Re: [datameet] Datamet PC/ District Map : Confirmation needed about various Enclaves across States of India

[Sharad Lele]

Dear Dilip,

Am new to datameet, so please excuse any repetition of past info:
1. Yes, enclave villages exist even on the Karnataka-Maharashtra border and 
K-AP border.
2. Are you trying to put out map layers at the sub-district level? What 
level? In what format? Presumably posting on datameet?

reason I ask 2 is because I may have access to village boundary layers for 
a few states, and would like to find out if there is interest in those 
being posted in the public domain.


On Monday, July 21, 2014 7:03:52 PM UTC+5:30, Dilip Damle wrote:
>
> Hi, 
>
> Yes, 
>
> I have seen and used the maps from the District handbook of census on a 
> few occasions for my clients,
> However the situation about availability of these publicly is so bad that 
> these pages even get torn out from Librariers.
>
> On Monday, July 21, 2014 9:21:38 AM UTC+5:30, Devdatta Tengshe wrote:
>>
>> Hi Dilip,
>>
>> They are definitely present on SOI topo sheet, but usually they don't 
>> have any specific names. Just the Border is given. 
>>
>> They are also available in the census Books. After every Census, they 
>> bring out these books-one for each state- with all the census data, 
>> including village codes etc, and maps. 
>>
>> Regards,
>>
>> Devdatta
>>
>>
>> On Jul 20, 2014 1:37 PM, "Dilip Damle"  wrote:
>>
>>> Devadatta, 
>>>
>>> Thanks 
>>>
>>>
>>> "they exist on the ground" 
>>>
>>> That is what I wanted to confirm. 
>>>
>>> Whenever there is time I would like those to be identified and named so 
>>> that there is more clarity.
>>> I had done some search on Bangladesh and Assam etc. and those were 
>>> obvious I think only doubtful was this UP-MP and may be one or more.
>>>
>>> Unfortunately I have not seen/ noticed them in any other maps. May be 
>>> SOI Topsheets may have them.
>>>
>>> Thanks for the reply once again.
>>>
>>>
>>> On Sunday, July 20, 2014 1:28:10 PM UTC+5:30, Devdatta Tengshe wrote:

 Hi Dilip, 

 Boundaries are rarely clean straight lines. The official boundaries as 
 of today have their origins in different eras.  Right from the boundaries 
 of historic princely States, to the partition, to linguistic 
 reorganization 
 of states, all of them have contributed to the boundaries that you see 
 today. 

 There are many enclaves and disputed territories at village, tehisil 
 and district levels all across India. Some can be seen in the mp-up 
 border, 
 some in hp, others in rajasthan, as well in the northeast. 

 Whether you keep them or remove them from the data is up to you,  but 
 you as well as others who use this data,  should be aware that they exist 
 on the ground. 

 Regards
 Devdatta 
 On Jul 20, 2014 10:42 AM, "Dilip Damle"  wrote:

>
> Hello, 
>
> I am in the process of making various maps in commonly used formats.
> Datameet PC maps and the district maps are the basis. 
>
> However on detail study I found that there are some enclaves (area 
> completely surrounded by other area) in these maps.
> Most of them are known like Wesr Bengal, Pondicherry however I have 
> doubts in a few like the images below where there are small areas in MP 
> belonging to UP.
>
> Can someone confirm or give more details about these.
>
> I have also enclosed the Parliamentary Constituency  map details of 
> all the PCs that have a negative Loop with its details in excel file.
>
>
> Rgds
>
> Dilip Damle
>
>
>
>  -- 
> Datameet is a community of Data Science enthusiasts in India. Know 
> more about us by visiting http://datameet.org
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>
  -- 
>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>> about us by visiting http://datameet.org
>>> --- 
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>>  

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Re: [datameet] Datamet PC/ District Map : Confirmation needed about various Enclaves across States of India

[Sharad Lele]

Am going away for 10 days, will work on this when I get back.

How /where will such maps be posted in the public domain?

As I said, I am quite new to how datameet works, hence the question.

Sharad

On Tuesday, July 22, 2014 10:22:21 AM UTC+5:30, Devdatta Tengshe wrote:
>
> Hi Sharad,
>
> Any village maps that you can release in the public domain would be 
> welcome.
>
> Regards
> Devdatta
> On Jul 22, 2014 10:03 AM, "Sharad Lele" > 
> wrote:
>
>> Dear Dilip,
>>
>> Am new to datameet, so please excuse any repetition of past info:
>> 1. Yes, enclave villages exist even on the Karnataka-Maharashtra border 
>> and K-AP border.
>> 2. Are you trying to put out map layers at the sub-district level? What 
>> level? In what format? Presumably posting on datameet?
>>
>> reason I ask 2 is because I may have access to village boundary layers 
>> for a few states, and would like to find out if there is interest in those 
>> being posted in the public domain.
>>
>>
>> On Monday, July 21, 2014 7:03:52 PM UTC+5:30, Dilip Damle wrote:
>>>
>>> Hi, 
>>>
>>> Yes, 
>>>
>>> I have seen and used the maps from the District handbook of census on a 
>>> few occasions for my clients,
>>> However the situation about availability of these publicly is so bad 
>>> that these pages even get torn out from Librariers.
>>>
>>> On Monday, July 21, 2014 9:21:38 AM UTC+5:30, Devdatta Tengshe wrote:
>>>>
>>>> Hi Dilip,
>>>>
>>>> They are definitely present on SOI topo sheet, but usually they don't 
>>>> have any specific names. Just the Border is given. 
>>>>
>>>> They are also available in the census Books. After every Census, they 
>>>> bring out these books-one for each state- with all the census data, 
>>>> including village codes etc, and maps. 
>>>>
>>>> Regards,
>>>>
>>>> Devdatta
>>>>
>>>>
>>>> On Jul 20, 2014 1:37 PM, "Dilip Damle"  wrote:
>>>>
>>>>> Devadatta, 
>>>>>
>>>>> Thanks 
>>>>>
>>>>>
>>>>> "they exist on the ground" 
>>>>>
>>>>> That is what I wanted to confirm. 
>>>>>
>>>>> Whenever there is time I would like those to be identified and named 
>>>>> so that there is more clarity.
>>>>> I had done some search on Bangladesh and Assam etc. and those were 
>>>>> obvious I think only doubtful was this UP-MP and may be one or more.
>>>>>
>>>>> Unfortunately I have not seen/ noticed them in any other maps. May be 
>>>>> SOI Topsheets may have them.
>>>>>
>>>>> Thanks for the reply once again.
>>>>>
>>>>>
>>>>> On Sunday, July 20, 2014 1:28:10 PM UTC+5:30, Devdatta Tengshe wrote:
>>>>>>
>>>>>> Hi Dilip, 
>>>>>>
>>>>>> Boundaries are rarely clean straight lines. The official boundaries 
>>>>>> as of today have their origins in different eras.  Right from the 
>>>>>> boundaries of historic princely States, to the partition, to linguistic 
>>>>>> reorganization of states, all of them have contributed to the boundaries 
>>>>>> that you see today. 
>>>>>>
>>>>>> There are many enclaves and disputed territories at village, tehisil 
>>>>>> and district levels all across India. Some can be seen in the mp-up 
>>>>>> border, 
>>>>>> some in hp, others in rajasthan, as well in the northeast. 
>>>>>>
>>>>>> Whether you keep them or remove them from the data is up to you,  but 
>>>>>> you as well as others who use this data,  should be aware that they 
>>>>>> exist 
>>>>>> on the ground. 
>>>>>>
>>>>>> Regards
>>>>>> Devdatta 
>>>>>> On Jul 20, 2014 10:42 AM, "Dilip Damle"  wrote:
>>>>>>
>>>>>>>
>>>>>>> Hello, 
>>>>>>>
>>>>>>> I am in the process of making various maps in commonly used formats.
>>>>>>> Datameet PC maps and the district maps are the basis. 
>>>>>>>
>>>>>>> However on detail study I found that there are some e

Re: [datameet] Bangalore Constituency / Ward map

[Sharad Lele]

I thought I would post here rather than open a new thread, even if this 
thread is old.

I am looking for ward boundaries of Bangalore Municipal Corporation PRIOR 
to the creation of BBMP. Because I am trying to link Census 2001 and Census 
1991 data to ward boundaries to estimate population densities and how they 
changed over time. 

So does anyone know where I can get a reasonable quality map (even pdf/jpg) 
of BMP ward boundaries of 2001?

Sharad

On Tuesday, January 14, 2014 12:41:14 PM UTC+5:30, Gautam John wrote:
>
> Thejesh has the ward maps here: http://openbangalore.org/available-data/ 
>
>
>

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[datameet] Re: Shapefiles for "complete" India

[Sharad Lele]

Dear Dilip and others:

I have been following this thread with interest, but to be honest am a bit 
lost now. Can someone post a summary of which maps mentioned so far have 
what features (which coverage, pertaining to which year, what attributes 
(such as census codes), etc.)? Would be most helpful.

Sharad


On Friday, August 1, 2014 9:03:58 PM UTC+5:30, Dilip Damle wrote:
>
> Hello, 
>
> This is an old post. 
> However this is the appropriate place to add an additional source. 
>
> I had downloaded the set from Grid Geneva many years ago.
> The original complete source was named as GNV197 which is 24 MB
> Titled as "HUMAN POPULATION AND ADMINISTRATIVE BOUNDARIES DATABASE FOR 
> ASIA"
> I am attaching the South Central Asia E00 file.
>
> That set contains The disputed areas under the country name IN1 and IN2
>
> This dataset can not be easily found at present on the GRID Geneva site 
> http://www.grid.unep.ch/index.php?lang=en in the same name.
> may be it is still there somewhere with some other name.
>
> For copyright check the metadata file which is here
>
> http://geonetwork.grid.unep.ch/geonetwork/srv/en/iso19139.xml?id=835
>
> rgds
> Dilip Damle
>
> On Wednesday, January 4, 2012 9:52:57 AM UTC+5:30, Karthik Shashidhar 
> wrote:
>>
>> All the shapefiles for India that I have downloaded do not show PoK and 
>> Aksai Chin as part of India. Does anyone here have access to shapefiles 
>> that include these territories? Basically looking to publish (online) some 
>> maps, so want to make sure that it's accurate. 
>>
>> (I looked through the group archives, and all sources mentioned there do 
>> not show these regions as part of India)
>>
>> Thanks
>> Karthik
>>
>

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Re: [datameet] Census 2001 Tahsils Shapefile (5,461 records)

[Sharad Lele]

How does this compare with the maps from the GADM database?

My notes say GADM database maps (India state, district and taluka) show 
district boundaries of 2001 or earlier, with spatial positioning error of 
about 1km, and much more generalized than the boundaries shown on Survey of 
India toposheets. (goes without saying since the topos are at much finer 
scale than such maps)

Sharad

On Wednesday, August 6, 2014 10:49:42 AM UTC+5:30, Dilip Damle wrote:
>
> Justin, Devdatta, 
>
> It's all about how things work in India, 
>
> Devdatta mentioned SWEat,blood and teARS 
>
> It also includes the capitalised word :)
>
> Good to persevere though.
> Congratulatioins.
>
> Rgds
> Dilip Damle
>
>
>
>
> On Wednesday, August 6, 2014 9:59:13 AM UTC+5:30, Justin Meyers wrote:
>>
>>
>> 
>> see the Bihar data compared to this:Red=Bihar Black=this dataset
>>
>>
>>
>> On Wednesday, August 6, 2014 12:21:27 AM UTC-4, Justin Meyers wrote:
>>>
>>> Devdatta,
>>> This is raw data that I converted from kml to shp.  So it took me about 
>>> 30 minutes to make sure the attributes came through properly.  Cannot say 
>>> my source until I download the rest of the content from the site, before 
>>> they take it down.  It seems like they put data on the internet, then try 
>>> to take it down (or hide it...).  Not really sure why?  I posted the Orissa 
>>> sample for you some time ago, but you never responded?  I found official 
>>> data for Orissa as well, so converting the census pdfs to gis is a big 
>>> waste of time (took me a few days...).
>>>
>>> As per the quality of this dataset, it is the best I have seen on a 
>>> national level.  But if you look state by state, or really want quality 
>>> data, then this isn't what you want.  I would call this dataset a rough 
>>> start.
>>>
>>> I posted a update about Bihar (
>>> https://groups.google.com/forum/#!topic/datameet/QuP4Tt4n0_g) and that 
>>> data is amazing, this data doesn't hold a candle to it.  Too bad the 
>>> government doesn't want help from the experts ;)
>>>
>>> Cheers,
>>> Justin
>>>
>>>
>>>
>>> On Wednesday, August 6, 2014 12:02:57 AM UTC-4, Devdatta Tengshe wrote:

 Hi Justin,

 Firstly let me congratulate you on doing this. I'm sure that this must 
 have involved a lot of sweat, blood and tears (Working with government 
 data, usually involves the last one). This is the most up-to-date, 
 comprehensive & complete dataset for sub districts that I have seen.

 Could you tell us what was the source for creating these boundaries?

 I'll cross check it with other datasets, and let you know how it goes.

 Regards,
 Devdatta



 On Wed, Aug 6, 2014 at 8:06 AM, Justin Meyers  
 wrote:

>
> 
>
> https://app.box.com/s/vljeiolbqhx2hwyz8qxs
>
> Processed from a kml; did not edit any geometry or attributes.  Data 
> is pretty generalized, but it is a good start for a national dataset.  I 
> keep finding better data as I continue to look (already posted two 
> previous 
> versions of a taluk/ tahsil/ amin 3 boundary).  After concerns to missing 
> data, this is the best to date I have found.
>
> Cheers!
> Justin
>
> -- 
> Datameet is a community of Data Science enthusiasts in India. Know 
> more about us by visiting http://datameet.org
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Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele]

I have downloaded and checked the GADM boundaries (my version is 2011). The 
taluka boundary layer probably holds good today, becuase few talukas get 
split. Districts get split regularly (every so many years) so the district 
boundary layer in this GADM set is quite of date (may apply to 2001 or so). 
The spatial registration (positional accuracy is ~1km, and the spatial 
detail is of course not as good as the boundaries given in a Survey of 
India 50k topo, but then that is an unfair standard, so by a more 
generalized standard, the quality is okay.

Sharad

On Monday, August 4, 2014 7:20:38 PM UTC+5:30, Dilip Damle wrote:
>
> Mr Thakkar, 
>
> Please also look at another post (more than one) on this group  about 
> Taluk Shapefiles by Justin Meyers
>
> So far as I know GADM is the source that has Taluk files.
> I am not sure about its completeness and accuracy as on today
>
> http://www.gadm.org/
>
> On Monday, August 4, 2014 6:23:07 PM UTC+5:30, D Thakker wrote:
>>
>> thanks Dilip for your hardwork.
>> I have been on a lookout for all taluka / tehsil shape file, so how do I 
>> be in a loop as I am very keen to see the repository mail / list.
>>
>>
>> On Monday, August 4, 2014 9:50:26 AM UTC+5:30, Dilip Damle wrote:
>>
>>> Sharad, 
>>>
>>> I am working on some things will revert in about a week or may be more.
>>>
>>> Thejesh,
>>>
>>> Go ahead, 
>>>
>>> Actually there was one more source a Low Resolution (vertices) District 
>>> map by VDS technologies. 
>>> I have it as Polylines in Autocad. I seem to have lost the original 
>>> file. 
>>> If anyone has then please share it. (it does not seem to be on their 
>>> site now)
>>>
>>> On Sunday, August 3, 2014 11:32:43 PM UTC+5:30, Thejesh GN wrote:
>>>>
>>>> Actually its not a bad idea to list it on the wiki. Let me know i will 
>>>> create an account. 
>>>>
>>>> --
>>>> Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ.ಎನ್
>>>> http://thejeshgn.com
>>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>> On Aug 3, 2014 10:15 PM, "Sharad Lele"  wrote:
>>>>
>>>>> Dear Dilip and others:
>>>>>
>>>>> I have been following this thread with interest, but to be honest am a 
>>>>> bit lost now. Can someone post a summary of which maps mentioned so far 
>>>>> have what features (which coverage, pertaining to which year, what 
>>>>> attributes (such as census codes), etc.)? Would be most helpful.
>>>>>
>>>>> Sharad
>>>>>
>>>>>
>>>>> On Friday, August 1, 2014 9:03:58 PM UTC+5:30, Dilip Damle wrote:
>>>>>>
>>>>>> Hello, 
>>>>>>
>>>>>> This is an old post. 
>>>>>> However this is the appropriate place to add an additional source. 
>>>>>>
>>>>>> I had downloaded the set from Grid Geneva many years ago.
>>>>>> The original complete source was named as GNV197 which is 24 MB
>>>>>> Titled as "HUMAN POPULATION AND ADMINISTRATIVE BOUNDARIES DATABASE 
>>>>>> FOR ASIA"
>>>>>> I am attaching the South Central Asia E00 file.
>>>>>>
>>>>>> That set contains The disputed areas under the country name IN1 and 
>>>>>> IN2
>>>>>>
>>>>>> This dataset can not be easily found at present on the GRID Geneva 
>>>>>> site http://www.grid.unep.ch/index.php?lang=en in the same name.
>>>>>> may be it is still there somewhere with some other name.
>>>>>>
>>>>>> For copyright check the metadata file which is here
>>>>>>
>>>>>> http://geonetwork.grid.unep.ch/geonetwork/srv/en/iso19139.xml?id=835
>>>>>>
>>>>>> rgds
>>>>>> Dilip Damle
>>>>>>
>>>>>> On Wednesday, January 4, 2012 9:52:57 AM UTC+5:30, Karthik Shashidhar 
>>>>>> wrote:
>>>>>>>
>>>>>>> All the shapefiles for India that I have downloaded do not show PoK 
>>>>>>> and Aksai Chin as part of India. Does anyone here have access to 
>>>>>>> shapefiles 
>>>>>>> that include these territories? Basically looking to publish (online) 
>>>>>>> some 
>>>>>>> maps, so want to make sure that it's accurate. 
>>>>>>>
>>>>>>> (I looked through the group archives, and all sources mentioned 
>>>>>>> there do not show these regions as part of India)
>>>>>>>
>>>>>>> Thanks
>>>>>>> Karthik
>>>>>>>
>>>>>>  -- 
>>>>> Datameet is a community of Data Science enthusiasts in India. Know 
>>>>> more about us by visiting http://datameet.org
>>>>> --- 
>>>>> You received this message because you are subscribed to the Google 
>>>>> Groups "datameet" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>>> an email to datameet+u...@googlegroups.com.
>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>>
>>>>

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Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele]

If I am right, then Justin may want to rename his layer as CDBlocks_2001...

Sharad

On Thursday, August 7, 2014 4:28:17 PM UTC+5:30, Sharad Lele wrote:
>
>  I think I have the explanation for why I am seeing a good match and you 
> are not:
>
> The problem lies in defining what is the 'sub-district' unit (in 
> IND_adm3). Administratively speaking, it is tehsil, below which lies CD 
> block. Unfortunately, census gives information by CD block. So there are 
> more 'sub-district' units in Census than tehsils in the country. GDAM seems 
> to have followed the tehsil concept.
>
> To check: Karnataka is one state in which tehsil and CD block are one and 
> the same. That is why the sub-district layer IND_adm3 matches perfectly for 
> Karnataka, but not for other states. There might be some other states where 
> this holds good, I don't know.
>
> Anyway, so if one really wants CD block level boundaries, we have to look 
> at Justin, I guess.
>
> But the GDAM boundaries are not 'wrong'.
>
> Sharad
>
> On 07-Aug-14 9:48 AM, Devdatta Tengshe wrote:
>  
>  In Continuation of my previous email, here is a CSV file which shows 
> just how bad the GDAM dataset is.
>
>  Regards,
>  Devdatta
>  
>
>  On Thu, Aug 7, 2014 at 9:06 AM, Devdatta Tengshe  
> wrote:
>
>> Hi Sharad,
>>
>> I just download the GDAM data again, to confirm what you have said.
>>
>> I'm going to have to disagree with you about the quality of the IND_adm3 
>> data.
>>
>>
>> Acoording to the 2001 Census, there are 5454 Sub Districts in India 
>> <http://www.socialjustice.nic.in/pdf/tab11.pdf>. The GDAM dataset has 
>> just 2299 features.
>>
>> So clearly these taluk features do not correspond to the 2001 Census. I 
>> cross checked for some areas I have ground knowledge of, and I can say that 
>> this dataset is not from any specific era. Some tehsils in the file were 
>> created post 2001, while others created in the 90's were not present.
>>
>> In my opinion the GDAM data is pretty much unusable.
>>
>>
>> Regards,
>> Devdatta
>>   
>>
>> On Wed, Aug 6, 2014 at 11:36 PM, Sharad Lele  
>> wrote:
>>
>>> I have downloaded and checked the GADM boundaries (my version is 2011). 
>>> The taluka boundary layer probably holds good today, becuase few talukas 
>>> get split. Districts get split regularly (every so many years) so the 
>>> district boundary layer in this GADM set is quite of date (may apply to 
>>> 2001 or so). The spatial registration (positional accuracy is ~1km, and the 
>>> spatial detail is of course not as good as the boundaries given in a Survey 
>>> of India 50k topo, but then that is an unfair standard, so by a more 
>>> generalized standard, the quality is okay.
>>>
>>> Sharad 
>>>
>>>
>>> On Monday, August 4, 2014 7:20:38 PM UTC+5:30, Dilip Damle wrote: 
>>>>
>>>> Mr Thakkar, 
>>>>
>>>> Please also look at another post (more than one) on this group  about 
>>>> Taluk Shapefiles by Justin Meyers
>>>>
>>>> So far as I know GADM is the source that has Taluk files.
>>>> I am not sure about its completeness and accuracy as on today
>>>>
>>>> http://www.gadm.org/
>>>>
>>>> On Monday, August 4, 2014 6:23:07 PM UTC+5:30, D Thakker wrote: 
>>>>>
>>>>>  thanks Dilip for your hardwork.
>>>>> I have been on a lookout for all taluka / tehsil shape file, so how do 
>>>>> I be in a loop as I am very keen to see the repository mail / list.
>>>>>
>>>>>
>>>>> On Monday, August 4, 2014 9:50:26 AM UTC+5:30, Dilip Damle wrote:
>>>>>
>>>>>> Sharad, 
>>>>>>
>>>>>> I am working on some things will revert in about a week or may be 
>>>>>> more.
>>>>>>
>>>>>> Thejesh,
>>>>>>
>>>>>>  Go ahead, 
>>>>>>
>>>>>> Actually there was one more source a Low Resolution (vertices) 
>>>>>> District map by VDS technologies. 
>>>>>> I have it as Polylines in Autocad. I seem to have lost the original 
>>>>>> file. 
>>>>>> If anyone has then please share it. (it does not seem to be on their 
>>>>>> site now)
>>>>>>
>>>>>> On Sunday, August 3, 2014 11:32:43 PM UTC+5:30, Thejesh GN wrote: 
>&

Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele]

Dilip, only one kind of 'block', which is CD block (but often just referred 
to as 'block').

But to complicate life :-) there can be several other admin & governance 
levels in between. For instance, in Karnataka, 10-20 villages are grouped 
into a 'hobli' by the revenue department. (below taluka level). Similarly, 
several villages (usually less than those in a hobli) are grouped together 
into a Gram Panchayat. In Maharashtra, gram panchayat and revenue village 
are I think identical. (Just to remind ourselves: when we say 'village', we 
mean revenue village--which is what census uses. Not gram panchayat, nor 
hamlet of any kind).

Sharad

On Thursday, August 7, 2014 11:58:14 PM UTC+5:30, Dilip Damle wrote:
>
> So it seems to be 
>
> Country > State > Division > District > Tehsil / Taluk > Some Kind of 
>  Block > Village 
>
> Let us first get this ans confirm  if each is subset of the other or there 
> are overlaps and if there is any other item missing in between then let us 
> proceed  
>
>
>

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Re: [datameet] Census of India seems to have maps of everything!

[Sharad Lele]

Found this at :
https://*nsdi*india.gov.in/*nsdi*/*nsdi*portal/*nsdi*10/presentations/
*census*.pdf


No, I have not tried RTI. Hoping someone else will ;-)

Sharad

On Saturday, September 6, 2014 2:16:23 AM UTC+5:30, srinivas kodali wrote:
>
> Interesting, Any idea where was this presentation given? Have you tried 
> applying an RTI?
>
> Regards,
> Srinivas
>
>
> On Fri, Sep 5, 2014 at 10:44 PM, "Sharad Lele [शरच्चंद्र लेले]" <
> shara...@gmail.com > wrote:
>
>>  Dear All,
>>
>> I found this ppt on the web which gives in detail what kind of mapping 
>> work has been done by the Census of India. this includes all village 
>> boundaries and wards within villages and cities, and in select cities, 
>> even individual buildings!
>>
>> We must make efforts to get this dataset into the public domain, instead 
>> of reinventing the wheel. Does anyone have any more information on this?
>>
>> Sharad
>>
>>
>>
>>  I've linked 1 file to this email:
>>  Census of India Mapping activities_PPT to NSDI.pdf 
>> <https://www.box.com/shared/6rv0txyrliukknkm1j34>(10.3 MB)Box 
>> <https://www.box.com/thunderbird>
>> https://www.box.com/shared/6rv0txyrliukknkm1j34
>>  Mozilla Thunderbird <http://www.getthunderbird.com> makes it easy to 
>> share large files over email.
>>  
>> -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>
>

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[datameet] Re: village boundary layer for Karnataka

[Sharad Lele]

Hi Justin,

Thanks for pointing this out. I am sure there are a few other such errors 
in our layer--as mentioned in the readme, it was digitized from maps in 
census of india district handbooks, and those maps contain other confusing 
features such as roads, which may get mis-digitized. I don't have an 
immediate response beyond this. It will take me a while to get to the 
nittygritty. But others are welcome to point out more errors. The only 
tragedy here is that we are all reinventing a wheel invented at least 3 
times before: village boundaries have been digitized by state Remote 
Sensing Application Centres, by individual departments when they need them, 
and now (as mentioned in a separate post) by Census!

Sharad


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Re: [datameet] Re: 2011 subdistrict Maps

[Sharad Lele]

Are you looking for something like this? Sumit, is this what you have?

