I am using BWR colormap for contour plots. Instead of white color for scalar ‘0’ value, I get cream or yellowish. Please suggest tips.
Fairly certain what you’re seeing is lighting / shading on the surface(s). For example, here’s an ellipsoid:
If I go to it’s Properties panel and turn on Advanced Settings via the “gear” icon (
) then I have an option to Disable Lighting under the Lighting panel:
Then I get a “true to colorbar” rendering:
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