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

[शरच्चंद्र लेले]

Thanks, Sarvesh. So if the LGD code is the same as Census 2011 (which is 
also a 6 digit code), then there is no room to add any additional digit 
for hamlets within a revenue village...


Regarding Gatishakti: i looked up the portal, and there is nothing there 
:-) I could not get into any of the statewise portals or anything. So 
what GIS layers they have etc I have no idea :-)


Sharad


On 26-Apr-24 16:33, SARVESH WAGH wrote:

Dear Sharad,

The Central Government has an initiative for all state to have their 
Local Government Directory for each and every revenue village. In the 
LGD Codes Most of the Villages have the same number as the Census Code 
2011. It is a six digit number code for each and every village of the 
State. Some of the states have continuous processes to update the LGD 
Code.


Otherwise, you have mentioned regarding "GatiShakti Project". I would 
like to know do you have GIS Layer List of GatiShakti Project. If yes, 
requesting you to please shared the same with me.


Thank you

Sarvesh Wagh


On Fri, Apr 26, 2024 at 4:20 PM Sharad Lele > wrote:


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] Creating variable names in Devanagari

[शरच्चंद्र लेले]

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


---
Ujaval Gandhi
Spatial Thoughts
www.spatialthoughts.com





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 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?

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:

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

[शरच्चंद्र लेले]

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

[शरच्चंद्र लेले]

Thanks a lot, Naveen!

I did manage to create a login ID and did manage to download some OSM 
toposheets. So that is good, although they only allow one topo at a time 
and make you jump various hoops...


I also noticed that they are really SELLING a lot of stuff at VERY 
EXPENSIVE PRICES... Village boundary shapefile for ONE DISTRICT costs 
7,500 Rupees! Such a crime, actually


Anyway...so it goes, unless someone wants to file a PIL!

Sharad


On 19-Aug-21 09:34, Naveen Francis wrote:

Hello Sharad,

SOI nakshe is replaced with new web.
https://onlinemaps.surveyofindia.gov.in/Home.aspx

Earlier to obtain a map from SOI, user had to register through the 
Aadhar card followed by old business rules and procedures like manual 
filling of forms and uploading, licensing agreement with user and 
approved by SOI. Over all the process was time consuming and difficult 
for users.

 
(https://www.geospatialworld.net/article/indian-geospatial-industry-gets-massive-boost-with-the-launch-of-two-new-portals-gis/)

Thanks,
naveenpf
On Friday, 21 May, 2021 at 8:20:44 am UTC+5:30 shara...@gmail.com 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: global 10 m landuse data

[शरच्चंद्र लेले]

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


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

[शरच्चंद्र लेले]

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

[शरच्चंद्र लेले]

Dear Ved,

I agree that may be the reason. But I am wondering if it is a good 
enough reason. In all new technologies, state agencies have the capacity 
and the onus to take risks and carry out R that will speed up their 
deployment, iron out kinks and concerns, ensure that the technologies 
become accessible for the right uses and to the weaker sections of 
society that may not be able to afford commercial ones, and to state 
agencies working for the public good. Since drone-based RS is indeed a 
cutting edge technology, I was hoping the policy would take cognizance 
of that and propose positive steps to engage with it, to build it up, 
and make it available. (The way govt did for satellite based RS).


Sharad


On 27-11-2020 22:50, Ved Kolhatkar wrote:
I think the reason why Department of Space might not be commenting 
much on drones or UAV for that matter is that,in India drones are 
mainly used for strategic purposes in order to fortify India's 
defences . Commercial use of drone requires registration in India 
which could be a bit tedious process and even when one registers they 
have to follow  rules and regulations which if are violated comes with 
a penalty. Even though India does not outright ban the commercial use 
of drones . It still requires a person who is licenced to fly a drone. 
Another reason might be that operating and using a drone is not a 
cheap affair which means it cant be afforded by all. No doubt 
UAV/drones are cutting edge technology. If at all there are more 
relaxations to usage of drones/UAV in terms of rules and regulations, 
its cost etc we will definitely see a rise in data being available to 
public not just by data enthusiasts but also through official channels.


On Fri, 27 Nov 2020 at 22:14, Sharad Lele <mailto:sharad.l...@gmail.com>> 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 <mailto: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.

Logo <https://spatialthoughts.com/>   
Ujaval Gandhi
Spatial Thoughts
mobile: +91-8095684687 
email: uja...@spatialthoughts.com
LinkedIn icon <https://www.linkedin.com/in/spatialthoughts/>
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
--
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GPG ID :  0xBFFC8DD3C06DD6B0


On Fri, 27 Nov 2020 at 19:30, Sharad Lele (शरच्चंद्र लेले)
 wrote:

Please read and comment.


https://www.isro.gov.in/sites/default/files/spacers_policy_ngp_2020_draft.pdf

Sharad

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Re: [datameet] Re: mumbai district boundary

[शरच्चंद्र लेले]

Sending just the outer boundaries of Mumbai and Mumbai Suburban 
district. CRS is Geographic.


Sharad


On 15-07-2020 18:52, rvc wrote:
Hi all, i am looking for vector file for the attached mumbai district 
boundary. All the responses that i have received, none has this boundary.
I request anyone who has this district boundary to share the vector 
version.


Thanks
Ravi

On Tuesday, July 7, 2020 at 10:57:29 PM UTC+5:30, 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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UTF-8

Only Mumbai and Mumbai Suburban district boundaries.dbf
Description: Binary data
GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

Only Mumbai and Mumbai Suburban district boundaries.shp
Description: Binary data


Only Mumbai and Mumbai Suburban district boundaries.shx
Description: Binary data

Re: [datameet] Re: 2001 village and town boundaries

[शरच्चंद्र लेले]

Dear Digvijay:

Thanks for this information. I did not know about the censusgis.org 
portal. It seems to have boundaries for areas where I have otherwise 
drawn a blank. BUT it is really hard to use this portal for anything 
other than to 'see' approximately what is going on. Pity. Do you know 
who RIDDHI is? It appears to have been authorised by Census of India to 
put this up.


You may also notice that the IITB maps are _different_ from the Census 
maps. They appear to come from the MRSAC maps that are present on the 
MRSAC portal. (Not sure why CSE-IITB folks have not indicated the 
source). These maps/boundaries are in my opinion much more accurate 
(both in terms of their shape and their geo-positioning) as compared to 
Census maps, but that leaves certain questions about missing villages 
unanswered... The missing polygons in these maps appear to be either 
forest polygons or town polygons, and am curious why they have gone 
missing. Is there someone from CSE-IITB team that we can loop in on this?


Sharad


On 31-05-2020 13:37, Digvijay Bendrikar Shinde wrote:

Hello Prof Mark,

Thank you for the resource.

Have you seen the India GIS portal? http://www.censusgis.org/india/ it 
has the census data of 2001 and 2011 integrated with (up to) Village 
level shapefiles. you can make basic spatial viz using this. But files 
can not be downloaded.


Also, CSE department, IIT Bombay has put Maharashtra state's Census 
'11 data integrated village level shapefiles here 
https://www.cse.iitb.ac.in/~pocra/MahaCensus_shapefile_data1.2/Boundary.html 



Hope this helps in you.