   STC 2001 DTC 2001 Sub-DT 2001 PLCN 2001 NAME OF STATE, DISTRICTS, 
SUB-DISTTS. & VILLAGES 2001 2011 MDDS STC 2011 MDDS DTC 2011 MDDS Sub_DT 2011 
MDDS PLCN 2011 MDDS NAME OF STATE, DISTRICT, SUB-DISTTS. & VILLAGES  29 00 
  KARNATAKA 29 000 0 00 KARNATAKA  29 01   
Belgaum 29 555 0 00 Belgaum  29 01 0001  Chikodi 29 555 
05433 00 Chikodi  29 01 0001 0100 Hadnal 29 555 05433 597114 Hadnal  
29 01 0001 0200 Sulagaon 29 555 05433 597115 Sulagaon  29 01 0001 
0300 Mattiwade 29 555 05433 597116 Mattiwade  29 01 0001 0400 
Bhatnaganur 29 555 05433 597117 Bhatnaganur  29 01 0001 0500 Kurli 29 
555 05433 597118 Kurli  29 01 0001 0600 Appachiwadi 29 555 05433 597119 
Appachiwadi 

On Saturday, September 13, 2014 9:39:30 PM UTC+5:30, Justin Meyers wrote:
>
> Is it from the ODS website? Could you send it?
> Thanks,
> Justin
> On Sep 13, 2014 1:47 AM, "Sumit Mishra" > 
> wrote:
>
>> I do have one. However, i would forewarn you to use this information with 
>> caution; there are too many coding errors.
>>
>> On Saturday, 13 September 2014 00:21:56 UTC+5:30, Justin Meyers wrote:
>>>
>>> Does anyone have a 2001 subdistrict code that relates to a 2011 
>>> subdistrict code table?
>>>
>>>
>>>
>>> Thanks!
>>> Justin
>>>
>>> On Thursday, September 11, 2014 11:42:07 PM UTC-4, Justin Meyers wrote:


 


 


 

 putting together couple hundred datasets for india looks like this... 
  based on 2001 data, but i found a translation table to 2011; pretty sure 
 it has a bunch of errors.  People who work in the agencies who publish any 
 data really do not respond to e-mails for some mysterious reason...  you 
 would think they would want help improving their data (maybe looking good 
 in front of their boss ;)  )  but nope!?  India is a tough cookie to 
 crack; 
 glad i found everyone on this forum - you have all been beyond kind 
 (especially when I have been somewhat rude).  



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[datameet] Re: Madhya Pradesh Village/ Town Name Question

[Sharad Lele]

My understanding is that "Mal" means "Malguzari" and "Ryt" means 
"Ryotwari". Different land revenue systems were in vogue during the British 
period, and these are two of them. 

Sharad

On Thursday, September 18, 2014 10:31:39 PM UTC+5:30, Justin Meyers wrote:
>
> In the census data for Madhya Pradesh, there are numerous locations with 
> Mal. or Ryt. in their name.  Does anyone know what this means?
>
> Rail Yard Town maybe?  I have no idea about Mal.
>
> Any help is greatly appreciated!
>
> Thanks,
> Justin
>

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Re: [datameet] India Locations Question

[Sharad Lele]

Regarding the discussion on what sub-district codes stand for (something 
that had also popped up in another thread (Sumit Mishra's dataset), here is 
what I have from Census as a explanation/index for sub-district codes.

Sharad

On Friday, September 5, 2014 5:06:50 PM UTC+5:30, rajesh wrote:
>
> Hi again,
>
> I could not find the translation for district and sub-district codes on 
> the same site.
>
> On vlist.in i can manually click on each district, subdistrict to get 
> code and then village codes.
> There seems to be several new village codes on http://vlist.in (t has 
> 18676 villages for Gujarat) which are not there in 
> https://egovstandards.gov.in/village_details 
> 
>  
> (18513 villages0
>
> Can we trust vlist.in ? To be the latest? Some have new codes like 80.
>
> Any ideas of automating the scraping of data?
>
> Thanks,
> Rajesh
>
> On Friday, June 13, 2014 11:53:32 AM UTC+5:30, rajesh wrote:
>>
>> Thanks.
>>
>> I downloaded Gujarat data and got 18,513 villages.
>> Any ideas of translating district codes to names and sub-district (taluk) 
>> to names?
>>
>> Has anyone seen this: http://www.citypopulation.de/php/india-gujarat.php 
>> ?
>> It has boundaries for all districts and GPS for all cities/towns. Some 
>> villages also can be found (appear as towns, i guess).
>>
>> Anyway of scraping LatLon from here?
>>
>> On Thursday, June 12, 2014 12:21:39 PM UTC+5:30, Dilip Damle wrote:
>>>
>>> Hello, 
>>>
>>> I think Lat Lon For every village is difficult 
>>> However this is where you can get all codes
>>>
>>> https://egovstandards.gov.in/village_details
>>>
>>> This is where higher divisions are listed 
>>>
>>> https://egovstandards.gov.in/code-dirctory-land-region-codification
>>>
>>> They are as per a standard named MDDS
>>>
>>> Rgds
>>> Dilip Damle 
>>> (New Delhi)
>>>
>>> On Thursday, June 12, 2014 12:43:19 AM UTC+5:30, Justin Meyers wrote:

 Shafeeq,
 Thank you for the information and help.  I am beginning to find 
 government sources of villages with gps coordinates (latitude and 
 longitude), but the amounts aren't on a national level (there should be 
 roughly 600,000 villages total in India as per the 2011 census and a few 
 other official data sources).  Do you know where I can find a gis dataset 
 or a government website that has a list of all the villages, village 
 codes, 
 and their latitude/ longitude?

 Thanks,
 Justin

 On Tuesday, June 10, 2014 11:45:35 PM UTC-5, Shafeeq Rahman wrote:
>
> Dear Justin Meyers
>
> Standard classification of India is based on census which is:
>
> For Rural Area: Village/Sub District (also called Tehsil, Talluka and 
> Mandal etc)/District/State/India
> For Urban Areas: Ward/Town/Sub District (also called Tehsil, Talluka 
> and Mandal etc)/District/State/India
>
> For village-wise maps, you may check 
> http://gisserver.nic.in/cen/default.asp
>
> Regards,
>
> Shafeeq  
>
> On Wednesday, 11 June 2014 08:09:32 UTC+5:30, Justin Meyers wrote:
>>
>> Thanks.  i have found a list of what I believe is all villages here:
>> http://censusindia.gov.in/2011census/Listofvillagesandtowns.aspx 
>>  and have downloaded them in csv format.  Where can i find latitudes and 
>> longitudes for the villages?  Also, where may i find gis data for taluk 
>> boundaries?  
>> Cheers!
>>
>> On Tuesday, June 10, 2014 10:15:31 PM UTC-4, Thejesh GN wrote:
>>>
>>> I generally use 
>>>
>>> Village - taluk - district - state.
>>>
>>> I have seen many using the same in government documents and in sales 
>>> papers. 
>>>
>>> --
>>> Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ.ಎನ್
>>> http://thejeshgn.com
>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>> On Jun 11, 2014 3:14 AM, "Justin Meyers"  
>>> wrote:
>>>
 hello,
 I am finding conflicting information when it comes to 
 administrative divisions within India.  It seems different parts of 
 the 
 nation have different boundaries. I have found this wiki: 
 http://en.wikipedia.org/wiki/Administrative_divisions_of_India 
 That lists them as:
 1)zone (**Not sure if people refer to these)
 2)states and union territories
 3)regions (**Not sure if people refer to these)
 4)divisions
 5)districts
 6)subdistricts
 7)blocks, hobils, villages, etc
 8)potentially neighborhoods


 So my question is this, if you are from India, how do you refer to 
 location? Do you say "I am from this village, this sub-district,this 
 district,and this state/ union territories"?

 or is it more common for people to refer to sub-district, district, 
 and sta

Re: [datameet] India Locations Question

[Sharad Lele]

A followup query to the group: I saw in this thread references to village 
boundary shapefiles on Bhuvan website. Did anyone actually manage to 
download those? Nisha had mentioned that ISRO policies prevent full data 
sharing. So what dataset HAVE people been able to download regarding 
village boundaries in particular?

Sharad

On Monday, September 29, 2014 5:36:31 PM UTC+5:30, Sharad Lele wrote:
>
> Regarding the discussion on what sub-district codes stand for (something 
> that had also popped up in another thread (Sumit Mishra's dataset), here is 
> what I have from Census as a explanation/index for sub-district codes.
>
> Sharad
>
> On Friday, September 5, 2014 5:06:50 PM UTC+5:30, rajesh wrote:
>>
>> Hi again,
>>
>> I could not find the translation for district and sub-district codes on 
>> the same site.
>>
>> On vlist.in i can manually click on each district, subdistrict to get 
>> code and then village codes.
>> There seems to be several new village codes on http://vlist.in (t has 
>> 18676 villages for Gujarat) which are not there in 
>> https://egovstandards.gov.in/village_details 
>> <https://www.google.com/url?q=https%3A%2F%2Fegovstandards.gov.in%2Fvillage_details&sa=D&sntz=1&usg=AFQjCNFegN93FLw5hlRk2gYoD_XhYhMDgw>
>>  
>> (18513 villages0
>>
>> Can we trust vlist.in ? To be the latest? Some have new codes like 
>> 80.
>>
>> Any ideas of automating the scraping of data?
>>
>> Thanks,
>> Rajesh
>>
>> On Friday, June 13, 2014 11:53:32 AM UTC+5:30, rajesh wrote:
>>>
>>> Thanks.
>>>
>>> I downloaded Gujarat data and got 18,513 villages.
>>> Any ideas of translating district codes to names and sub-district 
>>> (taluk) to names?
>>>
>>> Has anyone seen this: http://www.citypopulation.de/php/india-gujarat.php 
>>> ?
>>> It has boundaries for all districts and GPS for all cities/towns. Some 
>>> villages also can be found (appear as towns, i guess).
>>>
>>> Anyway of scraping LatLon from here?
>>>
>>> On Thursday, June 12, 2014 12:21:39 PM UTC+5:30, Dilip Damle wrote:
>>>>
>>>> Hello, 
>>>>
>>>> I think Lat Lon For every village is difficult 
>>>> However this is where you can get all codes
>>>>
>>>> https://egovstandards.gov.in/village_details
>>>>
>>>> This is where higher divisions are listed 
>>>>
>>>> https://egovstandards.gov.in/code-dirctory-land-region-codification
>>>>
>>>> They are as per a standard named MDDS
>>>>
>>>> Rgds
>>>> Dilip Damle 
>>>> (New Delhi)
>>>>
>>>> On Thursday, June 12, 2014 12:43:19 AM UTC+5:30, Justin Meyers wrote:
>>>>>
>>>>> Shafeeq,
>>>>> Thank you for the information and help.  I am beginning to find 
>>>>> government sources of villages with gps coordinates (latitude and 
>>>>> longitude), but the amounts aren't on a national level (there should be 
>>>>> roughly 600,000 villages total in India as per the 2011 census and a few 
>>>>> other official data sources).  Do you know where I can find a gis dataset 
>>>>> or a government website that has a list of all the villages, village 
>>>>> codes, 
>>>>> and their latitude/ longitude?
>>>>>
>>>>> Thanks,
>>>>> Justin
>>>>>
>>>>> On Tuesday, June 10, 2014 11:45:35 PM UTC-5, Shafeeq Rahman wrote:
>>>>>>
>>>>>> Dear Justin Meyers
>>>>>>
>>>>>> Standard classification of India is based on census which is:
>>>>>>
>>>>>> For Rural Area: Village/Sub District (also called Tehsil, Talluka and 
>>>>>> Mandal etc)/District/State/India
>>>>>> For Urban Areas: Ward/Town/Sub District (also called Tehsil, Talluka 
>>>>>> and Mandal etc)/District/State/India
>>>>>>
>>>>>> For village-wise maps, you may check 
>>>>>> http://gisserver.nic.in/cen/default.asp
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Shafeeq  
>>>>>>
>>>>>> On Wednesday, 11 June 2014 08:09:32 UTC+5:30, Justin Meyers wrote:
>>>>>>>
>>>>>>> Thanks.  i have found a list of what I believe is all villages here:
>>>>>>> htt

Re: [datameet] Re: Data on Houses, Household Amenities & Assets - 2001

[Sharad Lele]

Nisha,

I checked the openbangalore page, but don't see any data w.r.t. household 
assets etc at ward level. Could you or Thejesh point us to the exact 
dataset?

Thanks
Sharad

On Wednesday, October 8, 2014 5:18:49 PM UTC+5:30, Nisha Thompson wrote:
>
> Hey Jyothi,
>
> I think Thej has some of this data at OPen Bangalore
>
> http://openbangalore.org/available-data/
>
> Nisha
>
> On Wed, Oct 8, 2014 at 2:20 PM, Sumit Mishra  > wrote:
>
>> Jyothi,
>>
>> The ward-level dataset that you are looking for wasn't released by the 
>> ORGI for the Census, 2001. You may try contacting one of their data centers 
>> (located at Gokhale Institute of Politics and Economics, Pune & JNU, New 
>> Delhi) for more dis-aggregated data though.
>>
>> Regards,
>> Sumit 
>>
>>
>> On Tuesday, 7 October 2014 18:31:40 UTC+5:30, chava jyothi wrote:
>>>
>>> Hi...
>>>
>>> Does anybody has data on Houses, Household Amenities & Assets - 2001 
>>> at ward level for Bangalore. 
>>>
>>> I'm  trying to compare the change in vehicle ownership between 2001 and 
>>> 2011. I have the assets data for 2011 at ward level and looking for 2001.
>>>
>>> Thanks
>>>
>>>
>>> With Regards
>>> Jyothi Chava
>>> Doctoral student
>>> CUSP, Curtin University
>>> WA
>>>  
>>  -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>> email to datameet+u...@googlegroups.com .
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>>
>
>
>
> -- 
> Nisha Thompson
> DataMeet.org
> ni...@datameet.org 
> skype: nishaqt
> mobile: 962-061-2245
>  

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Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele]

Khaliq,

I guess after Justin's recent email, he should be in the best position to 
give you the block boundary shapefiles for Bihar.

Sharad

On Friday, October 10, 2014 7:20:04 AM UTC+5:30, Khaliq Parkar wrote:
>
> Hi Eric, 
>
> I am working in Bihar within Madhubani district. 
> Could you link me to the block level shapefiles? Do you know anyone who 
> has worked at village\panchayat level divisions? 
>
> Thanks! 
> Khaliq 
>
> On Thursday, 7 August 2014 20:15:45 UTC+5:30, Eric Dodge  wrote: 
> > This is very interesting Sharad. 
> > 
> > 
> > I've been looking for maps of what I've been calling administrative 
> blocks, that is, the units overseen by block development officers. MGNREGA 
> data is aggregated at this level and I've been hoping to use the data to do 
> some mapping exercises. 
> > 
> > 
> > 
> > 
> > 
> > The census sub-districts are called differently across states (tahsil, 
> taluk, mandal, etc). You can see the list here: 
> > 
> > 
> > 
> http://censusindia.gov.in/Tables_Published/Admin_Units/Admin_links/subdistrict_nomeclature.html
>  
> > 
> > 
> > 
> > 
> > 
> > I know that in all the states where census sub-districts are called 
> taluk, mandal, or CD block (with the exception of TN), the census 
> sub-district is identical to the administrative block.  
> > 
> > 
> > 
> > 
> > I've already completed a mapping exercise for Bihar using the census 
> sub-district map and the data matched up pretty well. If the IND_adm3 data 
> is indeed the administrative blocks then I could do a similar exercise with 
> Madhya Pradesh. I'll take a look to see if the data lines up correctly. 
> > 
> > 
> > 
> > 
> > Has anybody dug into this issue any deeper? I've heard that tehsil comes 
> from the revenue side whereas taluk, mandal, etc comes from the 
> administrative side but that doesn't explain why the census uses different 
> sub-district units across states. 
> > 
> > 
> > 
> > 
> > Best, 
> > Eric 
> > 
> > 
> > 
> > 
> > On Thu, Aug 7, 2014 at 7:39 AM, Sharad Lele  wrote: 
> > 
> > 
> > 
> > 
> > If I am right, then Justin may want to rename his layer as 
> CDBlocks_2001... 
> > 
> > 
> > 
> > 
> > Sharad 
> > 
> > 
> > 
> > On Thursday, August 7, 2014 4:28:17 PM UTC+5:30, Sharad Lele wrote: 
> > 
> > 
> > 
> >   
> > 
> >   
> >   
> > 
> > I think I have the explanation for why I am seeing a good match and 
> > you are not: 
> > 
> > 
> > 
> > The problem lies in defining what is the 'sub-district' unit (in 
> > IND_adm3). Administratively speaking, it is tehsil, below which lies 
> > CD block. Unfortunately, census gives information by CD block. So 
> > there are more 'sub-district' units in Census than tehsils in the 
> > country. GDAM seems to have followed the tehsil concept. 
> > 
> > 
> > 
> > To check: Karnataka is one state in which tehsil and CD block are 
> > one and the same. That is why the sub-district layer IND_adm3 
> > matches perfectly for Karnataka, but not for other states. There 
> > might be some other states where this holds good, I don't know. 
> > 
> > 
> > 
> > Anyway, so if one really wants CD block level boundaries, we have to 
> > look at Justin, I guess. 
> > 
> > 
> > 
> > But the GDAM boundaries are not 'wrong'. 
> > 
> > 
> > 
> > Sharad 
> > 
> > 
> > 
> > 
> > On 07-Aug-14 9:48 AM, Devdatta Tengshe 
> >   wrote: 
> > 
> > 
> > 
> >   
> > 
> > 
> > 
> >   
> > In Continuation of my previous email, here is a CSV file 
> > which shows just how bad the GDAM dataset is. 
> > 
> > 
> > 
> >   
> >   Regards, 
> > 
> > 
> > Devdatta 
> > 
> >   
> >   
> > 
> > 
> > 
> > 
> > 
> > 
> >   On Thu, Aug 7, 2014 at 9:06 AM, Devdatta Tengshe <
> devd...@tengshe.in> 
> >   wrote: 
> > 
> >   
> > 
> > Hi Sharad, 
> > 
> >   
> > 
> >   I just download 

[datameet] Re: India 2001 (and 2011) census Village Directory data

[Sharad Lele]

 
 

Please follow this link to get the files (both in Stata format named - 
rdir/udir).
https://www.dropbox.com/sh/t7d3sy9sage8hoz/AABogZUrrWj-6uyFFy2T8mcna?dl=0
Use this dataset with caution. I had only worked on a subset of this- 
Maharashtra- and found some coding errors.
Let me know if you have any other question.

Thanks,
Sumit
- show quoted text -


On Tuesday, November 11, 2014 12:52:10 AM UTC+5:30, Esha wrote:
>
> Hi all,
>
> This was asked a while ago, but am facing a similar question with an added 
> request about 2011 data. Does anyone have access to Village Directory data 
> from 2001 and 2011 Census in spreadsheet or a similar format? If not at the 
> village, district-level data can work too. 
>
> Thanks very much,
> Esha
>
>

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[datameet] Re: India 2001 census data village-wise

[Sharad Lele]

I remembered that Justin had made available an all India taluka/CD block 
shapefile. 

Sharad

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[datameet] Re: Regarding Village Level location cordinates

[Sharad Lele]

Hi Mohit:

Thought I will mention that 2011 village amenities tables have now be 
posted by Census of India: 
http://www.censusindia.gov.in/2011census/dchb/DCHB.html

While the village boundary maps are still not included in the pdf, the 
village list and the new sub-district names for all villages are listed in 
the Village Amenities (DCHB_VillageRelease) files. 

Might be of use in updating.

Sharad

On Sunday, September 13, 2015 at 12:15:32 PM UTC+5:30, Mohit Daga wrote:
>
> Hi shantanu,
>
> Sub-districts(taluka or tehsils) are not added because a large number of 
> tehsils have been created in after 2001 census. Note that 2011 census 
> (census) data is not available from the Census Department.
>
>
>

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[datameet] Re: Census of India seems to have maps of everything!

[Sharad Lele]

I have had no luck so far. Census Delhi office flatly denied the existence 
of any such maps, when we tried to follow up with them!

On Saturday, 3 October 2015 11:07:12 UTC+5:30, Sudheendra Hangal wrote:
>
> I would also like ward boundaries, esp. within Karnataka. 
> Any ideas ? 
>

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Re: [datameet] Census Ward Boundaries for Metro Cities

[Sharad Lele]

Mahroof:

We followed up on this pricelist. Turns out it is bogus: they are refusing 
to give any map using that pricelist, saying that maps don't exist, that 
list is out of date, etc etc.

But I like Nisha's basic idea: we get hold of the pdfs as and when we can, 
and digitize and put them in the public domain.

We have done it for Bangalore. Maybe same location can be used to archive 
for other towns as well. I can provide files for Nelamangala and 
Ramanagara. Slow process (if you think of the number of towns in India :-)) 
but what else to do?

Sharad

On Tuesday, December 15, 2015 at 5:59:54 PM UTC+5:30, Ma-roof wrote:
>
> Hi,
>
> They maintained that the prices are as quoted listed in their website
>
> http://www.censusindia.gov.in/Maps/Map_Products/Rate_link/rate_list_for_maps.html
>
> Kind regards
> Mahroof
> 
> Knowledge, that is *discovered*, lasts a lifetime..
>
> Research Associate, PAS Project
> CEPT University, Navrangpura, Ahmedabad, 380009 Gujarat, India
> Per | mahr...@gmail.com  | 
> *www.pas.org.in  Mob:* +91 *94 285 10963 *| O: +91 
> 79 26302470 ext: 467
> * f * fb.com/pas.cept | * in * linkedin.com/in/pascept
>
>
> On 15 December 2015 at 13:40, Nisha Thompson  > wrote:
>
>> How much were the pdfs? 
>>
>> A tracing party could be arranged to free them? 
>>
>> Nisha 
>> On Dec 15, 2015 1:12 AM, "Esha Zaveri" > 
>> wrote:
>>
>>> I had a similar experience. Spoke with the Mapping division office in 
>>> Delhi, and was told that ward shapefiles are not not sold because they are 
>>> classified! I wonder why too. 
>>>
>>> Esha
>>>
>>>
>>>
>>>
>>> On Mon, Dec 14, 2015 at 12:57 PM, Ma-roof M >> > wrote:
>>>
 I had  the opportunity to talk to personnel in the ORGI Mapping 
 division office in New Delhi. One can buy the city maps with ward 
 boundaries from the census office in the respective states - print or 
 image 
 or pdf. They did say that the shapefiles are not sold - cant think of any 
 reasonable reason though.. :-).

 
 Knowledge, that is *discovered*, lasts a lifetime..

 Research Associate, PAS Project
 CEPT University, Navrangpura, Ahmedabad, 380009 Gujarat, India
 Per | mahr...@gmail.com  | 
 *www.pas.org.in  Mob:* +91 *94 285 10963 *| O: +91 
 79 26302470 ext: 467
 * f * fb.com/pas.cept | * in * linkedin.com/in/pascept


 On 14 December 2015 at 21:31, Sourabh Ghurye >>> > wrote:

>  Thank you Rithika and Devdatta for your data and comments.
> I also mailed Bhuvan, ISRO for the administrative boundary data. They 
> said that it is available only for "visualization" and not for download. 
> I 
> can't understand why this data is not easily available.
> Anyway, Thanks. 
>
> -- 
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> more about us by visiting http://datameet.org
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>>>
>>>
>>>
>>> -- 
>>> Esha Zaveri
>>> Ph.D Candidate, Dual-title Doctoral Program
>>> Environmental Economics and Demography
>>> The Pennsylvania State University
>>> 309A Armsby Building, University Park, PA 16802
>>>
>>>
>>> -- 
>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>> about us by visiting http://datameet.org
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>>>
>> -- 
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>> about us by visiting http://datameet.org
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>>
>
>

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[datameet] Re: Map Digitalization Effort

[Sharad Lele]

Dear Nisha,

Can you take the csv given by Justin, and create an online spreadsheet, 
with columns indicating URL for source pdf /jpeg, whether digitized or not, 
if not then who is taking the lead on that city, and URL of final 
shapefile something like that...?

I can contribute shapefile for Coimbatore city ward boundaries also, if I 
know where to send it/upload it.

Ideally, we would want pdfs and shapefiles all sitting in parallel folders 
in the same location? 

