This page contains information about the V-Ray TexLut node.
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V-Ray TexLut is a V-Ray utility node that allows you to apply a lookup table (a .cube file) to any texture for managing the resulting colors.
In the example shown, a LC3DL_Fuji3510_log2hd_ConstLmap.cube LUT file has been loaded to define the texture's look.UI Path: ||mat Network|| > V-Ray > Texture: File > V-Ray LUT