This material is a constant shader and is not affected by lighting. It is used to shows the value of the shading point’s x y z values in a red, green, blue color. The point is first normalized, to make sure all the values are between -1 and 1. Then the values are shifted into the 0 to 1 range for colors. This way 0.5 is 0 and 0 is -1.

The **x** value of the shading point, **P**, * is in the red channel.
The **y** value of the shading point, **P**, * is in the green channel.
The **z** value of the shading point, **P**, * is in the blue channel.

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