Sharad


On Friday, December 18, 2015 at 7:00:52 PM UTC+5:30, Justin Meyers wrote:
>
> Chinmay,
>>>
>> here is a csv of top 150 cities:
> Source: 
> https://en.wikipedia.org/wiki/List_of_cities_in_India_by_population
>
> rank,City,Population 2011,Population 2001,State
> 1,Mumbai,"12,478,447","11,978,450",Maharashtra
> 2,New Delhi,"11,007,835","9,879,172",Delhi
> 3,Bangalore,"8,425,970","4,301,326",Karnataka
> 4,Hyderabad[5][6],"7,170,545","3,637,483",Telangana
> 5,Chennai[7],"6,727,000","4,343,645",Tamil Nadu
> 6,Ahmedabad,"5,570,585","3,520,085",Gujarat
> 7,Kolkata,"4,486,679","4,572,876",West Bengal
> 8,Surat,"4,462,002","2,433,835",Gujarat
> 9,Pune,"3,115,431","2,538,473",Maharashtra
> 10,Jaipur,"3,073,350","2,322,575",Rajasthan
> 11,Lucknow,"2,815,601","2,185,927",Uttar Pradesh
> 12,Kanpur,"2,767,031","2,551,337",Uttar Pradesh
> 13,Nagpur,"2,405,421","2,052,066",Maharashtra
> 14,Indore,"1,960,631","1,474,968",Madhya Pradesh
> 15,Visakhapatnam[8],"1,897,823","982,904",Andhra Pradesh
> 16,Thane,"1,818,872","1,262,551",Maharashtra
> 17,Bhopal,"1,798,218","1,437,354",Madhya Pradesh
> 18,Pimpri-Chinchwad,"1,729,359","1,012,472",Maharashtra
> 19,Patna,"1,683,200","1,366,444",Bihar
> 20,Vadodara,"1,666,703","1,306,227",Gujarat
> 21,Ghaziabad,"1,636,068","968,256",Uttar Pradesh
> 22,Ludhiana,"1,613,878","1,398,467",Punjab
> 23,Coimbatore[9],"1,601,438","930,882",Tamil Nadu
> 24,Agra,"1,574,542","1,275,134",Uttar Pradesh
> 25,Madurai[10],"1,561,129","928,869",Tamil Nadu
> 26,Nashik,"1,486,973","1,077,236",Maharashtra
> 27,Faridabad,"1,404,653","1,055,938",Haryana
> 28,Meerut,"1,309,023","1,039,405",Uttar Pradesh
> 29,Rajkot,"1,286,995","967,476",Gujarat
> 30,Kalyan-Dombivali,"1,246,381","1,193,512",Maharashtra
> 31,Vasai-Virar,"1,221,233","693,350",Maharashtra
> 32,Varanasi,"1,201,815","1,091,918",Uttar Pradesh
> 33,Srinagar,"1,192,792","898,440",Jammu and Kashmir
> 34,Aurangabad,"1,171,330","873,311",Maharashtra
> 35,Dhanbad,"1,161,561","1,065,327",Jharkhand
> 36,Amritsar,"1,132,761","966,862",Punjab
> 37,Navi Mumbai,"1,119,477","704,002",Maharashtra
> 38,Allahabad,"1,117,094","975,393",Uttar Pradesh
> 39,Ranchi,"1,073,440","847,093",Jharkhand
> 40,Howrah,"1,072,161","1,007,532",West Bengal
> 41,Jabalpur,"1,054,336","932,484",Madhya Pradesh
> 42,Gwalior,"1,053,505","827,026",Madhya Pradesh
> 43,Vijayawada,"1,034,358","851,282",Andhra Pradesh
> 44,Jodhpur,"1,033,918","851,051",Rajasthan
> 45,Raipur,"1,010,087","605,747",Chhattisgarh
> 46,Kota,"1,001,365","694,316",Rajasthan
> 47,Guwahati,"963,429","809,895",Assam
> 48,Chandigarh,"960,787","808,515",Chandigarh
> 49,Solapur,"951,118","872,478",Maharashtra
> 51,Hubballi-Dharwad,"943,857","786,195",Karnataka
> 52,Tiruchirappalli[11],"916,674","752,066",Tamil Nadu
> 53,Bareilly,"898,167","718,395",Uttar Pradesh
> 54,Moradabad,"889,810","641,583",Uttar Pradesh
> 55,Mysore,"887,446","755,379",Karnataka
> 56,Tiruppur[12],"877,778","344,543",Tamil Nadu
> 57,Gurgaon,"876,824","173,542",Haryana
> 58,Aligarh,"872,575","669,087",Uttar Pradesh
> 59,Jalandhar,"862,196","706,043",Punjab
> 60,Bhubaneswar,"837,737","648,032",Orissa
> 61,Salem,"831,038","696,760",Tamil Nadu
> 62,Mira-Bhayandar,"814,655","520,388",Maharashtra
> 63,Warangal[13],"811,844","530,636",Telangana
> 64,Thiruvananthapuram,"752,490","744,983",Kerala
> 65,Guntur[14],"743,354","514,461",Andhra Pradesh
> 66,Bhiwandi,"711,329","598,741",Maharashtra
> 67,Saharanpur,"703,345","455,754",Uttar Pradesh
> 68,Gorakhpur,"671,048","622,701",Uttar Pradesh
> 69,Bikaner,"647,804","529,690",Rajasthan
> 70,Amravati,"646,801","549,510",Maharashtra
> 71,Noida,"642,381","305,058",Uttar Pradesh
> 72,Jamshedpur,"629,659","573,096",Jharkhand
> 73,Bhilai,"625,697","556,366",Chhattisgarh
> 74,Cuttack,"606,007","534,654",Orissa
> 75,Firozabad,"603,797","279,102",Uttar Pradesh
> 76,Kochi,"601,574","596,473",Kerala
> 77,Nellore[15],"600,869","378,428",Andhra Pradesh
> 78,Bhavnagar,"593,768","511,085",Gujarat
> 79,Dehradun,"578,420","426,674",Uttarakhand
> 80,Durgapur,"566,937","493,405",West Bengal
> 81,Asansol,"564,491","475,439",West Bengal
> 82,Nanded,"550,564","430,733",Maharashtra
> 83,Kolhapur,"549,283","493,167",Maharashtra
> 84,Ajmer,"542,580","485,575",Rajasthan
> 85,Gulbarga,"532,031","422,569",Karnataka
> 86,Jamnagar,"529,308","443,518",Gujarat
> 87,Ujjain,"515,215","430,427",Madhya Pradesh
> 88,Loni,"512,296","120,945",Uttar Pradesh
> 89,Siliguri,"509,709","472,374",West Bengal
> 90,Jhansi,"507,293","383,644",Uttar Pradesh
> 91,Ulhasnagar,"506,937","473,7

Re: [datameet] Re: New Sentinel-2 Imagery Free For All!!!

[Sharad Lele]

Justin, 

We are trying to generate a built-up area map for two river sub-basins in 
southern India. What year is your builtup area map for? How have you 
validated the mapping?

Sharad

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Re: [datameet] digitizing maps update

[Sharad Lele]

Could not find anything at that website, Arun! Surprise, surprise!

On Friday, April 8, 2016 at 11:20:39 PM UTC+5:30, Arun Ganesh wrote:
>
> I got an optimistically vague response that the shapefiles can be accessed 
> at http://www.mhupa.gov.in/
>
> ¯\_(ツ)_/¯ 
>
>

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Re: [datameet] Re: Quick help -- Bangalore shape files

[Sharad Lele]

Pavan:

Please also see this thread:

https://groups.google.com/d/msg/datameet/dBNmEToJ5CI/OOQ0hLbcS1MJ

Sharad


On Monday, April 11, 2016 at 11:29:08 PM UTC+5:30, Pavan Srinath wrote:
>
> Thanks Dilip! 
>
> Justin - please share your files too. 
> On 11 Apr 2016 23:15, "Dilip Damle" > 
> wrote:
>
>> Hi, 
>>
>> I have been doing a lot of dabbling with a lot of data and have collected 
>> several datasets. 
>>
>> IMO The best free source for India districts is right here and is created 
>> by Datameet members I think Devdatta was the main member involved 
>>
>>
>> https://groups.google.com/forum/?hl=en#!searchin/datameet/districts/datameet/MQXzmYvC1hE/fzAgBmM8IdsJ
>>
>> On Monday, April 11, 2016 at 11:02:53 PM UTC+5:30, Justin Meyers wrote:
>>>
>>> Pavan,
>>> I have some data for districts and villages.  I'll have to check the 
>>> data to make sure it is roughly correct
>>>
>>>
>>> 
>>> J
>>>
>>> On Monday, April 11, 2016 at 11:41:58 AM UTC-4, Pavan Srinath wrote:

 Hi folks,

 I know that there have been a lot of discussions on this group on 
 district & taluk shape files -- and I've subsequently gotten very lost and 
 very confused following those threads. :)

 Does anyone have shapefiles of Karnataka districts (priority) and 
 taluks (optional)? Would appreciate it if you can share it soon. 

 Separately, does anyone have shapefiles of the boundaries of various 
 Bangalore service agencies and authorities? BBMP (in zones), BWSSB, BMRDA, 
 BDA, etc? 

 I know that Thej started the wonderful Open Bangalore, and it currently 
 has the ward boundary shapefiles, and we could make that a richer 
 repository as well, if possible. 

 Regards
 Pavan

>>> -- 
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[datameet] Re: India Shape Files

[Sharad Lele]

Looks like a webGIS platform created by Gujarat State Remote Sensing Agency 
called BISAG. 

It would be wonderful if one could get access to the village layer, 
especially for Jharkhand, Chhattisgarh, etc. It is visible, but as usually, 
tightly protected.

Sharad

On Monday, June 13, 2016 at 11:33:01 PM UTC+5:30, Sutirtha wrote:
>
> Dear everyone: I am not sure if someone in the group has looked at this 
> website:  https://ncog.gov.in/garvgis/admin/gisModule. 
>
> If one zooms in on the map sufficiently, the website gives 
> district>sub-district>village polygons. I do not have the skills to pull 
> out them out into .shp file but I am hoping that someone in the group might 
> have the time and resources to kindly take a look at it. 
>
> Best,
> SR
>
>
>
>

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Re: [datameet] India Village Shapefile Data

[Sharad Lele]

Hi folks,
I believe Nisha Thompson and Thejesh were trying to figure out the legal 
dimensions related to posting these boundaries on our group. Maybe Nisha 
can give us an update on where things stand?

Sharad

On Friday, July 8, 2016 at 11:38:44 AM UTC+5:30, Devdatta Tengshe wrote:
>
> Hey Justin.
>
> >>Devdatta, ... you have to have the data too!?? I personally don't have 
> any data of Villages with me. 
> For two reasons: 
>
>- Having worked with this Data when I was working with ISRO on 
>India-WRIS, and with Government of Bihar, I don't want anyone to entertain 
>the possibility that I stole the data from there. NDAs and Official 
> Secrets 
>Act is a Scary thing for me personally.
>- Having looked at this data, I question the possibility of a uniform 
>All India dataset which matches other datasets. I think that probably only 
>the Census Dept (not even the Survey Of India) has a decent All India 
>Dataset. I do not know that by law, all Government Departments need to buy 
>their data from Survey Of India, and that data is terrible. Hence the data 
>at India-WRIS, or Bhuvan, or Bihar's IBhugol is not an up-to-date, usable 
>dataset.  I don't know where the ppl at BISAG got the data for National 
>Centre of Geo-Informatics.
>
> >>why people from India aren't posting the data when they have it
>
> I can't answer for others, but I imagine, that this is because it is 
> difficult to explain how this data happened to be in your ownership, when 
> the original source is usually Survey Of India, or some other Govt 
> Department.
>
>
> >>Can it be hosted on GitHub?
>
> Even Though I'm not a Lawyer, my understanding is that it can be. Infact, 
> given that you are not based in the country, you would be the best person 
> on the group to do so.
>
>
>
> Regards,
> Devdatta
>
> On Fri, Jul 8, 2016 at 9:16 AM, Justin Meyers  > wrote:
>
>> SR,
>> Thanks - have the data downloaded from both.  can the vector data be 
>> shared?  the lgdir data is constantly changing...
>>
>> Devdatta, you know whats going on behind the scenes with the sites - you 
>> have to have the data too!??  
>>
>> thejeshgn.com 
>>  - 
>> he has the data too??  https://archive.org/details/IndiaVillageBoundaries
>>
>> not sure why people from India aren't posting the data when they have it 
>> - Is the govt restricting free data from being uploaded?  Can it be posted 
>> ?  https://archive.org/details/IndiaVillageBoundaries started, but 
>> stopped?  does everyone have all that data (for the entire nation) 
>> already?  The Mapbox people must have it!?  Or am I the only one in the 
>> world with several different full national level datasets for villages in 
>> India?  This cannot be true - 
>>
>> Can it be hosted on GitHub?  
>>
>> On Thursday, July 7, 2016 at 11:14:54 PM UTC-4, Sutirtha wrote:
>>>
>>> If you want to eyeball the villages and check their boundaries: 
>>> https://ncog.gov.in/garvgis/admin/gisModule
>>>
>>> If you want to just make sure  you have the complete list of villages: 
>>> http://lgdirectory.gov.in/rptConsolidateVillageGramPanchayat.do?OWASP_CSRFTOKEN=7XNL-ARRY-910I-Q8CR-0O1H-M0GL-9MH8-0GRY
>>>
>>> SR
>>>
>>>
>>>
>>>
>>>
>>>
>>> *Sutirtha Roy | Economist, O/o CEA | Ministry of Finance*
>>> *011-23095176 (O) **9810645843 (M) *
>>>
>>>
>>>
>>> On Fri, Jul 8, 2016 at 7:37 AM, Justin Meyers  
>>> wrote:
>>>
 Does anyone have a village dataset I can compare to for verification 
 before I upload to github?
 On Jul 7, 2016 8:55 PM, "Devdatta Tengshe"  wrote:

> Hey Justin,
> Please post them. Lot of people are asking for them.
>
> Regards,
> Devdatta Tengshe
> Ph: 735-358-0782
> On 08-Jul-2016 7:21 am, "Justin Meyers"  
> wrote:
>
>> Can I post shapefile data for India Villages?  
>>
>> -- 
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>> more about us by visiting http://datameet.org
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Re: [datameet] Fwd: Fwd: [New post] Happy Independence Day and Open Indian Village Boundaries

[Sharad Lele]

ell.
>>>>>>
>>>>>> We met with them regarding the mapping data we hold. Currently 
>>>>>> DataMeet has the only publicly available Parliamentary and Assembly 
>>>>>> Constituency shapefiles for download under OBDL, as well as District, 
>>>>>> some 
>>>>>> ward maps and other isolated mapping information provided to us to 
>>>>>> maintain 
>>>>>> by the community.
>>>>>>
>>>>>> When the community decided to start tackling the village files Thej 
>>>>>> and I were concerned about having that much mapping data available from 
>>>>>> government sources given the Survey of India's regulations regarding 
>>>>>> mapping information.
>>>>>>
>>>>>> There is a lot of gray areas in the law and in the regulation. 
>>>>>> Basically we should be concerned with copyright violation but it is 
>>>>>> unlikely that they will go after you for that. It is important to create 
>>>>>> a 
>>>>>> sense of demand, then document the process of getting and processing the 
>>>>>> information and also that this information being shared is in the public 
>>>>>> interest. 
>>>>>>
>>>>>> Copyright Law - Data is not technically copyrighted but the way it is 
>>>>>> stored and created is. Maps are creations and interpretations of data 
>>>>>> therefore a map is technically copyrighted. Making a copy of it and 
>>>>>> changing it's format from one to another is a gray area in copyright. 
>>>>>> (Some 
>>>>>> say yes some say no)
>>>>>>
>>>>>> Mapping Policy - Only the Survey of India is allowed to map and 
>>>>>> distribute maps. However, they make a lot of partnerships with vendors 
>>>>>> and 
>>>>>> distributors for their maps. Again taking an official GOI and SOI map 
>>>>>> (Census, NIC village provided maps) and changing the format a gray area 
>>>>>> for 
>>>>>> copyright but whether the SOI considered it a violation of their 
>>>>>> distribution is another story. 
>>>>>>
>>>>>> What it comes down to is our intent and how risk adverse we are. 
>>>>>>
>>>>>> We are not very risk adverse and we believe in open data for public 
>>>>>> good, so we decided to move forward with the effort but proceed 
>>>>>> cautiously 
>>>>>> and deliberately.  
>>>>>>
>>>>>> If the government asks us to take them down we will but we should be 
>>>>>> prepared to make the case for why they should provide the maps. 
>>>>>>
>>>>>> We spent some time collecting demand information from people on why 
>>>>>> mapping information needs to be available and ideally in the open.
>>>>>> We articulated the need to have this information in the open and with 
>>>>>> the Save the Map campaign in full swing at the same time there has been 
>>>>>> a 
>>>>>> reasonable public conversation about the importance of mapping 
>>>>>> information 
>>>>>> be available, not restricted, and in the open.
>>>>>> We then looked at the states that already had PDF maps of their 
>>>>>> villages available and began to convert them, people contributed their 
>>>>>> individual efforts in converting maps and over the last several months 
>>>>>> managed to get the whole country in some form or the other.
>>>>>> Now we can finish processing them and get them out to the public.
>>>>>>
>>>>>> This is an ongoing conversation and we will continue having the 
>>>>>> conversation with ALF and others so please send any questions.
>>>>>>
>>>>>> Nisha
>>>>>>
>>>>>> On Tue, Aug 16, 2016 at 4:30 PM, Arun Ganesh  
>>>>>> wrote:
>>>>>>
>>>>>>> Thej, if it helps, the OSM wiki probably has the most comprehensive 
>>>>>>> documentation of the varying boundary levels in India 
>>>>>>> http://wiki.openstreetmap.org/wiki/WikiProject_India/Boundaries
>>>>>>>
>>>>>&

Re: [datameet] Statewise Administrative atlases 2011 are now online

[Sharad Lele]

Yes, but just the boundary, not wards inside the towns/cities.

Also note that for some funny reason quality of the maps (i.e., 
fuzziness/sharpness) seems to vary from state to state. MP has posted its 
atlases on its own website 
(http://censusmp.nic.in/censusmp/atlas02-09-13.html) and these are the best 
quality I have seen so far.

Sharad

On Friday, November 18, 2016 at 10:48:27 AM UTC+5:30, Meera wrote:
>
> Does this also have town boundaries? 
>
>
>

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Re: [datameet] Statewise Administrative atlases 2011 are now online

[Sharad Lele]

Meera,

Unfortunately not. This has been an ongoing discussion on datameet. And 
folks have tried to set up a collection of ward maps where available. Don't 
remember the exact link. Maybe Nisha or Thejesh can help here. But thats 
only for a very few towns/cities.

Sharad


On Saturday, November 19, 2016 at 10:58:24 AM UTC+5:30, Meera wrote:
>
> Thanks Sharad .. 
>
> Do you know of any other source that would also give ward boundaries ?
>
> Meera  
>
> Sent from my iPhone
>
> On 19-Nov-2016, at 06:05, Sharad Lele > 
> wrote:
>
> Yes, but just the boundary, not wards inside the towns/cities.
>
> Also note that for some funny reason quality of the maps (i.e., 
> fuzziness/sharpness) seems to vary from state to state. MP has posted its 
> atlases on its own website (
> http://censusmp.nic.in/censusmp/atlas02-09-13.html) and these are the 
> best quality I have seen so far.
>
> Sharad
>
> On Friday, November 18, 2016 at 10:48:27 AM UTC+5:30, Meera wrote: 
>>
>> Does this also have town boundaries? 
>>
>>
>> -- 
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[datameet] Re: India Village Boundaries for all states

[Sharad Lele]

As far as I can see:
a) the maps only show state, district and taluka boundaries, no village 
boundaries
b) the maps are not downloadable.

Others please comment.

On Monday, February 20, 2017 at 6:51:10 PM UTC+5:30, RISHABH JAIN wrote:
>
> This website http://censusgis.org/india/ has census revenue village 
> boundaries for states. Is this a valid source and has anyone worked on 
> extracting it?
>

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[datameet] Re: GIS analysis

[Sharad Lele]

@Nagesh: I strongly endorse Dilip's warning. And I would add another 
question: One needs to be clear what one is trying to find out (question 
comes before tool) and whether the answer is already approximately known 
before hitting it with a tool that has all the limitations Dilip mentions. 
So what is the question?

For instance, we already know that the installed STPs don't operate at full 
capacity and that the problem is largely to do with clogged UGDs, broken 
UGDs and incomplete UGDs. E.g., Vrishabhavathy Valley STP has installed 
capacity of 180 MLD. One of the units does not work, so effectively 120 
MLD. But even this 120 MLD consists of only 20-25 MLD of raw sewage coming 
from the UGD, rest is diluted sewage being picked up from the river. We 
have a published paper on V-Valley STP (mal)functioning.

We also know that even as K&C valley STP capacity is being upgraded, it 
gets some of its sewage (60MLD) by pumping from the Agara side and will get 
another 100 MLD pumped from Ejipura drain (pickup point several km before 
drain reaches Bellandur).

So any simple terrain-based analysis is pointless when on the one hand 
gravity-based movement is blocked by clogged UGDs and on the other hand 
pumping moves sewage around.

Sharad

On Thursday, March 23, 2017 at 9:04:21 PM UTC+5:30, Dilip Damle wrote:
>
> I would add that if anyone anywhere is even thinking of interpolating 
> ground levels then it is the biggest Blunder that can be done. 
> Unfortunately these days of software we have distanced ourselves from 
> ground realities and fundamentals and even such ideas are offered as 
> innovation/smartness and sold to ignorant management. 
>
> On Thursday, March 23, 2017 at 8:33:17 PM UTC+5:30, Dilip Damle wrote:
>>
>> HI, 
>>
>> I do not know your project nor whom you are working for. 
>>
>> However I have worked professionally as a consultant On Many Water 
>> Supply, a few Sewerage projects and to a lesser extent on Stormwater 
>> projects. I also had my own water supply network software (before 
>> commercial software were easily available)  with which I have done network 
>> planning for many large projects in different parts of the country.
>>
>> With that background I would say For a large city these kinds of projects 
>> involve a large PAID team with expertise in their own areas. Say my area 
>> was design and Hydraulics analysis but I can not work without another 
>> member without a GOOD site experience. So trying to look at these things 
>> just a s a software problems and getting help online may not really work.
>>
>> The most important part to start with is a real land survey to get actual 
>> ground levels. There is no way they can be estimated from anywhere.
>> Unfortunately newer people do not understand the complexity of the 
>> issues. Also we try to fudge everywhere including survey. 
>>
>> Your exercise will also involve analyzing the entire network existing and 
>> proposed.
>>
>> So any help from someone other than without a domain experience and 
>>  responsibility against payment will be much less than a milligram of 
>> lipstick.
>>
>> If you think you can put together things from here and there, you cannot. 
>> If you could then you would not have asked here. 
>>
>>
>>
>> *Availabee Digital elevation model is useless (inadequate) for this 
>> project.*
>>
>> Knowing Bangalore as the city where I will shift in near future and I 
>> live there (ALSO). I would say the following specifically about the city. 
>>
>> Since it is highly undulated city there are advantages that you will get 
>> a good gravity assist in the network. But at the same time you will have 
>> many points from which sewage will have to be collected and pumped to the 
>> STP. This complexity and planning is HUGE.
>>
>> I just hope (for the sake of the city) that nonone is working with a 
>> shoestring budget on this one. Or the shoestrings are controlled by some 
>> other strings.
>>
>> Apologies for being forthright and clear on the issue.
>>
>> On Thursday, March 23, 2017 at 3:52:21 PM UTC+5:30, Nagesh Aras wrote:
>>>
>>> Hi 
>>>
>>>
>>> I would like help from users or QGIS (or ArcGIS) in analyzing the sewage 
>>> scenario in Bangalore. 
>>>
>>> The rough idea is as follows: 
>>>
>>> 1. We have the BWSSB STP locations and their capacity. 
>>> 2. We have the rain precipitation figures 
>>> 3. By analyzing the terrain (e.g. Digital Elevation Model from ISRO), 
>>> can we find the watersheds (catchment areas) for each STP? 
>>> 4. Can we estimate how much sewage and rainwater each STPwill get on a 
>>> day-to-day (or month-to-month) basis? 
>>>
>>> Thanks in advance! 
>>>
>>> Regards, 
>>> Nagesh 
>>> 9448239985
>>
>>

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[datameet] Re: Census codes 2001 and 2011

[Sharad Lele]

Folks, 

Sumit Mishra had posted this earlier:

Justin/Sharad,

Please follow this link to get the files (both in Stata format named - 
rdir/udir).
https://www.dropbox.com/sh/t7d3sy9sage8hoz/AABogZUrrWj-6uyFFy2T8mcna?dl=0
Use this dataset with caution. I had only worked on a subset of this- 
Maharashtra- and found some coding errors.
Let me know if you have any other question.

Thanks,
Sumit

On Wednesday, July 12, 2017 at 8:07:40 AM UTC+5:30, Justin wrote:
>
> The govt matched the codes, but it is incorrect. If you did it spatially, 
> you would run into more issues because any 2001 census GIS data would be 
> more for illustration purposes vs analysis.
>
> Are you doing it based off of tables or GIS?
>

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Re: [datameet] hierarchical & complete ward data of Bangalore

[Sharad Lele]

Sorry, Christopher. Do you mean a ward boundary shapefile? 


Check this repository, maintained by Thejesh:

https://github.com/datameet/Municipal_Spatial_Data

Sharad

On Thursday, 31 August 2017 19:02:20 UTC+5:30, Christopher Bulkley-Logston 
wrote:
>
> Hi, are there any updates on this locality-wise set of data? Thanks for 
> any info. 
>
> On Friday, August 14, 2015 at 6:17:45 PM UTC+5:30, Meera K wrote:
>>
>> We have the data but still working on it. Can share in a week, will that 
>> work?
>>
>> On Fri, Aug 14, 2015 at 3:48 PM, rajesh  wrote:
>>
>>> Namaskara,
>>>
>>> I am looking for Bangalore locality/ward data in the form:
>>>
>>> Locality / Ward / Town / Sub District / District / State
>>>
>>> eg. Siddhapura; ?? / Ward: Hagadur; 84 / Mahadevpura; ?? / Bangalore 
>>> East; 5544 / Bangalore; 572 / Karnataka; 29
>>>
>>> I looked at the ward data (there is an .ods file) on the datameet site, 
>>> but it appears very old - only 100 entries. There are other file formats 
>>> (such as kml) - i want csv and i am not sure if the other file formats can 
>>> provide me the data. 
>>>
>>> There are 198 rows from: 
>>> http://censusindia.gov.in/2011census/Listofvillagesandtowns.aspx
>>> and also on the BBMP website: http://vigeyegpms.in - if you click a 
>>> ward you get the list of localities, but am not sure if they have any 
>>> codes. Also, i am not  100% sure if i have the hierarchy right.
>>>
>>> Thanks in advance,
>>> Rajesh
>>>
>>> -- 
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>>> about us by visiting http://datameet.org
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>>
>>

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Re: [datameet] Village boundaries map for Odisha

[Sharad Lele]

Dear Ananya:

Thanks for sharing this. A quick check indicates that this shapefile is for 
2001 census. The field "vid" corresponds to the Census 2001 village code 
(extended code including state, district, block and village code). Not sure 
whether the village boundaries match 2001 boundaries, but there is some 
distinct variation in boundaries w.r.t. 2011 boundaries as given in the 
District census handbooks of 2011.

Presumably the 2001 codes can be updated by using the correspondence table 
with 2011 that has been circulated on this group several times before. But 
the shape mismatch w.r.t. 2011---I don't know how pervasive it is and how 
it can be corrected...

this is for information of users.

Sharad

On Wednesday, December 27, 2017 at 4:27:47 PM UTC+5:30, Ananya Bhatia wrote:
>
> Please check if this helps. and adding to your request here, if anyone can 
> provide with the shapefiles of uttarakhand, latest, village and block 
> level. 
>  in_bhuvan_village_state_OD.cpg.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.dbf.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.prj.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.shp.part1.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.shp.part2.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.shp.part3.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.shp.part4.rar 
> 
> ​​
>  in_bhuvan_village_state_OD.shx.rar 
> 
> ​
>
> On Wed, Dec 27, 2017 at 3:57 PM, Thejesh GN  > wrote:
>
>> We are working on it. It will be out sometime early next year.
>>
>> Thej
>> --
>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>> http://thejeshgn.com
>> GPG ID :  0xBFFC8DD3C06DD6B0
>>
>> On 27 December 2017 at 15:33, > wrote:
>>
>>> Hi Friends,
>>>
>>> I need Village boundaries map and Block level map for Odisha (Shape file 
>>> or geojson). I would  be really grateful if some could help me out.
>>>
>>> With regards,
>>> Papesh
>>> Research Fellow,
>>> Sociology
>>> Pondicherry University
>>>
>>> --
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>>> about us by visiting http://datameet.org
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>>
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>> about us by visiting http://datameet.org
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>>
>
>
>
> -- 
> *Ananya Bhatia*
> *Research Analyst *
> *Environics Trust, New Delhi*
>
> *"Growth for the sake of growth is the ideology of the cancer cell"- 
> Edward Abbey*
>
>

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[datameet] Re: Updated Taluk Shapefile!!

[Sharad Lele]

I am wondering if Hubli-Dharwad MCorp can be considered as a separate 
taluka. Even Bengaluru MCorp is divided across two taluka (Bangalore south 
and Bangalore North). H-D needs to show up as polygons when one goes to a 
village boundary map...

