#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
-#include <Standard_Handle.hxx>
#include <gp_Dir.hxx>
-#include <Standard_Real.hxx>
-#include <Standard_Boolean.hxx>
#include <TopAbs_Orientation.hxx>
#include <TopAbs_State.hxx>
-#include <Standard_Integer.hxx>
//! This algorithm is used to compute the transition