Nyall Dawson wrote > Just to add to this -- if you pre-prepared the timezone polygon > geometries and cached all the results then that's the fastest speed > you'll ever achieve :) (at the cost of memory usage, however!)
timezonefinder uses precomputed lookup binary tables (~50MB) based on a 0.5deg_lonx1deg_lat grid to avoid most of the time to actually check which timezone polygon a point is located in. Regards. Andrea -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