Sharad

On Tuesday, June 20, 2017 at 6:57:23 PM UTC+5:30, Kartik Desikan wrote:
>
> Dear Justin and others,
> Can anyone send me a working link for Taluk shapefiles?
> Also current shapefiles that I've seen don't have "Hubli-Dharwad M.Corp@" 
> taluk mapped correctly (karnataka is of primary interest for me).
>
> Regards
> Kartik
>
> On Thursday, 19 January 2017 14:46:23 UTC+5:30, swati...@gmail.com wrote:
>>
>>
>> Hi Justin,
>> Can you please share the updated 5300 sub-district file with me. The one 
>> that I have has only 2299 sub-districts
>> Thanks
>> Swati
>>
>

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Re: [datameet] Bangalore Constituency / Ward map

[Sharad Lele]

Bringing up an old thread: BBMP ward boundaries

Has anyone compared the boundaries now available in OpenCity 
(http://data.opencity.in/Data/BBMP-Wards.kml) with the maps on Github 
(either 
https://github.com/openbangalore/bangalore/tree/master/bangalore/GIS/bbmpwards, 
or 
at https://github.com/datameet/Municipal_Spatial_Data/tree/master/Bangalore)?

I tried to compare with a BBMP wardboundary layer i had, and I think the 
OpenCity version is more accurate/uptodate. But for the life of me, I could 
not load the abovementioned github files (geojson or shp or kml) in my 
QGIS. Says invalid file.

Sharad


On Monday, September 15, 2014 at 7:18:01 PM UTC+5:30, Thejesh GN wrote:
>
> I have uploaded the same to Archive.org 
> https://archive.org/details/BMPWards
>
> Will link from the catalog and openbangalore
>
> Thej
> --
> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
> http://thejeshgn.com
> GPG ID :  0xBFFC8DD3C06DD6B0
>
> On Sat, Sep 6, 2014 at 11:28 PM, Jyothi Chava  > wrote:
>
>> Hi Sudhira
>>
>> Thanks for such a quick reply. Its very useful
>> .
>>
>> Jyothi chava
>>
>>
>> On Sat, Sep 6, 2014 at 6:59 AM, H. S. Sudhira > > wrote:
>>
>>> Hi Sharad,
>>>
>>> Here it is erstwhile BMP with 100 wards. This is something I managed 
>>> when I was interning with BMP. 
>>>
>>> Thejesh, please feel free to add under OpenBangalore repo.
>>>
>>> Best,
>>> Sudhira.
>>>
>>>
>>>
>>> On Fri, Sep 5, 2014 at 9:25 PM, chava jyothi >> > wrote:
>>>
>>>> Hi Sharad,
>>>>
>>>> This is jyothi, I'm doing my PhD in Bangalore
>>>>
>>>> I'm also looking for Bangalore dist ward boundaries as per 2001 census 
>>>> statistics. Actually I'm trying to compare the 2011 census data with 2001 
>>>> census data. but ward numbers are not matching. It would be very useful if 
>>>> the 2001 boundary map is available.
>>>>
>>>> Please do let me know, if you know  anay availability of such maps
>>>>
>>>>
>>>> Jyothi
>>>>
>>>>
>>>> On Tuesday, July 22, 2014 1:29:22 PM UTC+8, Sharad Lele wrote:
>>>> > I thought I would post here rather than open a new thread, even if 
>>>> this thread is old.
>>>> >
>>>> > I am looking for ward boundaries of Bangalore Municipal Corporation 
>>>> PRIOR to the creation of BBMP. Because I am trying to link Census 2001 and 
>>>> Census 1991 data to ward boundaries to estimate population densities and 
>>>> how they changed over time.
>>>> >
>>>> > So does anyone know where I can get a reasonable quality map (even 
>>>> pdf/jpg) of BMP ward boundaries of 2001?
>>>> >
>>>> > Sharad
>>>> >
>>>> > On Tuesday, January 14, 2014 12:41:14 PM UTC+5:30, Gautam John 
>>>> wrote:Thejesh has the ward maps here: 
>>>> http://openbangalore.org/available-data/
>>>>
>>>> --
>>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>>> about us by visiting http://datameet.org
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>>>>
>>>
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>>
>>
>>
>> -- 
>> With Regards
>> Jyothi Chava
>> Doctoral student
>> CUSP, Curtin University
>> WA
>>
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>
>

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[datameet] Re: Madhya Pradesh- Village and Taluka boundary Shape File

[Sharad Lele]

Nobody seems to yet have access to the 2011 census village boundaries layer 
for MP.

Sharad

On Monday, April 16, 2018 at 7:12:31 PM UTC+5:30, keerthi KB wrote:
>
> I saw that several states data is already available in the 2018 India 
> Village GIS Data project and 
> http://projects.datameet.org/indian_village_boundaries/. 
>
> Does any one have shape file of village and Taluka boundary of Madhya 
> Pradesh state? 
>
> Best, 
> KK 
>
>
>
>
>

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Re: [datameet] Re: India Shape Files

[Sharad Lele]

Hi Thejesh:

Did you ever manage to convert the data into a polygon file? I could not 
follow the technical intricacies of what you were discussing with Palash, 
but certainly the original json file posted by him did not contain the 
polygons and could not be imported into QGIS. Do you now have one which can 
be? And is it good quality?

Sharad

On Friday, January 20, 2017 at 6:24:51 PM UTC+5:30, Thejesh GN wrote:
>
> Imported into mongo to do some initial analysis[1].
>
> Will do some more analysis. 
>  
>
> > db.states.count()
> 36
> > db.districts.count()
> 672
> > db.taluks.count()
> 5960
> > db.villages.count()
> 522291
>
>
>
>
> [1]  https://gist.github.com/thejeshgn/ea0074077b6fcd6c0108b2a4380fc354
>
> Thej
> --
> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
> http://thejeshgn.com
> GPG ID :  0xBFFC8DD3C06DD6B0
>
> On 20 January 2017 at 17:03, Palash Kulshrestha  > wrote:
>
>> Hi Thejesh
>> Thanks for the heads up, I wasn't aware of the underlying architecture 
>> which is used in geo systems. So wasn't able to understand the layers data. 
>> And now I am able to understand how they come up with polygon on the map. 
>> Other wise I was thinking that they somehow came up random shapes using min 
>> max x,y.
>>
>> I'm looking into the new api that you have provided and see what I can 
>> come up with. I ll update. Any advice?
>>
>> On Friday, January 20, 2017 at 4:54:47 PM UTC+5:30, Thejesh GN wrote:
>>>
>>> @Palash Kulshrestha
>>> Let me know if you downloaded the shapes too.
>>>
>>>
>>> The accuracy isn't bad for a national level project
>>>
>>> https://gist.github.com/thejeshgn/2b50ce7fe45287152f55941bd8d76869
>>>
>>>
>>>
>>>
>>>
>>> Thej
>>> --
>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>> http://thejeshgn.com
>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>
>>> On 20 January 2017 at 16:47, Thejesh GN  wrote:
>>>
 Ah


 https://ncog.gov.in/garvgis/admin/getTalukaWiseVillageBoundary?districtId=572&talukaId=05545&villageId=613256

 Gives

 {"gid":438129,"vilNameSoi":"KAMMASANDRA","stateId":"29","distId":"572","subdistId":"05545","villageId":"613256","villageName":"Kammasandra","minx":77.68262864449315,"miny":12.824103451365033,"maxx":77.69996896356992,"maxy":12.841455112691222}


 Then you get the actual layer using

 https://ncog.gov.in/garvgis/admin/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=cite:Village2014&PROPERTYNAME=the_geom,VIL_2011,VIL_NAME11&CQL_FILTER=VIL_2011=%27613256%27&maxFeatures=50&outputFormat=json

 {"type":"FeatureCollection","totalFeatures":1,"features":[{"type":"Feature","id":"Village2014.438129","geometry":{"type":"MultiPolygon","coordinates":77.7,12.8348],[77.6995,12.8326],[77.699,12.8305],[77.6983,12.828],[77.6978,12.8262],[77.697,12.8259],[77.6961,12.8255],[77.6951,12.825],[77.6935,12.8243],[77.6929,12.8241],[77.6893,12.8251],[77.6884,12.8253],[77.6871,12.8258],[77.6826,12.8271],[77.6829,12.8288],[77.6841,12.8313],[77.684,12.8333],[77.6838,12.8351],[77.685,12.8374],[77.6856,12.8384],[77.6863,12.84],[77.687,12.8415],[77.6885,12.8394],[77.6896,12.8392],[77.6916,12.8384],[77.6935,12.8379],[77.6954,12.8373],[77.6963,12.8369],[77.697,12.8364],[77.6979,12.8358],[77.6989,12.8351],[77.7,12.8348},"geometry_name":"the_geom","properties":{"VIL_2011":"613256","VIL_NAME11":"Kammasandra"}}],"crs":{"type":"name","properties":{"name":"urn:ogc:def:crs:EPSG::4326"}}}











 Thej
 --
 Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
 http://thejeshgn.com
 GPG ID :  0xBFFC8DD3C06DD6B0

 On 20 January 2017 at 16:43, Thejesh GN  wrote:

> Seems to have only the following data for each village. Dont know what 
> minx, maxx etc are. Is geo layer stored separately 
>
>
> {"gid":14741,"vilNameSoi":"KAJLA","stateId":"19","distId":"344","subdistId":"02465","villageId":"343022","villageName":"Kajla",
>
> "minx":87.37861784203545,"miny":22.159016472923042,"maxx":87.38472569821403,"maxy":22.162844638588865,"type":"village"}
>
> Thej
> --
> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
> http://thejeshgn.com
> GPG ID :  0xBFFC8DD3C06DD6B0
>
> On 20 January 2017 at 14:22, Palash Kulshrestha  
> wrote:
>
>> Hi Surtirtha, Sharad, Devdatta
>>
>> I 've extracted all available data of indian subcontinent and stored 
>> it in json file 
>> https://drive.google.com/file/d/0B8ZjiDWHZ1j-S0taUzRwYmt2NG8/view?usp=sharing
>>
>> It is till village level. I hope that its put to some use for greater 
>> good.
>>
>> On Monday, June 13, 2016 at 11:33:01 PM UTC+5:30, Sutirtha wrote:
>>
>>> Dear everyone: I am not sure if someone in the group has looked at 
>>> this website:  https://ncog.gov.in/garvgis/admin/gisModule. 
>>>
>>> If one zooms in on the map sufficiently, the website gives 
>>> district>sub-district>village polygons. I do not have the skills to 
>>> pull 
>>> out them out into .shp fil

Re: [datameet] Re: GIS Ward Maps for Hyderabad, Kolkata and Ahmedabad

[Sharad Lele]

May I request everyone who has ward boundaries to please upload them to the 
Github repository that Thejesh has created and repeatedly shared links for? 
That way, we don't have to keep making these individual requests, and the 
whole community has access to these datasets at any future point also. 
Please help build this common property resource.

Sharad

On Tuesday, September 25, 2018 at 6:10:05 PM UTC+5:30, Ankit Sagar wrote:
>
> Please could you mail me the ward shp file of ahemdabad
>
>
> On Tue, Sep 25, 2018 at 12:47 PM, Shubham Singh  > wrote:
>
>>
>> *Yes *
>>
>>
>> On Mon, 24 Sep 2018 at 17:44, Ankit Sagar > > wrote:
>>
>>> On Tuesday, October 27, 2015 at 5:57:53 PM UTC+5:30, Diogo Lemos wrote:
>>> > Hey, 
>>> > 
>>> > 
>>> > I'm looking for GIS Maps for these three cities. So, if you have any 
>>> pointers on this, please let me know. Also, I have already found wards maps 
>>> for a couple of other metros, which I'm also happy to share if you're 
>>> interested.
>>> > 
>>> > 
>>> > D
>>>
>>> Hey Digos, could you please share Ahmedabad ward file.
>>>
>>> -- 
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>
>

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Re: [datameet] Re: GIS Ward Maps for Hyderabad, Kolkata and Ahmedabad

[Sharad Lele]

Dilip,
I was going to ask you earlier: what is the difference between Census Wards 
and Municipal Wards? My understanding is that the wards are always the 
same, only Census Enumeration BLOCKS are unique to Census operations. They 
are tiny portions of each ward.

Sharad

On Friday, July 7, 2017 at 10:20:00 PM UTC+5:30, Naraina aka Dilip Damle 
wrote:
>
> HI, 
>
>
> I think this data is MCD wards Here is the data Superimposed on Google 
> earth : Image 1
>
>
> and MCD election results Image from this link 
> http://www.hindustantimes.com/interactives/mcd-election-results-2017-data/ 
> : Image 2
>
> Please notice also that missing areas are NDMC and DELHI CANTT.
>
> But the wards seem to be different internally in the two images So this 
> could be an old Data. 
>
>
>
> On Wednesday, February 8, 2017 at 6:33:52 PM UTC+5:30, Deepti Raj wrote:
>>
>> Hi Devdatta,
>> These are census enumerated wards. Delhi has 272. But I am not sure about 
>> Ahmadabad. It should be ideally census enumerated only but the shapefile 
>> has 64 while census has 57, if I am not mistaken. I got them through 
>> someone, so dont know why 64 wards. 
>>
>> Regards,
>> Deepti Raj
>> School of Public Policy & Governance
>> TISS Hyderabad
>>
>> On Wed, Feb 8, 2017 at 10:17 AM, Devdatta Tengshe  
>> wrote:
>>
>>> Hi Deepti,
>>>
>>> could you clarify what types of Wards these files contain? Are they the 
>>> Census Enumeration wards? or the Municipal wards?
>>>
>>> Regards,
>>> Devdatta
>>>
>>> On Wed, Feb 8, 2017 at 12:07 AM, Deepti Raj  wrote:
>>>
 Hi priyanshi,
 Please find attached ward map for Delhi (272 wards) and Ahmadabad. Do 
 check Ahmadabad ward names as I could not use as it is different from 
 census ward. I work on cities, if you have more cities shape-file I would 
 be interested.   

 Regards,
 Deepti Raj
 School of Public Policy & Governance
 TISS Hyderabad

 On Tue, Feb 7, 2017 at 11:32 AM, Priyanshi Singh  
 wrote:

> Hi Deepti,
>
> Thank you for your response. It will be really helpful if you can 
> share Data for Delhi. However, I will have Data for Ahmedabad wards in a 
> day or two. I would be happy to share it if you need.
>
> Best,
> Priyanshi
>
> On Wed, Feb 1, 2017 at 1:10 PM, Deepti Raj  wrote:
>
>> Hi Priyanshi,
>> I have for Ahmadabad and Delhi but there is some problem with 
>> Ahmadabad as there are 64 wards in shapefile while census has about 56 
>> wards. I you want I can share them. 
>>
>> Regards,
>> Deepti Raj
>> School of Public Policy & Governance
>> TISS Hyderabad
>>
>> On Wed, Feb 1, 2017 at 11:16 PM, Priyanshi Singh  
>> wrote:
>>
>>> On Tuesday, October 27, 2015 at 8:27:53 AM UTC-4, Diogo Lemos wrote:
>>> > Hey, 
>>> >
>>> >
>>> > I'm looking for GIS Maps for these three cities. So, if you have 
>>> any pointers on this, please let me know. Also, I have already found 
>>> wards 
>>> maps for a couple of other metros, which I'm also happy to share if 
>>> you're 
>>> interested.
>>> >
>>> >
>>> > D
>>>
>>> Hi, can you share ward maps(shapefiles) for Ahmedabad and Delhi, If 
>>> you have them . Thanks
>>>
>>> --
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>>> more about us by visiting http://datameet.org
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[datameet] Re: Official Survey Of India - India Boundary

[Sharad Lele]

Sorry, I should have clarified: the red boundary is SOI official release, 
the black one is GADM.

On Saturday, 27 October 2018 16:25:18 UTC+5:30, Sharad Lele wrote:
>
> I tried to check quality of geo-rectification of these new SOI publicly 
> release boundaries. Seems like they fit Google Earth better than the ones 
> from GADM (adm0, adm1, etc.). See screenshot for TN-Karnataka border on 
> Cauvery. The GE and SOI boundaries match the Cauvery channel, which is 
> indeed the inter-state boundary. Just posting for information.
>
> [image: SOI public release versus GADM_fit on GE_2.JPG]
>
>
> On Saturday, October 27, 2018 at 9:35:19 AM UTC+5:30, Naraina Damle wrote:
>>
>> [image: check.png]
>> Hi, 
>>
>> Had a look. 
>>
>> Specifically wanted to check the Enclaves in the states boundary. 
>>
>> Some of them will requre some cleaning. 
>>
>> Like these Two Holes in MP should be a part of UP's Polygon but there are 
>> not.
>>
>>
>>
>>
>>
>>
>> On Thursday, October 25, 2018 at 12:51:32 PM UTC+5:30, Thejesh GN wrote:
>>>
>>> Hello All,
>>> A week back @planemad[1] found India Boundary and State Boundary maps 
>>> officially published by Survey of India.
>>>
>>> You can find them on SOI website[2] available for download. 
>>>
>>> I have added the same to our maps repo[3] as shapefile. @planemad has 
>>> converted them to geojson and are availabe under under Country folder[4] in 
>>> the same repo.
>>>
>>> The maps look great for most part[1]. I am yet to make a webpage for it 
>>> so it can be seen on our projects website[5]. I will do that sometime this 
>>> week.
>>>
>>> I am really kicked about the possibilities.
>>>
>>>
>>> [1] https://github.com/datameet/maps/issues/32
>>> [2] https://indiamaps.gov.in/soiapp/
>>> [3] 
>>> https://github.com/datameet/maps/tree/master/Survey-of-India-Index-Maps
>>> [4] https://github.com/datameet/maps/tree/master/Country
>>> [5] http://projects.datameet.org/maps/
>>>
>>>
>>> Regards,
>>> Thej
>>> --
>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>> http://thejeshgn.com
>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>
>>

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Re: [datameet] Re: India Shape Files

[Sharad Lele]

What about the ID issue? if we don't solve that, how do you folks propose
to make use of this layer? we cannot even get village names without having
Census 2011 ids in there...

On Mon, 29 Oct 2018 at 12:28, Arun Ganesh  wrote:

> Wow, thank you Devdatta. Having mixed success with the script, works on
> some of the files but not all. I'll investigate more an open issues
> comparing it with the script Nikhil shared
> https://github.com/answerquest/asi-monuments-xml2csv/blob/master/asi-monuments2.ipynb
>
> On Sun, Oct 28, 2018 at 2:30 PM Devdatta Tengshe 
> wrote:
>
>> Hi Arun,
>>
>> I wrote a simple script for converting this GeoRSS to GeoJSON, along with
>> the attributes.
>> https://github.com/devdattaT/GeoRSSConverter
>>
>> Do check it out and let me know.
>>
>> Regards,
>> Devdatta
>>
>>
>> On Sun, Oct 28, 2018 at 11:58 AM Arun Ganesh 
>> wrote:
>>
>>> The various village/taluk shapefile layers are available in the Bhuvan
>>> GeoServer layer listing:
>>>
>>>
>>> http://bhuvannuis.nrsc.gov.in/bhuvan/web/?wicket:bookmarkablePage=:org.geoserver.web.demo.MapPreviewPage
>>>
>>> Search for 'vill' for village boundaries by state. Search for 'taluk'
>>> for all taluk boundaries. Note that the page gives a timeout error if you
>>> take more than a few seconds and you need to start over. Since WFS export
>>> is disabled, you can use the GeoRSS option to download the shape.
>>>
>>> The one issue is that the attributes are encoded as an html string and
>>> needs to be parsed out. Nikhil has a great python script to do this:
>>> https://github.com/answerquest/asi-monuments-xml2csv/blob/master/asi-monuments2.ipynb
>>> but needs to be customized for each layer.
>>>
>>>
>>>
>>> On Fri, May 11, 2018 at 1:48 PM Sharad Lele 
>>> wrote:
>>>
>>>> Hi Thejesh:
>>>>
>>>> Did you ever manage to convert the data into a polygon file? I could
>>>> not follow the technical intricacies of what you were discussing with
>>>> Palash, but certainly the original json file posted by him did not contain
>>>> the polygons and could not be imported into QGIS. Do you now have one which
>>>> can be? And is it good quality?
>>>>
>>>> Sharad
>>>>
>>>> On Friday, January 20, 2017 at 6:24:51 PM UTC+5:30, Thejesh GN wrote:
>>>>>
>>>>> Imported into mongo to do some initial analysis[1].
>>>>>
>>>>> Will do some more analysis.
>>>>>
>>>>>
>>>>> > db.states.count()
>>>>> 36
>>>>> > db.districts.count()
>>>>> 672
>>>>> > db.taluks.count()
>>>>> 5960
>>>>> > db.villages.count()
>>>>> 522291
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> [1]
>>>>> https://gist.github.com/thejeshgn/ea0074077b6fcd6c0108b2a4380fc354
>>>>>
>>>>> Thej
>>>>> --
>>>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>>>> http://thejeshgn.com
>>>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>>>
>>>>> On 20 January 2017 at 17:03, Palash Kulshrestha 
>>>>> wrote:
>>>>>
>>>>>> Hi Thejesh
>>>>>> Thanks for the heads up, I wasn't aware of the underlying
>>>>>> architecture which is used in geo systems. So wasn't able to understand 
>>>>>> the
>>>>>> layers data. And now I am able to understand how they come up with 
>>>>>> polygon
>>>>>> on the map. Other wise I was thinking that they somehow came up random
>>>>>> shapes using min max x,y.
>>>>>>
>>>>>> I'm looking into the new api that you have provided and see what I
>>>>>> can come up with. I ll update. Any advice?
>>>>>>
>>>>>> On Friday, January 20, 2017 at 4:54:47 PM UTC+5:30, Thejesh GN wrote:
>>>>>>>
>>>>>>> @Palash Kulshrestha
>>>>>>> Let me know if you downloaded the shapes too.
>>>>>>>
>>>>>>>
>>>>>>> The accuracy isn't bad for a national level project
>>>>>>>
>>>>>>> https://gist.github.com/thejeshgn/2b50ce7fe45287152f55941bd8d76869

[datameet] Re: Sharing : Census 1991 _Village/Town Level PCA Data

[Sharad Lele]

We have been able to convert the SAS files for 1981 district data from 
Vannemann into csv files using R. I have posted them here. But cannot make 
out the format, because it seems quite complicated. You may have to refer 
to the codebook on the website. Also there may be errors in data 
conversion--let me know if you think there are.
https://drive.google.com/file/d/1Q2hNAOJsKjhsaUL1G_r-1rKllU-uR7HX/view?usp=sharing

Sharad

On Thursday, 25 October 2018 12:52:07 UTC+5:30, purnima...@gmail.com wrote:
>
> Hi all, 
>
> Thank you so much for sharing this data. I am a Phd student and have been 
> looking for this for a long time. Does anyone know if it is possible to 
> find the 1981 census data anywhere? The data is available on 
> http://vanneman.umd.edu/districts/files/index.html in SAS format but 
> unfortunately I do not have access to SAS and the convertors I have only 
> leave me with variable names and no data. 
>
> Thanks, 
> Purnima 
>
> On Friday, 31 August 2018 06:51:29 UTC+1, Sumit  wrote: 
> > Great! 
> > 
> > Sorry, I missed the first message. 
> > I will compare this with the one that I have cleaned. 
> > 
> > 
> > 
> > Sumit 
> > 
> > On Friday, 31 August 2018 10:50:43 UTC+5:30, Naraina aka Dilip Damle 
>  wrote: 
> > Hi sumit,  
> > 
> > and for the information of others  
> > 
> > I rechecked the link again I was talking about the same data . 
> > 
> > The difference in the data that I have shared now is that THIS DATA 
> for  1991 is at Village / Town level.  
> > 
> > 
> > On Friday, August 31, 2018 at 9:05:11 AM UTC+5:30, Sumit wrote: 
> > 
> > Hi Dilip and Karthik, 
> > 
> > 
> > I had shared the data on the forum a few years ago (Thejesh had created 
> a repo too; I can't find it now.). Resharing this - 
> https://sites.google.com/site/mishrasumitr/data?authuser=0 
> > Hope this helps. 
> > 
> > 
> > Sumit 
> > 
> > On Tuesday, 28 August 2018 19:44:10 UTC+5:30, Naraina aka Dilip Damle 
>  wrote: 
> > HI,  
> > 
> > The PCA 2001 and 2011 are available in STATA format and there is a link 
> somewhere on this group.  
> > I have got it from there.  
> > 
> > I am not sure but it may be in the Group repository. Please check.  
> > Better if someone else who knows about the repository answers. 
> > 
> > On Tuesday, August 28, 2018 at 7:37:27 PM UTC+5:30, Karthik Shashidhar 
> wrote: 
> > Thanks, Dilip, for making this available.  
> > 
> > 
> > I'm downloading this, and will let you know in case I find any issues.  
> > 
> > 
> > Is the PCA for the 2001 Census available in a similar format? 
> > 
> > 
> > Thanks much 
> > Karthik  
> > 
> > On Monday, 27 August 2018 19:58:39 UTC+1, Naraina aka Dilip Damle 
>  wrote: 
> > Hello,  
> > 
> > I think The Census 1991 PCA ... Primary Census Abstract data was not 
> available in a collated form anywhere.  
> > 
> > hence started working on this and have created combined files in csv 
> format using Data downloaded from Census website.  
> > 
> > Hers is the copy of the readme file that accompanies the data.  
> > 
> > 
> > == 
> > 
> > Reademe file for Census_1991_PCA Village/Town level data 
> > 
> > 
> > 
> > 
> > Source : Census of India Website : Digital Library 
> > 
> > 
> > Compiled by : Naraina Damle AKA Dilip Damle email : cadv...@gmail.com 
> > 
> > 
> > Files Included : 4  
> > 
> > 
> > All_India.csv 
> > All_states.csv 
> > PCA_URBAN.csv 
> > PCA_Rural.csv 
> > 
> > 
> > Process done  
> > The individual files were downloaded and cleaned for missing Codes/ 
> Names etc. and combined. 
> > The Total population was checked and verified at all the levels 
> > 
> > 
> > 
> > 
> > Changes done to data :  
> > 
> > 
> > 1. The state codes in individual files did not match the All India and 
> state level file. Changed them according to all india. 
> > 2. Some states do not have Block and Nyaya Panchayat code. Added blank/0 
> value filed there. 
> > 3. All codes except Location code changed to numeric format from padded 
> text format. 
> > 4. Added ISO state codes for easier identification. 
> > 5. Created Unique record_ID using ISO State codes and Locationcode 
> > 6. No change done to any Data beyond and including the place name  
> > 
> > 
> > Possible errors : 
> > 
> > 
> > There could still be some missing Names of Districts/Tehsils etc. 
> > 
> > 
> > 
> > 
> > Further improvments will be done later. 
> > 
> > 
> > 
> > 
> > Released this Version on 28August2018 
> > 
> > 
> > May edit this file later with more specific cleaning done.  
> > 
> > 
> >  
> > 
> > 
> > Hers is the googeldrive link to the data : 
> https://drive.google.com/drive/folders/1CNh5oaX3efZbW4yo8GXqbufjy57cMR09?usp=sharing
>  
> > 
> > I request interested people to have a look at it and we will rectify any 
> shortcomings and then load it in the repository.  
> > 
> > If you need the MS Access file which I used to work with this data then 
> send me a private mail. 
>

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Datameet is a community of Data Science enthusiasts in India. 

