Dear Experts,
This topic must have been discussed many times - but the
threads are a bit confusing (for me!) to decide on the best possible course
of action. I am writing here to be enlightened and hoping for some good
advice.
I am looking out for the *correct district boundaries for Kerala* (India)
as a shape or a KML file. We do a bit of citizen science activities in mapping
birds <http://birdatlaskerala.github.io/atlas/> in the state. However, the
boundaries we have are off [=dated] for one of our districts (Ernakulam
district), which I am trying to fix.
After much looking up, I found a github repo
<https://github.com/datameet/maps> which had 2011 data (which is post
boundary changes for that district) but sadly, this particular change has
not effectuated there. Infact, Google
<https://www.google.co.in/maps/place/Ernakulam,+Kerala/data=!4m2!3m1!1s0x3b07e415deabd61f:0x6b911227eed3f76f?sa=X&ved=0ahUKEwjf7aywjcbSAhVQ3GMKHXepDRoQ8gEIGDAA>
has
the updated boundary ! There is also an SVG
<https://bitbucket.org/sanand0/districts/src/tip/districts.svg?fileviewer=file-view-default>
file with correct boundaries but I dont know how to convert it to a SHP or
a KML file nor can I assess fidelity loss during a conversion.
Hence my next attempt was to look for Taluk/Panchayat level boundaries to
fix this boundary myself but no shape file is available publicly at that
administrative level. Some JPGs elsewhere exists, which is very nice and
detailed, to the village level
<https://revolutionarygis.wordpress.com/2014/02/01/kerala-sindia-shapefile-data/>
or
taluk level
<https://revolutionarygis.wordpress.com/2015/05/22/kerala-village-shapefile-2015/>.
I saw some discussion that the forum admin did attempt to procure the shape
files
<https://groups.google.com/forum/#!msg/datameet/X5kzViRMJKs/mFqnAwQvtP0J>
of similar JPGs from the same source, but I do not see an evidence that she
succeeded. Hence, I treat this as something that is not readily accessible.
What I have/can? QGis & Inskscape, Scripting (python/perl/R) with limited
GIS knowledge.
Any help on how to proceed would be very much appreciated.
thanks & best rgds
Praveen
PS: How I got the current boundaries is probably not much relevant - it
reached me after several hand-overs and almost certainly its origins are
from a publicly accessible website like GADM or 2011 Census Data.
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