CesiumGS/cesium

Make bloom post process check for selected feature

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#7,984 opened on 2019年7月8日

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category - post-processinggood first issuetype - enhancement

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説明

Right now you can apply certain post process effects to just one feature. The bloom shader doesn't do any check to allow you to apply it to just to the selected feature as you would expect.

This is potentially pretty easy, you just need to take the check from another post process like the black and white one: https://github.com/AnalyticalGraphicsInc/cesium/blob/master/Source/Shaders/PostProcessStages/BlackAndWhite.glsl

and apply it in the bloom shader: https://github.com/AnalyticalGraphicsInc/cesium/blob/master/Source/Shaders/PostProcessStages/BloomComposite.glsl

The forum thread here has an example you could use for testing. Note that you'd need to test the selected feature on a model, since entities aren't yet supported there (see https://github.com/AnalyticalGraphicsInc/cesium/issues/6705).

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