Regards,
Digvijay
PhD Scholar
CTARA, IIT Bombay

On Sun, May 31, 2020 at 1:07 PM Sharad Lele > wrote:


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 

Re: [datameet] Re: BhuNaksha: source of cadastral maps

[शरच्चंद्र लेले]

Dear Dilawar:

Many thanks for sharing this. Unfortunately, I am a complete ignoramus 
when it comes to Python, selenium or even accessing stuff from GitHub :-[


Is there any way that you (or anyone else) can help? (Sorry, probably 
asking too much here!)


The site is http://bhunaksha.cg.nic.in/

(It appears to have gone down today, should be up tomorrow or so).

Sharad

On 26-04-2020 13:48, Dilawar Singh wrote:
Its quite possible. I've used python+selenium to automate browser for 
a horribly designed website. You can tweak it for your usage: 
https://github.com/dilawar/GreenWatchData


best,
    Dilawar



On Saturday, April 25, 2020 at 1:26:28 PM UTC+5:30, Sharad Lele wrote:

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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Re: [datameet] Re: BhuNaksha: source of cadastral maps

[शरच्चंद्र लेले]

Dear Prabhakar:

Thanks for the link. I looked it up. It is rather awkward to use, and I 
could not see SOI layers. Most important, there is no cadastral 
information, only village boundaries. And of course, like in the other 
cases, the boundary is not downloadable.


Best,
Sharad


On 20-12-2019 19:13, Prabhakar Rajagopal wrote:

Dear Sharad,

Have you looked at Bharatmaps...
They have all the census villages all marked up and much more.

https://bharatmaps.gov.in/map.aspx
They have all the SOI layers on the map as well.

Good to visualize.

Prabhakar


On Sat, Dec 14, 2019 at 11:16 AM Sharad Lele > wrote:


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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Re: [datameet] Re: Correct CRS for datameet maps

[शरच्चंद्र लेले]

Nice! I did not know this!


On 19-04-2019 06:46, Naraina Damle wrote:

I would like to add my two cents to this discussion.

You need to read, study, learn and practice this stuff about 
Coordinate System and projections.


You can always land up in surprise\ing situations.

One thing I would like to mention here is to Split the thing in Two 
Aspects : DATUM and PROJECTION and understand the difference between 
the two.



Simply stated just saying "WGS84" is not complete. It is only talking 
about Datum and not projections.


DATUM DECIDES WHAT IS THE PRECISE LATITUDE AND LONGITUDE OF  A PLACE.

As per WGS84 the ZERO Longitude is NOT at Greenwhich line  it is a 
little away.


https://gis.stackexchange.com/questions/88428/why-is-the-gps-reference-meridian-100m-to-the-east-of-the-prime-meridian 



One needs to Know and use Datum even if you want to make a Map on a 
Actually Sphere / Globe. But in this case you do not need projection.


PROJECTION DECIDES HOW YOU ARE FLATTENING THE SPHERE/ PART OF IT TO 
SEE IT ON A FLAT MAP.


So in case of a Flat map You need to be careful about DATUM as well as 
PROJECTION.


Datum is required because there were historical maps made with Datum 
other than WGS84.


.. This is just a simplified way but it is more complex. I am a 
permanent learner.


Regards
Naraina Damle



On Thursday, April 18, 2019 at 11:08:57 PM UTC+5:30, Sharad Lele wrote:

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

Re: [datameet] Re: India Shape Files

[शरच्चंद्र लेले]

Dear Arun:

Can you help me understand this by downloading, processing attributes, 
and sharing the village layer for one state--say Madhya Pradesh?


I may be asking too much, but in fact if this method for downloading 
village shapefiles from Bhuvan is feasible, it would be great to 
complete the repository of village boundary shapefiles started by 
Thejesh and other datameet folks.


Sharad


On 28-10-2018 11:58, 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





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=05545=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=1.0.0=GetFeature=cite:Village2014=the_geom,VIL_2011,VIL_NAME11_FILTER=VIL_2011=%27613256%27=50=json

Re: [datameet] Village boundaries map for Odisha

[Sharad Lele [शरच्चंद्र लेले]]

Dilip:

Having banged my head against the same brick wall, I agree broadly with 
what you have said. I have a few additional points, though.


1. If one wants a single village or few villages to be mapped, one can 
try to use the village cadastral maps. It is laborious, because again 
the maps are not georeferenced, but feasible with some ground data. Even 
here, errors are significant: 100s of meters often (especially for 
common lands/forest lands on the edges of villages, and especially in 
hilly areas)


2. The only publicly available source of village boundary maps (a full 
sheet of polygons) is the district census handbook, which contain 1 page 
each showing all the villages in a taluka (or sometimes CD block). They 
in turn have only sourced this from the directorate of land records and 
survey settlement in each state. We spoke to the directorate in 
karnataka, and the way they have created these taluka-level maps was to 
lay down all the individual village cadastral maps on the floor and 
piece them together like a jigsaw puzzle. of course they could not do 
this very precisely--they were left with gaps and overlaps, and they 
simply 'adjusted' them as best as possible. These 'puzzles' covered the 
whole floor of a big hall (because a taluka may contain 100 villages) 
and then they 'reduced' the hall size map to a page using analog drawing 
techniques. So the census/DLS maps are quite crude. As Dilip says: 
adequate to let you know which village is where, and what is its 
approximate shape, but area of the polygon can differ from cadastral map 
areas by upto 50%. To add to the problem: census has been very 
inconsistent in the way they deal with uninhabited villages: sometimes 
showing them, sometimes not, etc.


3. I don't quite agree with Dilip about habitation: It is true that 
folks owning land in village A may actually live in village B. As an 
extreme version of this, it can happen that village A may have zero 
population, but non-zero cultivated land, because all the cultivators 
live in village B. But the 'settlement' of a village by definition has 
to lie within its boundary, because settlement refers by definition to 
the people living in the village (not all people owning land in the 
village).


4. So also I don't understand Dilip's point 5 about habitations merging. 
Sure: settlement be side by side and physically contiguous across a 
revenue village boundary, but that to me is not an issue: census, if 
properly done, will put the two sets of households in their respective 
villages.


5. Frankly, at this point, I would be happy even if NRSC/Bhuvan and 
others released a polygon layer of 2011 and 2001 village polygons AS IT 
IS, but with consistent and complete numbering of polygons, and 
georeferenced to the best of their ability (with a statement about how 
much error is expected).


6. HOWEVER, THERE IS MORE ACCURATE DATA, IT IS JUST NOT BEING PUT IN THE 
PUBLIC DOMAIN:
a) most states have land record digitisation which now includes 
digitization of cadastral maps. But they either don't share it at all, 
or charge you huge amounts for it, even though it is created with public 
money. of course, cadastral data are i) not georeferenced, and ii) out 
of date, iii) one village at a time (which when combined with the 
non-georeferenced nature make things difficult to put together. But 
again, something would be better than nothing.
b) NRSC and/or state agencies are working on projects to georeference 
village boundaries and individual parcels. No one knows how far they 
have gone in each state, how good their work is, and cerrtainly none of 
it is in the public domain. But it is there, and we must constantly push 
to get access to it as a matter of right.
c) Many individual programmes/projects such as watershed development, 
irrigation, agriculture department projects do their own digitisation 
and georeferencing. Again, they refuse to share it.
d) Census 2011 had put out a ppt claiming (for towns) they have even 
mapped individual streets and buildings (I had posted the link to this 
ppt some years ago), but when we asked them, they denied any knowledge 
about it!


