Reads the tag off a mesh, treating a missing value as an occurrence.
The ?? GEOM_CLASS_OCCURRENCE default is the long-standing behaviour at
every call site: meshes produced before the tag existed, and meshes built
on the TS side, carry no class and are real geometry.
Reads the tag off a mesh, treating a missing value as an occurrence.
The
?? GEOM_CLASS_OCCURRENCEdefault is the long-standing behaviour at every call site: meshes produced before the tag existed, and meshes built on the TS side, carry no class and are real geometry.