Category Archives: GIS

Map of Electoral districts of Sri Lanka

SriLankan maps for Electoral districts are available for download now. I initially made this for a friend who wanted to analyze the election results. The Electoral districts are derived from the administrative maps.

via GIPHY

You can check the diff on github to see how the maps were changed.

GADM database of Global Administrative Areas is the source of administrative data. I used three simple online tools

  • GeoJSON.io for converting from KML to GeoJSON and adding attributes.
  • MapShaper for merging the areas
  • GitHub for storing the map files.

Note: I don’t provide any guarantee on the accuracy of the maps. So don’t use if you want accurate maps. I have made notes on how these maps were derived. Use it if you think the process is right. Raise an issue if you find anything.

The first GeoDel meetup

On the 2nd of September, 2015, DataMeet-Delhi spun off a small side project known as GeoDel. Following GeoBLR‘s example, GeoDel is a Delhi-based group/community that meets to discuss open spatial data in the Indian context.

Akvo very kindly hosted us at their beautiful Delhi office, and we began with a very short talk by me (Shashank) on a quilt my mother made, based on OpenStreetMap data of South Delhi. Riju then spoke about mental maps, using a slideshow with some beautiful maps. He ended his talk with a participatory mapping exercise using FieldPaper maps of Delhi, where everyone who attended the meet had a chance to shout out a random place in Delhi, and everyone else had to mark it on their maps. It was a good way to learn about places in Delhi with arcane names such as ‘Rohini‘ and ‘Patparganj‘, and to end our first GeoDel as well.

GeoDel will have bi-monthly meets, so stay updated on its spatio-temporal coordinates via the MeetUp and FaceBook groups!