Spec allows two kind of geometries
- Known Geometry Primitives (e.g. Box, Plane ...)
- Geometries defined in the file exlicitly
A geometry definition is similar to other file formats.
4: uint32_t - Section Type == 2
8: uint64_t - Total Size of Geometry Entry
N: Geometry Definition
4: uint16_t - Geometry Type
N: Geometry Content
Geometry Types:
1: Mesh
2: Spline
3: Brep