Use: combining masks and smooth scaling of height detail.Height: simliar to subtract, but smoothly scales pixels down rather than flattening them out.Masks: acts as a union (and) operation, combines overlapping white values from input nodes and discards the rest.Use: flatten areas while preserving detail.The higher the white value, the flatter the sculpted result. Masks: removes (subtracts) areas from the mask, making them black (invisible).The higher the white value, the taller the sculpted result. Masks: adds the white (visible) areas of the input nodes together.Noncommutative: the order of the layers changes the output.Commutative: the order of the layers is irrelevant.The following content is extrapolated from the Substance Academy series " Mastering Blending Modes". Use Levels to raise or lower overall height on forms.Use Blur HQ Grayscale on Shape Nodes to soften form edges and remove artifacting.Useful for selecting low or high areas in height maps for adding dirt/erosion. Histogram Select: selects band in image with Position and slopes out in two directions from there with Range.Histogram Range: squashes height map with Range and move it up or down with Position.Histogram Shift: offsets entire range of values.Contrast: slides compressed Levels In uniformly.Position: compresses Levels In uniformly.Histogram Scan: Levels function use to shrink/grow masks by simplifying controls.Invert: cheaper than using an Invert Grayscale node.Reduces contrast, useful for setting absolute height of components. Establishes minimum and maximum output values. Levels Out: limits and shrinks range of values. ![]()
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