Range Operator
The Range Operator can be used to restrict the amount of color values in a texture. It can also invert a texture and convert it to greyscale (you can alternatively use the Color Operator or the HSCB Operator, respectively, for these tasks).
Inputs
One texture.
Parameters
Flags
adjust/range: Sets the operation mode. adjust: Adjusts minimum/maximum color value separately for R, G and B using the color controls. range: converts input to grayscale and maps Color0 and Color1 to black and white.
normal/invert: Toggles input inversion.
Color0, Color1
see above.