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The shadow density increases from right to left.
Increasing the Density value increases the density (darkness) of shadows.
Decreasing Density makes shadows less dense. Default=1.0.
Density can have a negative value, which can help simulate the effect of
reflected light. A white shadow color and negative Density render dark
shadows, though the quality of these is not as good as a dark shadow color
and positive Density.
You can animate the Density value.
Map check box Turn on to use the map assigned with the Map button.
Default=off.
Map Assigns a map to the shadows. The map's colors are blended with the
shadow color. Default=none.
Light Affects Shadow Color When on, blends the light's color with the
shadow color (or shadow colors, if the shadow is mapped). Default=off.
5102 | Chapter 18 Lights and Cameras