GEOSBuffer
on a valid Polygon creates MultiPolygon with sliver geometry
#1105
Labels
GEOSBuffer
on a valid Polygon creates MultiPolygon with sliver geometry
#1105
This was originally reported by @bocalml in geopandas/geopandas#3330
Problem statement
For a valid Polygon,
GEOSBuffer
creates a MultiPolygon that contains the original buffered geometry and a small sliver polygon.I reproduced it first in PyGEOS and then GEOS, posting both examples:
PyGEOS
GEOS
Returns
Discussion
With sufficiently high
quadsegs
this goes away. The combination of largeradius
and lowquadsegs
is likely the culprit here.Environment
GEOS 3.12.1
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