AcRxObject AcGiDrawable AcHeapOperators AcDbObject AcDbEntity AcDbCurve AcDbRay
class AcDbRay : public AcDbCurve;
dbray.h
The AcDbRay class represents the RAY entity type within AutoCAD.
A ray entity is a line that has a start point, but continues on to infinity in some direction.
AcDbEntity, AcDbObject, AcGePoint3d, AcGeVector3d