Saturday 7 January 2017

spatialite - SQL to get points within certain distance


I got about 2 million points in a spatialite database would like to get which points are withina radius of 30 km from another point. All data is in WGS84 but I need distance in km. Also it would be handy to summarize by some field


I tried spatial query in QGIS but crashed due to the size




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