Comparison
The Comparison node offers you the ability to use a logical comparison operator as a way to combine textures. The node takes five inputs: the first two inputs are the textures for comparison. The second input is for the comparison, and the last two inputs are the result of the comparison. In figure 2, a Checks texture node (input A) is used to compare the black and white of the checks texture against white (input B) where the black areas of the checks texture are less than input B which is white. If the statement is true (black areas), those areas will be replaced with blue. If the statement is false (white areas), those areas will be red.
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Comparison
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Figure 1: Comparison Node
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Comparison
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Figure 2: A Checks texture node example
Comparison Parameters
Input A - Texture A for comparison.
Input B - Texture B for comparison.
Operation - Comparison Statement between Texture A and Texture B.
True - Output this value if True.
False - Output this value if False.