7) About whether accurate data is every possible: the problem is not 
technical or even one of quality control in implementation. The problem 
is inherently political: folks in villages or towns have always opposed 
rigorous surveying because they think they stand to lose, or might get 
punished when their encroachments come to light, etc. DLR-Karnataka ran 
a pilot project which took them 6 months per village because of this 
kind of opposition.


Sharad

On 31-12-2017 00:30, Dilip Damle wrote:

Hello
The Village boundary puzzle will always remain a puzzle.
Recently I have worked on a Creating as good a Village Map as I could 
do for a Block in Uttarakhand consisting of only 125 Villages.


I had an earlier map that I had traced form the Patwari/Cesuns ,ap 20 
years ago. But the areas of that map were in the range of 25% 

Re: [datameet] Re: Census codes 2001 and 2011

[Sharad Lele [शरच्चंद्र लेले]]

Dear Dilip:

Just to add to my public message: I had independently purchased the 
code-conversion tables (2001 to 2011) from Census. And have given a copy 
to Thejesh to upload to github. So it should be up there soon, in case 
the ones sent by Mishra don't work for some reason (they are identical 
as far as I know)


Sharad

On 14-07-2017 18:12, Dilip Damle wrote:

Thank you all for the responses.
Let us see where this takes us.

On Tuesday, July 11, 2017 at 7:41:25 PM UTC+5:30, Dilip Damle wrote:

Hello,

is there any  logic or data to link the village census codes of
2001 and 2011. Or they are completely different.

It appears that there is no way to link the codes which IMO is a
blunder in this computer age.

If there is a mapping between the codes anywhere please let me know.

Regards
Dilip Damle

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

[Sharad Lele [शरच्चंद्र लेले]]

Chitra:

If you have this data for several of the states requested by Mukesh, I 
would also be interested in getting a copy.


Sharad

On 29-11-2016 22:51, mukesh ray wrote:

That would be a great help Chitra.

Thanks
Mukesh

On Sun, Nov 27, 2016 at 9:09 PM, Chitra Jogani > wrote:


Hi Mukesh,

I do have this data, I could make it available to you within a day
or so if not a problem.

Thanks,
Chitra


On Sunday, 27 November 2016 13:04:20 UTC-6, mukesh ray wrote:

Hi Sharad,
I wanted data for UP, Uttarakhand, Jharkhand,
Bihar, MP and Chhattisgarh. It would be very helpful, if you
have them and can share them with me


Thanks
Mukesh

On Thursday, November 24, 2016 at 12:59:16 AM UTC-5, Sharad
Lele wrote:

Depends upon which state you want them for. Many of us
purchased the 2001 datasets at some point, and I would
certainly be happy to share what I have because I believe
the data should be in the public domain just like 2011
data are 

Sharad

On 24-11-2016 04:27, mukesh ray wrote:

Hello everyone,
I was wondering if anyone has
access to the village amenities data for 2001. The data
for 2011 is available online, but the data for 2001 does
not seem to be available online anywhere. I saw this
thread of discussion online and I hope someone could help
me with the datasets.

Thanks
Mukesh

On Saturday, March 1, 2014 at 12:23:17 AM UTC-5, Fenella
C wrote:

Hello everyone,

I am wondering if any of you have the village-wise
2001 Indian census data in a spreadsheet (or similar)
format? I am basically looking for information at the
village level from the 2001 census (e.g., population
of the village, number of households in the village,
etc.)

The data is available online at the census website
here

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx


but it is not available in a spreadsheet. I have
already tried web scraping the data, but it is
painfully slow, so I'm wondering if I can find it
elsewhere.

Many thanks,
Fenella

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

[Sharad Lele [शरच्चंद्र लेले]]

Mukesh and others:

Data for Madhya Pradesh Village Amenities 2001 (just the table) has been 
uploaded here:


https://www.dropbox.com/s/bazvdg9ikxufnz4/MP%20Village%20Amenities%202001.zip?dl=0

Sharad

On 28-11-2016 00:24, mukesh ray wrote:

Hi Sharad,
I wanted data for UP, Uttarakhand, Jharkhand, Bihar, 
MP and Chhattisgarh. It would be very helpful, if you have them and 
can share them with me



Thanks
Mukesh

On Thursday, November 24, 2016 at 12:59:16 AM UTC-5, Sharad Lele wrote:

Depends upon which state you want them for. Many of us purchased
the 2001 datasets at some point, and I would certainly be happy to
share what I have because I believe the data should be in the
public domain just like 2011 data are 

Sharad

On 24-11-2016 04:27, mukesh ray wrote:

Hello everyone,
I was wondering if anyone has access to
the village amenities data for 2001. The data for 2011 is
available online, but the data for 2001 does not seem to be
available online anywhere. I saw this thread of discussion online
and I hope someone could help me with the datasets.

Thanks
Mukesh

On Saturday, March 1, 2014 at 12:23:17 AM UTC-5, Fenella C wrote:

Hello everyone,

I am wondering if any of you have the village-wise 2001
Indian census data in a spreadsheet (or similar) format? I am
basically looking for information at the village level from
the 2001 census (e.g., population of the village, number of
households in the village, etc.)

The data is available online at the census website here

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx


but it is not available in a spreadsheet. I have already
tried web scraping the data, but it is painfully slow, so I'm
wondering if I can find it elsewhere.

Many thanks,
Fenella

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

[Sharad Lele [शरच्चंद्र लेले]]

Note that there is a commercial source who sells 2001 CDs. So although 
it burns me up to have to pay for this data that ought to be in the 
public domain, if you have the money and your need is urgent...


Contact: bookwellde...@gmail.com
M.S. Khurana
Bookwell
3/79, Nirankari Colony,
Delhi-110009
Ph: 011-27601283, Mob: 9810043240


Sharad

On 28-11-2016 08:23, mukesh ray wrote:

Thank you Sharad

On Sun, Nov 27, 2016 at 9:47 PM, "Sharad Lele [शरच्चंद्र लेले]" 
<sharad.l...@gmail.com <mailto:sharad.l...@gmail.com>> wrote:


Mukesh:

I have 2001 data only for MP, and then maybe for Uttarakhand (have
to check). Will try to track this down and send via dropbox or
something in next few days...

Sharad


On 28-11-2016 00:24, mukesh ray wrote:

Hi Sharad,
I wanted data for UP, Uttarakhand, Jharkhand,
Bihar, MP and Chhattisgarh. It would be very helpful, if you have
them and can share them with me


Thanks
Mukesh

On Thursday, November 24, 2016 at 12:59:16 AM UTC-5, Sharad Lele
wrote:

Depends upon which state you want them for. Many of us
purchased the 2001 datasets at some point, and I would
certainly be happy to share what I have because I believe the
data should be in the public domain just like 2011 data are 

Sharad

On 24-11-2016 04:27, mukesh ray wrote:

Hello everyone,
I was wondering if anyone has access
to the village amenities data for 2001. The data for 2011 is
available online, but the data for 2001 does not seem to be
available online anywhere. I saw this thread of discussion
online and I hope someone could help me with the datasets.

