Standard Selections
The StdSelect package provides the following services:
definition of selection modes for topological shapes
definition of several concrete filtertandard Selection2d.ap classes
2D and 3D viewer selectors.
Note that each new Interactive Object must have all its selection modes defined.
The Select3D package provides the following services
definition of standard 3D sensitive primitives such as points, curves and faces.
recovery of the bounding boxes in the 2D graphic selection space, if required.
a 3D-2D projector.