Re: [datameet] Cauvery River Map Data

[Sharad Lele]

Hi Thejesh: Correct me if I am wrong: This seems to be a map only of the 
river course itself. Not a map of the basic boundaries? The latter would be 
very useful too.

Sharad

On Sunday, February 10, 2019 at 1:42:32 PM UTC+5:30, Thejesh GN wrote:
>
> Noted.
>
> May be i will do an how-to post.
>
> Also may be a good idea to add these maps to datameet github.
>
>
> Regards,
> Thej
>
> Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ.ಎನ್
> http://thejeshgn.com
> 
>
> On Sun 10 Feb, 2019, 13:36 Arun Ganesh  
> wrote:
>
>>
>>
>> On Sun, Feb 10, 2019 at 9:52 AM Thejesh GN > > wrote:
>>
>>> I found tools to convert to geojson. But 
>>> couldn't understand the projection system. What projection does it use?
>>>
>>
>> Note that you can add &outSR=4326 to the Arc Server request to get the 
>> coordinates in the usual WGS84 projection 
>>
>>  
>>
>>> Regards,
>>> Thej
>>>
>>> Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ.ಎನ್
>>> http://thejeshgn.com
>>> 
>>>
>>> On Sun 10 Feb, 2019, 02:26 Arun Ganesh  
>>> wrote:
>>>
 Fixed the projection coordinates and converted to geojson: 
 https://gist.github.com/planemad/9141c28f227e3b63c6a800ac436a0ab2

 On Sat, Feb 9, 2019 at 10:21 PM Arun Ganesh >>> > wrote:

> Found the geometry in one of the requests: 
>
>
> http://india-wris.nrsc.gov.in/ArcGIS/rest/services/SubInfoSysLCC/River_SO/MapServer/14/query?f=json&where=RIVNAME%20in%20(%27Cauvery%27)&returnGeometry=true&spatialRel=esriSpatialRelIntersects&outFields=RIVNAME%2CORIGIN%2CSHAPE.LEN%2CMAJOR_TRIBUTARY&callback=dojo.io.script.jsonp_dojoIoScript7._jsonpCallback
>
> Its supposed to be in a format called ArcGIS JSON. Not sure how one 
> would get a geoJSON
>
> On Sat, Feb 9, 2019 at 12:56 AM Thejesh GN  > wrote:
>
>> Hello All,
>>
>> Cauvery river data is here
>> http://www.india-wris.nrsc.gov.in/wrpinfo/index.php?title=Cauvery
>>
>> I have extracted the map part here
>> https://gist.github.com/thejeshgn/833dd94efde89f37ccb6df5a5e0ba55b
>>
>> you can see it here
>> http://bl.ocks.org/thejeshgn/833dd94efde89f37ccb6df5a5e0ba55b
>>
>> River data itself is coming from 
>>
>> http://india-wris.nrsc.gov.in/ArcGIS/rest/services/Common/Watershed/MapServer
>>
>> Is there an easy way to extract it as shapefile or geojson? 
>>
>> Else I will write a script...
>>
>> Regards,
>> Thej
>> --
>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>> http://thejeshgn.com
>> GPG ID :  0xBFFC8DD3C06DD6B0
>>
>> -- 
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>> more about us by visiting http://datameet.org
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Re: [datameet] Re: Correct CRS for datameet maps

[Sharad Lele]

Devdatta's summary was short and sweet, and practical. To add to it: 

1. The NNRMS CRS suggested seems to be in Lambert Conformal Conic 
projection (with WGS84 ellipsoid and datum). An alternative to it is the 
UTM projection system, which keeps longitudes parallel, and gives 
reasonably accurate area estimate. The particular UTM zone one may use 
varies by which part of India one is in.
2. In common parlance, 'unprojected' means having no Coordinate Reference 
System at all. In GIS parlance, 'unprojected' may be understood as 
'geographic' CRS, that is, in lat-long rather than in metres. I presume 
Ashim means 'having no CRS' at all. Whether one's map needs a CRS or not 
depends upon what use one wants to put it to (and hence how accurate it 
must be) and its size. A map of a 60'x40' piece of land does not require a 
CRS if the purpose is house construction. It may require a CRS if one is 
setting up a telescope on it which will do interferometry with another 
telescope 500km away. A map of even a layout or a village or small town may 
not need a CRS if one wants approximate locations/directions to navigate 
visually (old style). It will need a CRS if one wants to use a GPS to 
navigate.
If, Ashim, you mean 'geographic' vs 'projected' system, the answer is 
different: geographic is useful for representation, easy to understand 
(lat-long concept), but not to be used for calculating distances and areas.

Hope this helps. Devdatta and others: please correct/supplement.
Sharad

On Tuesday, April 16, 2019 at 3:38:08 PM UTC+5:30, Ashim wrote:
>
> Dear All,
>
> I have a small query on similar lines. When do we use  UNPROJECTED maps ? 
> I understand that to go from 3D to 2D we need a projection. When is it 
> reasonable to use an unprojected map?
>
> Many thanks,
> Ashim
>
> On Tue, Apr 16, 2019 at 12:12 PM Ashim Kapoor  > wrote:
>
>> Dear Devdatta and Nikhil,
>>
>> I attended a R GIS school where the teachers were from France and they 
>> were using CRS 2154. They told us that they were not familiar with the CRS 
>> for Indian maps.
>>
>> I used 2154 thinking that it would not make much  of a difference, but I 
>> was wrong. My apologies for the confusion. When I used that on Indian ( 
>> datameet ) shapefiles,I got this : map1.png ( see attachment ) 
>>
>> I have also attached the R code to create these maps from the Datameet 
>> District level ( 2011 ) shapefiles. I have created map2.png and map3.png 
>> from crs = 3857 / 7755 respectively.
>>
>> I also found this : 
>> https://epsg.io/?q=india
>>
>> Which is confusing because many CRS are there for India. Why do we have 
>> so many choices of CRS for India ? 
>>
>> I guess for the time being I will use 7755.
>>
>> Many thanks to Devdatta and Nikhil for their help.
>> Best Regards,
>> Ashim
>>
>>
>>
>> On Tue, Apr 16, 2019 at 11:42 AM Nikhil VJ > > wrote:
>>
>>> Hi Ashim,
>>>
>>> Pls provide the exact link of what you're referring - this stuff is 
>>> never as much on the top of people's minds as we assume it to be.
>>> Do try loading your shapefiles on other tools and check there : 
>>> mapshaper.org is a site that does a lot of quick, cool things with 
>>> shapefiles; QGIS is a software that does everything with shapefiles. Both 
>>> are free and open source.
>>>
>>> The latter will help you re-save the shapefile into any CRS you want. 
>>> Right-click the layer > Save As (or "Export") and remember to choose your 
>>> preferred CRS in the dropdown.
>>>
>>> Can you give background on what this CRS : *2154* : is and why you want 
>>> to transform to that? Because I've only come across two main CRS's both 
>>> being under the "WSG 84" category : 
>>> - EPSG 4326 : this makes everything in latitude longitude
>>> - EPSG 3857 : this makes everything in meters from the equator (I think) 
>>> and we need to get the data in this format when we want to do things in 
>>> physical distance terms like making a 1km distance buffer or measuring areas
>>>
>>> I haven't learned GIS stuff from theory, I just use it, so don't know 
>>> more details about CRS. I do understand that the dizzying multitude of 
>>> CRS's out there are so because apparently GIS folks like to re-orient the 
>>> center of the world (geometrically speaking) to where their data is to 
>>> ensure least distortion of their shapes in the rendering. When I come 
>>> across anything that's in a non-standard CRS, my first move is to transform 
>>> it to either lat-longs (4326) or meters (3857).
>>>
>>> Regards
>>> Nikhil VJ
>>>
>>>
>>> On Monday, April 15, 2019 at 1:57:20 PM UTC+5:30, Ashim wrote:

 Dear All,

 I am referring to 2011_Dist. * set of shapefile. (District level 
 shapefiles).

 When I read them as simple features in R, ( like this ) 

 map <- st_read("2011_Dist.shp") %>% st_as_sf()

 ( it's unprojected because it says 4326 in the epsg when I read the 
 above )

 plot(map$geometry)

 it looks OK.

 But when I do : 

>>

Re: [datameet] Re: India Shape Files

[Sharad Lele]

Arjuna and others: These are layers that one can view via GoogleEarth, but
not really downloadable right? Like I tried to look at the Kodagu lulc
layer. Seems reasonably accurate. But don't know the year or the legend.
Where would this info be? and is there a way to download the layer as a
shapefile?

On Fri, 9 Aug 2019 at 19:24, Arjuna Rao Chavala 
wrote:

>
> Hi Sridhar,
>
> On Tuesday, August 6, 2019 at 9:06:21 AM UTC+5:30, Sridhar wrote:
>>
>> bhuvannuis.nrsc.gov.in : There is no domain with this name or it is not
>> publicly accessible.
>>
>
> Try this  and select layer preview
> https://bhuvan-vec1.nrsc.gov.in/bhuvan/web/
>
> Thanks
> Arjuna
>
>>
>> On Monday, 5 August 2019 17:50:45 UTC+5:30, S.Rashmita Patro wrote:
>>>
>>> Hi All,
>>>
>>> I am trying to access the
>>> http://bhuvannuis.nrsc.gov.in/bhuvan/web/?wicket:bookmarkablePage=:org.geoserver.web.demo.MapPreviewPage
>>>  link
>>> and its not working.
>>>
>>> Any suggestions?
>>>
>>> Best,
>>> *S Rashmita Patro*
>>>
>>>
>>>
>>>
>>>
>>> On Sun, Oct 28, 2018 at 11:58 AM Arun Ganesh  wrote:
>>>
>>>> The various village/taluk shapefile layers are available in the Bhuvan
>>>> GeoServer layer listing:
>>>>
>>>>
>>>> http://bhuvannuis.nrsc.gov.in/bhuvan/web/?wicket:bookmarkablePage=:org.geoserver.web.demo.MapPreviewPage
>>>>
>>>> Search for 'vill' for village boundaries by state. Search for 'taluk'
>>>> for all taluk boundaries. Note that the page gives a timeout error if you
>>>> take more than a few seconds and you need to start over. Since WFS export
>>>> is disabled, you can use the GeoRSS option to download the shape.
>>>>
>>>> The one issue is that the attributes are encoded as an html string and
>>>> needs to be parsed out. Nikhil has a great python script to do this:
>>>> https://github.com/answerquest/asi-monuments-xml2csv/blob/master/asi-monuments2.ipynb
>>>> but needs to be customized for each layer.
>>>>
>>>>
>>>>
>>>> On Fri, May 11, 2018 at 1:48 PM Sharad Lele  wrote:
>>>>
>>>>> Hi Thejesh:
>>>>>
>>>>> Did you ever manage to convert the data into a polygon file? I could
>>>>> not follow the technical intricacies of what you were discussing with
>>>>> Palash, but certainly the original json file posted by him did not contain
>>>>> the polygons and could not be imported into QGIS. Do you now have one 
>>>>> which
>>>>> can be? And is it good quality?
>>>>>
>>>>> Sharad
>>>>>
>>>>> On Friday, January 20, 2017 at 6:24:51 PM UTC+5:30, Thejesh GN wrote:
>>>>>>
>>>>>> Imported into mongo to do some initial analysis[1].
>>>>>>
>>>>>> Will do some more analysis.
>>>>>>
>>>>>>
>>>>>> > db.states.count()
>>>>>> 36
>>>>>> > db.districts.count()
>>>>>> 672
>>>>>> > db.taluks.count()
>>>>>> 5960
>>>>>> > db.villages.count()
>>>>>> 522291
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> [1]
>>>>>> https://gist.github.com/thejeshgn/ea0074077b6fcd6c0108b2a4380fc354
>>>>>>
>>>>>> Thej
>>>>>> --
>>>>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>>>>> http://thejeshgn.com
>>>>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>>>>
>>>>>> On 20 January 2017 at 17:03, Palash Kulshrestha 
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Thejesh
>>>>>>> Thanks for the heads up, I wasn't aware of the underlying
>>>>>>> architecture which is used in geo systems. So wasn't able to understand 
>>>>>>> the
>>>>>>> layers data. And now I am able to understand how they come up with 
>>>>>>> polygon
>>>>>>> on the map. Other wise I was thinking that they somehow came up random
>>>>>>> shapes using min max x,y.
>>>>>>>
>>>>>>> I'm looking into the new api that you have provided and see w

[datameet] BhuNaksha: source of cadastral maps

[Sharad Lele]

Dear All,
I have discovered a source of cadastral maps for several states. This is 
mostly under the BhuNaksha initiative of NIC. They seem to have created 
separate websites for each state. Don't know for how many. I have found:

Maharashtra: https://mahabhunakasha.mahabhumi.gov.in/bhunaksha/27/index.jsp
Madhya Pradesh: http://www.mpbhuabhilekh.nic.in/
Chhattisgarh: https://bhunaksha.cg.nic.in/#home-pane  (DOES NOT WORK RIGHT 
NOW)
Odisha: http://bhunakshaodisha.nic.in/bhunaksha/

The BhuNaksha websites have a common format: you can choose district, 
taluka and village, and then the village cadastral map shows up (its in png 
format). You can click on a plot/parcel, and it will show the details of 
that plot: area, owner name, etc. You can generate  pdf report for that 
parcel. 

Maharashtra version had added ability to show you the cadastral map in 
geo-rectified mode on top of a google-earth-like satellite image--quite 
useful.

CATCH: a) the names of district, taluka, village etc are IN THE STATE 
SCRIPT: so devanagari for MP & Maha & CG, but Odiya for Odisha. So if you 
don't read that script--you are sunk
b) in most states (except Maharashtra!), it is not enough to know the 
district, taluka and village name. Within a taluka, you have know Revenue 
Inspector and then something called 'halka', and then choose from the 
villages within that halka. If you don't know this (RI and halka), you have 
to do brute force: search in each halka in each RI! (typical sarkari 
rubbish: not wanting common people to actually use the website!).

Karnataka seems to have its own initiative: 
https://www.landrecords.karnataka.gov.in/service3/
Here, you can actually download pdfs of each cadastral map, and in some 
cases, even the KML! And searching for the village is district, taluka and 
then village.

Hope this helps.

I am sure there are more such websites for other states. Please look up and 
share.

Sharad

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[datameet] Re: BhuNaksha: source of cadastral maps

[Sharad Lele]

More Information on Bhu Naksha initative is avaliable at:

https://bhunaksha.nic.in/bhunaksha/implementationstatus.jsp

(Thanks to Naveen Francis for sharing this link)


On Friday, 13 December 2019 19:09:02 UTC+5:30, Sharad Lele wrote:
>
> Dear All,
> I have discovered a source of cadastral maps for several states. This is 
> mostly under the BhuNaksha initiative of NIC. They seem to have created 
> separate websites for each state. Don't know for how many. I have found:
>
> Maharashtra: 
> https://mahabhunakasha.mahabhumi.gov.in/bhunaksha/27/index.jsp
> Madhya Pradesh: http://www.mpbhuabhilekh.nic.in/
> Chhattisgarh: https://bhunaksha.cg.nic.in/#home-pane  (DOES NOT WORK 
> RIGHT NOW)
> Odisha: http://bhunakshaodisha.nic.in/bhunaksha/
>
> The BhuNaksha websites have a common format: you can choose district, 
> taluka and village, and then the village cadastral map shows up (its in png 
> format). You can click on a plot/parcel, and it will show the details of 
> that plot: area, owner name, etc. You can generate  pdf report for that 
> parcel. 
>
> Maharashtra version had added ability to show you the cadastral map in 
> geo-rectified mode on top of a google-earth-like satellite image--quite 
> useful.
>
> CATCH: a) the names of district, taluka, village etc are IN THE STATE 
> SCRIPT: so devanagari for MP & Maha & CG, but Odiya for Odisha. So if you 
> don't read that script--you are sunk
> b) in most states (except Maharashtra!), it is not enough to know the 
> district, taluka and village name. Within a taluka, you have know Revenue 
> Inspector and then something called 'halka', and then choose from the 
> villages within that halka. If you don't know this (RI and halka), you have 
> to do brute force: search in each halka in each RI! (typical sarkari 
> rubbish: not wanting common people to actually use the website!).
>
> Karnataka seems to have its own initiative: 
> https://www.landrecords.karnataka.gov.in/service3/
> Here, you can actually download pdfs of each cadastral map, and in some 
> cases, even the KML! And searching for the village is district, taluka and 
> then village.
>
> Hope this helps.
>
> I am sure there are more such websites for other states. Please look up 
> and share.
>
> Sharad
>

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[datameet] Chhattisgarh village layers online (webportal)

[Sharad Lele]

Just sharing that, just like the Maharashtra GIS portal 
(http://mrsac.maharashtra.gov.in/geoportal/), a portal for Chhattisgarh 
seems to be up and running

https://stategisportal.nic.in/stategisportal/Chhatisgarh_BharatMaps/map.aspx

It is way more clunky than the MRSAC one (don't know how CG got some 
e-governance award for this portal), but still, something better than 
nothing. Displays village boundaries.

If anyone can figure out a way to download the village boundary layer, 
please post.

Sharad

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[datameet] Re: Need Block Level Map of Bihar

[Sharad Lele]

Manish,
please clarify: ward level for which town/city? There is nothing like a 
ward-level file for the whole state...

On Tuesday, 18 February 2020 18:04:05 UTC+5:30, Sirod Kumar MANISH wrote:
>
> Hi sandeep ,
>
> i also need shape file of bihar at ward level. Please help me
>
> On Friday, October 13, 2017 at 3:00:21 PM UTC+5:30, Sandeep Kumar wrote:
>>
>> On Wednesday, 12 July 2017 20:31:15 UTC+5:30, santosh kumar  wrote: 
>> > Dear All, 
>> > This is Dr. Santosh Kumar Erasmus Mundus Fellow in Public Health in 
>> Disasters. I am trying to do spatio Temporal Modeling n Effect of Flood on 
>> Health in Bihar for which I need block level shape file of Bihar 
>> > 
>> > I have downloaded one from net but is quite old and only provide about 
>> 1/10 of Blocks in Bihar. 
>> > 
>> > ISRO block level maps are available to only Indian organization and 
>> since I am doing my fellowship from Brussels I donot have access to this 
>> shape fule. 
>> > 
>> > Can any one help for my academic reasons, 
>> > 
>> > With regards, 
>> > Santosh 
>> > Erasmus MUndus Fellow in Pubic Health in DIsasters 
>> > Ex Associate Professor, IIHMR University, Jaipur, India 
>>
>> Hi Sir i can help you with it think i have that available. 
>>
>> Sandeep Kumar 
>> +919494297947 | sandeep...@gmail.com
>
>

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[datameet] State GIS Portals

[Sharad Lele]

Found this website from where you can reach most of the state GIS portals:

https://stategisportal.nic.in/stategisportal/

The state portals appear to have a similar format, with some variations. 
Nothing is downloadable (of course!).

Sharad

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[datameet] Re: Taluka level maps data

[Sharad Lele]

Also check out:

https://sedac.ciesin.columbia.edu/

On Saturday, 18 April 2020 07:43:25 UTC+5:30, Naveen Francis wrote:
>
>
> https://wiki.openstreetmap.org/wiki/Subdistricts_in_India
>
> On Friday, 17 April 2020 21:55:53 UTC+5:30, Mitul Jhaveri wrote:
>>
>> Folks, 
>>
>> Would anyone of you have a csv file with Taluka name, District Name, 
>> Polygon ID, Sub-polygon ID and point orders for all talukas in India? 
>>
>> Please let me know.
>>
>> Best,
>> Mitul 
>>
>

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[datameet] Re: BhuNaksha: source of cadastral maps

[Sharad Lele]

Dear All,
A followup question addressed to everyone on the DATAMEET group:

Can someone write code to help download a large number of cadastral maps 
from a Bhunaksha website (in our case Chhattisgarh)? As you know, the 
website /portal is awkwardly organized: not only are the maps in png format 
(which is okay) but they don't have individual file names, and one has to 
access each village separately by choosing it from a list within a taluka 
(and within that some Revenue Inspector category).

Can someone write code to download and tag a bunch of maps automatically? 
Say for one whole taluka?

Sharad

On Friday, 13 December 2019 19:09:02 UTC+5:30, Sharad Lele wrote:
>
> Dear All,
> I have discovered a source of cadastral maps for several states. This is 
> mostly under the BhuNaksha initiative of NIC. They seem to have created 
> separate websites for each state. Don't know for how many. I have found:
>
> Maharashtra: 
> https://mahabhunakasha.mahabhumi.gov.in/bhunaksha/27/index.jsp
> Madhya Pradesh: http://www.mpbhuabhilekh.nic.in/
> Chhattisgarh: https://bhunaksha.cg.nic.in/#home-pane  (DOES NOT WORK 
> RIGHT NOW)
> Odisha: http://bhunakshaodisha.nic.in/bhunaksha/
>
> The BhuNaksha websites have a common format: you can choose district, 
> taluka and village, and then the village cadastral map shows up (its in png 
> format). You can click on a plot/parcel, and it will show the details of 
> that plot: area, owner name, etc. You can generate  pdf report for that 
> parcel. 
>
> Maharashtra version had added ability to show you the cadastral map in 
> geo-rectified mode on top of a google-earth-like satellite image--quite 
> useful.
>
> CATCH: a) the names of district, taluka, village etc are IN THE STATE 
> SCRIPT: so devanagari for MP & Maha & CG, but Odiya for Odisha. So if you 
> don't read that script--you are sunk
> b) in most states (except Maharashtra!), it is not enough to know the 
> district, taluka and village name. Within a taluka, you have know Revenue 
> Inspector and then something called 'halka', and then choose from the 
> villages within that halka. If you don't know this (RI and halka), you have 
> to do brute force: search in each halka in each RI! (typical sarkari 
> rubbish: not wanting common people to actually use the website!).
>
> Karnataka seems to have its own initiative: 
> https://www.landrecords.karnataka.gov.in/service3/
> Here, you can actually download pdfs of each cadastral map, and in some 
> cases, even the KML! And searching for the village is district, taluka and 
> then village.
>
> Hope this helps.
>
> I am sure there are more such websites for other states. Please look up 
> and share.
>
> Sharad
>

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[datameet] yadagiri dsitrict LULC maps

[Sharad Lele]

Shapefiles are difficult to come by. Bhuvan WMS service gives reasonable map 
for viewing...

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[datameet] Re: 2001 village and town boundaries

[Sharad Lele]

Dear Mark,
Happy to know about your interest. I am also quite interested in these 
issues, having worked on 1991, 2001 and 2011 census datasets and their 
spatial representation (at least for Karnataka and some other states). 
There are many issues, both with the census datasets themselves and with 
the spatial boundary datasets released by Meiyyappan et al. I may not be 
able to lay out everything immediately, because of being in the throes of 
some deadlines, but hope to go through your writeup and respond a bit 
later--maybe mid-June, if that is okay with you.

Best,
Sharad

On Sunday, May 31, 2020 at 1:09:24 AM UTC+5:30, Mark Montgomery wrote:
>
> Let me introduce myself to the group in this way: I am an Economics 
> professor at Stony Brook University in New York, with a long-time interest 
> in Indian urbanization. I am also keen to see as much as possible of the 
> spatial and socioeconomic detail on urbanization placed in the public 
> domain. Toward that end, colleagues and I have been knitting together the 
> 2001 and 2011 primary census abstracts (PCAs) that the Indian census 
> authorities have made available on the census website and incorporating 
> published data from the District Census Handbooks, all of these at the 
> level of individual settlements with coverage of wards for the PCAs. Our 
> aim is to create an integrated and publicly-accessible database based only 
> on publicly-available sources. As you would know very well, the spatial 
> side of the task is more challenging for 2001 than 2011.
>
> At the moment, I seek your guidance on the remarkable DataMeet collection 
> of polygons for villages, census towns, and statutory urban centers, to 
> which a number of you have contributed months or even years of effort. I 
> have linked your spatial records to the PCA identifiers (including 
> subdistrict and district) and in the process have come across some issues 
> (mainly concerning the vintages of the maps that were used, and various 
> oddities regarding identifiers) that some of you may know about. My own 
> spatial work uses R, but I am happy to share these results with the group 
> in other spatial formats (for instance, as geojson or geopackage files). 
> The next steps I have in mind are to compare the DataMeet polygons with the 
> often-mentioned Meiyappan et al. (2018) polygons that have been publicly 
> available at the Socioeconomic Data Applications Center (SEDAC) site since 
> 2018, and with a lesser-known but evidently high-quality collection of 2001 
> point coordinates for villages and some hamlets assembled by a University 
> of Tokyo history professor and available on his website.
>
> I'm attaching a short pdf that explains these three public-domain sources 
> (with links to the SEDAC and Univ. of Tokyo sources, and with a critical 
> review of aspects of those spatial datasets), and which in particular lays 
> out some of the issues I've encountered with the DataMeet collection. (I've 
> yet to get to grips with the Karnataka data for 1991, and with the 
> Rajasthan data that I believe are for 2011 or later.) I would be really 
> grateful for criticism and suggestions!
>

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[datameet] KMLs of 41 coal mining blocks up for privatization

[Sharad Lele]

Does anyone have the KMLs of these 41 coal mining blocks opened up for 
privatization?
I see that 
https://mangomap.com/olivecreative/maps/45303/india-s-coal-mines-and-forests# 
has the maps. But cannot download any data or see which is which block. Can 
anyone help with more detail?
Sharad

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Re: [datameet] mumbai district boundary

[Sharad Lele]

All national, state, district, & taluka boundaries for India are available 
on the GADM website. 
https://gadm.org/download_country_v3.html
Here is the district layer (from my G-drive):
https://tinyurl.com/y8mzhj66

Hope this helps.
Sharad



On Wednesday, July 8, 2020 at 8:09:57 PM UTC+5:30, Akhandalamani Mohapatra 
wrote:
>
> I will be send you very soon.
>
> On Tue, Jul 7, 2020 at 10:57 PM rvc > 
> wrote:
>
>> Hi all, i am looking for Mumbai district boundary vector data. Any 
>> suggestions in this regard will be helpful. 
>>
>> Thanks
>> Ravi
>>
>> -- 
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>>  
>> 
>> .
>>
>

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Re: [datameet] Re: Map Digitalization Effort

[Sharad Lele]

Requesting Rohith to move this conversation to a new thread with its own 
accurate subject header, not keep it under "Map digitization effort"

On Wednesday, July 8, 2020 at 8:10:03 PM UTC+5:30, TEJ CHAVDA wrote:
>
> can u give me a geo-reference map Boundary Or map or something  I'll 
> digitize ward boundary for u ...
>
>
> *Tej Chavda (PG191052)*
>
> Pursuing M.Tech In Geomatics (2nd Semester),
> Centre for Environmental Planning and Technology (CEPT University), 
> KL Campus, University Road, Navrangpura, Ahmedabad - 380009
>
> Contact Number : 8866440170
>
> Email id: tejp400...@gmail.com 
>tej.pg191052...@cept.ac.in 
>
>
> On Tue, Jul 7, 2020 at 8:19 PM Rohith John  > wrote:
>
>> Can someone help me in getting the ward shape file of Indore .
>>
>> On Friday, December 18, 2015 at 12:16:12 PM UTC+5:30, Nisha Thompson 
>> wrote:
>>>
>>> Hi All,
>>>
>>> There have been tons of threads on getting more local area maps. So lets 
>>> try to work together and get it done.
>>>
>>> We started a github wiki to collect links to PDFs we have found that 
>>> need to be digitalized.
>>>
>>>
>>> https://github.com/datameet/maps/wiki/Maps-we-found-that-need-to-be-digitalized
>>> .
>>>
>>> How should we do this? Who can help?
>>>
>>> I think we do some skill sharing hangouts on how to digitalize if people 
>>> are interested and slowly work on freeing sets of maps. 
>>>
>>> What do you all think?
>>>
>>> Nisha
>>>
>>> -- 
>>> Nisha Thompson
>>> DataMeet.org
>>> ni...@datameet.org
>>> skype: nishaqt
>>> mobile: 962-061-2245
>>>
>>>
>>> -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>>  
>> 
>> .
>>
>
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[datameet] Older Census handbooks

[Sharad Lele]

Folks, till recently, I used to access older Census Handbooks (1981, 1991 
and even earlier) from this link:

lsi.gov.in:8081/jspui/handle/123456789/1


Now this link has stopped working. Any suggestions? Alternate links? 
Corrections?