Thanks
Mukesh

On Saturday, March 1, 2014 at 12:23:17 AM UTC-5, Fenella C
wrote:

Hello everyone,

I am wondering if any of you have the village-wise 2001
Indian census data in a spreadsheet (or similar) format?
I am basically looking for information at the village
level from the 2001 census (e.g., population of the
village, number of households in the village, etc.)

The data is available online at the census website here

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx

<http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx>
but it is not available in a spreadsheet. I have already
tried web scraping the data, but it is painfully slow,
so I'm wondering if I can find it elsewhere.

Many thanks,
Fenella

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

[Sharad Lele [शरच्चंद्र लेले]]

Mukesh:

I have 2001 data only for MP, and then maybe for Uttarakhand (have to 
check). Will try to track this down and send via dropbox or something in 
next few days...


Sharad

On 28-11-2016 00:24, mukesh ray wrote:

Hi Sharad,
I wanted data for UP, Uttarakhand, Jharkhand, Bihar, 
MP and Chhattisgarh. It would be very helpful, if you have them and 
can share them with me



Thanks
Mukesh

On Thursday, November 24, 2016 at 12:59:16 AM UTC-5, Sharad Lele wrote:

Depends upon which state you want them for. Many of us purchased
the 2001 datasets at some point, and I would certainly be happy to
share what I have because I believe the data should be in the
public domain just like 2011 data are 

Sharad

On 24-11-2016 04:27, mukesh ray wrote:

Hello everyone,
I was wondering if anyone has access to
the village amenities data for 2001. The data for 2011 is
available online, but the data for 2001 does not seem to be
available online anywhere. I saw this thread of discussion online
and I hope someone could help me with the datasets.

Thanks
Mukesh

On Saturday, March 1, 2014 at 12:23:17 AM UTC-5, Fenella C wrote:

Hello everyone,

I am wondering if any of you have the village-wise 2001
Indian census data in a spreadsheet (or similar) format? I am
basically looking for information at the village level from
the 2001 census (e.g., population of the village, number of
households in the village, etc.)

The data is available online at the census website here

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx


but it is not available in a spreadsheet. I have already
tried web scraping the data, but it is painfully slow, so I'm
wondering if I can find it elsewhere.

Many thanks,
Fenella

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[datameet] Statewise Administrative atlases 2011 are now online

[Sharad Lele [शरच्चंद्र लेले]]

http://www.censusindia.gov.in/2011census/maps/atlas/administrative_atlas.html

They contain maps and lists for each taluka, with the maps showing 
village boundaries. This at least enables us to understand where a 
village listed in the census 2011 PCA or DCHB tables is actually located.


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[datameet] National Library of India

[Sharad Lele [शरच्चंद्र लेले]]

Does anyone have access to this? Seems to contain a lot of material.

http://opac.nationallibrary.gov.in/cgi-bin/gw/chameleon

E.g. it lists latest Administrative Atlases (2011 census) which will 
give latest village boundaries (in pdf form, of course)


Call No GP 312(54) In2 [2011] Odisha
Author  India. Office of The Registrar General and Census Commissioner
Title 	Administrative Atlas : Odisha / Office of the Registrar General & 
Census Commissioner, India

Title   [Census of India 2011]
Publisher 	New Delhi : The Office; Bhubaneswar : Directorate of Census 
Operations, Odisha, 2012

Material2 v. : maps (some col.); 29.5 cm.
Add.Author  India. Directorate of Census operations, Odisha
View Full Record 
 




Any idea how to access this?

Sharad

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[datameet] Fwd: Fwd: [New post] Happy Independence Day and Open Indian Village Boundaries

[Sharad Lele [शरच्चंद्र लेले]]

For some reason, this email by Thejesh did not show up datameet (or 
maybe I just missed it?). So forwarding it to the group.


Thejesh, thanks for this. I have two queries:

1. Is this effort different from the effort by Nisha? My impression was 
that we had (with the group) access to boundaries of many more states, 
but the issue was copyright etc, and that Nisha, you and some others 
were taking legal opinion on the same. Is what you have put out a result 
of that? What is the legal opinion?


2. I think I have asked this silly question on the group before, but 
have to ask it again: what is the 'json' format, and why is it better to 
put the data out in that format than in .shp? And how does one convert 
from json to .shp?


Thanks.
Sharad

-

-- Forwarded message --
From: "Data{Meet}" >

Date: 15 Aug 2016 10:27
Subject: [New post] Happy Independence Day and Open Indian Village 
Boundaries

To: >
Cc:

Thejesh GN posted: "One of the longest and most passionately discussed 
subject on the Data{Meet} list is the availability of Indian Village 
Boundaries in Digital format. Search for Indian Village shape files and 
you can spend hours on reading interesting conversations. Over"



   New post on *Data{Meet}*



   


   Happy Independence Day and Open Indian Village Boundaries
   


by Thejesh GN 

One of the longest and most passionately discussed subject on the 
Data{Meet} list is the availability of Indian Village Boundaries in 
Digital format. Search for Indian Village shape files 
 
and you can spend hours on reading interesting conversations.


Over last two years different members of community have tried to 
digitize 
 
the maps available through various government platforms or shared the 
maps through their organizations 
.


A look at the list discussion tells you that boundaries of at the least 
75% of the states are available in various formats and quality. What we 
need at this point is a consolidate effort to bring them all on par in 
format, attributes and to some level quality. So some volunteers at 
Data{Meet} agreed to come together, clean up the available maps, add 
attributes, make them geojson and publish them on our GitHub repository 
called Indian Village Boundaries 
.


Of course this will be an on going effort but we would love to reach a 
baseline (all states) by year end. As of now I have cleaned up and 
uploaded Gujarat. I have at the least 4 more states to go live by month 
end. Karnataka, Kerala, Tamil Nadu and Goa. I will announce them on the 
list as they go live.


The boundaries are organized by state using state ISO code. All the 
village boundaries are available in geojson (WGS84, EPSG4326) format. 
The project page  
gives you the status of the data as we clean and upload. Data is not 
perfect yet, there could many errors both in data and boundaries. You 
can contribute by sending the pull requests. Please use the census names 
when correcting the attributes and geojson for shapes and but please 
source them to an official source.


Like everything else community creates. All map data will be available 
under Open Data Commons Open Database License (ODbL) 
. This data is distributed in 
the hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
PURPOSE. If you find issues we are more than happy to accept corrections 
but please source them to an official source.


On this 70th Independence day, as we celebrate the historic event of 
India becoming Free and Independent, Data{Meet} community celebrates by 
cleaning, formatting and digitizing our village boundaries. Have a great 
time using the maps and contributing back to society.


*https://github.com/datameet/indian_village_boundaries 


*

Picture: Kedarnath range behind the Kedarnath temple early morning. By 
Kaustabh, Available under CCBYSA 
.


