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QGIS Map Tools at BCS SOC

  • Ross McDonald

Ross McDonald

Sep 23, 2016 • 1 min read

I recently presented at the BCS SOC annual conference in Cheltenham on the cartographic map tools available in QGIS Essen 2.14 and Nødebo 2.16.

BCS\_SOC\_2016\_rossmcdonald\_qgis_maptools

Props to Nyall Dawson and Nathan Woodrow for the fantastic new features they've added and the rest of the QGIS development team for the amazing effort producing QGIS.

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Merging DEM rasters

Merging DEM rasters

Using batch files and GDAL to merge rasters for performance.

  • Ross McDonald
Ross McDonald Sep 17, 2018 • 3 min read
Voronoi isochrones

Voronoi isochrones

How can we visualise our driving distance dataset another way? Can we create something like this which is using Voronoi polygons: Palvealueanalyysi avoimella lähdekoodia #Hämeenlinna #PostGIS #pgRouting #sote #OSGeofi pic.twitter.com/ssyCD0vOxN — Pekka Sarkola (@posiki) May 23, 2017 Well, yes we can. And PostGIS gives us the tools

  • Ross McDonald
Ross McDonald Jun 23, 2017 • 2 min read
Processing thousands of journeys: a pgRouting function

Processing thousands of journeys: a pgRouting function

I have a dataset of pupils and the schools they attend. For each pupil I have a source XY coordinate and a target XY coordinate. I have a table of schools where the school name matches the name in the pupil table. I also have a full featured road network

  • Ross McDonald
Ross McDonald Jun 22, 2017 • 3 min read
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