How To Creating Heatmap Over 3D Model?

Questions
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1

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Can anybody give me an advice?

2

Quite a few ways - you can for example use MeshStandardMaterial.emissiveMap, or just MeshBasicMaterial.map?

3

Some points of the surface will have corresponding intensity values, how do I interpolate based on these intensity values?

4

So the heatmap is defined by distance from arbitrary points (and their assigned intensity) on the surface? How many of those points?

5

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There is my example. Each vertex has a power value, however, you cannot get a heatmap with gradient.