CesiumGS / CesiumGS/cesium

The geometryInstance in ClassificationPrimitive will be obscured by other geometryInstances

Open
#9,749 2 comments 0 reactions 0 assignees View on GitHub
category - graphics type - bug
Dominant language
JavaScript
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Avg merge
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Merged PRs (30d)
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Description

[Sandcastle example](https://sandcastle.cesium.com/#c=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)
![1](https://user-images.githubusercontent.com/13530397/130421869-75023df3-08be-4917-ad4f-07042558fc3f.gif)
May I ask?How can I set it so that the geometryInstance in the front is not obscured by the geometryInstance in the back.Thanks

Contributor guide

Open the contributing guide

Research direction

Start by reproducing the linked Sandcastle example with ClassificationPrimitive and compare the front and back geometryInstances shown in the attached recording. Inspect the ClassificationPrimitive rendering and depth-ordering behavior. Done means the front geometryInstance is no longer obscured by the one behind it.

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
Needs clarification
Newbie friendliness
25/100

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