QGIS

Daily Discoveries of a FOSS4G User: PostGIS and Its Bag of Tricks

As I mentioned in the previous post, there were a couple of handy PostGIS functions I found quite useful after importing prepped data via shp2pgsql tool. They involve working with Spatial Reference of geometries and working with Multi* geometries. 1. PostGIS: ST_SetSRID vs ST_Transform Even after figuring out the way to define Spatial Reference in QGIS – it’s still possible to miss …

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Daily Discoveries of a FOSS4G User: QGIS, the Vector Doctor.

After returning from the amazing FOSS4G-NA conference in Raleigh, NC, I just couldn’t get back to my pre-conference self! In the spirit of continuous learning I decided to try finding better ways to solve common problems and explore these great free and open source geospatial technologies further. My hope is that this review of various …

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