You can try QgsSpatialIndex. Look around for examples. Håvard
On 06.04.2020 11:37, Johannes Wildermuth wrote: > Hello developers > I've been currently working on a python plugin in which I have to find > all possible intersections on one layer. I want to improve the > efficiency of this task. It roughly looks like this: > for i, geom in enumerate(geoms): > for j, geom in enumerate(geoms): > if j > i: > //intersections > Is there a faster way? Perhaps with multithreading / rtree? > Regards > Johannes Wildermuth _______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
