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Polygon holes
Interior rings (donuts) must be respected so cells inside a hole are excluded.
Class
Case to account for
Affects
3 conversions
01
Detection
Polygon has > 1 ring.
02
Mitigation
01
Pass all rings to the filler
02
Verify hole winding (CW) after normalization
03
Affected conversions
PolygonH3 (center-contained)
OPENPolygonH3 (fully-contained)
OPENPolygonH3 (intersects)
OPEN