Thanks.
Sharad 

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Re: [datameet] DOS release Remote Sensing Policy 2020 draft for public comment

[Sharad Lele]

I agree with you, Ujaval. Getting 5.6m data in the public domain will be a 
big boost. 

But I am curious to know from others what their experience has been with 
the quality of this 5.6m (IRS P6) data. For instance, I found the spectral 
quality to be rather poor: it boasts of being 10-bit but all the data are 
clustered in a 7-bit space. So we had to go back to coarser Landsat-8 
because it gave better spectral quality (not just more bands).

On the rest of the policy: I am wondering why they say nothing about 
drones, about UAV-based LIDAR, and so on, which are really the cutting-edge 
these days, are they not?

Sharad

On Friday, November 27, 2020 at 8:13:01 PM UTC+5:30 
uja...@spatialthoughts.com wrote:

> Hi Sharad,
>
> Thanks for sharing. From the perspective of sharing ISRO's own data, the 
> policy says 
>
> " In the interest of promoting research, innovation, societal applications 
> and value addition, DOS shall make IRS satellite data having GSD of 5 meter 
> and coarser, easily accessible on ‘free and open’ basis. "
>
> I think this is really good. As the best open remote sensing multispectral 
> data currently is Sentinel-2 (10m), ISRO sharing LISS4 (5.6m) data puts 
> them ahead of USGS and ESA. Of course, the concern would be the 
> implementation and how fast they can make that data available. My comment 
> here would that they adopt a true open data license for this data, like 
> Government Open Data License.
>
> [image: Logo] <https://spatialthoughts.com/> 
> Ujaval Gandhi
> Spatial Thoughts
> mobile: +91-8095684687 <+91%2080956%2084687>
> email: uja...@spatialthoughts.com
> [image: LinkedIn icon] <https://www.linkedin.com/in/spatialthoughts/>  
> [image: 
> Twitter icon] <https://twitter.com/spatialthoughts>  
>
>
>
> On Fri, Nov 27, 2020 at 7:33 PM Thejesh GN  wrote:
>
>> Thank you for sharing. We should send out comments as community.
>> Thej
>> --
>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>> http://thejeshgn.com
>> GPG ID :  0xBFFC8DD3C06DD6B0
>>
>>
>> On Fri, 27 Nov 2020 at 19:30, Sharad Lele (शरच्चंद्र लेले) <
>> shara...@gmail.com> wrote:
>>
>>> Please read and comment.
>>>
>>>
>>> https://www.isro.gov.in/sites/default/files/spacers_policy_ngp_2020_draft.pdf
>>>
>>> Sharad
>>>
>>> -- 
>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>> about us by visiting http://datameet.org
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>>> You received this message because you are subscribed to the Google 
>>> Groups "datameet" group.
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>>> an email to datameet+u...@googlegroups.com.
>>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/datameet/e9221cdf-1e29-9f26-cd5a-1b031ba51761%40gmail.com
>>> .
>>>
>> -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>> "datameet" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to datameet+u...@googlegroups.com.
>>
> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com
>>  
>> <https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com?utm_medium=email&utm_source=footer>
>> .
>>
>

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Re: [datameet] DOS release Remote Sensing Policy 2020 draft for public comment

[Sharad Lele]

Btw, I will be appearing on Rajya Sabha TV tomorrow at 1pm with MoES Secy 
for a panel discussion on this new policy. So do send in more comments 
tonight/tomorrow morning, AND listen in on that discussion. 

On Friday, November 27, 2020 at 10:14:16 PM UTC+5:30 Sharad Lele wrote:

> I agree with you, Ujaval. Getting 5.6m data in the public domain will be a 
> big boost. 
>
> But I am curious to know from others what their experience has been with 
> the quality of this 5.6m (IRS P6) data. For instance, I found the spectral 
> quality to be rather poor: it boasts of being 10-bit but all the data are 
> clustered in a 7-bit space. So we had to go back to coarser Landsat-8 
> because it gave better spectral quality (not just more bands).
>
> On the rest of the policy: I am wondering why they say nothing about 
> drones, about UAV-based LIDAR, and so on, which are really the cutting-edge 
> these days, are they not?
>
> Sharad
>
> On Friday, November 27, 2020 at 8:13:01 PM UTC+5:30 
> uja...@spatialthoughts.com wrote:
>
>> Hi Sharad,
>>
>> Thanks for sharing. From the perspective of sharing ISRO's own data, the 
>> policy says 
>>
>> " In the interest of promoting research, innovation, societal 
>> applications and value addition, DOS shall make IRS satellite data having 
>> GSD of 5 meter and coarser, easily accessible on ‘free and open’ basis. "
>>
>> I think this is really good. As the best open remote sensing 
>> multispectral data currently is Sentinel-2 (10m), ISRO sharing LISS4 (5.6m) 
>> data puts them ahead of USGS and ESA. Of course, the concern would be the 
>> implementation and how fast they can make that data available. My comment 
>> here would that they adopt a true open data license for this data, like 
>> Government Open Data License.
>>
>> [image: Logo] <https://spatialthoughts.com/> 
>> Ujaval Gandhi
>> Spatial Thoughts
>> mobile: +91-8095684687 <+91%2080956%2084687>
>> email: uja...@spatialthoughts.com
>> [image: LinkedIn icon] <https://www.linkedin.com/in/spatialthoughts/>  
>> [image: 
>> Twitter icon] <https://twitter.com/spatialthoughts>  
>>
>>
>>
>> On Fri, Nov 27, 2020 at 7:33 PM Thejesh GN  wrote:
>>
>>> Thank you for sharing. We should send out comments as community.
>>> Thej
>>> --
>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>> http://thejeshgn.com
>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>
>>>
>>> On Fri, 27 Nov 2020 at 19:30, Sharad Lele (शरच्चंद्र लेले) <
>>> shara...@gmail.com> wrote:
>>>
>>>> Please read and comment.
>>>>
>>>>
>>>> https://www.isro.gov.in/sites/default/files/spacers_policy_ngp_2020_draft.pdf
>>>>
>>>> Sharad
>>>>
>>>> -- 
>>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>>> about us by visiting http://datameet.org
>>>> --- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "datameet" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to datameet+u...@googlegroups.com.
>>>> To view this discussion on the web visit 
>>>> https://groups.google.com/d/msgid/datameet/e9221cdf-1e29-9f26-cd5a-1b031ba51761%40gmail.com
>>>> .
>>>>
>>> -- 
>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>> about us by visiting http://datameet.org
>>> --- 
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>>> an email to datameet+u...@googlegroups.com.
>>>
>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com
>>>  
>>> <https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>

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Re: [datameet] DOS release Remote Sensing Policy 2020 draft for public comment

[Sharad Lele]

Rajya Sabha TV just now called saying the programme got cancelled. Typical 
of them. 

On Friday, November 27, 2020 at 10:15:42 PM UTC+5:30 Sharad Lele wrote:

> Btw, I will be appearing on Rajya Sabha TV tomorrow at 1pm with MoES Secy 
> for a panel discussion on this new policy. So do send in more comments 
> tonight/tomorrow morning, AND listen in on that discussion. 
>
> On Friday, November 27, 2020 at 10:14:16 PM UTC+5:30 Sharad Lele wrote:
>
>> I agree with you, Ujaval. Getting 5.6m data in the public domain will be 
>> a big boost. 
>>
>> But I am curious to know from others what their experience has been with 
>> the quality of this 5.6m (IRS P6) data. For instance, I found the spectral 
>> quality to be rather poor: it boasts of being 10-bit but all the data are 
>> clustered in a 7-bit space. So we had to go back to coarser Landsat-8 
>> because it gave better spectral quality (not just more bands).
>>
>> On the rest of the policy: I am wondering why they say nothing about 
>> drones, about UAV-based LIDAR, and so on, which are really the cutting-edge 
>> these days, are they not?
>>
>> Sharad
>>
>> On Friday, November 27, 2020 at 8:13:01 PM UTC+5:30 
>> uja...@spatialthoughts.com wrote:
>>
>>> Hi Sharad,
>>>
>>> Thanks for sharing. From the perspective of sharing ISRO's own data, the 
>>> policy says 
>>>
>>> " In the interest of promoting research, innovation, societal 
>>> applications and value addition, DOS shall make IRS satellite data having 
>>> GSD of 5 meter and coarser, easily accessible on ‘free and open’ basis. "
>>>
>>> I think this is really good. As the best open remote sensing 
>>> multispectral data currently is Sentinel-2 (10m), ISRO sharing LISS4 (5.6m) 
>>> data puts them ahead of USGS and ESA. Of course, the concern would be the 
>>> implementation and how fast they can make that data available. My comment 
>>> here would that they adopt a true open data license for this data, like 
>>> Government Open Data License.
>>>
>>> [image: Logo] <https://spatialthoughts.com/> 
>>> Ujaval Gandhi
>>> Spatial Thoughts
>>> mobile: +91-8095684687 <+91%2080956%2084687>
>>> email: uja...@spatialthoughts.com
>>> [image: LinkedIn icon] <https://www.linkedin.com/in/spatialthoughts/>  
>>> [image: 
>>> Twitter icon] <https://twitter.com/spatialthoughts>  
>>>
>>>
>>>
>>> On Fri, Nov 27, 2020 at 7:33 PM Thejesh GN  wrote:
>>>
>>>> Thank you for sharing. We should send out comments as community.
>>>> Thej
>>>> --
>>>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>>>> http://thejeshgn.com
>>>> GPG ID :  0xBFFC8DD3C06DD6B0
>>>>
>>>>
>>>> On Fri, 27 Nov 2020 at 19:30, Sharad Lele (शरच्चंद्र लेले) <
>>>> shara...@gmail.com> wrote:
>>>>
>>>>> Please read and comment.
>>>>>
>>>>>
>>>>> https://www.isro.gov.in/sites/default/files/spacers_policy_ngp_2020_draft.pdf
>>>>>
>>>>> Sharad
>>>>>
>>>>> -- 
>>>>> Datameet is a community of Data Science enthusiasts in India. Know 
>>>>> more about us by visiting http://datameet.org
>>>>> --- 
>>>>> You received this message because you are subscribed to the Google 
>>>>> Groups "datameet" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>>> an email to datameet+u...@googlegroups.com.
>>>>> To view this discussion on the web visit 
>>>>> https://groups.google.com/d/msgid/datameet/e9221cdf-1e29-9f26-cd5a-1b031ba51761%40gmail.com
>>>>> .
>>>>>
>>>> -- 
>>>> Datameet is a community of Data Science enthusiasts in India. Know more 
>>>> about us by visiting http://datameet.org
>>>> --- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "datameet" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to datameet+u...@googlegroups.com.
>>>>
>>> To view this discussion on the web visit 
>>>> https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com
>>>>  
>>>> <https://groups.google.com/d/msgid/datameet/CAABnYsWm7xuY33vkAP0nu8qDRBibSwFx-pEGKCESe5Nuu9Bn6g%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>>

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Re: [datameet] DOS release Remote Sensing Policy 2020 draft for public comment

[Sharad Lele]

I think Thejesh's idea of a joint response is excellent, and am happy to 
contribute.
My immediate observation is that 
a) the RS policy does not cover drones/UAVs, which according to me is the 
hot area, where a lot of application development is also required. The UAV 
related policy by DGCA is purely regulatory (what permissions are required 
etc), not developmental
b) the opening of 5.6m imagery is great. HOWEVER, there is lack of clarity 
of whether the govt will continue to support the IRS P6 (or equivalent) 
programmes well into the future. There is no clear commitment. There is 
talk about past images, and open sharing, but obviously if commercial 
players come in, their data will not be shared. So a bit more clarity on 
whether (like USA) the state agency will continue to do imaging till 5.6m 
resolution and leave the 5.6m to 1m field for commercial providers is 
required.
c) the shift from NRSC to a socalled PSU is noticeable and its implications 
unclear. What we do know as users is that NRSA is not particularly 
accountable to users in terms of quality of data, transparency in what they 
do (they will suddenly stop taking requests for imaging on particular 
dates, saying they are doing a full run for govt), technical transparency 
(quality), and promptness. And it is not clear in the policy how this 
accountability will be enforced vis-a-vis the PSU either.
d) The USA defines 'high-res' as 0.5m and below. That's why commercial 
providers stop at 0.6m. (please correct me if I am wrong--or if this is 
outdated). We should use the same threshold, not 1m. Because otherwise our 
data users are unnecessarily penalised, while 0.6m data on India are 
available to users located in the USA or elsewhere!
e) accountability of the high-res committee--they simply turn down requests 
without any reason. Who holds them accountable?
f) If commercial providers are to come in from India, how will they beat 
existing global suppliers of 1m data such as Ikonos and others who are well 
established? 

Some quick thoughts, to spark further debate in the group and help in the 
drafting of the joint comment.
Sharad

On Saturday, November 28, 2020 at 12:37:17 PM UTC+5:30 Sharad Lele wrote:

> Rajya Sabha TV just now called saying the programme got cancelled. Typical 
> of them. 
>
> On Friday, November 27, 2020 at 10:15:42 PM UTC+5:30 Sharad Lele wrote:
>
>> Btw, I will be appearing on Rajya Sabha TV tomorrow at 1pm with MoES Secy 
>> for a panel discussion on this new policy. So do send in more comments 
>> tonight/tomorrow morning, AND listen in on that discussion. 
>>
>> On Friday, November 27, 2020 at 10:14:16 PM UTC+5:30 Sharad Lele wrote:
>>
>>> I agree with you, Ujaval. Getting 5.6m data in the public domain will be 
>>> a big boost. 
>>>
>>> But I am curious to know from others what their experience has been with 
>>> the quality of this 5.6m (IRS P6) data. For instance, I found the spectral 
>>> quality to be rather poor: it boasts of being 10-bit but all the data are 
>>> clustered in a 7-bit space. So we had to go back to coarser Landsat-8 
>>> because it gave better spectral quality (not just more bands).
>>>
>>> On the rest of the policy: I am wondering why they say nothing about 
>>> drones, about UAV-based LIDAR, and so on, which are really the cutting-edge 
>>> these days, are they not?
>>>
>>> Sharad
>>>
>>> On Friday, November 27, 2020 at 8:13:01 PM UTC+5:30 
>>> uja...@spatialthoughts.com wrote:
>>>
>>>> Hi Sharad,
>>>>
>>>> Thanks for sharing. From the perspective of sharing ISRO's own data, 
>>>> the policy says 
>>>>
>>>> " In the interest of promoting research, innovation, societal 
>>>> applications and value addition, DOS shall make IRS satellite data having 
>>>> GSD of 5 meter and coarser, easily accessible on ‘free and open’ basis. "
>>>>
>>>> I think this is really good. As the best open remote sensing 
>>>> multispectral data currently is Sentinel-2 (10m), ISRO sharing LISS4 
>>>> (5.6m) 
>>>> data puts them ahead of USGS and ESA. Of course, the concern would be the 
>>>> implementation and how fast they can make that data available. My comment 
>>>> here would that they adopt a true open data license for this data, like 
>>>> Government Open Data License.
>>>>
>>>> [image: Logo] <https://spatialthoughts.com/> 
>>>> Ujaval Gandhi
>>>> Spatial Thoughts
>>>> mobile: +91-8095684687 <+91%2080956%2084687>
>>>> email: uja...@spatialthoughts.com
>>>> [image: LinkedIn icon

[datameet] Census land use categories 2011 vs 2001

[Sharad Lele]

Dear All,
As you know, Census Village Amenities Tables (now called Village 
Directories) contain a huge amount of data on various attributes of 
villages. Of particular interest to me is the last set of columns, which 
are about land use in the village. Till Census 2001, there used to be a 
limited number of categories of land use: 4 main categories (forest, area 
not available for cultivation. culturable waste, and Net Sown area (NSA was 
given in two columns: irrigated land and unirrigated land).

In the 2011 census, they have moved to the 'standard' 9-fold 
classification: forest,  
Area under Non-Agricultural Uses, Barren & Un-cultivable Land, Permanent 
Pastures and Other Grazing Land,  Land Under Miscellaneous Tree Crops 
etc., Culturable Waste Land, 
Fallows Land other than Current Fallows, Current Fallows, Net Area Sown, 
Total Unirrigated Land, Total Irrigated land. (Note that irr and unirr are 
subcategories of NSA). Plus they have given breakup of irrigated land by 
source.

The question I have for you is: how do these 9-fold categories map onto the 
old 4-fold classification? 
Forest 2011 to forest 2001, 
Barren+AreaunderNAU in 2011 = area underNAU in 2001
Misc Tree Crops+Cult Waste+Permanent Pastures in 2011 = Culturable Waste in 
2001
And Total Unirr + total Irr in 2011 = total unirr + total Irr in 2001

But then what happens to current fallows & long-term fallows?? Where were 
they included in 2001 ? Under Unirr? or under Culturable waste ?

Appreciate your help. Could not find any online documents explaining this.

Sharad

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[datameet] Re: Census land use categories 2011 vs 2001

[Sharad Lele]

I think I found the answer to my own question: In a District Census 
Handbook of 2001:
*Column 20 and 21 shows area irrigated by different*
*sources of irrigation and un-irrigated area. These two*
*columns cover all agricultural land which equals to net*
*cropped area sown with crops and orchards including*
*current and other fallow lands. In case of irrigated*
*land, the source of irrigation has also been indicated.*

This means that "Fallows other than Current Fallows" and "Current Fallows" 
of 2011 are part of NSA in 2001.

BUT, the next para in the 2001 handbook then creates confusion again:
*Column-22 Culturable waste : This includes all*
*lands available for cultivation whether not taken up*
*for cultivation or taken up for cultivation once but not*
*cultivated during the five years or more in succession.*
*Such lands may be either fallow or covered with shrubs*
*and jungles which are not put to any use.*

Now what does one make of this?

Sharad
On Monday, January 11, 2021 at 8:09:18 PM UTC+5:30 Sharad Lele wrote:

> Dear All,
> As you know, Census Village Amenities Tables (now called Village 
> Directories) contain a huge amount of data on various attributes of 
> villages. Of particular interest to me is the last set of columns, which 
> are about land use in the village. Till Census 2001, there used to be a 
> limited number of categories of land use: 4 main categories (forest, area 
> not available for cultivation. culturable waste, and Net Sown area (NSA was 
> given in two columns: irrigated land and unirrigated land).
>
> In the 2011 census, they have moved to the 'standard' 9-fold 
> classification: forest,  
> Area under Non-Agricultural Uses, Barren & Un-cultivable Land, Permanent 
> Pastures and Other Grazing Land,  Land Under Miscellaneous Tree Crops 
> etc., Culturable Waste Land, 
> Fallows Land other than Current Fallows, Current Fallows, Net Area Sown, 
> Total Unirrigated Land, Total Irrigated land. (Note that irr and unirr are 
> subcategories of NSA). Plus they have given breakup of irrigated land by 
> source.
>
> The question I have for you is: how do these 9-fold categories map onto 
> the old 4-fold classification? 
> Forest 2011 to forest 2001, 
> Barren+AreaunderNAU in 2011 = area underNAU in 2001
> Misc Tree Crops+Cult Waste+Permanent Pastures in 2011 = Culturable Waste 
> in 2001
> And Total Unirr + total Irr in 2011 = total unirr + total Irr in 2001
>
> But then what happens to current fallows & long-term fallows?? Where were 
> they included in 2001 ? Under Unirr? or under Culturable waste ?
>
> Appreciate your help. Could not find any online documents explaining this.
>
> Sharad
>

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Re: [datameet] Chhattisgarh Forest Working Plans and maps are online!

[Sharad Lele]

Regarding cadastral maps: see the thread that I had initiated on the 
Bhunaksha portals

BhuNaksha: source of cadastral maps (google.com) 
<https://groups.google.com/u/1/g/datameet/c/7t8B-rbD7X4/m/YuVmdQJmAwAJ>  

On Wednesday, January 27, 2021 at 4:20:48 AM UTC+5:30 samar...@gmail.com 
wrote:

> Hi Every one 
>
> Can any one share casestal maps (Khasara maps of Madhya Pradesh)
>
> with regards
>
> On Mon, Jan 25, 2021 at 10:10 PM Sharad Lele (शरच्चंद्र लेले) <
> shara...@gmail.com> wrote:
>
>> http://www.fmisonline.org/Forest%20Working%20Plan/FWP_Indx.html
>>
>> They are in a funny directory structure, folders and subfolders and then 
>> pieces of PDFs (and all links are not working) but still pretty amazing 
>> that this has finally been put in the public domain.
>>
>> Sharad
>>
>> -- 
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>> about us by visiting http://datameet.org
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>> https://groups.google.com/d/msgid/datameet/75e0f167-d384-195e-5791-0ff2cd8e571e%40gmail.com
>> .
>>
>
>
> -- 
> SAMARTH WATER CONSULTANTS PRIVATE LIMITED,NAGPUR
> MOB-9822696254 / 7720094354
>

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Re: [datameet] Historic village-level census data

[Sharad Lele]

Following Sanjeev Sinha's point: the scanned district census handbooks for 
older censuses can be found here:
http://lsi.gov.in:8081/jspui/handle/123456789/1

The collection is not comprehensive, but ...

On Wednesday, May 19, 2021 at 7:03:51 AM UTC+5:30 Nishadh K A wrote:

> For years 1991 and 2001, available in 
> https://sedac.ciesin.columbia.edu/data/set/india-india-village-level-geospatial-socio-econ-1991-2001
>
> On Tuesday, May 18, 2021 at 7:59:02 AM UTC+5:30 Dr. Sanjeev K Sinha wrote:
>
>> Previous census year data (upto 1981) are in hard copy/ or published as 
>> scanned ebook format.
>>
>> On Tue, 18 May 2021, 07:54 Rashmi Singh Rana,  
>> wrote:
>>
>>> Hi,
>>> I am looking for village-level census data for Himachal Pradesh. I have 
>>> village-level data for the 15th & 14th Census (2011 & 2001). I am looking 
>>> for census data for previous years/ older census records, at the village 
>>> level for Himachal. 
>>> Can anyone help me access or direct to where I can access it? The Census 
>>> digital library has the 13th Census data but it is incomplete. 
>>>
>>> Thanks in advance!
>>>
>>> Regards,
>>> Rashmi
>>>
>>> -- 
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>>> about us by visiting http://datameet.org
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>>> https://groups.google.com/d/msgid/datameet/eac0ce5d-3b4b-4391-84be-84c6337152a4n%40googlegroups.com
>>>  
>>> 
>>> .
>>>
>>

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[datameet] Downloading Survey of India topos (Open Series)

[Sharad Lele]

I thought SOI had put out topos for all of India in the Open Series for 
public download.
But when I visit this page: 
https://surveyofindia.gov.in/pages/open-series-maps-osm
I find many states are missing in the list: Kerala, Tamil Nadu, Jharkhand, 
etc.

And when I visit the download page
https://soinakshe.uk.gov.in/mtr/

I am unable to register as a new user (no OTP forthcoming) to download even 
what exists (assuming the two pages are talking about the same thing).

What is the experience of other users? Am I looking at the wrong pages!

Sharad

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[datameet] Re: global 10 m landuse data

[Sharad Lele]

Hi Justin,
Thanks for this. I downloaded a tile, but could not find the legend 
information anywhere. Please advise.
Sharad

On Thursday, June 24, 2021 at 11:38:42 PM UTC+5:30 Justin wrote:

> On Thursday, June 24, 2021 at 2:08:19 PM UTC-4 Justin wrote:
>
>> revolutionarygis.wordpress.com
>>
>

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[datameet] Re: Downloading Survey of India topos (Open Series)

[Sharad Lele]

Hi folks, no help from anyone on this? 
Has anyone tried registering recently? 
https://soinakshe.uk.gov.in/mtr/Manchitra_MTR.aspx

On Friday, May 21, 2021 at 8:20:44 AM UTC+5:30 Sharad Lele wrote:

> I thought SOI had put out topos for all of India in the Open Series for 
> public download.
> But when I visit this page: 
> https://surveyofindia.gov.in/pages/open-series-maps-osm
> I find many states are missing in the list: Kerala, Tamil Nadu, Jharkhand, 
> etc.
>
> And when I visit the download page
> https://soinakshe.uk.gov.in/mtr/
>
> I am unable to register as a new user (no OTP forthcoming) to download 
> even what exists (assuming the two pages are talking about the same thing).
>
> What is the experience of other users? Am I looking at the wrong pages!
>
> Sharad
>

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Re: [datameet] Re: Downloading Survey of India topos (Open Series)

[Sharad Lele]

And one cannot register afresh. OTP never comes

On Fri, 25 Jun 2021, 10:06 H. S. Sudhira,  wrote:

> Hi Sharad,
>
> When they had opened this up, I remember to have registered and logged in.
> But now, it is not working and says my mobile number is not registered.
>
> Regards,
> Sudhira.
>
> On Fri, 25 Jun 2021 at 07:56, Sharad Lele  wrote:
>
>> Hi folks, no help from anyone on this?
>> Has anyone tried registering recently?
>> https://soinakshe.uk.gov.in/mtr/Manchitra_MTR.aspx
>>
>> On Friday, May 21, 2021 at 8:20:44 AM UTC+5:30 Sharad Lele wrote:
>>
>>> I thought SOI had put out topos for all of India in the Open Series for
>>> public download.
>>> But when I visit this page:
>>> https://surveyofindia.gov.in/pages/open-series-maps-osm
>>> I find many states are missing in the list: Kerala, Tamil Nadu,
>>> Jharkhand, etc.
>>>
>>> And when I visit the download page
>>> https://soinakshe.uk.gov.in/mtr/
>>>
>>> I am unable to register as a new user (no OTP forthcoming) to download
>>> even what exists (assuming the two pages are talking about the same thing).
>>>
>>> What is the experience of other users? Am I looking at the wrong pages!
>>>
>>> Sharad
>>>
>> --
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>> about us by visiting http://datameet.org
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>> .
>>
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Re: [datameet] Re: global 10 m landuse data

[Sharad Lele]

Since several folks emailed me one-on-one, I am adding this clarification:

1. The link below only gives information on what the map is about, how it 
was made, and (importantly) what its accuracy levels are.
https://www.arcgis.com/home/item.html?id=d6642f8a4f6d4685a24ae2dc0c73d4ac

2. To actually download tiles for your area, you need to go to the 
downloader page, which for some reason does not seem to work from the above 
page. You need to go to:
https://www.arcgis.com/apps/instant/media/index.html?appid=fc92d38533d440078f17678ebc20e8e2

3. You can also download the whole set of tiles at once (60GB) 
https://soilspackage-useast.s3.amazonaws.com/EsriLandCover/GlobalEsri2020LandCover.zip

4. Upon perusing the documentation, and doing some ground truthing of my 
own for areas I have already mapped at high resolution, my observations are:
a) the 10-fold classification is generally too coarse for many 
applications. E.g., 'trees' includes horticultural plantations (coconut, 
areca, eucalyptus, rubber, coffee, etc) along with forest of all densities 
and types. 'cropland' includes fallows.
b) the documentation itself acknowledges that the accuracy for certain 
classes is low (~50%): grassland, and scrubland. Thus, most forest edges 
are classified as 'bare', when they are likely to be grassland or scrubland.
In other words, the spatial resolution may be good, but the 
class-resolution (and associated accuracy) is not good enough for many 
applications. Not a criticism of this effort, but something to keep in mind 
when using the product.

