[Talk-in] chennai map from Survey of India

Shajeer Mohammed shajeer at hotmail.com
Thu Mar 19 04:28:00 GMT 2009


The PC boundary and district  boundary need not match, it may in some cases. In most cases PC may overlap districts. So I don't think you can fix it by any conditioning. Yes u can combine the PC and create state boundaries.

Regards
Shajeer




From: PlaneMad 
Sent: Wednesday, 18 March 2009 21:59
To: talk-in at openstreetmap.org 
Subject: Re: [Talk-in] chennai map from Survey of India


awesome work with the conversion, we finally have some good boundary data to work on. i compared the data with the state maps and the pc boundaries dont seem consistent with the districts as i had initially thought, so it might need some conditioning before upload. since each state is available as a seperate file, by combining the sonstituencies, we can get the state border. using josm, i did the combining and i am uploading the tamil nadu border.

we will certainly need some discussion on how to tag this data.

shajeer, the eci data is under a mit style license http://eci.nic.in/DevForum/DevForum.asp so i guess its all good. 


  Developer Forum
  Technical Teams at ECI HQ and field offices are doing lot of R&D on various issues, especially on Indian Name databases in Various Indian Languages, Fuzzy matching, GIS etc. In public interest, the following material is being put in Public Domain under MIT Style License. 
  To learn how to import XML files into traditional databases, please click here. 
  In case of any queries/suggestions, please contact webmaster at eci.gov.in


  
On Wed, Mar 18, 2009 at 8:50 PM, Shajeer Mohammed <shajeer at hotmail.com> wrote: 
  
  These file have details about on assembly constituency/parliament name. 
  There is no district boundaries or other administrative boundaries 
  available. So does it make sense to have them in OSM? 
    
  Also before loading to OSM, there are couple of things that we need to take 
  care 
  1. of course the license itself 
  2. What attributes from the shapefile we should take? (state name, assembly 
  constituency/parliament name, local name,  etc..). 
    
  I have found files this  source to have district boundaries and state 
  boundaries. No idea abt the license 
    
  http://finder.geocommons.com/overlays/4381 
  http://finder.geocommons.com/overlays/download/4381.zip 
  http://finder.geocommons.com/searches?limit=10&page=1&query=india 
    
    
  Regards 
  Shajeer 
    
    
    
  -------------------------------------------------- 
  From: "Raja Subramanian" <rajasuperman at gmail.com> 
  Sent: Wednesday, 18 March 2009 18:59 
    
  To: <talk-in at openstreetmap.org> 
  Subject: Re: [Talk-in] chennai map from Survey of India 
    

  > On Wed, Mar 18, 2009 at 5:31 PM, PlaneMad <thePlaneMad at gmail.com> wrote: 
  >> there are two scripts available in the osm svn to do the conversion 
  >> 
  >> http://svn.openstreetmap.org/applications/utils/import/shp2osm/ 
  >> 
  >> anyone want to give it a go? 
  > 
  > I used shp2osm.pl to convert: 
  >    http://eci.nic.in/GisLayers/GIS_PC_Data.zip 
  >    http://eci.nic.in/GisLayers/GIS_AC_Data.zip 
  > 
  > shp2osm.pl has a "GK" option and I was not sure what it 
  > does, so I produced osm files with and without it.  The files 
  > load fine in JOSM. 
  > 
  > The output osm files are here: 
  >    http://raja.jst-in.com/tmp/osm/PC_Data_States.zip 
  >    http://raja.jst-in.com/tmp/osm/PC_Data_States_gk.zip 
  >    http://raja.jst-in.com/tmp/osm/AC_Data_States.zip 
  >    http://raja.jst-in.com/tmp/osm/AC_Data_States_gk.zip 
  > 
  > 
  > Nothing has been uploaded to OSM.  Feel free to upload if you 
  > see fit. 
  > 
  > - Raja 
  > 
  > _______________________________________________ 
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  > Talk-in at openstreetmap.org 
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  > 
    
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