// Created on: 1994-03-10 // Created by: Laurent BUCHARD // Copyright (c) 1994-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _BRepClass3d_SolidExplorer_HeaderFile #define _BRepClass3d_SolidExplorer_HeaderFile #include #include #include #include #include #include #include #include class gp_Pnt; class TopoDS_Face; class gp_Vec; class TopoDS_Shell; class gp_Lin; class IntCurvesFace_Intersector; //! Provide an exploration of a BRep Shape for the classification. //! Provide access to the special UB tree to obtain fast search. class BRepClass3d_SolidExplorer { public: DEFINE_STANDARD_ALLOC Standard_EXPORT BRepClass3d_SolidExplorer(); Standard_EXPORT BRepClass3d_SolidExplorer(const TopoDS_Shape& S); Standard_EXPORT virtual ~BRepClass3d_SolidExplorer(); Standard_EXPORT void InitShape (const TopoDS_Shape& S); //! Should return True if P outside of bounding vol. of the shape Standard_EXPORT virtual Standard_Boolean Reject (const gp_Pnt& P) const; //! compute a point P in the face F. Param is a Real in //! ]0,1[ and is used to initialise the algorithm. For //! different values , different points are returned. Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& Param); Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v, Standard_Real& Param); Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v, Standard_Real& Param, gp_Vec& theVecD1U, gp_Vec& theVecD1V); Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v); Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, gp_Pnt& P); Standard_EXPORT static Standard_Boolean FindAPointInTheFace (const TopoDS_Face& F, Standard_Real& u, Standard_Real& v); Standard_EXPORT Standard_Boolean PointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v, Standard_Real& Param, Standard_Integer& Index) const; Standard_EXPORT Standard_Boolean PointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v, Standard_Real& Param, Standard_Integer& Index, const Handle(BRepAdaptor_Surface)& surf, const Standard_Real u1, const Standard_Real v1, const Standard_Real u2, const Standard_Real v2) const; //! gives point index to search from and returns //! point index of succeseful search Standard_EXPORT Standard_Boolean PointInTheFace (const TopoDS_Face& F, gp_Pnt& P, Standard_Real& u, Standard_Real& v, Standard_Real& Param, Standard_Integer& Index, const Handle(BRepAdaptor_Surface)& surf, const Standard_Real u1, const Standard_Real v1, const Standard_Real u2, const Standard_Real v2, gp_Vec& theVecD1U, gp_Vec& theVecD1V) const; //! Starts an exploration of the shells. Standard_EXPORT void InitShell(); //! Returns True if there is a current shell. Standard_EXPORT Standard_Boolean MoreShell() const; //! Sets the explorer to the next shell. Standard_EXPORT void NextShell(); //! Returns the current shell. Standard_EXPORT TopoDS_Shell CurrentShell() const; //! Returns True if the Shell is rejected. Standard_EXPORT virtual Standard_Boolean RejectShell (const gp_Lin& L) const; //! Starts an exploration of the faces of the current shell. Standard_EXPORT void InitFace(); //! Returns True if current face in current shell. Standard_EXPORT Standard_Boolean MoreFace() const; //! Sets the explorer to the next Face of the current shell. Standard_EXPORT void NextFace(); //! Returns the current face. Standard_EXPORT TopoDS_Face CurrentFace() const; //! returns True if the face is rejected. Standard_EXPORT virtual Standard_Boolean RejectFace (const gp_Lin& L) const; //! Returns in , a segment having at least //! one intersection with the shape boundary to //! compute intersections. Standard_EXPORT Standard_Integer Segment (const gp_Pnt& P, gp_Lin& L, Standard_Real& Par); //! Returns in , a segment having at least //! one intersection with the shape boundary to //! compute intersections. //! //! The First Call to this method returns a line which //! point to a point of the first face of the shape. //! The Second Call provide a line to the second face //! and so on. Standard_EXPORT Standard_Integer OtherSegment (const gp_Pnt& P, gp_Lin& L, Standard_Real& Par); //! Returns the index of face for which //! last segment is calculated. Standard_EXPORT Standard_Integer GetFaceSegmentIndex() const; Standard_EXPORT virtual void DumpSegment (const gp_Pnt& P, const gp_Lin& L, const Standard_Real Par, const TopAbs_State S) const; Standard_EXPORT const Bnd_Box& Box() const; Standard_EXPORT const TopoDS_Shape& GetShape() const; Standard_EXPORT IntCurvesFace_Intersector& Intersector (const TopoDS_Face& F) const; //! Return UB-tree instance which is used for edge / vertex checks. const BRepClass3d_BndBoxTree& GetTree () {return myTree;} //! Return edge/vertices map for current shape. const TopTools_IndexedMapOfShape& GetMapEV () {return myMapEV;} Standard_EXPORT void Destroy(); private: Standard_EXPORT BRepClass3d_SolidExplorer(const BRepClass3d_SolidExplorer& Oth); protected: Standard_EXPORT TopAbs_State ClassifyUVPoint (const IntCurvesFace_Intersector& theIntersector, const Handle(BRepAdaptor_Surface)& theSurf, const gp_Pnt2d& theP2d) const; private: Bnd_Box myBox; TopoDS_Shape myShape; Standard_Boolean myReject; Standard_Integer myFirstFace; Standard_Real myParamOnEdge; TopExp_Explorer myShellExplorer; TopExp_Explorer myFaceExplorer; BRepClass3d_MapOfInter myMapOfInter; BRepClass3d_BndBoxTree myTree; TopTools_IndexedMapOfShape myMapEV; }; #endif // _BRepClass3d_SolidExplorer_HeaderFile