The PlanarMapDcelHalfedge_2concept is a refinement of the TopologicalMapDcelHalfedge concept. The requirements of the latter are the requirements of the former. In addition the PlanarMapDcelHalfedge_2should contain the following geometric types and methods.
| |
a curve associated with the halfedge.
|
|
| the curve. |
|
| |
set the curve in h to . |