returns the points in a TetGen expression.
- To use TetGenGetPoints, you first need to load it using Needs["TetGenLink`"].
- The points returned from a TetGen expression are a list of coordinates.
- A TetGen expression can have points loaded by TetGenSetPoints, read from a file using TetGenImport, or created by TetGenTetrahedralize.
- The memory used by a TetGen expression to hold points and other resources is cleared when you use TetGenDelete.