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README.md

Data and Maps workshop

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


  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

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Maps and data workshop for the IT for Change in Bangalore.

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