2009
improvement is offset by the time it takes to generate the quadtree itself. This
depends on the geometry of the scene. Default=7.
TIP An Omni light can generate up to six quadtrees, so it generates ray-traced
shadows more slowly than spotlights. Avoid using ray-traced shadows with omni
lights unless your scene requires this.
Shadow Map Parameters Rollout
Create a light. > General Parameters rollout > Shadows group > Choose Shadow
Map. > Shadow Map Params rollout
The Shadow Map Parameters rollout is displayed when you have chosen
shadow mapping as the shadow-generation technique for a light. You select
this in the
General Parameters rollout on page 5076.
Interface
Bias Map Bias on page 8031 moves the shadow toward or away from the
shadow-casting object (or objects).
Shadow Types and Shadow Controls | 5135