Again, a big thanks to Justin for bringing this source of data to our 
attention and hosting links on his website 
(https://revolutionarygis.wordpress.com/) which has tonnes of other goodies 
as well!

Best,
Sharad



On Friday, June 25, 2021 at 11:29:50 AM UTC+5:30 Sharad Lele wrote:

> Works! Thanks, Justin!
>
> Sharad
>
> On 25-Jun-21 08:15, J M wrote:
>
> Shared, 
> Let me know if this works!
>
> https://www.arcgis.com/home/item.html?id=d6642f8a4f6d4685a24ae2dc0c73d4ac
>
> Justin
>
> On Thu, Jun 24, 2021, 9:23 PM Sharad Lele  wrote:
>
>> Hi Justin,
>> Thanks for this. I downloaded a tile, but could not find the legend 
>> information anywhere. Please advise.
>> Sharad
>>
>> On Thursday, June 24, 2021 at 11:38:42 PM UTC+5:30 Justin wrote:
>>
>>> On Thursday, June 24, 2021 at 2:08:19 PM UTC-4 Justin wrote:
>>>
>>>> revolutionarygis.wordpress.com
>>>>
>>> -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>> .
>>
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>
>
>

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Re: [datameet] Re: Downloading Survey of India topos (Open Series)

[Sharad Lele]

When did you register as a user on the portal? I and Sudhira simply cannot
register now.

On Wed, 30 Jun 2021, 08:05 Upasana,  wrote:

> Never faced any problem downloading toposheets. The only downside being
> you can download only 3 sheets in a day, so that's somewhat of a problem.
> but otherwise the process is a little simpler than earlier. Now they only
> require your mobile no.
>
> With regards
> Upasana
>
> On Fri, 25 Jun 2021 at 07:56, Sharad Lele  wrote:
>
>> Hi folks, no help from anyone on this?
>> Has anyone tried registering recently?
>> https://soinakshe.uk.gov.in/mtr/Manchitra_MTR.aspx
>>
>> On Friday, May 21, 2021 at 8:20:44 AM UTC+5:30 Sharad Lele wrote:
>>
>>> I thought SOI had put out topos for all of India in the Open Series for
>>> public download.
>>> But when I visit this page:
>>> https://surveyofindia.gov.in/pages/open-series-maps-osm
>>> I find many states are missing in the list: Kerala, Tamil Nadu,
>>> Jharkhand, etc.
>>>
>>> And when I visit the download page
>>> https://soinakshe.uk.gov.in/mtr/
>>>
>>> I am unable to register as a new user (no OTP forthcoming) to download
>>> even what exists (assuming the two pages are talking about the same thing).
>>>
>>> What is the experience of other users? Am I looking at the wrong pages!
>>>
>>> Sharad
>>>
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[datameet] Re: Pune Villages Map

[Sharad Lele]

Check out:

https://www.cse.iitb.ac.in/~pocra/MahaCensus_shapefile_data1.2/Attribute.html

On Wednesday, July 28, 2021 at 2:14:20 AM UTC+5:30 rushikesh...@gmail.com 
wrote:

> Hi, does anyone have pune villages shapefile or maharashtra villages 
> shapefiles ?
>
>

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[datameet] Re: Pune Villages Map

[Sharad Lele]

Rather:
https://www.cse.iitb.ac.in/~pocra/MahaCensus_shapefile_data1.2/MaharashtraCensus.html

On Wednesday, July 28, 2021 at 12:00:06 PM UTC+5:30 Sharad Lele wrote:

> Check out:
>
>
> https://www.cse.iitb.ac.in/~pocra/MahaCensus_shapefile_data1.2/Attribute.html
>
> On Wednesday, July 28, 2021 at 2:14:20 AM UTC+5:30 rushikesh...@gmail.com 
> wrote:
>
>> Hi, does anyone have pune villages shapefile or maharashtra villages 
>> shapefiles ?
>>
>>

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Re: [datameet] State-->District-->Village level data

[Sharad Lele]

Go to https://mpbhulekh.gov.in/mpbhulekh.do and choose 'land parcel map' 
from the dashboard on the home page (have to scroll to right).

MP used to have a Bhunaksha portal like other states, but they seem to have 
purposely disabled it!

On Wednesday, October 6, 2021 at 8:03:28 AM UTC+5:30 samar...@gmail.com 
wrote:

> Hello everyone,
>
> Does anyone have idea from where we can get Cadestral Map Shape files for 
> Madhya Pradesh?
>
> Regards
>
> On Thu, 30 Sep 2021, 19:30 shantanu oak,  wrote:
>
>> Hi,
>> This is regarding Shivangi's question titled "State-->District-->Village 
>> level data".
>>
>> *DTName* column is same as district column "*DID,C,254*" in the census 
>> data.
>> *SDTName* column is same as taluka column  "*TID,C,254*" in the census 
>> data.
>> State code is the same in both. (for e.g. 27 for Maharashtra)
>>
>> Districts are numbered from 1 to 35 exactly as they appear in the census 
>> file and those numbers are used in the shape file.
>> Talukas are also numbered from 1 to x (x being the number of talukas in 
>> each district). The sequence is same in both the files.
>>
>> Here is the python code for district and taluka:
>>  
>> census = pd.read_csv("census.CSV")
>> census = census.apply(lambda s: s.str.replace("'", ""))
>> census = census[census["DTName"] != "MAHARASHTRA"]
>> ndf = census[census["SDTCode"] == "0"]
>> ndf["mapindex"] = np.arange(1, len(ndf) + 1)
>> ndf[["DTCode", "Name", "mapindex"]]
>>
>> taluka = census[census["TVCode"] == "00"]
>> taluka = taluka[taluka["SDTCode"] != "0"]
>> taluka["sno"] = (taluka.groupby(["DTName"]).cumcount()+ 1)
>>
>> The full code is available here...
>>
>>
>> https://github.com/shantanuo/stack_question/blob/master/state_district_village_data.ipynb
>>
>> I have tested with Maharashtra data but the same logic can be applied to 
>> other states.
>>
>> -- Shantanu
>>
>>
>> On Thursday, 26 August 2021 at 03:36:27 UTC Shivangi wrote:
>>
>>> Thanks Naraina, I will look into it.
>>>
>>> Regards,
>>> Shivangi
>>>
>>> On Wed, Aug 25, 2021 at 12:00 PM Naraina Damle  
>>> wrote:
>>>
 Found it. 

 Download local government Directory from this site. 

 https://lgdirectory.gov.in/

 This is one of the best and easiest dat ato download. Its 
 LOCALBODYMAPPING file has both 2001 and 2011 numbers with their own new 
 numbers for villages added after 2011




 On Wednesday, August 25, 2021 at 11:55:17 AM UTC+5:30 Naraina Damle 
 wrote:

> There is a difference in the Village numbering in 2001 and 2011. Let 
> me check what is the solution.
>
> On Tuesday, July 27, 2021 at 11:12:51 AM UTC+5:30 Shivangi wrote:
>
>> Thanks Sayeed.
>>
>> But somehow i cannot find the linkage between the district and 
>> village codes given in the shape files at 
>> https://sedac.ciesin.columbia.edu/data/set/india-india-village-level-geospatial-socio-econ-1991-2001/
>> and the census data from 
>> https://www.censusindia.gov.in/2011census/Listofvillagesandtowns.aspx
>>
>> The district code and village codes dont match. In the spatial data 
>> all district and village codes for states restart from 0 while in the 
>> census data they have code which is unique across the country.
>>
>> Has anyone else faced this issue?
>>
>> Thanks & Regards
>> Shivangi
>>
>> On Mon, Jul 26, 2021 at 12:33 PM Mohd. Sayeed Ul Hasan <
>> saye...@gmail.com> wrote:
>>
>>> U can get data from NASA sedac village boundary shapefile.
>>>
>>> On Mon, Jul 26, 2021, 12:00 Shivangi Desai  
>>> wrote:
>>>
 Hey All,

 I am trying to get village information for all states in India.
 I found the district, subdistrict and village data from the 2001 
 census. But could not find coordinates of the same.

 Can you please point me to any API or website that I can use to get 
 this information?
 For villages the coordinates would be enough.
 Also wanted to figure if there is any specific code that is 
 maintained per village?

 Thanks 
 Shivangi



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 .

Re: [datameet] State-->District-->Village level data

[Sharad Lele]

Thanks, KK.
I checked this out. Apart from the fact that it is not downloadable, I find 
that the layer has many errors. Lots of generalization of boundaries and 
actual errors in locating villages... :-(

Just sharing my observations for others to be aware of...

Sharad
On Thursday, January 13, 2022 at 5:01:49 AM UTC+5:30 1984.k...@gmail.com 
wrote:

> Hi Team,
>
> You can access village level data from Living Atlas- 
> https://livingatlas.arcgis.com/en/browse/?q=%22India:%20Village%20Boundary%202021%22#d=2&q=%22India%3A%20Village%20Boundary%202021%22
>
> Regards,
> KK
>
> On Wed, Aug 25, 2021 at 11:55 AM Naraina Damle  wrote:
>
>> There is a difference in the Village numbering in 2001 and 2011. Let me 
>> check what is the solution.
>>
>> On Tuesday, July 27, 2021 at 11:12:51 AM UTC+5:30 Shivangi wrote:
>>
>>> Thanks Sayeed.
>>>
>>> But somehow i cannot find the linkage between the district and village 
>>> codes given in the shape files at 
>>> https://sedac.ciesin.columbia.edu/data/set/india-india-village-level-geospatial-socio-econ-1991-2001/
>>> and the census data from 
>>> https://www.censusindia.gov.in/2011census/Listofvillagesandtowns.aspx
>>>
>>> The district code and village codes dont match. In the spatial data all 
>>> district and village codes for states restart from 0 while in the census 
>>> data they have code which is unique across the country.
>>>
>>> Has anyone else faced this issue?
>>>
>>> Thanks & Regards
>>> Shivangi
>>>
>>> On Mon, Jul 26, 2021 at 12:33 PM Mohd. Sayeed Ul Hasan <
>>> saye...@gmail.com> wrote:
>>>
 U can get data from NASA sedac village boundary shapefile.

 On Mon, Jul 26, 2021, 12:00 Shivangi Desai  
 wrote:

> Hey All,
>
> I am trying to get village information for all states in India.
> I found the district, subdistrict and village data from the 2001 
> census. But could not find coordinates of the same.
>
> Can you please point me to any API or website that I can use to get 
> this information?
> For villages the coordinates would be enough.
> Also wanted to figure if there is any specific code that is 
> maintained per village?
>
> Thanks 
> Shivangi
>
>
>
> -- 
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>  
> 
> .
>
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>>> To view this discussion on the web visit 
 https://groups.google.com/d/msgid/datameet/CAMc3Z%3D_AWdW72k2o_znvAGqF8R_M6-PVJDgVd_3e-_gKS236oA%40mail.gmail.com
  
 
 .

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> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/datameet/e17aca91-cec4-4091-8cd6-86709eb76dd0n%40googlegroups.com
>>  
>> 
>> .
>>
>
>
> -- 
> KK
>

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Re: [datameet] Shape files for Bhopal, Khandawa, Omkareshwar along with villages boundaries

[Sharad Lele]

Hi Akshit: I tried this link because I also want accurate village 
boundaries for MP. But the link does not work: first it does not accept 
even spaces between first name and last name etc. And finally when I had 
that figured out, clicking the submit button led to an error (crash) 
message. Have you or anyone else successfully submitted a request and 
actually got vector data from MP govt?

Sharad

On Monday, February 21, 2022 at 3:50:41 PM UTC+5:30 akshit...@gmail.com 
wrote:

> Hi,
>
> You can request data from MP geoportal. here is the link <
> https://geoportal.mp.gov.in/geoportal/reqForm.aspx>
>
> 
> *Akshit Shah*
>
>
>
> On Fri, Feb 18, 2022 at 4:05 PM Thejesh GN  wrote:
>
>> http://projects.datameet.org/maps/#district-boundaries
>>
>> Bhopal is here https://github.com/datameet/Municipal_Spatial_Data
>>
>> Thej
>> --
>> Thejesh GN *⏚* ತೇಜೇಶ್ ಜಿ.ಎನ್
>> http://thejeshgn.com
>> GPG ID :  0xBFFC8DD3C06DD6B0
>>
>>
>> On Fri, 18 Feb 2022 at 15:26, vankayala harish  
>> wrote:
>>
>>> I have Bhopal wards shape file only. 
>>>
>>> On Fri, 18 Feb, 2022, 3:23 pm Anoushka Tyagi,  
>>> wrote:
>>>
 Hello all members
 I am looking for shapefiles of districts of Madhya Pradesh- Bhopal 
 & Khandawa.
 Omakreshwar city and villages boundaries as well.

 Could anyone suggest where to find them and share if someone already 
 has them?

 Thank you all
 Anoushka Tyagi 

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>>> .
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[datameet] Re: can we get the cadastral shape files of karnataka state

[Sharad Lele]

Go to 
https://landrecords.karnataka.gov.in/

and click on "revenue maps" button , which is 

https://landrecords.karnataka.gov.in/service3/

Best,
Sharad

On Tuesday, May 24, 2022 at 10:14:53 AM UTC+5:30 anil...@gmail.com wrote:

> hello everyone, i am looking for cadastral boundary shapefiles karnataka 
> state, if anyone knows about it, kindly share the information. 
> thanking you
> *Dr. Anilkumar T Dandekar*
> *Associate Professor of Agricultural Engineering*
> *in Soil and Water Conservation Engineering*
> *Dept Of Agricultural Engineering,*
> *College of Agriculture,*
> *VC Farm, Mandya-571405*
>

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[datameet] Maharashtra cadastral maps

[Sharad Lele]

Has anyone tried this website:
http://mrsac.maharashtra.gov.in/cadastralgis/

It seems to require login and password. Can anyone get a login? If not, 
does anyone in this group have access? we are looking for some maps of 
Chandrapur district that are not available on Bhunaksha.

Sharad

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Re: [datameet] Re: Survey of India published - District, Block and Village Boundaries

[Sharad Lele]

Thanks Craig for locating this dataset. Potentially solves all our 
problems. Yes, can add only one district at a time to the Shopping Cart, 
but can in theory keep going back and adding more items to the Cart (I did 
2 at a time). Process for checking out and creating downloads involves many 
clicks... bit idiotic. But some substantive limitations after I downloaded 
and checked Dindori in MP:

1. Village boundaries do match latest village shapes from revenue layers, 
BUT they are east-shifted by 200m (they must have goofed the datum)
2. Polygons don't have any census ID, so linking to other data will require 
adding those manually (!!) or figuring out what numbering system SOI has 
used. Any thoughts on that?
3. I tried Andhra Pradesh two districts Vizag and Srikakulam, and it says 
"data not available yet". So the dataset is still in the making. Not sure 
what is available and what is not, overall.

Sharad
On Monday, September 19, 2022 at 7:27:05 PM UTC+5:30 craig...@gmail.com 
wrote:

> Sorry, i thought i was replying to Justin. I don't know if there are any 
> download limits, except that you can only download one district at a time.
>
> On Mon, Sep 19, 2022, 19:25 Craig Dsouza  wrote:
>
>> Seems like it yes.
>>
>> On Mon, Sep 19, 2022, 17:56 Justin  wrote:
>>
>>> Great find! I am pretty sure you need a cell phone in India to actually 
>>> create an account/ access?
>>>
>>> On Monday, September 19, 2022 at 5:16:28 AM UTC-5 craig...@gmail.com 
>>> wrote:
>>>
 Hey,
 has anyone written any scripts or downloaded & explored these?
 https://onlinemaps.surveyofindia.gov.in/Digital_Product_Show.aspx
 It seems SOI is now publishing District, Block and Village Boundaries 
 in vector formats for free

 [image: soi-snapshot.jpg]


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>>> 
>>> .
>>>
>>

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[datameet] Looking for list of census village names for CG and MP in Devanagari

[Sharad Lele]

I am looking for the census village list for Chhattisgarh and Madhya 
Pradesh (for starters) in Devanagari (Hindi script). Preferably with Census 
2011 codes, so that I can quickly match them to the Census dataset, which 
is in English. But even if no codes attached, an accurate list with 
tehsil/block and district tags in digital format (not pdf hopefully) will 
be a big help.

Any suggestions, folks?

Sharad

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[datameet] Re: Looking for list of census village names for CG and MP in Devanagari

[Sharad Lele]

For instance, if someone can scrape the names from this website: 
https://www.prd.mp.gov.in/GramSearch/SearchPanchayat.aspx  (sequentially, 
so as to get the district, block and GP tags also)

On Thursday, February 2, 2023 at 9:47:01 PM UTC+5:30 Sharad Lele wrote:

> I am looking for the census village list for Chhattisgarh and Madhya 
> Pradesh (for starters) in Devanagari (Hindi script). Preferably with Census 
> 2011 codes, so that I can quickly match them to the Census dataset, which 
> is in English. But even if no codes attached, an accurate list with 
> tehsil/block and district tags in digital format (not pdf hopefully) will 
> be a big help.
>
> Any suggestions, folks?
>
> Sharad
>

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Re: [datameet] Re: Looking for list of census village names for CG and MP in Devanagari

[Sharad Lele]

[image: mndagofkncnplmoa.png]
But btw, there is an option on the main PRD website to switch to Hindi, and 
when I do that, then when I go searching for specific Gram Panchayats, I do 
get this search menu, which suggests that at the backend somewhere the 
Hindi lists also exist? Any ideas? 
On Saturday, February 4, 2023 at 10:32:59 AM UTC+5:30 Sharad Lele wrote:

> Dear Nikhil,
>
> Thanks for your help and yes, I assumed (incorrectly) that if the menus 
> are in Hindi then the data will also be in Hindi/Devanagari! Unfortunately, 
> as you pointed, out, the data are still in English/Roman script. 
>
> Which means I have to expand my request: any one who can find a website 
> that has village name lists in Hindi/Devanagari (for MP in particular), 
> please flag. If someone has the data already in Devanagari, great!
>
> Sreeram pointed out that the list on the govt of India's LGDIR website has 
> devanagari names for some states, but in the case of MP, the column for 
> names in Devanagari is very sporadically filled!
>
> Sharad
>
> On 04-Feb-23 10:11, Nikhil VJ wrote:
>
> Hi Sharad, 
>
> The site you linked is quite easy to scrape with basic GET api calls (aka 
> you can open the url in browser also) giving the data in a proper structure 
> that can be directly used by a program.
>
> *But : the data is all in English only.*
>
> Anyways, in case you want to scrape, can get someone to do using:
>
> Districts list:
> https://www.prd.mp.gov.in/Handlers/Districts.ashx?DivisionID=0
>
> Take district ID from there to get local bodies list:
> https://www.prd.mp.gov.in/Handlers/localbodies.ashx?DistrictID=*45*
> &Is_Rural=1
>
> Take "LBID" from there to get GP Zones:
> https://www.prd.mp.gov.in/Handlers/GpZones.ashx?LbId=*24319*
>
>
> Note to freshers in python coding who are looking for real world use cases 
> to learn and apply their skills: This is a good starting project. 
> Make 3 nested for loops and append all the results to a dict (json) array. 
> At end, convert to a pandas dataframe, and output to CSV.
> https://www.prd.mp.gov.in/Handlers/Districts.ashx?DivisionID=0
> --
> Cheers,
> Nikhil VJ
> https://nikhilvj.co.in
>
>
> On Fri, Feb 3, 2023 at 12:10 AM Sharad Lele  wrote:
>
>> For instance, if someone can scrape the names from this website: 
>> https://www.prd.mp.gov.in/GramSearch/SearchPanchayat.aspx  
>> (sequentially, so as to get the district, block and GP tags also)
>>
>> On Thursday, February 2, 2023 at 9:47:01 PM UTC+5:30 Sharad Lele wrote:
>>
>>> I am looking for the census village list for Chhattisgarh and Madhya 
>>> Pradesh (for starters) in Devanagari (Hindi script). Preferably with Census 
>>> 2011 codes, so that I can quickly match them to the Census dataset, which 
>>> is in English. But even if no codes attached, an accurate list with 
>>> tehsil/block and district tags in digital format (not pdf hopefully) will 
>>> be a big help.
>>>
>>> Any suggestions, folks?
>>>
>>> Sharad
>>>
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[datameet] Google Earth historical imagery disappeared?

[Sharad Lele]

Folks,
Over the last few days, it appears as if Google has removed all historical 
satellite imagery for India for the 2000-2019 period. Just last week, I was 
using imagery from 2005 and 2003 for our field sites in MP and 
Chhattisgarh. But as of this weekend, there is NO historical imagery 
between 1985 and 2019! I have checked several different locations in India.

Can others confirm this? This is a huge loss for us and the wider 
public--e.g., historical imagery is crucial in the implementation of the 
Forest Rights Act. Is there a way we can ask Google to reinstate the 
imagery?

Sharad

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Re: [datameet] Google Earth historical imagery disappeared?

[Sharad Lele]

Hi Mukesh: Since Ashish has also experienced this ,and all the folks in my 
team are facing this, and there is a similar problem posted on the GE 
support thread, I doubt that my problem will be fixed by reinstalling GE on 
just my laptop. I think the problem is systemic. Here is a screenshot of 
what the timeslider looks like now:

[image: GE time slider on 2 May 2023_no images between 1985 and 2019.jpg]

On Tuesday, May 2, 2023 at 10:24:19 AM UTC+5:30 Mukesh Yadav wrote:

> Hi Sharad, I have just checked, historical images are available on Google 
> Earth. You can try re-installing the application once.
>
> Regards,
>
> On Tue, May 2, 2023 at 8:22 AM Sharad Lele  wrote:
>
>> Folks,
>> Over the last few days, it appears as if Google has removed all 
>> historical satellite imagery for India for the 2000-2019 period. Just last 
>> week, I was using imagery from 2005 and 2003 for our field sites in MP and 
>> Chhattisgarh. But as of this weekend, there is NO historical imagery 
>> between 1985 and 2019! I have checked several different locations in India.
>>
>> Can others confirm this? This is a huge loss for us and the wider 
>> public--e.g., historical imagery is crucial in the implementation of the 
>> Forest Rights Act. Is there a way we can ask Google to reinstate the 
>> imagery?
>>
>> Sharad
>>
>> -- 
>>
> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>> .
>>
>
>
> -- 
> Mukesh Yadav 
> Practice
> Mobile: +91 - 97112 86815 <+91%2097112%2086815>
> --
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[datameet] Creating variable names in Devanagari

[Sharad Lele]

Hi folks, I am using QGIS and I want to create variable names in Devanagari 
(for instance जिला instead of District). If I create a new column in the 
attribute table and enter the column name in Devanagari using Microsoft 
Indic Language Tool on my computer, it seems to work (जिला is shown as the 
column name). But the moment I save the edits and reopen the attribute 
table, this gets truncated into something like जिल?. The last character is 
not really a question mark, something more complex. 

Any suggestions for making the column names appear and save properly in 
Devanagari? (The same would be true for Kannada or other scripts, I am 
sure).

Sharad

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Re: [datameet] Creating variable names in Devanagari

[Sharad Lele]

Thanks, Dilawar. The article was very interesting/useful. But for a 
simpleton like me, the question then is: How do I ensure that QGIS3 in 
particular is using UTF-8 encoding every time?

Sharad

On Monday, December 4, 2023 at 1:31:28 PM UTC+5:30 Dilawar Singh wrote:

> The answer is not going to be simple. 
>
> Make sure that every time you save or open the file, the application uses 
> encoding utf-8. Microsoft uses another weird encoding called utf-16 (
> https://en.wikipedia.org/wiki/UTF-16).  Stay away from utf-16 it if you 
> want to copy-paste anything from the web or web-based tools.
>
> Long answer: 
> https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses/
>
> best,
>Dilawar 
>
>
>
>  On Mon, 04 Dec 2023 13:24:28 +0530 *Sharad Lele * 
> wrote ---
>
> Hi folks, I am using QGIS and I want to create variable names in 
> Devanagari (for instance जिला instead of District). If I create a new 
> column in the attribute table and enter the column name in Devanagari using 
> Microsoft Indic Language Tool on my computer, it seems to work (जिला is 
> shown as the column name). But the moment I save the edits and reopen the 
> attribute table, this gets truncated into something like जिल?. The last 
> character is not really a question mark, something more complex. 
>
> Any suggestions for making the column names appear and save properly in 
> Devanagari? (The same would be true for Kannada or other scripts, I am 
> sure).
>
> Sharad
>
>
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> about us by visiting http://datameet.org
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> .
>
>
>
>

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Re: [datameet] Creating variable names in Devanagari

[Sharad Lele]

Just to clarify/muddy the situation: I am able to enter long Devanagari 
text in the District/Jila column without any problems. It is the 
column/field name itself that I run into problems, which may have to do 
with the 8 characteri limit?

