[This is preliminary documentation and is subject to change.]
Assembly: cai-nmgen (in cai-nmgen.dll) Version: 0.4.0.0 (0.4.0.0)
When a data element is given this value it is considered to have been removed from the the data set.
Examples: When applied to a poygon, it indicates the polygon should be culled from the final mesh. When applied to an edge, it means the edge is a solid wall.