// Created on: 1995-10-26 // Created by: Yves FRICAUD // Copyright (c) 1995-1999 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 _BRepOffset_MakeOffset_HeaderFile #define _BRepOffset_MakeOffset_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include class BRepAlgo_AsDes; class TopoDS_Face; class BRepOffset_Inter3d; class BRepOffset_MakeOffset { public: DEFINE_STANDARD_ALLOC Standard_EXPORT BRepOffset_MakeOffset(); Standard_EXPORT BRepOffset_MakeOffset(const TopoDS_Shape& S, const Standard_Real Offset, const Standard_Real Tol, const BRepOffset_Mode Mode = BRepOffset_Skin, const Standard_Boolean Intersection = Standard_False, const Standard_Boolean SelfInter = Standard_False, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean Thickening = Standard_False, const Standard_Boolean RemoveIntEdges = Standard_False, const Message_ProgressRange& theRange = Message_ProgressRange()); Standard_EXPORT void Initialize (const TopoDS_Shape& S, const Standard_Real Offset, const Standard_Real Tol, const BRepOffset_Mode Mode = BRepOffset_Skin, const Standard_Boolean Intersection = Standard_False, const Standard_Boolean SelfInter = Standard_False, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean Thickening = Standard_False, const Standard_Boolean RemoveIntEdges = Standard_False); Standard_EXPORT void Clear(); //! Changes the flag allowing the linearization Standard_EXPORT void AllowLinearization (const Standard_Boolean theIsAllowed); //! Add Closing Faces, has to be in the initial //! shape S. Standard_EXPORT void AddFace (const TopoDS_Face& F); //! set the offset on the Face Standard_EXPORT void SetOffsetOnFace (const TopoDS_Face& F, const Standard_Real Off); Standard_EXPORT void MakeOffsetShape(const Message_ProgressRange& theRange = Message_ProgressRange()); Standard_EXPORT void MakeThickSolid(const Message_ProgressRange& theRange = Message_ProgressRange()); Standard_EXPORT const BRepOffset_Analyse& GetAnalyse() const; Standard_EXPORT Standard_Boolean IsDone() const; Standard_EXPORT const TopoDS_Shape& Shape() const; const TopoDS_Shape& InitShape() const { return myInitialShape; } //! returns information about offset state. Standard_EXPORT BRepOffset_Error Error() const; //! Returns containing links between initials //! shapes and offset faces. Standard_EXPORT const BRepAlgo_Image& OffsetFacesFromShapes() const; //! Returns myJoin. Standard_EXPORT GeomAbs_JoinType GetJoinType() const; //! Returns containing links between initials //! shapes and offset edges. Standard_EXPORT const BRepAlgo_Image& OffsetEdgesFromShapes() const; //! Returns the list of closing faces stores by AddFace Standard_EXPORT const TopTools_IndexedMapOfShape& ClosingFaces() const; //! Makes pre analysis of possibility offset perform. Use method Error() to get more information. //! Finds first error. List of checks: //! 1) Check for existence object with non-null offset. //! 2) Check for connectivity in offset shell. //! 3) Check continuity of input surfaces. //! 4) Check for normals existence on grid. //! @return True if possible make computations and false otherwise. Standard_EXPORT Standard_Boolean CheckInputData(const Message_ProgressRange& theRange); //! Return bad shape, which obtained in CheckInputData. Standard_EXPORT const TopoDS_Shape& GetBadShape() const; public: //! @name History methods //! Returns the list of shapes generated from the shape . Standard_EXPORT const TopTools_ListOfShape& Generated (const TopoDS_Shape& theS); //! Returns the list of shapes modified from the shape . Standard_EXPORT const TopTools_ListOfShape& Modified (const TopoDS_Shape& theS); //! Returns true if the shape S has been deleted. Standard_EXPORT Standard_Boolean IsDeleted (const TopoDS_Shape& S); protected: //! Analyze progress steps of the whole operation. //! @param theWhole - sum of progress of all operations. //! @oaram theSteps - steps of the operations supported by PI Standard_EXPORT void analyzeProgress (const Standard_Real theWhole, TColStd_Array1OfReal& theSteps) const; private: //! Check if shape consists of only planar faces //! If is TRUE, try to approximate images of faces //! by planar faces Standard_EXPORT Standard_Boolean IsPlanar(); //! Set the faces that are to be removed Standard_EXPORT