Color of the grid lines. The default
color is white.
Filler Color
Color
of the spaces between the grid lines. The default color is black.
U Width, V
Width
Width of
the grid lines in U and V directions. The valid range is 0 to 1.
The range is 0 to 0.5. The default value is 0.1.
Contrast
Contrast
between the Line Color and the Filler Color.
The range is 0 (the two colors are averaged over the entire texture)
to 1. The default value is 1.
