The Wood Parameters rollout contains the following settings:
Grain Thickness: Sets the relative thickness of the color bands that make up the grain. Default = 7.
Radial Noise: Sets the relative randomness of the pattern on a plane perpendicular to the grain. Default = 1.0.
Axial Noise: Sets the relative randomness of the pattern on a plane parallel with the grain. Default = 1.0.
Colors: Allows choice of any two colors for the grain. Defaults = brownish yellow for Color #1 and dark brown for Color #2.
Maps: Allows replacement of colors by maps. Defaults = None.
Swap: Reverses the position of colors.
Parameters on the Coordinates rollout adjust placement of the wood map. See mapping coordinates and Setting Grain Direction..
Defaults: Grain Thickness = 7, Radial Noise = 1.0, Axial Noise = 1.0
Setting and Swapping Wood Colors
Replacing Wood Colors with Maps