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274 lines
11 KiB
C++
274 lines
11 KiB
C++
// Created on: 1995-10-26
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// Created by: Yves FRICAUD
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepOffset_MakeOffset_HeaderFile
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#define _BRepOffset_MakeOffset_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Compound.hxx>
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#include <BRepOffset_Mode.hxx>
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#include <GeomAbs_JoinType.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <BRepOffset_Analyse.hxx>
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#include <BRepAlgo_Image.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <BRepOffset_Error.hxx>
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#include <BRepOffset_MakeLoops.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <BRepOffset_DataMapOfShapeOffset.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <Message_ProgressRange.hxx>
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class BRepAlgo_AsDes;
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class TopoDS_Face;
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class BRepOffset_Inter3d;
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class BRepOffset_MakeOffset
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT BRepOffset_MakeOffset();
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Standard_EXPORT BRepOffset_MakeOffset(const TopoDS_Shape& S,
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const Standard_Real Offset,
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const Standard_Real Tol,
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const BRepOffset_Mode Mode = BRepOffset_Skin,
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const Standard_Boolean Intersection = Standard_False,
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const Standard_Boolean SelfInter = Standard_False,
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const GeomAbs_JoinType Join = GeomAbs_Arc,
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const Standard_Boolean Thickening = Standard_False,
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const Standard_Boolean RemoveIntEdges = Standard_False,
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const Message_ProgressRange& theRange = Message_ProgressRange());
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Standard_EXPORT void Initialize (const TopoDS_Shape& S,
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const Standard_Real Offset,
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const Standard_Real Tol,
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const BRepOffset_Mode Mode = BRepOffset_Skin,
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const Standard_Boolean Intersection = Standard_False,
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const Standard_Boolean SelfInter = Standard_False,
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const GeomAbs_JoinType Join = GeomAbs_Arc,
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const Standard_Boolean Thickening = Standard_False,
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const Standard_Boolean RemoveIntEdges = Standard_False);
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Standard_EXPORT void Clear();
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//! Changes the flag allowing the linearization
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Standard_EXPORT void AllowLinearization (const Standard_Boolean theIsAllowed);
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//! Add Closing Faces, <F> has to be in the initial
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//! shape S.
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Standard_EXPORT void AddFace (const TopoDS_Face& F);
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//! set the offset <Off> on the Face <F>
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Standard_EXPORT void SetOffsetOnFace (const TopoDS_Face& F, const Standard_Real Off);
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Standard_EXPORT void MakeOffsetShape(const Message_ProgressRange& theRange = Message_ProgressRange());
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Standard_EXPORT void MakeThickSolid(const Message_ProgressRange& theRange = Message_ProgressRange());
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Standard_EXPORT const BRepOffset_Analyse& GetAnalyse() const;
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Standard_EXPORT Standard_Boolean IsDone() const;
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Standard_EXPORT const TopoDS_Shape& Shape() const;
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const TopoDS_Shape& InitShape() const
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{
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return myInitialShape;
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}
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//! returns information about offset state.
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Standard_EXPORT BRepOffset_Error Error() const;
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//! Returns <Image> containing links between initials
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//! shapes and offset faces.
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Standard_EXPORT const BRepAlgo_Image& OffsetFacesFromShapes() const;
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//! Returns myJoin.
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Standard_EXPORT GeomAbs_JoinType GetJoinType() const;
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//! Returns <Image> containing links between initials
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//! shapes and offset edges.
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Standard_EXPORT const BRepAlgo_Image& OffsetEdgesFromShapes() const;
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//! Returns the list of closing faces stores by AddFace
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Standard_EXPORT const TopTools_IndexedMapOfShape& ClosingFaces() const;
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//! Makes pre analysis of possibility offset perform. Use method Error() to get more information.
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//! Finds first error. List of checks:
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//! 1) Check for existence object with non-null offset.
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//! 2) Check for connectivity in offset shell.
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//! 3) Check continuity of input surfaces.
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//! 4) Check for normals existence on grid.
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//! @return True if possible make computations and false otherwise.
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Standard_EXPORT Standard_Boolean CheckInputData(const Message_ProgressRange& theRange);
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//! Return bad shape, which obtained in CheckInputData.
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Standard_EXPORT const TopoDS_Shape& GetBadShape() const;
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public: //! @name History methods
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//! Returns the list of shapes generated from the shape <S>.
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Standard_EXPORT const TopTools_ListOfShape& Generated (const TopoDS_Shape& theS);
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//! Returns the list of shapes modified from the shape <S>.
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Standard_EXPORT const TopTools_ListOfShape& Modified (const TopoDS_Shape& theS);
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//! Returns true if the shape S has been deleted.
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Standard_EXPORT Standard_Boolean IsDeleted (const TopoDS_Shape& S);
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protected:
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//! Analyze progress steps of the whole operation.
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//! @param theWhole - sum of progress of all operations.