*Thejesh GN * | August 15, 2016 at 10:26 
am | Tags: featured 
, Indian Village 
Maps , 
Maps 

Re: [datameet] Re: Map Digitalization Effort

[Sharad Lele [शरच्चंद्र लेले]]

Dear Dilip:

the projection depends upon the source. In most cases, the only source 
that exists is the Census district handbook maps. These in turn have 
been prepared from taluka level maps that the Directorate of Land 
Records and Survey Settlement creates from village-level cadastral maps. 
Now this method by definition means there is no original projection 
system, and that these maps are not geo-corrected (not 
terrain-corrected) as the originals are based on chain survey and plain 
table surveys, not theodolite surveys. So unless someone has done some 
correction work before creating the maps you used, they would have 
significant limitations in terms of geo-referencing. Our experience (we 
created the Karnataka layer from scratch, by digitizing the individual 
taluka-level village boundary maps by hand) tells us RMS errors of 2-3km 
for the state as a whole would be normal. What we did was to 
georeference by matching the state boundary so created to the Survey of 
India state boundary, which is available and is a properly projected 
layer. (Simply creating a prj file for the existing map does not work, 
because the scans will be anyway in centimetre or mm or inch units. So 
you need pucca geo-rectification.) Fairly easily done in QGIS.


I hope this helps. Am still digging for the layers we supposedly have.

Sharad

On 18-01-2016 12:57, Dilip Damle wrote:

Hi,

I think I will share the data anyway after doing some checks. I am not 
attempting the attribute linking right now because that will be a 
bigger effort.


I tried to georeference it.
My approach was as follows.
So far I have not used any transformations which distorts the shape as 
it was in the PDF file.
I imported each district separately and have been able to match them 
with each other to make the whole of Gujarat using only MOVE, SCALE 
(EQUAL XY) and ROTATE.

Practically I used the Autocad ALIGN command.

Which means I have exactly same shape as in PDF files.

Then I thought I will guess the original projection and see if it 
matches and then reproject it rather than Doing any 
rubbersheeting/other arbritrary distortions to shape.


I tried LCC projection for India , UTM 43N, and LL84 in that order. 
They do not seem to match.


Anyone may suggest any other possible projection.

Otherwise I will check it and share it as it is.

This is the summary of the Data :

33 districts : 114 Polylines in Autocad (because of Islands and enclaves)
379 Taluka Polylines
20128 Village polylines
15804 Text names
16137 Markers manly the Village dot.



On Monday, January 18, 2016 at 12:41:51 AM UTC+5:30, Sharad Lele wrote:

Dilip:

before you put in more effort, could you pause for 24hrs? I think
I may have the Gujarat village boundary file for 1991 in vector
(un-georeferenced) format. Will know by tomorrow.

Sharad

On 18-01-2016 00:35, Dilip Damle wrote:

HI,

I have been able to put together Gujarat boundaries from the PDF
files in the links above.
Right now it is an Autocad Drawing with Village, Taluk, and
District boundaries.
I will try to georeference it and share as .dwg  somewhere.
It is about 55 MB file.
Shape file may be a long way away since there is no point in it
without at least village name attributes.
Links names may take take some time. Some one else also can try
it may be faster than me.
enclosed two snapshots. DWG file tomorrow/day after.
I will create a new discussion thread for sharing/discussing the
dwg file.






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


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Re: [datameet] Re: Map Digitalization Effort

[Sharad Lele [शरच्चंद्र लेले]]

I am hoping to lay my hands on old (1991) village boundary layer maps 
for many states.


We should probably focus our energies on Town Ward boundary maps--these 
are the hardest to get.


Copyright: I would not worry about this---this has to be public 
information...



On 16-01-2016 18:35, Dilip Damle wrote:

Hi,
What are the copyright / legal issues in reverse engineering these 
maps and sharing them back publicly.


I have checked the maps On the link Bihar and Gujarat seen to be good 
because they are vector and have layers which can be reverse 
engineered as separatr layers. Rajiv Gandhi awas yojna maps are raste 
rand are practically useless.


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


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

[Sharad Lele [शरच्चंद्र लेले]]

That is how we got them for Nelamangala (through the CEO of the 
municipal council).


Ramanagara Commissioner was totally non-cooperative--threw us out.

Have you put the Hubli-Dharwad map out in public domain? You should.

Sharad
On 27-11-2015 18:49, Sudheendra Hangal wrote:
MRC has a new Joint Director who is supposed to be good, maybe write 
to him directly.


Also, suggest you try to contact the commissioner of Ramanagara.
We had no trouble getting the files for Hubli-Dharwad, thanks to a 
pro-active commissioner.


S


On Fri, Nov 27, 2015 at 5:14 PM, "Sharad Lele [शरच्चंद्र लेले]" 
<sharad.l...@gmail.com <mailto:sharad.l...@gmail.com>> wrote:


well, we have a written request pending with MRC for the last 6
months for ward boundaries of just one town (Ramanagara). They say
they cannot give them to us directly. The municipality has to
request the file, and then the municipality can share it with
whomsoever they want. So its just a ping-pong...

if you have better luck, please share the boundaries online.

Sharad


On 27-11-2015 16:36, Sudheendra Hangal wrote:

At least in Karnataka, you can contact the Municipal Reforms Cell
(MRC) for getting the ward-level shape files for various urban
local bodies.

http://mrc.gov.in

S


On Wed, Nov 25, 2015 at 10:22 PM, "Sharad Lele [शरच्चंद्र लेले]"
<sharad.l...@gmail.com <mailto:sharad.l...@gmail.com>> wrote:

Thanks, Vinoth.

Do keep up posted on what happens!

Will circulate information about your startup, which sounds
interesting!

Sharad


On 25-11-2015 16:11, Vinoth R wrote:

Not  sure if anyone has filed RTI. I filed an RTI with
census department today.

Between my startup helps citizens to file RTI application
(onlinerti.com <https://onlinerti.com>). If you guys have
any more RTI request send it to me.
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Re: [datameet] Re: Census of India seems to have maps of everything!

[Sharad Lele [शरच्चंद्र लेले]]

Thanks, Vinoth.

Do keep up posted on what happens!

Will circulate information about your startup, which sounds interesting!

Sharad

On 25-11-2015 16:11, Vinoth R wrote:
Not  sure if anyone has filed RTI. I filed an RTI with census 
department today.


Between my startup helps citizens to file RTI application 
(onlinerti.com ). If you guys have any more RTI 
request send it to me.

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

[Sharad Lele [शरच्चंद्र लेले]]

Here is an update from my colleague who tried to get these maps:

/I called Delhi folks. Apparently, town with ward boundary maps are not 
available for public dissemination at the moment for any state. He asked 
me to purchase the state map book (which is available online) for the 
all the maps they have. /


Clearly, RTI is called for.
Sharad

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

[Sharad Lele [शरच्चंद्र लेले]]

Dear Sudheendra:

Well, you know how right hand does not know what left hand has done.

Please see the ppt that Census person made to NSDI in 2011:

https://*nsdi*india.gov.in/ 
<http://india.gov.in/>*nsdi*/*nsdi*portal/*nsdi*10/presentations/*census*.pdf


They claim to have ward boundaries for more than 7,000 towns

Sharad


On 28-10-2015 13:18, Sudheendra Hangal wrote:
I very much doubt the census bureau (or anyone else) has the shape 
files at a ward level across the country.


