This produces similar results as before, except it looks like someone 
has been chewing on it. Compare the two images I attached.

Also, I don't really know what I am doing, but taking the abs of each 
component separately seems wrong. Rather, a color should be considered 
"bad" if any of R, G or B are outside 0..1 range. Clamping R, G and B 
should also not be done.

(This is very frustrating for me.)

:(

Mike

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Attachments:
Download 'cielch_color_solid_cylinder_isosurface.png' (12 KB) Download 'cielch_color_solid_cylinder_isosurface_backup.png' (45 KB)

Preview of image 'cielch_color_solid_cylinder_isosurface.png'

Preview of image 'cielch_color_solid_cylinder_isosurface_backup.png'