// Created on: 1997-11-21 // Created by: Philippe MANGIN // Copyright (c) 1997-1999 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 _BRepFill_Sweep_HeaderFile #define _BRepFill_Sweep_HeaderFile #include "Standard.hxx" #include "Standard_DefineAlloc.hxx" #include "Standard_Handle.hxx" #include "GeomFill_ApproxStyle.hxx" #include "GeomAbs_Shape.hxx" #include "Standard_Integer.hxx" #include "TopoDS_Shape.hxx" #include "TopTools_ShapeMapHasher.hxx" #include "NCollection_DataMap.hxx" #include "NCollection_List.hxx" #include "TopoDS_Wire.hxx" #include "NCollection_Map.hxx" #include "NCollection_Array2.hxx" #include "NCollection_HArray2.hxx" #include "BRepFill_TransitionStyle.hxx" class BRepFill_LocationLaw; class BRepFill_SectionLaw; class TopoDS_Edge; //! Topological Sweep Algorithm //! Computes an Sweep shell using a generating //! wire, an SectionLaw and an LocationLaw. class BRepFill_Sweep { public: DEFINE_STANDARD_ALLOC Standard_EXPORT BRepFill_Sweep(const occ::handle& Section, const occ::handle& Location, const bool WithKPart); Standard_EXPORT void SetBounds(const TopoDS_Wire& FirstShape, const TopoDS_Wire& LastShape); //! Set Approximation Tolerance //! Tol3d : Tolerance to surface approximation //! Tol2d : Tolerance used to perform curve approximation //! Normally the 2d curve are approximated with a //! tolerance given by the resolution on support surfaces, //! but if this tolerance is too large Tol2d is used. //! TolAngular : Tolerance (in radian) to control the angle //! between tangents on the section law and //! tangent of iso-v on approximated surface Standard_EXPORT void SetTolerance(const double Tol3d, const double BoundTol = 1.0, const double Tol2d = 1.0e-5, const double TolAngular = 1.0e-2); //! Tolerance To controle Corner management. //! //! If the discontinuity is lesser than in radian The //! Transition Performed will be always "Modified" Standard_EXPORT void SetAngularControl(const double AngleMin = 0.01, const double AngleMax = 6.0); //! Set the flag that indicates attempt to approximate //! a C1-continuous surface if a swept surface proved //! to be C0. Standard_EXPORT void SetForceApproxC1(const bool ForceApproxC1); //! Build the Sweep Surface //! Transition define Transition strategy //! Approx define Approximation Strategy //! - GeomFill_Section : The composed Function Location X Section //! is directly approximated. //! - GeomFill_Location : The location law is approximated, and the //! SweepSurface builds an algebraic composition //! of approximated location law and section law //! This option is Ok, if Section.Surface() methode //! is effective. //! Continuity : The continuity in v waiting on the surface //! Degmax : The maximum degree in v required on the surface //! Segmax : The maximum number of span in v required on //! the surface. Standard_EXPORT void Build(NCollection_Map& ReversedEdges, NCollection_DataMap>, TopTools_ShapeMapHasher>& Tapes, NCollection_DataMap>, TopTools_ShapeMapHasher>& Rails, const BRepFill_TransitionStyle Transition = BRepFill_Modified, const GeomAbs_Shape Continuity = GeomAbs_C2, const GeomFill_ApproxStyle Approx = GeomFill_Location, const int Degmax = 11, const int Segmax = 30); //! Say if the Shape is Build. Standard_EXPORT bool IsDone() const; //! Returns the Sweeping Shape Standard_EXPORT TopoDS_Shape Shape() const; //! Get the Approximation error. Standard_EXPORT double ErrorOnSurface() const; Standard_EXPORT occ::handle> SubShape() const; Standard_EXPORT occ::handle> InterFaces() const; Standard_EXPORT occ::handle> Sections() const; //! Returns the Tape corresponding to Index-th edge of section Standard_EXPORT TopoDS_Shape Tape(const int Index) const; protected: Standard_EXPORT bool CorrectApproxParameters(); Standard_EXPORT bool BuildWire(const BRepFill_TransitionStyle Transition); Standard_EXPORT bool BuildShell( const BRepFill_TransitionStyle Transition, const int Vf, const int Vl, NCollection_Map& ReversedEdges, NCollection_DataMap>, TopTools_ShapeMapHasher>& Tapes, NCollection_DataMap>, TopTools_ShapeMapHasher>& Rails, const double ExtendFirst = 0.0, const double ExtendLast = 0.0); Standard_EXPORT bool PerformCorner(const int Index, const BRepFill_TransitionStyle Transition, const occ::handle>& Bounds); Standard_EXPORT double EvalExtrapol(const int Index, const BRepFill_TransitionStyle Transition) const; Standard_EXPORT bool MergeVertex(const TopoDS_Shape& V1, TopoDS_Shape& V2) const; Standard_EXPORT void UpdateVertex(const int Ipath, const int Isec, const double Error, const double Param, TopoDS_Shape& V) const; Standard_EXPORT void RebuildTopOrBottomEdge( const TopoDS_Edge& aNewEdge, TopoDS_Edge& anEdge, NCollection_Map& ReversedEdges) const; private: bool isDone; bool KPart; double myTol3d; double myBoundTol; double myTol2d; double myTolAngular; double myAngMin; double myAngMax; GeomFill_ApproxStyle myApproxStyle; GeomAbs_Shape myContinuity; int myDegmax; int mySegmax; bool myForceApproxC1; TopoDS_Shape myShape; occ::handle myLoc; occ::handle mySec; occ::handle> myUEdges; occ::handle> myVEdges; NCollection_DataMap myVEdgesModified; occ::handle> myFaces; NCollection_List myAuxShape; occ::handle> myTapes; double Error; TopoDS_Wire FirstShape; TopoDS_Wire LastShape; }; #endif // _BRepFill_Sweep_HeaderFile