Data and Maps workshop

IT for Change, December 18-20 2013, Bangalore.

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1. Geodata basics and management

2. What Maps are Made of? * Datum, projection, geometry. * Map Tiles.

3. Formats - 1. CSV 2. JSON 3. GPX 4. KML 3. Shapefile 3. GeoJSON 6. OSM XML

   • Tags 7. TopoJSON 8. SVG

4. Sources 1. OpenStreetMap

   1. Country wide
   2. Metros * Exercise - load Bangalore data into QGIS. * Exercise - and query for specific tags. 2. Natural Earth 3. GeoNames (Daily data dump and a web service) 4. Landsat (Landsat data have been used to monitor water quality, glacier recession, sea ice movement, invasive species encroachment, coral reef health, land use change, deforestation rates and population growth.) 5. Administrative Areas: GADM
   • Exercise - overlay GADM over OSM data in QGIS.

5. Spatial Queries

6. Conversion 1. GDAL/OGR

   • Exercise - Convert GADM data to GeoJSON using QGIS and CLI. 2. OGRE 3. Kml2Gpx

7. OpenStreetMap

8. Extraction 1. Overpass API 2. Overpass Turbo 3. Osmosis, extraction

9. Pandas - overview

10. Visualisation - overview and examples.

11. QGIS * Exercise - taluk boundary, csv, extract, map. * Exercise - make a heatmap.

12. Leaflet.js * Exercise - basic map setup * Exercise - layers * Exercise - GeoJSON * Exercise - Clustering * Exercise - Zoom Levels and layers

13. D3.js * TopoJSON - installation, usage * Exercise - make a map from GeoJSON. Also, see Mike's guide * Exercise - add data and make it a choropleth. * Learn interaction.

14. TileMill * Exercise - make a choropleth * Exercise - Interaction

15. General UI/UX guidelines

16. Reading List

17. MDN on JavaScript

18. Git for Grownups