rtcGetGeometryPreviousHalfEdge(3)                 Embree Ray Tracing Kernels 4

   NAME

              rtcGetGeometryPreviousHalfEdge - returns the previous half edge


   SYNOPSIS

              #include <embree4/rtcore.h>

              unsigned int rtcGetGeometryPreviousHalfEdge(
                RTCGeometry geometry,
                unsigned int edgeID
              );


   DESCRIPTION
       The rtcGetGeometryPreviousHalfEdge function returns the ID of the
       previous half edge of the specified half edge (edgeID argument).  For
       instance in the following example the previous half edge of e6 is e5.




       This function can only be used for subdivision geometries.  As all
       topologies of a subdivision geometry share the same face buffer the
       function does not depend on the topology ID.

   EXIT STATUS
       On failure an error code is set that can be queried using
       rtcGetDeviceError.

   SEE ALSO
       [rtcGetGeometryFirstHalfEdge], [rtcGetGeometryFace],
       [rtcGetGeometryOppositeHalfEdge], [rtcGetGeometryNextHalfEdge],
       [rtcGetGeometryPreviousHalfEdge]

                                             rtcGetGeometryPreviousHalfEdge(3)