precision option in vector tools select/join by location #27207
Labels
Feature Request
Processing
Relating to QGIS Processing framework or individual Processing algorithms
Author Name: Jan Hendrik Petegem (Jan Hendrik Petegem)
Original Redmine Issue: 19379
Redmine category:processing/core
The precision option in the select/join by location tools has been removed in qgis 3. Will it return in the near future?
I understood this to be due to a bug in the option according to a comment on stackexchange https://gis.stackexchange.com/questions/268992/join-attributes-by-location-precision. My experience was at least that when using the option, exact intersects (difference of 0) where excluded from the results and only the not exact intersects but within the set precision where included
( 0 < distance <= precision).
The option is however essential for selecting and joining by location as geometries often don't exactly intersect. This can be due to different reasons like transferring data between different programs with different precisions (8 vs 10 decimals for instance), not snapped drawings and processing data.
Missing this option requires timeconsuming workarounds, like switching between arcgis (where it is possible) and qgis or snapping features before being able to use select/join by location (this is often not a preferred option).
Unfortynately, I cannot offer an idea for the solution. I hope to see the option returing soon.
Thanks
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