PTLOC_VERTEX      366 modules/imgproc/src/subdivision2d.cpp             location = PTLOC_VERTEX;
PTLOC_VERTEX      372 modules/imgproc/src/subdivision2d.cpp             location = PTLOC_VERTEX;
PTLOC_VERTEX      421 modules/imgproc/src/subdivision2d.cpp     if( location == PTLOC_VERTEX )