[image: Screenshot QGIS devanagari field names.jpeg]


On Monday, December 4, 2023 at 1:57:04 PM UTC+5:30 Sharad Lele wrote:

> Thanks, Dilawar. The article was very interesting/useful. But for a 
> simpleton like me, the question then is: How do I ensure that QGIS3 in 
> particular is using UTF-8 encoding every time?
>
> Sharad
>
> On Monday, December 4, 2023 at 1:31:28 PM UTC+5:30 Dilawar Singh wrote:
>
>> The answer is not going to be simple. 
>>
>> Make sure that every time you save or open the file, the application uses 
>> encoding utf-8. Microsoft uses another weird encoding called utf-16 (
>> https://en.wikipedia.org/wiki/UTF-16).  Stay away from utf-16 it if you 
>> want to copy-paste anything from the web or web-based tools.
>>
>> Long answer: 
>> https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses/
>>
>> best,
>>Dilawar 
>>
>>
>>
>>  On Mon, 04 Dec 2023 13:24:28 +0530 *Sharad Lele 
>> * wrote ---
>>
>> Hi folks, I am using QGIS and I want to create variable names in 
>> Devanagari (for instance जिला instead of District). If I create a new 
>> column in the attribute table and enter the column name in Devanagari using 
>> Microsoft Indic Language Tool on my computer, it seems to work (जिला is 
>> shown as the column name). But the moment I save the edits and reopen the 
>> attribute table, this gets truncated into something like जिल?. The last 
>> character is not really a question mark, something more complex. 
>>
>> Any suggestions for making the column names appear and save properly in 
>> Devanagari? (The same would be true for Kannada or other scripts, I am 
>> sure).
>>
>> Sharad
>>
>>
>> --
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
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>> https://groups.google.com/d/msgid/datameet/b7074482-2d88-4762-8765-eb8b55bee3b0n%40googlegroups.com
>>  
>> <https://groups.google.com/d/msgid/datameet/b7074482-2d88-4762-8765-eb8b55bee3b0n%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>>
>>
>>
>>

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Re: [datameet] Creating variable names in Devanagari

[Sharad Lele]

Thanks, Ujaval. Yes saving as .geopkg works (saves the field names in full 
and displays properly upon reopening). This is the only solution that has 
worked so far.

But I am not sure this is going to work for us in this particular situation 
where we are then using the file in postGIS to display in a webGIS. Let me 
ask our webGIS person.

Sharad

On Monday, December 4, 2023 at 3:10:18 PM UTC+5:30 Ujaval Gandhi wrote:

> Use the geopackage format. It's a much better modern format without the 
> limitations of shapefiles. The default encoding would be UTF-8 and it 
> should work. Tested with a new geopackage layer and it is able to create 
> column names and values in Devanagri script 
> https://i.imgur.com/2prELf6.png 
> <https://mailtrack.io/link/b7757e0a651e8afed7ee4756ff4cbf155cd0a533?url=https%3A%2F%2Fi.imgur.com%2F2prELf6.png&userId=8747767&signature=9f333ff36f736872>
> ---
> Ujaval Gandhi
> Spatial Thoughts
> www.spatialthoughts.com 
> <https://mailtrack.io/link/43de97ab1302774e567fc413805c61bb36bd8af8?url=http%3A%2F%2Fwww.spatialthoughts.com&userId=8747767&signature=904253fcbc9b4da4>
>
>
>
> On Mon, Dec 4, 2023 at 2:36 PM Sharad Lele  wrote:
>
>> The shapefile encoding is set to UTF-8.  But any edits to variable names 
>> only last as long as I don't save the file. Save and reopening results in 
>> going back to the same truncated/funny display as above [image: 
>> Screenshot Layer properties.jpeg]
>>
>> On Monday, December 4, 2023 at 2:17:41 PM UTC+5:30 Dilawar Singh wrote:
>>
>>> I found this 
>>> https://gis.stackexchange.com/questions/381308/how-to-change-qgis-3-default-encoding.
>>>  
>>>
>>>
>>> The file you are loading may have a different encoding that QGIS3. You 
>>> have to verify this manually and make sure that QGIS3 and file encoding is 
>>> the same. 
>>>
>>> I am guessing the while QGIS3 is using utf-8, the file that you are 
>>> loading may be utf-16 encoded. Not sure if there are automated tools that 
>>> can convert UTF-16 files to UTF8 file while preserving unicode (
>>> https://superuser.com/questions/1786434/convert-utf-16-le-to-utf-8-in-windows-via-command-line
>>> ).
>>>
>>> best,
>>>Dilawar 
>>>
>>>
>>>
>>>  On Mon, 04 Dec 2023 14:05:01 +0530 *Sharad Lele 
>>> * wrote ---
>>>
>>> Just to clarify/muddy the situation: I am able to enter long Devanagari 
>>> text in the District/Jila column without any problems. It is the 
>>> column/field name itself that I run into problems, which may have to do 
>>> with the 8 characteri limit?
>>>
>>> [image: Screenshot QGIS devanagari field names.jpeg]
>>>
>>>
>>> On Monday, December 4, 2023 at 1:57:04 PM UTC+5:30 Sharad Lele wrote:
>>>
>>> Thanks, Dilawar. The article was very interesting/useful. But for a 
>>> simpleton like me, the question then is: How do I ensure that QGIS3 in 
>>> particular is using UTF-8 encoding every time?
>>>
>>> Sharad
>>>
>>> On Monday, December 4, 2023 at 1:31:28 PM UTC+5:30 Dilawar Singh wrote:
>>>
>>> The answer is not going to be simple. 
>>>
>>> Make sure that every time you save or open the file, the application 
>>> uses encoding utf-8. Microsoft uses another weird encoding called utf-16 (
>>> https://en.wikipedia.org/wiki/UTF-16).  Stay away from utf-16 it if you 
>>> want to copy-paste anything from the web or web-based tools.
>>>
>>> Long answer: 
>>> https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses/
>>>
>>> best,
>>>Dilawar 
>>>
>>>
>>>
>>>  On Mon, 04 Dec 2023 13:24:28 +0530 *Sharad Lele 
>>> * wrote ---
>>>
>>>
>>> Hi folks, I am using QGIS and I want to create variable names in 
>>> Devanagari (for instance जिला instead of District). If I create a new 
>>> column in the attribute table and enter the column name in Devanagari using 
>>> Microsoft Indic Language Tool on my computer, it seems to work (जिला is 
>>> shown as the column name). But the moment I save the edits and reopen the 
>>> attribute table, this gets truncated into something like जिल?. The last 
>>> character is not really a question mark, something more complex. 
>>>
>>> Any suggestions for making the column names appear and save properly in 
>>> Devana

Re: [datameet] Creating variable names in Devanagari

[Sharad Lele]

Hi Nikhil, Ujaval, and others who responded:
Shiv, my colleague who handles our webgis, tried importing the geopkg
version (which was storing and displaying Devanagari variable names in
QGIS) into postGIS. He says "I used the normal pguploader, shape2posrgis,
and ogr2ogr method". But reports that postGIS does not accept those
variables.

Any workarounds?

Sharad

On Tue, 5 Dec 2023, 17:28 Sharad Lele (शरच्चंद्र लेले), <
sharad.l...@gmail.com> wrote:

> Ok, thanks, Nikhil. Let me see what works at our backend.
>
> Sharad
>
> On 05-Dec-23 16:51, Nikhil VJ wrote:
>
> Hi Sharad,
>
> If you have to import the data into a web-based backend, then your
> programmers will be most comfortable with: GeoJSON format.
> Because : It's a simple text/json format which can even be opened as raw
> text, and so there are many different ways to load it in a program and use
> data from it.
> And this will also support Devnagri columns (which become property keys
> here) same as geopackage.
>
> Another thing to look out for: Ensure that the database being used by the
> backend has the same UTF-8 encoding set.
>
> --
> Cheers,
> Nikhil VJ
> https://nikhilvj.co.in
>
>
> On Mon, Dec 4, 2023 at 3:56 PM Sharad Lele  wrote:
>
>> Thanks, Ujaval. Yes saving as .geopkg works (saves the field names in
>> full and displays properly upon reopening). This is the only solution that
>> has worked so far.
>>
>> But I am not sure this is going to work for us in this particular
>> situation where we are then using the file in postGIS to display in a
>> webGIS. Let me ask our webGIS person.
>>
>> Sharad
>>
>> On Monday, December 4, 2023 at 3:10:18 PM UTC+5:30 Ujaval Gandhi wrote:
>>
>>> Use the geopackage format. It's a much better modern format without the
>>> limitations of shapefiles. The default encoding would be UTF-8 and it
>>> should work. Tested with a new geopackage layer and it is able to create
>>> column names and values in Devanagri script
>>> https://i.imgur.com/2prELf6.png
>>> <https://mailtrack.io/link/b7757e0a651e8afed7ee4756ff4cbf155cd0a533?url=https%3A%2F%2Fi.imgur.com%2F2prELf6.png&userId=8747767&signature=9f333ff36f736872>
>>> ---
>>> Ujaval Gandhi
>>> Spatial Thoughts
>>> www.spatialthoughts.com
>>> <https://mailtrack.io/link/43de97ab1302774e567fc413805c61bb36bd8af8?url=http%3A%2F%2Fwww.spatialthoughts.com&userId=8747767&signature=904253fcbc9b4da4>
>>>
>>>
>>>
>>> On Mon, Dec 4, 2023 at 2:36 PM Sharad Lele  wrote:
>>>
>>>> The shapefile encoding is set to UTF-8.  But any edits to variable
>>>> names only last as long as I don't save the file. Save and reopening
>>>> results in going back to the same truncated/funny display as above [image:
>>>> Screenshot Layer properties.jpeg]
>>>>
>>>> On Monday, December 4, 2023 at 2:17:41 PM UTC+5:30 Dilawar Singh wrote:
>>>>
>>>>> I found this
>>>>> https://gis.stackexchange.com/questions/381308/how-to-change-qgis-3-default-encoding.
>>>>>
>>>>>
>>>>> The file you are loading may have a different encoding that QGIS3. You
>>>>> have to verify this manually and make sure that QGIS3 and file encoding is
>>>>> the same.
>>>>>
>>>>> I am guessing the while QGIS3 is using utf-8, the file that you are
>>>>> loading may be utf-16 encoded. Not sure if there are automated tools that
>>>>> can convert UTF-16 files to UTF8 file while preserving unicode (
>>>>> https://superuser.com/questions/1786434/convert-utf-16-le-to-utf-8-in-windows-via-command-line
>>>>> ).
>>>>>
>>>>> best,
>>>>>Dilawar
>>>>>
>>>>>
>>>>>
>>>>>  On Mon, 04 Dec 2023 14:05:01 +0530 *Sharad Lele
>>>>> * wrote ---
>>>>>
>>>>> Just to clarify/muddy the situation: I am able to enter long
>>>>> Devanagari text in the District/Jila column without any problems. It is 
>>>>> the
>>>>> column/field name itself that I run into problems, which may have to do
>>>>> with the 8 characteri limit?
>>>>>
>>>>> [image: Screenshot QGIS devanagari field names.jpeg]
>>>>>
>>>>>
>>>>> On Monday, December 4, 2023 at 1:57:04 PM UTC+5:30 Sharad Lele wrote:
>>>>>
>>>>> Thanks, Dilawar. The article 

[datameet] Sorting Devanagari lists correctly in Excel

[Sharad Lele]

So if I have a list of village names entered in Devanagari font in an Excel 
column, and I try to sort that list, it does a 'sort of okay' job, but 
goofs up in at least one way: it puts अं before अ , so अंबिकापुर comes 
before अकोला , when in fact it should come afterwards.

Has anyone encountered this problem? Any solutions? 

Sharad

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[datameet] Re: Some Collections of Indian Data

[Sharad Lele]

Amazing work, Sreeram! Many many thanks !

Sharad

On Tuesday, December 26, 2023 at 7:52:53 PM UTC+5:30 sreeram kandimalla 
wrote:

>
> Indian Administrative Boundaries:
> https://github.com/ramSeraph/indian_admin_boundaries
>
> Indian Roads:
> https://github.com/ramSeraph/indian_roads
>
> Indian Celltower Locations:
> https://github.com/ramSeraph/indian_communications/releases/tag/cell-towers
>
> Hope people find them useful.
>
> Thanks,
> Sreeram K
>
>
>
>

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Re: [datameet] Block Boundary

[Sharad Lele]

Arulalan: The .shp file is missing from this GitHub folder that you have 
shared.

On Tuesday, March 5, 2024 at 2:58:57 AM UTC+5:30 Arulalan T wrote:

> Hai,
>
> Please see it here
>
> https://github.com/India-Meteorological-Department/India-BlockLevel-SubDistricts-Shape-File
>
> On Tue, 27 Feb 2024 at 02:25, Nishant Kumar  wrote:
>
>> Hi, I'm looking for block boundaries shapefiles at India level. This 
>> request has been made many times in this forum but I couldn't find any any 
>> data regarding this. It anyone can tag me to similar conversations, it will 
>> be helpful.
>>
>> Thanks!
>> -nishant
>>
>> -- 
>> Datameet is a community of Data Science enthusiasts in India. Know more 
>> about us by visiting http://datameet.org
>> --- 
>> You received this message because you are subscribed to the Google Groups 
>> "datameet" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to datameet+u...@googlegroups.com.
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>> https://groups.google.com/d/msgid/datameet/19290f11-4d8d-462f-b835-b88846856913n%40googlegroups.com
>>  
>> 
>> .
>>
>
>
> -- 
> Thanks & Regards,
> Arulalan.T (Scientist - C),
> Numerical Weather Prediction (NWP) Division,
> O/o Director General of Meteorology,
> India Meteorological Department (IMD),
> Ministry of Earth Sciences (MoES),
> Mausam Bhavan, New Delhi-110003.
> Tel. No: 011-24344481
>

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[datameet] LGD codes = Census 2011 codes?

[Sharad Lele]

Folks, today in a meeting at Ministry of Tribal Affairs, the Addl Secy said 
that "the new portal for tracking benefits to tribal villages is using LGD 
codes, and henceforth all other data should be linked to these codes"

Now, I presume LGD=local govt directory codes. But when I look at data 
shared by various folks via datameet, I see that the LGD codes are the same 
as Census 2011 codes. Am I right? or is there a more exhaustive list of 
'settlements/hamlets' with some longer/different code?

Sharad

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[datameet] Re: LGD codes = Census 2011 codes?

[Sharad Lele]

Btw, the portal he mentioned was the "Gati Shakti" portal (that supposedly 
uses LGD codes)

On Friday, April 26, 2024 at 4:19:15 PM UTC+5:30 Sharad Lele wrote:

> Folks, today in a meeting at Ministry of Tribal Affairs, the Addl Secy 
> said that "the new portal for tracking benefits to tribal villages is using 
> LGD codes, and henceforth all other data should be linked to these codes"
>
> Now, I presume LGD=local govt directory codes. But when I look at data 
> shared by various folks via datameet, I see that the LGD codes are the same 
> as Census 2011 codes. Am I right? or is there a more exhaustive list of 
> 'settlements/hamlets' with some longer/different code?
>
> Sharad
>

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Re: [datameet] Census 2001 Tahsils Shapefile (5,461 records)

[Sharad Lele [शरच्चंद्र लेले]]

Dear Justin:

I beg to disagree. For Karnataka, which I know best, GADM has 176 
features. Census 2001 shows 175 talukas. Census 2011 has 176 unique 
taluka codes.


Second, boundaries in Karnataka of GADM are okay: i am comparing them 
with taluka boundaries I have digitzed from Census handbook itself.


Sharad

On 06-Aug-14 11:42 PM, Justin Meyers wrote:

Sharad,

<https://lh5.googleusercontent.com/-45mYgnZbcC0/U-Ju6KmGRCI/AKQ/FNF491-pg_0/s1600/gadm.jpg>

GADM is junk.  The person who created it doesn't respond to e-mails. 
 I reached out to him (Dr. Robert Hijmans) a few years back and he was 
useless.  Currently GADM has 2299 coundaries.  See a pic of the two 
layers compared (GADM is Green, this dataset is red)



Justin


On Wednesday, August 6, 2014 1:58:20 PM UTC-4, Sharad Lele wrote:

How does this compare with the maps from the GADM database?

My notes say GADM database maps (India state, district and taluka)
show district boundaries of 2001 or earlier, with spatial
positioning error of about 1km, and much more generalized than the
boundaries shown on Survey of India toposheets. (goes without
saying since the topos are at much finer scale than such maps)

Sharad

On Wednesday, August 6, 2014 10:49:42 AM UTC+5:30, Dilip Damle wrote:

Justin, Devdatta,

It's all about how things work in India,

Devdatta mentioned SWEat,blood and teARS

It also includes the capitalised word :)

Good to persevere though.
Congratulatioins.

Rgds
Dilip Damle




On Wednesday, August 6, 2014 9:59:13 AM UTC+5:30, Justin
Meyers wrote:


<https://lh5.googleusercontent.com/-R0Y80NzLfCo/U-GuxQ7iCwI/AKA/gdN3wX4skFk/s1600/bihar_sample.jpg>

see the Bihar data compared to this:Red=Bihar Black=this
dataset



On Wednesday, August 6, 2014 12:21:27 AM UTC-4, Justin
Meyers wrote:

Devdatta,
This is raw data that I converted from kml to shp.  So
it took me about 30 minutes to make sure the
attributes came through properly.  Cannot say my
source until I download the rest of the content from
the site, before they take it down.  It seems like
they put data on the internet, then try to take it
down (or hide it...).  Not really sure why?  I posted
the Orissa sample for you some time ago, but you never
responded?  I found official data for Orissa as well,
so converting the census pdfs to gis is a big waste of
time (took me a few days...).

As per the quality of this dataset, it is the best I
have seen on a national level.  But if you look state
by state, or really want quality data, then this isn't
what you want.  I would call this dataset a rough start.

I posted a update about Bihar
(https://groups.google.com/forum/#!topic/datameet/QuP4Tt4n0_g

<https://groups.google.com/forum/#%21topic/datameet/QuP4Tt4n0_g>)
and that data is amazing, this data doesn't hold a
candle to it.  Too bad the government doesn't want
help from the experts ;)

Cheers,
Justin



On Wednesday, August 6, 2014 12:02:57 AM UTC-4,
Devdatta Tengshe wrote:

Hi Justin,

Firstly let me congratulate you on doing this. I'm
sure that this must have involved a lot of sweat,
blood and tears (Working with government data,
usually involves the last one). This is the most
up-to-date, comprehensive & complete dataset for
sub districts that I have seen.

Could you tell us what was the source for creating
these boundaries?

I'll cross check it with other datasets, and let
you know how it goes.

Regards,
Devdatta



On Wed, Aug 6, 2014 at 8:06 AM, Justin Meyers
 wrote:


<https://lh5.googleusercontent.com/-JCJJdFxwIJ4/U-GSaLtnplI/AJw/3nhGoIFzCNE/s1600/indiatahsil2001.jpg>


https://app.box.com/s/vljeiolbqhx2hwyz8qxs
<https://app.box.com/s/vljeiolbqhx2hwyz8qxs>

Processed from a kml; did not edit any
geometry or attributes.  Data is pretty
generalized, but it is a good start for a
national dataset.  I keep finding better data
as I 

Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele [शरच्चंद्र लेले]]

I think I have the explanation for why I am seeing a good match and you 
are not:


The problem lies in defining what is the 'sub-district' unit (in 
IND_adm3). Administratively speaking, it is tehsil, below which lies CD 
block. Unfortunately, census gives information by CD block. So there are 
more 'sub-district' units in Census than tehsils in the country. GDAM 
seems to have followed the tehsil concept.


To check: Karnataka is one state in which tehsil and CD block are one 
and the same. That is why the sub-district layer IND_adm3 matches 
perfectly for Karnataka, but not for other states. There might be some 
other states where this holds good, I don't know.


Anyway, so if one really wants CD block level boundaries, we have to 
look at Justin, I guess.


But the GDAM boundaries are not 'wrong'.

Sharad

On 07-Aug-14 9:48 AM, Devdatta Tengshe wrote:
In Continuation of my previous email, here is a CSV file which shows 
just how bad the GDAM dataset is.


Regards,
Devdatta


On Thu, Aug 7, 2014 at 9:06 AM, Devdatta Tengshe <mailto:devda...@tengshe.in>> wrote:


Hi Sharad,

I just download the GDAM data again, to confirm what you have said.

I'm going to have to disagree with you about the quality of the
IND_adm3 data.


Acoording to the 2001 Census, there are 5454 Sub Districts in
India <http://www.socialjustice.nic.in/pdf/tab11.pdf>. The GDAM
dataset has just 2299 features.

So clearly these taluk features do not correspond to the 2001
Census. I cross checked for some areas I have ground knowledge of,
and I can say that this dataset is not from any specific era. Some
tehsils in the file were created post 2001, while others created
in the 90's were not present.

In my opinion the GDAM data is pretty much unusable.


Regards,
    Devdatta


On Wed, Aug 6, 2014 at 11:36 PM, Sharad Lele
mailto:sharad.l...@gmail.com>> wrote:

I have downloaded and checked the GADM boundaries (my version
is 2011). The taluka boundary layer probably holds good today,
becuase few talukas get split. Districts get split regularly
(every so many years) so the district boundary layer in this
GADM set is quite of date (may apply to 2001 or so). The
spatial registration (positional accuracy is ~1km, and the
spatial detail is of course not as good as the boundaries
given in a Survey of India 50k topo, but then that is an
unfair standard, so by a more generalized standard, the
quality is okay.

Sharad


On Monday, August 4, 2014 7:20:38 PM UTC+5:30, Dilip Damle wrote:

Mr Thakkar,

Please also look at another post (more than one) on this
group  about Taluk Shapefiles by Justin Meyers

So far as I know GADM is the source that has Taluk files.
I am not sure about its completeness and accuracy as on today

http://www.gadm.org/

On Monday, August 4, 2014 6:23:07 PM UTC+5:30, D Thakker
wrote:

thanks Dilip for your hardwork.
I have been on a lookout for all taluka / tehsil shape
file, so how do I be in a loop as I am very keen to
see the repository mail / list.


On Monday, August 4, 2014 9:50:26 AM UTC+5:30, Dilip
Damle wrote:

Sharad,

I am working on some things will revert in about a
week or may be more.

Thejesh,

Go ahead,

Actually there was one more source a Low
Resolution (vertices) District map by VDS
technologies.
I have it as Polylines in Autocad. I seem to have
lost the original file.
If anyone has then please share it. (it does not
seem to be on their site now)

On Sunday, August 3, 2014 11:32:43 PM UTC+5:30,
Thejesh GN wrote:

Actually its not a bad idea to list it on the
wiki. Let me know i will create an account.

--
Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ.ಎನ್
http://thejeshgn.com
GPG ID :  0xBFFC8DD3C06DD6B0

On Aug 3, 2014 10:15 PM, "Sharad Lele"
 wrote:

Dear Dilip and others:

I have been following this thread with
interest, but to be honest am a bit lost
now. Can someone post a summary of which
maps mentioned so far have what features
(which coverage, pertaining to w

Re: [datameet] Re: Shapefiles for "complete" India

[Sharad Lele [शरच्चंद्र लेले]]

Dear Eric:

Here is my understanding:

1. The census does not create any category, be it tehsil, block or 
mandal. These are statutory or administrative categories created under 
various state laws and programmes at various points in time. Note that 
"Block" is same as "Community Development Block or CD Block". Taluk and 
tehsil are synymous, and come from the revenue side. Block comes from 
the rural development department. Mandal comes from panchayati raj 
(decentralised governance).


2. Note also that different states have different decisions about how 
blocks are demarcated. At one end, Karnataka says CD blocks are same as 
tehsils/taluks. Some states have 1-2 blocks per tehsil. Some states 
found tehsils too big and have lots of blocks per tehsil. But as far as 
I know, blocks are strict subsets, and don't straddle tehsil boundaries.


3. Census only has to decide at what level to provide data to the user 
for a given state. E.g. ,in a district census handbook, whether to have 
chapters organized by tehsil or by block. So the table you refer to only 
tells us what choices they made in different states. It does not mean 
(e.g.,) that there are no tehsils in Jharkhand. Just that Census did not 
use that level. But yes, since Census says that MP data are reported at 
Tahsil level, I would think that the GADM boundaries for MP will match 
the tehsil boundaries and hence the census data. But the GADAM data may 
be outdated: tehsils have also sometimes been added (districts being 
split is more common).


Hope this helps.
Sharad

On 07-Aug-14 8:15 PM, Eric Dodge wrote:

This is very interesting Sharad.

I've been looking for maps of what I've been calling administrative 
blocks, that is, the units overseen by block development officers. 
MGNREGA data is aggregated at this level and I've been hoping to use 
the data to do some mapping exercises.


The census sub-districts are called differently across states (tahsil, 
taluk, mandal, etc). You can see the list here:


http://censusindia.gov.in/Tables_Published/Admin_Units/Admin_links/subdistrict_nomeclature.html

I know that in all the states where census sub-districts are called 
taluk, mandal, or CD block (with the exception of TN), the census 
sub-district is identical to the administrative block.


I've already completed a mapping exercise for Bihar using the census 
sub-district map and the data matched up pretty well. If the IND_adm3 
data is indeed the administrative blocks then I could do a similar 
exercise with Madhya Pradesh. I'll take a look to see if the data 
lines up correctly.


Has anybody dug into this issue any deeper? I've heard that tehsil 
comes from the revenue side whereas taluk, mandal, etc comes from the 
administrative side but that doesn't explain why the census uses 
different sub-district units across states.


Best,
Eric


On Thu, Aug 7, 2014 at 7:39 AM, Sharad Lele <mailto:sharad.l...@gmail.com>> wrote:


If I am right, then Justin may want to rename his layer as
CDBlocks_2001...

    Sharad


On Thursday, August 7, 2014 4:28:17 PM UTC+5:30, Sharad Lele wrote:

I think I have the explanation for why I am seeing a good
match and you are not:

The problem lies in defining what is the 'sub-district' unit
(in IND_adm3). Administratively speaking, it is tehsil, below
which lies CD block. Unfortunately, census gives information
by CD block. So there are more 'sub-district' units in Census
than tehsils in the country. GDAM seems to have followed the
tehsil concept.

To check: Karnataka is one state in which tehsil and CD block
are one and the same. That is why the sub-district layer
IND_adm3 matches perfectly for Karnataka, but not for other
states. There might be some other states where this holds
good, I don't know.

Anyway, so if one really wants CD block level boundaries, we
have to look at Justin, I guess.

But the GDAM boundaries are not 'wrong'.

Sharad

On 07-Aug-14 9:48 AM, Devdatta Tengshe wrote:

In Continuation of my previous email, here is a CSV file
which shows just how bad the GDAM dataset is.

Regards,
Devdatta


On Thu, Aug 7, 2014 at 9:06 AM, Devdatta Tengshe
mailto:devda...@tengshe.in>> wrote:

Hi Sharad,

I just download the GDAM data again, to confirm what you
have said.

I'm going to have to disagree with you about the quality
of the IND_adm3 data.


Acoording to the 2001 Census, there are 5454 Sub
Districts in India
<http://www.socialjustice.nic.in/pdf/tab11.pdf>. The GDAM
dataset has just 2299 features.

So clearly these taluk features do not correspond to the