#include <Geom2dToIGES_Geom2dEntity.hxx>#include <Handle_IGESGeom_Direction.hxx>#include <Handle_Geom2d_Vector.hxx>#include <Handle_Geom2d_VectorWithMagnitude.hxx>#include <Handle_Geom2d_Direction.hxx>#include <Standard.hxx>#include <Standard_Macro.hxx>
1.4.1