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//! @oaram theSteps - steps of the operations supported by PI
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Standard_EXPORT void analyzeProgress (const Standard_Real theWhole,
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TColStd_Array1OfReal& theSteps) const;
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private:
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//! Check if shape consists of only planar faces
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//! If <myIsLinearizationAllowed> is TRUE, try to approximate images of faces
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//! by planar faces
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Standard_EXPORT Standard_Boolean IsPlanar();
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//! Set the faces that are to be removed
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Standard_EXPORT void SetFaces();
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//! Set the faces with special value of offset
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Standard_EXPORT void SetFacesWithOffset();
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Standard_EXPORT void BuildFaceComp();
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Standard_EXPORT void BuildOffsetByArc(const Message_ProgressRange& theRange);
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Standard_EXPORT void BuildOffsetByInter(const Message_ProgressRange& theRange);
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//! Make Offset faces
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Standard_EXPORT void MakeOffsetFaces(BRepOffset_DataMapOfShapeOffset& theMapSF, const Message_ProgressRange& theRange);
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Standard_EXPORT void SelfInter (TopTools_MapOfShape& Modif);
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Standard_EXPORT void Intersection3D (BRepOffset_Inter3d& Inter, const Message_ProgressRange& theRange);
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Standard_EXPORT void Intersection2D (const TopTools_IndexedMapOfShape& Modif,
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const TopTools_IndexedMapOfShape& NewEdges,
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const Message_ProgressRange& theRange);
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Standard_EXPORT void MakeLoops (TopTools_IndexedMapOfShape& Modif, const Message_ProgressRange& theRange);
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Standard_EXPORT void MakeLoopsOnContext (TopTools_MapOfShape& Modif);
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Standard_EXPORT void MakeFaces (TopTools_IndexedMapOfShape& Modif, const Message_ProgressRange& theRange);
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Standard_EXPORT void MakeShells(const Message_ProgressRange& theRange);
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Standard_EXPORT void SelectShells();
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Standard_EXPORT void EncodeRegularity();
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//! Replace roots in history maps
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Standard_EXPORT void ReplaceRoots();
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Standard_EXPORT void MakeSolid(const Message_ProgressRange& theRange);
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Standard_EXPORT void ToContext (BRepOffset_DataMapOfShapeOffset& MapSF);
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//! Private method use to update the map face<->offset
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Standard_EXPORT void UpdateFaceOffset();
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//! Private method used to correct degenerated edges on conical faces
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Standard_EXPORT void CorrectConicalFaces();
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//! Private method used to build walls for thickening the shell
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Standard_EXPORT void MakeMissingWalls(const Message_ProgressRange& theRange);
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//! Removes INTERNAL edges from the result
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Standard_EXPORT void RemoveInternalEdges();
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//! Intersects edges
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Standard_EXPORT void IntersectEdges (const TopTools_ListOfShape& theFaces,
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BRepOffset_DataMapOfShapeOffset& theMapSF,
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TopTools_DataMapOfShapeShape& theMES,
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TopTools_DataMapOfShapeShape& theBuild,
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Handle(BRepAlgo_AsDes)& theAsDes,
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Handle(BRepAlgo_AsDes)& theAsDes2d,
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const Message_ProgressRange& theRange);
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//! Building of the splits of the offset faces for mode Complete
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//! and joint type Intersection. This method is an advanced alternative
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//! for BRepOffset_MakeLoops::Build method.
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//! Currently the Complete intersection mode is limited to work only on planar cases.
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Standard_EXPORT void BuildSplitsOfExtendedFaces(const TopTools_ListOfShape& theLF,
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const BRepOffset_Analyse& theAnalyse,
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const Handle(BRepAlgo_AsDes)& theAsDes,
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TopTools_DataMapOfShapeListOfShape& theEdgesOrigins,
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TopTools_DataMapOfShapeShape& theFacesOrigins,
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TopTools_DataMapOfShapeShape& theETrimEInf,
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BRepAlgo_Image& theImage,
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const Message_ProgressRange& theRange);
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//! Building of the splits of the already trimmed offset faces for mode Complete
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//! and joint type Intersection.
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Standard_EXPORT void BuildSplitsOfTrimmedFaces(const TopTools_ListOfShape& theLF,
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const Handle(BRepAlgo_AsDes)& theAsDes,
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BRepAlgo_Image& theImage,
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const Message_ProgressRange& theRange);
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Standard_Real myOffset;
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Standard_Real myTol;
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TopoDS_Shape myInitialShape;
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TopoDS_Shape myShape;
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TopoDS_Compound myFaceComp;
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BRepOffset_Mode myMode;
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Standard_Boolean myIsLinearizationAllowed;
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Standard_Boolean myInter;
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Standard_Boolean mySelfInter;
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GeomAbs_JoinType myJoin;
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Standard_Boolean myThickening;
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Standard_Boolean myRemoveIntEdges;
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TopTools_DataMapOfShapeReal myFaceOffset;
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TopTools_IndexedMapOfShape myFaces;
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TopTools_IndexedMapOfShape myOriginalFaces;
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BRepOffset_Analyse myAnalyse;
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TopoDS_Shape myOffsetShape;
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BRepAlgo_Image myInitOffsetFace;
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BRepAlgo_Image myInitOffsetEdge;
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BRepAlgo_Image myImageOffset;
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BRepAlgo_Image myImageVV;
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TopTools_ListOfShape myWalls;
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Handle(BRepAlgo_AsDes) myAsDes;
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TopTools_DataMapOfShapeListOfShape myEdgeIntEdges;
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Standard_Boolean myDone;
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BRepOffset_Error myError;
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BRepOffset_MakeLoops myMakeLoops;
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Standard_Boolean myIsPerformSewing; // Handle bad walls in thicksolid mode.
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Standard_Boolean myIsPlanar;
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TopoDS_Shape myBadShape;
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TopTools_DataMapOfShapeShape myFacePlanfaceMap;
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TopTools_ListOfShape myGenerated;
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TopTools_MapOfShape myResMap;
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};
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#endif // _BRepOffset_MakeOffset_HeaderFile
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