void SetFaces(); //! Set the faces with special value of offset Standard_EXPORT void SetFacesWithOffset(); Standard_EXPORT void BuildFaceComp(); Standard_EXPORT void BuildOffsetByArc(const Message_ProgressRange& theRange); Standard_EXPORT void BuildOffsetByInter(const Message_ProgressRange& theRange); //! Make Offset faces Standard_EXPORT void MakeOffsetFaces(BRepOffset_DataMapOfShapeOffset& theMapSF, const Message_ProgressRange& theRange); Standard_EXPORT void SelfInter (TopTools_MapOfShape& Modif); Standard_EXPORT void Intersection3D (BRepOffset_Inter3d& Inter, const Message_ProgressRange& theRange); Standard_EXPORT void Intersection2D (const TopTools_IndexedMapOfShape& Modif, const TopTools_IndexedMapOfShape& NewEdges, const Message_ProgressRange& theRange); Standard_EXPORT void MakeLoops (TopTools_IndexedMapOfShape& Modif, const Message_ProgressRange& theRange); Standard_EXPORT void MakeLoopsOnContext (TopTools_MapOfShape& Modif); Standard_EXPORT void MakeFaces (TopTools_IndexedMapOfShape& Modif, const Message_ProgressRange& theRange); Standard_EXPORT void MakeShells(const Message_ProgressRange& theRange); Standard_EXPORT void SelectShells(); Standard_EXPORT void EncodeRegularity(); //! Replace roots in history maps Standard_EXPORT void ReplaceRoots(); Standard_EXPORT void MakeSolid(const Message_ProgressRange& theRange); Standard_EXPORT void ToContext (BRepOffset_DataMapOfShapeOffset& MapSF); //! Private method use to update the map face<->offset Standard_EXPORT void UpdateFaceOffset(); //! Private method used to correct degenerated edges on conical faces Standard_EXPORT void CorrectConicalFaces(); //! Private method used to build walls for thickening the shell Standard_EXPORT void MakeMissingWalls(const Message_ProgressRange& theRange); //! Removes INTERNAL edges from the result Standard_EXPORT void RemoveInternalEdges(); //! Intersects edges Standard_EXPORT void IntersectEdges (const TopTools_ListOfShape& theFaces, BRepOffset_DataMapOfShapeOffset& theMapSF, TopTools_DataMapOfShapeShape& theMES, TopTools_DataMapOfShapeShape& theBuild, Handle(BRepAlgo_AsDes)& theAsDes, Handle(BRepAlgo_AsDes)& theAsDes2d, const Message_ProgressRange& theRange); //! Building of the splits of the offset faces for mode Complete //! and joint type Intersection. This method is an advanced alternative //! for BRepOffset_MakeLoops::Build method. //! Currently the Complete intersection mode is limited to work only on planar cases. Standard_EXPORT void BuildSplitsOfExtendedFaces(const TopTools_ListOfShape& theLF, const BRepOffset_Analyse& theAnalyse, const Handle(BRepAlgo_AsDes)& theAsDes, TopTools_DataMapOfShapeListOfShape& theEdgesOrigins, TopTools_DataMapOfShapeShape& theFacesOrigins, TopTools_DataMapOfShapeShape& theETrimEInf, BRepAlgo_Image& theImage, const Message_ProgressRange& theRange); //! Building of the splits of the already trimmed offset faces for mode Complete //! and joint type Intersection. Standard_EXPORT void BuildSplitsOfTrimmedFaces(const TopTools_ListOfShape& theLF, const Handle(BRepAlgo_AsDes)& theAsDes, BRepAlgo_Image& theImage, const Message_ProgressRange& theRange); Standard_Real myOffset; Standard_Real myTol; TopoDS_Shape myInitialShape; TopoDS_Shape myShape; TopoDS_Compound myFaceComp; BRepOffset_Mode myMode; Standard_Boolean myIsLinearizationAllowed; Standard_Boolean myInter; Standard_Boolean mySelfInter; GeomAbs_JoinType myJoin; Standard_Boolean myThickening; Standard_Boolean myRemoveIntEdges; TopTools_DataMapOfShapeReal myFaceOffset; TopTools_IndexedMapOfShape myFaces; TopTools_IndexedMapOfShape myOriginalFaces; BRepOffset_Analyse myAnalyse; TopoDS_Shape myOffsetShape; BRepAlgo_Image myInitOffsetFace; BRepAlgo_Image myInitOffsetEdge; BRepAlgo_Image myImageOffset; BRepAlgo_Image myImageVV; TopTools_ListOfShape myWalls; Handle(BRepAlgo_AsDes) myAsDes; TopTools_DataMapOfShapeListOfShape myEdgeIntEdges; Standard_Boolean myDone; BRepOffset_Error myError; BRepOffset_MakeLoops myMakeLoops; Standard_Boolean myIsPerformSewing; // Handle bad walls in thicksolid mode. Standard_Boolean myIsPlanar; TopoDS_Shape myBadShape; TopTools_DataMapOfShapeShape myFacePlanfaceMap; TopTools_ListOfShape myGenerated; TopTools_MapOfShape myResMap; }; #endif // _BRepOffset_MakeOffset_HeaderFile