I know that Hubli-Dharwad recently commissioned a company to generate 
shape files for their wards (that data is soon going to be made 
available). But if it already existed, they wouldn't have needed to.




On Wed, Oct 28, 2015 at 7:57 AM, "Sharad Lele [शरच्चंद्र लेले]" 
<sharad.l...@gmail.com <mailto:sharad.l...@gmail.com>> wrote:


Dear Nishadh;

Many thanks for pointing us to this link, where the 2011 pdf maps
have now been uploaded.

1. I could not find any urban ward-level boundaries in the pdf. I
only see taluk-wise or tehsil-wise maps in which village
boundaries are shown, and also the urban area is marked as a
whole. But no ward boundaries within the urban area. Am I missing
something?

2. About shapefile: Ah! this is the eternal battle! As I said in
an earlier post, census MUST be having all these boundaries
digitized, and has in fact boasted in an internal presentation
that they have sub-ward-level maps. But they refuse to acknowledge
that when we approach them. Maybe someone should file an RTI.

Till then we have to take the shapefiles we have (such as the one
I posted for Karnataka) and update them using the pdf as a guide.
(crude).

Sharad



On 27-10-2015 19:41, nishadh wrote:

This link

http://www.censusindia.gov.in/2011census/maps/atlas/administrative_atlas.html
has (but in pdf!) census data map linked by the unique codes
upto the lowest ward level. Any way to avail in shape file?


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

[Sharad Lele [शरच्चंद्र लेले]]

Have edited the request to reflect format we use for our RTI filings.

Sharad

On 28-10-2015 09:22, Thejesh GN wrote:

I can file the RTI.  Can we edit the RTI request together

https://datameet.hackpad.com/RTI-For-Census-Maps-wLp9EyWVImn

Will file the request sometime next week.

Thej
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GPG ID :  0xBFFC8DD3C06DD6B0

On 28 October 2015 at 07:57, "Sharad Lele [शरच्चंद्र लेले]" 
<sharad.l...@gmail.com <mailto:sharad.l...@gmail.com>> wrote:


Dear Nishadh;

Many thanks for pointing us to this link, where the 2011 pdf maps
have now been uploaded.

1. I could not find any urban ward-level boundaries in the pdf. I
only see taluk-wise or tehsil-wise maps in which village
boundaries are shown, and also the urban area is marked as a
whole. But no ward boundaries within the urban area. Am I missing
something?

2. About shapefile: Ah! this is the eternal battle! As I said in
an earlier post, census MUST be having all these boundaries
digitized, and has in fact boasted in an internal presentation
that they have sub-ward-level maps. But they refuse to acknowledge
that when we approach them. Maybe someone should file an RTI.

Till then we have to take the shapefiles we have (such as the one
I posted for Karnataka) and update them using the pdf as a guide.
(crude).

Sharad



On 27-10-2015 19:41, nishadh wrote:

This link

http://www.censusindia.gov.in/2011census/maps/atlas/administrative_atlas.html
has (but in pdf!) census data map linked by the unique codes
upto the lowest ward level. Any way to avail in shape file?


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

[Sharad Lele [शरच्चंद्र लेले]]

Dear Nishadh;

Many thanks for pointing us to this link, where the 2011 pdf maps have 
now been uploaded.


1. I could not find any urban ward-level boundaries in the pdf. I only 
see taluk-wise or tehsil-wise maps in which village boundaries are 
shown, and also the urban area is marked as a whole. But no ward 
boundaries within the urban area. Am I missing something?


2. About shapefile: Ah! this is the eternal battle! As I said in an 
earlier post, census MUST be having all these boundaries digitized, and 
has in fact boasted in an internal presentation that they have 
sub-ward-level maps. But they refuse to acknowledge that when we 
approach them. Maybe someone should file an RTI.


Till then we have to take the shapefiles we have (such as the one I 
posted for Karnataka) and update them using the pdf as a guide. (crude).


Sharad


On 27-10-2015 19:41, nishadh wrote:

This link 
http://www.censusindia.gov.in/2011census/maps/atlas/administrative_atlas.html 
has (but in pdf!) census data map linked by the unique codes upto the lowest 
ward level. Any way to avail in shape file?



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

[Sharad Lele [शरच्चंद्र लेले]]

The original claim that Census has all these maps was made on the basis 
of a ppt that was found online by a senior Census officer, in which he 
states in detail what mapping work Census has done for 2011 census. 
Please look up the first post in this thread.


On 03-10-2015 12:13, srinivas kodali wrote:
I don`t think, it`s census department. The maps might be collected by 
National Geo Informatics Framework, under the ministry of science and 
technology. Go to any collector`s office, you will find a map of the 
district from NIC geo informatics division


Regards,
Srinivas Kodali

On Sat, Oct 3, 2015 at 11:36 AM, Sharad Lele > wrote:


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] Re: Shapefiles for complete India

[Sharad Lele [शरच्चंद्र लेले]]

Dear Dipal:

http://biogeo.ucdavis.edu/data/gadm2/shp/IND_adm.zip

This is the link for GADM boundaries for india.

Sharad

On 14-Apr-15 11:10 AM, Dipal Thakker wrote:

Shashank, Shashank, and DM comrades

Great if someone can point me to the most complete / recent version of 
IND_adm3 data. I am working on a census tool and I have done some work 
for few states, but stuck without detailed boundary data-sets.


I visited BISAG, a nodal agency in Gujarat which I am told has the 
most detailed GIS data sets for Gujarat and most parts of India, but 
was booted out on my request to access, lease, license, or rent data 
set.. its such a shame that on one hand PM/govt is talking about open 
data and on other there is a thick bureaucratic red tape.


Cheers
*
**| Dipal Thakker*

On 14 April 2015 at 10:41, Sharad Lele [शरच्चंद्र लेले] 
sharad.l...@gmail.com mailto:sharad.l...@gmail.com wrote:


Dear Shashank:

I think the bottom line of the thread below was the the IND_adm3
layer is a reasonably good layer for tehsil boundaries.

Regarding digitizing village boundaries: seems like we are all
condemned to reinvent the wheel because GoI/Planning
Commission/ISRO are not willing to share what they have already
done (and in many cases 10 times over).

For which state are you trying to create a village boundary layer?

Sharad


On 14-Apr-15 10:33 AM, Shashank wrote:

Bumping this up, because I don't think this issue has been
resolved yet. I now have 4 different versions of Indian
administrative boundaries, and my current nightmare is getting
protected area boundaries to line up with them accurately.

What's the best *open* version of Indian administrative
boundaries, down to the Tehsil/Block level, and is there a place
from where it is easily available?

(I'm not even going to ask for village-level data, because among
other things, what we're doing now is digitising revenue village
maps because the MRD itself doesn't have digitised village level
data...yet.)


On Tuesday, January 27, 2015 at 2:02:37 PM UTC+5:30, D Thakker
wrote:

Eric, in my research / experience i have found that
Sub-district, Mandal, Taluka, Tehsil means same and are
division of District when it comes to Census.
But for Revenue dept boundaries are drawn and managed by
district administrative bodies who report to state
administration only.

