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Controlling the Appearance of Texture Mapping Using Texture Modes

The Texture mode in the TextureAttributes class controls how texture pixels affect shape color:

REPLACE	Texture color completely replaces the shape's material color
DECAL	Texture color is blended as a decal on top of the shape's material color
MODULATE	Texture color modulates (filters) the shape's material color
BLEND	Texture color blends the shape's material color with an arbitrary blend color

Note: the shape's material color undergoes 3D lighting calculations