This page contains information about the V-Ray TexLut node.
Overview
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V-Ray TexLut is a V-Ray utility node utility node that allows you to apply a look up 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.