Sydney GeoRabble Presentation - GovHack 2012 - Happiness Matters
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Sydney GeoRabble Presentation - GovHack 2012 - Happiness Matters

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This was a snippet of my presentation at Sydney GeoRabble explaining what my team did at the 2012 GovHack event. It is only two slides, but covers some of the GIS trickery we needed to do as part of ...

This was a snippet of my presentation at Sydney GeoRabble explaining what my team did at the 2012 GovHack event. It is only two slides, but covers some of the GIS trickery we needed to do as part of the analysis for the event.

Slides are with limited context, unfortunately, as I presented most of the information.

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Sydney GeoRabble Presentation - GovHack 2012 - Happiness Matters Sydney GeoRabble Presentation - GovHack 2012 - Happiness Matters Presentation Transcript

  • Task 1: Simplify LGA Boundaries ogr2ogr -sql "select g.gid, lga_code11, lga_name11, ste_code11, area_sqkm, ST_Simplify(g.geom, 0.005) as geom from lga_2011_aust_2 g order by ST_Area(g.geom) desc" -f kml out.kml PG:"host=localhost user=postgres dbname=postgis20 password=X"
  • Task 2: Compare touching LGAs SELECT s1.lga_name11, s2.lga_name11 FROM lga_2011_aust s1, lga_2011_aust_2 s2 WHERE ST_Overlaps(s1.geom, s2.geom);