bivariate colormap for unit vector properties? #7865
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andrea-bistacchi
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Write a short description telling me what you are doing, what you expect to happen, and what is currently happening.
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Hello, I routinely use unit vector properties to record orientation (e.g. unit vectors normal to a surface, etc.) on point clouds and meshes. Some other software use bivariate color maps for this, as for instance Coltop 3D, where the azimuth component is shown with hue and the dip (i.e. inclination) with value in a HSV colormap.
https://www.researchgate.net/publication/264874256_Coltop3D_A_New_Software_for_Structural_Analysis_with_High_Resolution_3D_Point_Clouds_and_DEM
https://www.terranum.ch/en/products/coltop3d/
Would this be possible in PyVista? How?
I've seen the documentation on creating custom color maps/look up tables, but they are still controlled by a 1D scalar value.
I suspect that maybe something can be done using RGB, but I cannot figure out.
Thanks!
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