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Polygon Triagulation Problem when Crossing the IDL

Open ggetz opened this issue 1 year ago • 2 comments

What happened?

image

There's an issue with the triangulation step when one of the positions in the polygon outer ring crosses over the IDL.

Reproduction steps

No response

Sandcastle example

https://sandcastle.cesium.com/#c=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

Environment

Browser: All CesiumJS Version: Reproducible in 1.119 Operating System: All

ggetz avatar Jun 21 '24 18:06 ggetz

Also reported on the forum.

jjhembd avatar Aug 23 '24 18:08 jjhembd

Any Update @ggetz

philpil avatar May 13 '25 09:05 philpil