CesiumGS / CesiumGS/cesium

Visual artifacts using CorridorGeometry and PolylineVolumeGeometry

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category - polygons/geometry type - bug
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Description

As discussed in [this post](https://community.cesium.com/t/visual-artifacts-using-corridorgeometry/15799), large `CorridorGeometry` and `PolygonVolumeGeometry` behave strangely. My first thought was that it occurs when crossing the Equator. Here are three sandcastle examples to visualize the problem.

Sandcastle examples:
[high inclination orbit](https://sandcastle.cesium.com/#c=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)

[equatorial orbit](https://sandcastle.cesium.com/#c=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)

[simple example](https://sandcastle.cesium.com/#c=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)
In this last example, if you change the value of the first longitude from 76.87435919946516 to 76, you'll notice that the visual artifact disappear.

Browser:
Brave 1.31.87
Also in Firefox 91.0.2

Operating System:
Windows 10

Contributor guide

Open the contributing guide

Research direction

Start with the linked Sandcastle examples and the CorridorGeometry, PolylineVolumeGeometry, and PolygonVolumeGeometry entry points. Compare the high-inclination, equatorial, and simple cases, including the change to the first longitude from 76.87435919946516 to 76. Done means the reported visual artifacts no longer appear in the provided reproductions.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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