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Description
This is based on a quick snapshot of a polyhedral lamp in low light. Just a toss-off picture, but the post processing can make it more interesting. Fiji, (formerly ImageJ) with the plugin for a 3D heightmap based on brightness. This time I used "Fire LUT" instead of the original image, as an overlay. You can even introduce your own LUTs (lookup tables) for color overlay, but I haven't figured out how to do that yet.

Description
This is based on a quick snapshot of a polyhedral lamp in low light. Just a toss-off picture, but the post processing can make it more interesting. Fiji, (formerly ImageJ) with the plugin for a 3D heightmap based on brightness. This time I used "Fire LUT" instead of the original image, as an overlay. You can even introduce your own LUTs (lookup tables) for color overlay, but I haven't figured out how to do that yet.