By Ether DataRequest data sample
Interactive publication
Back to the catalogue
GeometryCase 08 of 13

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)
OPEN
PolygonH3 (fully-contained)
OPEN
PolygonH3 (intersects)
OPEN