artlemboSep 18, 20191 minVirtual layers with QGIS – wait a second, this is starting to look like Manifold…If you are like me, you love writing spatial SQL. But what can you do if you have a geodatabase, some shapefiles, or any other data...
artlemboMar 14, 20193 minEasy bivariate map with PostgresA friend recently asked me about the cool looking bivariate maps produced with ArcOnline, lamenting that the capability seemed lacking...
artlemboFeb 21, 20192 minEngaging students with multiuser editing, and FOSS4gA friend is doing some research on estrogen and estrodial in water samples in Delaware. We have about 50 sub-watersheds that show the...
artlemboOct 16, 20185 minBig Data ResultsI wanted to revisit the taxi data example that I previously blogged about. I had a 6GB file of 16 million taxi pickup locations and 260...