I was using `Vector → Analysis Tools → Points in polygon` to count
events in a hexgrid (created with MMQGIS). The point data came from a
PostGIS layer. The layer has a query restriction and the filtered data
set has ~230k points. When I run it, it just crashes (sometimes
immediately, sometimes after several seconds). When I export the PostGIS
layer to shapefile and run it, it works (although it takes ~2 hours to run).
Are there issues with using this feature with PostGIS layers? Is it the
size of the dataset?
Best,
--Lee
--
Lee Hachadoorian
Assistant Professor in Geography, Dartmouth College
http://freecity.commons.gc.cuny.edu
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