Census 2001 Tahsils Shapefile (5,461 records)

[Justin Meyers]

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

Processed from a kml; did not edit any geometry or attributes.  Data is pretty generalized, but it is a good start for a national dataset.  I keep finding better data as I continue to look (already posted two previous versions of a taluk/ tahsil/ amin 3 boundary).  After concerns to missing data, this is the best to date I have found.

Cheers!

Justin

[Devdatta Tengshe]

Hi Justin,

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

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

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

Regards,

Devdatta

--
Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org
---
You received this message because you are subscribed to the Google Groups "datameet" group.
To unsubscribe from this group and stop receiving emails from it, send an email to datameet+u...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

[Justin Meyers]

Devdatta,

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

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

I posted a update about Bihar (https://groups.google.com/forum/#!topic/datameet/QuP4Tt4n0_g) and that data is amazing, this data doesn't hold a candle to it.  Too bad the government doesn't want help from the experts ;)

Cheers,

Justin

[Justin Meyers]

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

[Dilip Damle]

Justin, Devdatta, 

It's all about how things work in India, 

Devdatta mentioned SWEat,blood and teARS 

It also includes the capitalised word :)

Good to persevere though.
Congratulatioins.

Rgds

Dilip Damle

[Sharad Lele]

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

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

Sharad

[Justin Meyers]

Sharad,

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

Justin

["Sharad Lele [शरच्चंद्र लेले]"]

Dear Justin:

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

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

Sharad

You received this message because you are subscribed to a topic in the Google Groups "datameet" group.
To unsubscribe from this topic, visit https://groups.google.com/d/topic/datameet/GJKMXXSB-Ns/unsubscribe.
To unsubscribe from this group and all its topics, send an email to datameet+u...@googlegroups.com.

For more options, visit https://groups.google.com/d/optout.

-- 
Democratizing Forest Governance in India
(In press with Oxford University Press India)

[Justin Meyers]

Sharad,

Could you share with the rest of us?

Thanks,

Justin

[Justin Meyers]

Sharad,

 

I have worked with GADM over the years and know the pros and cons (it is one of the few global datasources that is somewhat consistent and free, however, there is NO documentation, NO support, NO updates, and is heavily generalized, etc).  So I call it junk because there is better data out there.  Could you share your Karnataka shapefiles?

Thanks! 

[Devdatta Tengshe]

Hi Justin,

Sorry for not responding to your earlier mail about Orissa. I've been under a Tsunami of emails recently, and haven't completely caught up on all of them.

I have been looking at the attributes of your dataset, and they look quite good. Even the Geometry is decent upto approximately a scale of 1:500,000.

I was asking about the source of data, so that I could figure out the the Licensing. Depending on the Licensing, I could post the shapefiles to the datameet Github repo.

Working with Government Departments is a pain, and expecting them to reply to emails is madness in my experience. So I feel your pain.

Once you have finished downloading the data from your source, do let me know. I'm ready to help you on that if you need any assistance converting that data/correcting it.

Regards,

Devdatta

[Deepak B]

Hi Justin

I was just browsing through the datameet archives for Block level shapefiles Bihar. Unfortunately, your post seems to be have been deleted or the link broken!

Can you please share the link for the same, if available with you.

Thanks in advance! :-)

[Devdatta Tengshe]

Hi Deepak,

The Link in OP's Post (https://app.box.com/s/vljeiolbqhx2hwyz8qxs) Is still accessible to me. What do you see when you visit the link? Let me know if you have trouble accessing this data. I have it saved my system.

Regards, 

Dev

--

Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org
---
You received this message because you are subscribed to the Google Groups "datameet" group.
To unsubscribe from this group and stop receiving emails from it, send an email to datameet+u...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

--

Regards,

Devdatta

[Justin Meyers]

Deepak,

Did the link Dev sent you work?  I no longer have the data, but may be able to find some updated Bihar data if need be (or any other location in India).

Cheers,

Justin

[Deepak B]

Hi Dev

The link you sent to me worked! :-) 

Thank you.

[Deepak B]

Hi Justin

The link Dev sent, did work. Appreciate you for all the handwork you had put in. I will let you know in case i need some updated Bihar data.

If i am to use this shape file in some report or presentation, is it suffice if i quote the weblink? Kindly advise

Regards

[Deepak B]

Hi Dev

I had a query regarding the shapefile. If i want to combine a few C.D. Blocks or Tehsils of a district into one, is that possible with QGIS?

Would appreciate any guidance in this regard. Thanks in advance.

Regards

Deepak B 

[Devdatta Tengshe]

Hi Deepak,

Yes you can merge several tehisils into one via QGIS.

If you are looking to get the districts, I'll suggest that you have a look at the Datameet Repo: https://github.com/datameet/maps/, which has the districts for 2001 & 2011 census.

Regards,

Dev

--
Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org
---
You received this message because you are subscribed to the Google Groups "datameet" group.
To unsubscribe from this group and stop receiving emails from it, send an email to datameet+u...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

--

Regards,

Devdatta

[Yogesh K S]

Hi Deepak,

Add your C.D. Blocks or Tehsils shapefiles as different vector layers on QGIS and try Vector->Geoprocessing Tools->Union. This has worked for me few times.

Hope this helps.

cheers,
yogi

[Deepak B]

@ Dev - I am trying to get a unit which is a go-between Tehsil (Block) and district... This is how districts are classified in India's National Tuberculosis program. It is known as "Tuberculosis Unit"

              For example - A district X has 10 tehsils/blocks and few adjacent blocks are combined to get 4 units, which is the functional division

              I did try with my sparse qGIS knowledge and couldn't find a solution :-(

@ Yogi - Thanks for your reply. I did try your suggestion and used the "Union" tool. But it didn't work out. Maybe my steps were wrong, so i plan to go through some youtube tutorials and see if i got the steps right :-)

Regards

Deepak B 

[Devdatta Tengshe]

Hi Deepak,

So if I have understood you correctly, you will have to manually merge the appropriate tehsils.

Here is a page which talks how you can manually merge polygons while editing them in QGIS: http://blog.thematicmapping.org/2013/06/merging-polygons-in-qgis.html

Regards,

Dev

--

Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org
---
You received this message because you are subscribed to the Google Groups "datameet" group.
To unsubscribe from this group and stop receiving emails from it, send an email to datameet+u...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

--

Regards,

Devdatta

[Deepak B]

Hi Dev

Thanks a ton for sharing the page. It made my day! 

It did help me very much and was just what i had wanted!! I am still learning qGIS and there seems to be lot of features i am yet to learn. 

Regarding the tehsil shapefiles, what type of copyright is on them. I would like to present the the shapefiles and the merged ones for use in a National Disease Program of Government of India. Kindly advise how i should seek permission for the same. 

Regards

Deepak B

[Deepak B]

Hi Dev/Justin

Do any of you happen to have a C.D.Block/Block level map of Haryana with you or can you direct me to where i can get them. The file which was shared earlier has the tehsil level maps for Haryana :-(, although the block level data for Bihar was very useful (there are around 125 blocks at present in Haryana). 

Thanks in advance

[Anjani Kumar]

May I get the file? The appbox link is expired or not opening here.

[kashi...@gmail.com]

HI Guys,

I am looking for this file, however it says that the file is not there anymore, could someone help me with this file?