@dipal thanks for the reply. Sending you an email off the list. With warm regards,
Nagarajan. M, IAS District Development Officer Sabarkantha - Himatnagar Cell: 09978406246 On 17-Apr-2015 3:14 pm, "Dipal Thakker" <[email protected]> wrote: > @Nagarajan - it will be grate if you can share more about your > application, and keen to collaborate too. > > > *| Dipal Thakker* > > > > On 15 April 2015 at 09:04, Nagarajan M <[email protected]> wrote: > >> @Diapl @Ma-roof Fully 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]" < >> [email protected]> 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]" < >>> [email protected]> 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 <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> If I am right, then Justin may want to rename his layer as >>>>>>> CDBlocks_2001... >>>>>>> >>>>>>> Sharad >>>>>>> >>>>>>> >>>>>>> On Thursday, August 7, 2014 4:28:17 PM UTC+5:30, Sharad Lele wrote: >>>>>>>> >>>>>>>> I think I have the explanation for why I am seeing a good match >>>>>>>> and you are not: >>>>>>>> >>>>>>>> The problem lies in defining what is the 'sub-district' unit (in >>>>>>>> IND_adm3). Administratively speaking, it is tehsil, below which lies CD >>>>>>>> block. Unfortunately, census gives information by CD block. So there >>>>>>>> are >>>>>>>> more 'sub-district' units in Census than tehsils in the country. GDAM >>>>>>>> seems >>>>>>>> to have followed the tehsil concept. >>>>>>>> >>>>>>>> To check: Karnataka is one state in which tehsil and CD block are >>>>>>>> one and the same. That is why the sub-district layer IND_adm3 matches >>>>>>>> perfectly for Karnataka, but not for other states. There might be some >>>>>>>> other states where this holds good, I don't know. >>>>>>>> >>>>>>>> Anyway, so if one really wants CD block level boundaries, we have >>>>>>>> to look at Justin, I guess. >>>>>>>> >>>>>>>> But the GDAM boundaries are not 'wrong'. >>>>>>>> >>>>>>>> Sharad >>>>>>>> >>>>>>>> On 07-Aug-14 9:48 AM, Devdatta Tengshe wrote: >>>>>>>> >>>>>>>> In Continuation of my previous email, here is a CSV file which >>>>>>>> shows just how bad the GDAM dataset is. >>>>>>>> >>>>>>>> Regards, >>>>>>>> Devdatta >>>>>>>> >>>>>>>> >>>>>>>> On Thu, Aug 7, 2014 at 9:06 AM, Devdatta Tengshe < >>>>>>>> [email protected]> 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 <[email protected]> >>>>>>>>> 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" <[email protected]> >>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Dear Dilip and others: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> I have been following this thread with interest, but to be >>>>>>>>>>>>>>> honest am a bit lost now. Can someone post a summary of which >>>>>>>>>>>>>>> maps >>>>>>>>>>>>>>> mentioned so far have what features (which coverage, pertaining >>>>>>>>>>>>>>> to which >>>>>>>>>>>>>>> year, what attributes (such as census codes), etc.)? Would be >>>>>>>>>>>>>>> most helpful. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Sharad >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> On Friday, August 1, 2014 9:03:58 PM UTC+5:30, Dilip Damle >>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Hello, >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> This is an old post. >>>>>>>>>>>>>>>> However this is the appropriate place to add an additional >>>>>>>>>>>>>>>> source. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> I had downloaded the set from Grid Geneva many years ago. >>>>>>>>>>>>>>>> The original complete source was named as GNV197 which is >>>>>>>>>>>>>>>> 24 MB >>>>>>>>>>>>>>>> Titled as "HUMAN POPULATION AND ADMINISTRATIVE BOUNDARIES >>>>>>>>>>>>>>>> DATABASE FOR ASIA" >>>>>>>>>>>>>>>> I am attaching the South Central Asia E00 file. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> That set contains The disputed areas under the country name >>>>>>>>>>>>>>>> IN1 and IN2 >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> This dataset can not be easily found at present on the GRID >>>>>>>>>>>>>>>> Geneva site http://www.grid.unep.ch/index.php?lang=en in >>>>>>>>>>>>>>>> the same name. >>>>>>>>>>>>>>>> may be it is still there somewhere with some other name. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> For copyright check the metadata file which is here >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> http://geonetwork.grid.unep.ch/geonetwork/srv/en/iso19139.xml?id=835 >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> rgds >>>>>>>>>>>>>>>> Dilip Damle >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> On Wednesday, January 4, 2012 9:52:57 AM UTC+5:30, Karthik >>>>>>>>>>>>>>>> Shashidhar wrote: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> All the shapefiles for India that I have downloaded do not >>>>>>>>>>>>>>>>> show PoK and Aksai Chin as part of India. Does anyone here >>>>>>>>>>>>>>>>> have access to >>>>>>>>>>>>>>>>> shapefiles that include these territories? Basically looking >>>>>>>>>>>>>>>>> to publish >>>>>>>>>>>>>>>>> (online) some maps, so want to make sure that it's accurate. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> (I looked through the group archives, and all sources >>>>>>>>>>>>>>>>> mentioned there do not show these regions as part of India) >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Thanks >>>>>>>>>>>>>>>>> Karthik >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>> Datameet is a community of Data Science enthusiasts in >>>>>>>>>>>>>>> India. 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