# \#heatmap

**URL:** https://discourse.threejs.org/tag/heatmap/1321.md

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## [Custom postprocessing Shader for heatmaps](https://discourse.threejs.org/t/custom-postprocessing-shader-for-heatmaps/76823)

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**Author:** [@Gaelle\_Berton](https://discourse.threejs.org/u/Gaelle_Berton)\
**Replies:** 2\
**Last updated:** [January 22, 2025, 12:19am UTC](https://discourse.threejs.org/t/custom-postprocessing-shader-for-heatmaps/76823 "2025-01-22T00:19:53Z")

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Hi I want to create a heatmap effect affecting the objects’ colors of relative to the distance of an array or points. Currently i am looping through the array of objects to add a texture, but it is very inefficient, and…

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## [Creating a heatmap visualiztion in a pointcloud](https://discourse.threejs.org/t/creating-a-heatmap-visualiztion-in-a-pointcloud/66208)

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**Author:** [@Soham\_Bhaumik](https://discourse.threejs.org/u/Soham_Bhaumik)\
**Replies:** 0\
**Last updated:** [May 30, 2024, 2:40pm UTC](https://discourse.threejs.org/t/creating-a-heatmap-visualiztion-in-a-pointcloud/66208 "2024-05-30T14:40:13Z")

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Hi, I am having a very tough visualizing and therefore, implementing a heatmap within a sparse point cloud.i have to basically create a gaze-heatmap (on the inner walls of the room) out of the look directions of a playe…

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## [Apply a heatmap to a scene](https://discourse.threejs.org/t/apply-a-heatmap-to-a-scene/43100)

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**Author:** [@javiersanjuan](https://discourse.threejs.org/u/javiersanjuan)\
**Replies:** 1\
**Last updated:** [October 15, 2022, 11:42am UTC](https://discourse.threejs.org/t/apply-a-heatmap-to-a-scene/43100 "2022-10-15T11:42:07Z")

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Hello. I’m using the ProgressiveLightMap class, and I would like to apply a gradient (a heatmap) to the scene to see which colour areas are more and less illuminated. I don’t want to use any post-processing, and to be …