search

WhereGroup / spatial_filter

A QGIS plugin to spatially filter project layers for speed and efficiency
GNU General Public License v3.0
7 stars 2 forks source link

Freeze if filter geometry is very complex #13

Open kannes opened 1 year ago

kannes commented 1 year ago

The plugin will freeze QGIS (at least for a while) if a complex filter geometry is used, e. g. that of Canada in the "world" easter egg's dataset (NE50?).

Maybe count the number of vertices in the selected geometry/-ies, when the user wants to define a filter from that, and only allow its usage if the total is reasonable low?

Maybe add a warning dialog if the geometry if complex and allow the user to cancel?

kannes commented 1 month ago

Complex geometries are also an issue if saved because they lead to huge entries in the QGIS3.ini.

E.g. Germany from world is a ~3 million characters long line...