What I want to is to recontruct a actual topography from a image. The image/map has it’s own heights values. I’ve tried, but i only developed a vague idea on to how to solve it. I think you have to establish a color/hue domain and compare your image sampler values with this domain. From a point grid, get each point’s value comparing them to domain.
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Thank you for helping this amateur ass. I will try to understand what you did. Sincerely Lucas.