Interfaces
 InterfaceDescription
 IPrimitiveFilter Interface for filters that work on primitive arrays
 IPrimitiveQuadrantFilter Interface for filters that work on primitive quadrant trees
 IPrimitiveVolumeBlockFilter Interface for filters that work on primitive volume blocks
Classes
 ClassDescription
 AnotherRivalFilter Corrects triangle z-sorting
 FogFilter Adds fog layers to a view and provides automatic farfield filtering for primitives outside the furthest fog layers.
 QuadrantRiddleFilter Splits all intersecting triangles and line segments.
 ZDepthFilter Defines a maximum z value for rendering primitives
 ZSortFilter Sorts drawing primitives by z coordinate.