Hi,
I am wondering if this is correct to check if polygons are disjoint when
trying to add a new part to a multipolygon.
https://github.com/qgis/Quantum-GIS/blob/master/src/core/qgsgeometry.cpp#L3009
Indeed if you try add a new part having a segment in common with an
existing part it won't be ok.
Also, while trying to slit parts, I cannot use addPart method as it is,
because the parts are not disjoint.
What do you think?
Should we rather use GEOSOverlaps ?
Thanks a lot
Denis
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