So for census - District and Sub-district are well defined
boundaries, and I understand from 2011 Census India has
bought a started numbering system which should make future
data reconciliation easier

But for land revenue depaetment - it really depends on the
local administrative reach and function, and is managed and
controlled by state admin bodies.

For eg. Surat has some discrepancy when it comes to Revenue
and Census boundaries. This was something I came across and
even local admin bodies in Surat were not aware


On Thursday, August 7, 2014 at 8:15:45 PM 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
shara...@gmail.com wrote:

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

Sharad


On Thursday, August

Re: [datameet] Re: Shapefiles for complete India

[Sharad Lele [शरच्चंद्र लेले]]

Dear Nagarajan:

Since you are part of the Gujarat Government, surely you have access to 
village boundary layers from BISAG or some other source? These layers 
have been created so many times by different govt projects.


Sharad

On 15-Apr-15 9:04 AM, Nagarajan M wrote:

@Diapl @Ma-roofFully agree. Even i tried the same.

Now looking at creating a GIS based application with whatever open 
data and shapefiles available for rural development.


With Best Regards,

Nagarajan M,  IAS
District Development Officer
District Panchayat,Sabarkantha
Himatnagar - 383 001
Gujarat
M : 08000 42 8000



On Tue, Apr 14, 2015 at 11:48 AM, Sharad Lele [शरच्चंद्र लेले] 
sharad.l...@gmail.com mailto:sharad.l...@gmail.com wrote:


Dear Dipal:

http://biogeo.ucdavis.edu/data/gadm2/shp/IND_adm.zip

This is the link for GADM boundaries for india.

Sharad


On 14-Apr-15 11:10 AM, Dipal Thakker wrote:

Shashank, Shashank, and DM comrades

Great if someone can point me to the most complete / recent
version of IND_adm3 data. I am working on a census tool and I
have done some work for few states, but stuck without detailed
boundary data-sets.

I visited BISAG, a nodal agency in Gujarat which I am told has
the most detailed GIS data sets for Gujarat and most parts of
India, but was booted out on my request to access, lease,
license, or rent data set.. its such a shame that on one hand
PM/govt is talking about open data and on other there is a thick
bureaucratic red tape.

Cheers
*
**| Dipal Thakker*

On 14 April 2015 at 10:41, Sharad Lele [शरच्चंद्र लेले]
sharad.l...@gmail.com mailto:sharad.l...@gmail.com wrote:

Dear Shashank:

I think the bottom line of the thread below was the the
IND_adm3 layer is a reasonably good layer for tehsil boundaries.

Regarding digitizing village boundaries: seems like we are
all condemned to reinvent the wheel because GoI/Planning
Commission/ISRO are not willing to share what they have
already done (and in many cases 10 times over).

For which state are you trying to create a village boundary
layer?

Sharad


On 14-Apr-15 10:33 AM, Shashank wrote:

Bumping this up, because I don't think this issue has been
resolved yet. I now have 4 different versions of Indian
administrative boundaries, and my current nightmare is
getting protected area boundaries to line up with them
accurately.

What's the best *open* version of Indian administrative
boundaries, down to the Tehsil/Block level, and is there a
place from where it is easily available?

(I'm not even going to ask for village-level data, because
among other things, what we're doing now is digitising
revenue village maps because the MRD itself doesn't have
digitised village level data...yet.)


On Tuesday, January 27, 2015 at 2:02:37 PM UTC+5:30, D
Thakker wrote:

Eric, in my research / experience i have found that
Sub-district, Mandal, Taluka, Tehsil means same and are
division of District when it comes to Census.
But for Revenue dept boundaries are drawn and managed by
district administrative bodies who report to state
administration only.

So for census - District and Sub-district are well
defined boundaries, and I understand from 2011 Census
India has bought a started numbering system which should
make future data reconciliation easier

But for land revenue depaetment - it really depends on
the local administrative reach and function, and is
managed and controlled by state admin bodies.

For eg. Surat has some discrepancy when it comes to
Revenue and Census boundaries. This was something I came
across and even local admin bodies in Surat were not aware


On Thursday, August 7, 2014 at 8:15:45 PM 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

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

[Sharad Lele [शरच्चंद्र लेले]]

No problem at all. There is no hurry on this whatsoever. I should 
mention that I already have purchased CDs for 2001 data for several 
states where I do my research.


Sharad

On 17-Dec-14 9:18 AM, Rick Morgan wrote:


Here. Is the code. If you want the *.html and JSON data you can scrape 
it with this. That said, I will work on converting it all to *.csv as 
soon as my R console is free. I hope this helps. Cheers.


On Saturday, March 1, 2014 12:23:17 AM UTC-5, Fenella C wrote:

Hello everyone,

I am wondering if any of you have the village-wise 2001 Indian
census data in a spreadsheet (or similar) format? I am basically
looking for information at the village level from the 2001 census
(e.g., population of the village, number of households in the
village, etc.)

The data is available online at the census website here

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx

http://www.censusindia.gov.in/Census_Data_2001/Village_Directory/View_data/Village_Profile.aspx
but it is not available in a spreadsheet. I have already tried web
scraping the data, but it is painfully slow, so I'm wondering if I
can find it elsewhere.

Many thanks,
Fenella

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Re: [datameet] Re: 2011 subdistrict Maps

[Sharad Lele [शरच्चंद्र लेले]]

But this is not downloadable, is it?

On 13-Oct-14 2:30 PM, Khaliq Parkar wrote:
Bihar has one of the most detailed map sets I can see. They have 
uploaded village boundaries as well.


http://gis.bih.nic.in/GISEditor.html

Con: works only on InternetExplorer.

On Sun, Oct 12, 2014 at 8:04 PM, Khaliq Parkar 
khaliq.par...@gmail.com mailto:khaliq.par...@gmail.com wrote:


Ah!
let me tap my 'institutional' access to see what is possible. will
update soon.

On 10/12/14, Sharad Lele [शरच्चंद्र लेले] sharad.l...@gmail.com
mailto:sharad.l...@gmail.com wrote:
 Khaliq:

 I have seen similar materials for karnataka and tamil nadu
(including
 also the village amenities directory, which is a mine of
information).

 You are right that if one is to buy this for the whole state, it is
 quite a bit of money.

 But the bigger tragedy is (as I had said in a post not so long
ago) that
 Census has, in its 2011 exercise, also created a GIS division
that has
 converted all the boundaries in your pdf file to GIS format, and
also
 gone and mapped down to the level of individual dwellings in many
 cities. They boast about this in a ppt that is available online
which I
 had circulated, but they do not respond to any requests to make
this GIS
 data base available (for free or for payment).

 Sharad

 On 12-Oct-14 11:12 AM, Khaliq Parkar wrote:
 oh no. apart from the codes, their other data including their
not so
 precise maps. Attaching a 2001 sample.
 Only Institutional purchase is viable considering the cost.

 On Sat, Oct 11, 2014 at 11:18 PM, Sharad Lele [शरच्चंद्र लेले]
 sharad.l...@gmail.com mailto:sharad.l...@gmail.com
mailto:sharad.l...@gmail.com mailto:sharad.l...@gmail.com wrote:

 Khaliq:
 When you say they 'sell it', i presume you are referring to the
 location codes created in each census round and the tables that
 link one to the other? in which case Sumit Mishra has already
 posted the all-India dataset for this, right?

