I have a geodatabase that I am adding to a QGIS project. I read the documentation (below) but I don't understand what parameters I use for "a.the_geom" and "b.geom". Is there a way to clip with a bounding box? Or, what is the best way to reduce my huge data to just the small portion that I need?
16.5.9. ClippingTo clip a subpart of your data you can use the ST_INTERSECT() function. To avoid empty geometries, use:
where not st_isempty(st_intersection(a.the_geom, b.the_geom))
أكثر...
16.5.9. ClippingTo clip a subpart of your data you can use the ST_INTERSECT() function. To avoid empty geometries, use:
where not st_isempty(st_intersection(a.the_geom, b.the_geom))
أكثر...