 Sharad
 On 11-Oct-14 10:19 PM, Khaliq Parkar wrote:

 Yup, they do. I have all of Maharashtra and all of
Bihar, and
 I can acquire the rest too. I can gather it all and
upload it
 (approx 6-8 GB) if something comes out of it.


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Re: [datameet] Re: 2011 subdistrict Maps

[Sharad Lele [शरच्चंद्र लेले]]

Khaliq:

I have seen similar materials for karnataka and tamil nadu (including 
also the village amenities directory, which is a mine of information).


You are right that if one is to buy this for the whole state, it is 
quite a bit of money.


But the bigger tragedy is (as I had said in a post not so long ago) that 
Census has, in its 2011 exercise, also created a GIS division that has 
converted all the boundaries in your pdf file to GIS format, and also 
gone and mapped down to the level of individual dwellings in many 
cities. They boast about this in a ppt that is available online which I 
had circulated, but they do not respond to any requests to make this GIS 
data base available (for free or for payment).


Sharad

On 12-Oct-14 11:12 AM, Khaliq Parkar wrote:
oh no. apart from the codes, their other data including their not so 
precise maps. Attaching a 2001 sample.

Only Institutional purchase is viable considering the cost.

On Sat, Oct 11, 2014 at 11:18 PM, Sharad Lele [शरच्चंद्र लेले] 
sharad.l...@gmail.com mailto:sharad.l...@gmail.com wrote:


Khaliq:
When you say they 'sell it', i presume you are referring to the
location codes created in each census round and the tables that
link one to the other? in which case Sumit Mishra has already
posted the all-India dataset for this, right?

Sharad
On 11-Oct-14 10:19 PM, Khaliq Parkar wrote:

Yup, they do. I have all of Maharashtra and all of Bihar, and
I can acquire the rest too. I can gather it all and upload it
(approx 6-8 GB) if something comes out of it.


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Re: [datameet] Re: 2011 subdistrict Maps

[Sharad Lele [शरच्चंद्र लेले]]

Khaliq:
When you say they 'sell it', i presume you are referring to the location 
codes created in each census round and the tables that link one to the 
other? in which case Sumit Mishra has already posted the all-India 
dataset for this, right?


Sharad
On 11-Oct-14 10:19 PM, Khaliq Parkar wrote:
Yup, they do. I have all of Maharashtra and all of Bihar, and I can 
acquire the rest too. I can gather it all and upload it (approx 6-8 
GB) if something comes out of it.


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(In press with Oxford University Press India)

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

[Sharad Lele [शरच्चंद्र लेले]]

I have not quite figured out what Mahalwari means, but wikipedia says 
Mahalwari was in Uttar Pradesh, and it sounds more like zamindari.


I am very sure that the system in Madhya Pradesh was Malguzari, see this 
Supreme Court Case:


http://indiankanoon.org/doc/217259/

Sharad

On 19-Sep-14 10:39 AM, Emkay wrote:


Ryotwari is right, Sharadjee, to my knowledge. In some places Mal 
could mean Mahalwari too. Don't know if Malgujari means the same as 
Mahalwari


--Milind Khadilkar
On Friday, September 19, 2014 10:13:51 AM UTC+5:30, Sharad Lele wrote:

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] Re: 2011 subdistrict Maps

[Sharad Lele [शरच्चंद्र लेले]]

Census, but not on their website.

S.
On 13-Sep-14 10:27 PM, Justin Meyers wrote:


Yes, this is what I am looking for. What is the source?

Thanks,
Justin

On Sep 13, 2014 11:42 AM, Sharad Lele sharad.l...@gmail.com 
mailto:sharad.l...@gmail.com wrote:


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

STC 2001DTC 2001Sub-DT 2001 PLCN 2001   NAME OF STATE,
DISTRICTS, SUB-DISTTS.  VILLAGES 2001  2011 MDDS STC   2011 MDDS
DTC 2011 MDDS Sub_DT2011 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  0001Chikodi 29  555 05433   
00  Chikodi
29  01  00010100Hadnal  29  555 05433   597114  
Hadnal
29  01  00010200Sulagaon29  555 05433   
597115  Sulagaon
29  01  00010300Mattiwade   29  555 05433   
597116  Mattiwade
29  01  00010400Bhatnaganur 29  555 05433   
597117
Bhatnaganur
29  01  00010500Kurli   29  555 05433   597118  
Kurli
29  01  00010600Appachiwadi 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 sumitm...@gmail.com
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:


https://lh6.googleusercontent.com/-d2VXra94frA/VBJnm76I9xI/ALw/QQMWlb4rsvA/s1600/indiapolyvillageconvexhull.jpg


https://lh4.googleusercontent.com/-VVYOTbkPe-Y/VBJnZGAB7rI/ALo/eU3DFP1pQ7w/s1600/indiapointvillageconvexhull.jpg


https://lh6.googleusercontent.com/-miwMpS2ktlQ/VBJolPkDDsI/AL8/S2_eGmWBrPg/s1600/convex_overlayed_districts2011.jpg

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] Census of India seems to have maps of everything!

[Sharad Lele [शरच्चंद्र लेले]]

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/thunderbirdhttps://www.box.com/shared/6rv0txyrliukknkm1j34
Mozilla Thunderbird http://www.getthunderbird.com makes it easy to 
share large files over email.


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binVR1db1UX4f.bin
Description: Binary data

Re: [datameet] Shapefiles for complete India

[Sharad Lele [शरच्चंद्र लेले]]

Very excited about this! But the file is not actually downloadable, it 
seems. One has to write to fidel castro... has anyone gotten a reply?


Sharad

On 10-Aug-14 1:31 PM, Dilip Damle wrote:

Hi

Just came across this link that seems to have a village shapfile of 
India somewhere


http://revolutionarygis.wordpress.com/2014/06/19/india-village-shapefile/



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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 devda...@tengshe.in 
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
sharad.l...@gmail.com 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
shara...@gmail.com 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 

Re: [datameet] Re: Shapefiles for complete India

[Sharad Lele [शरच्चंद्र लेले]]

On 07-Aug-14 8:18 PM, Justin Meyers wrote:
As per our conversation yesterday, could you upload your data?  You 
keep criticizing everyone else's data, but you don't share your own!?? 
 Help me help you :)

Dear Justin:

I think you are going too far and too fast. A more moderate tone would 
be appreciated.


1. I never criticized anyone: in fact, i said GDAM was ok, and you were 
the one who used fairly strong words against it.
2. I have only clarified out that your layer reflects CD block 
boundaries while GDAM reflects tehsil boundaries. Both may be 'ok' in 
what they represent.
3. The only reason I have not shared any data of mine is simply because 
I have only two datasets: the GDAM one (which is both already available 
and being criticised by some ;-)) and a dataset of admin boundaries 
(district and tehsil) for Karnataka state alone which we paid for and 
got digitized from District Census Handbooks of 1991. When I check GDAM 
or your layer versus this layer, I see no major differences. So then 
what is the point in uploading that data?


Sharad


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