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occt/src/BRepOffset/BRepOffset_MakeOffset.hxx

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// 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 <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Compound.hxx>
#include <BRepOffset_Mode.hxx>
#include <GeomAbs_JoinType.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <BRepOffset_Analyse.hxx>
#include <BRepAlgo_Image.hxx>
#include <TopTools_ListOfShape.hxx>
#include <BRepOffset_Error.hxx>
#include <BRepOffset_MakeLoops.hxx>
#include <TopTools_MapOfShape.hxx>
#include <BRepOffset_DataMapOfShapeOffset.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <Message_ProgressRange.hxx>
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, <F> has to be in the initial
//! shape S.
Standard_EXPORT void AddFace (const TopoDS_Face& F);
//! set the offset <Off> on the Face <F>
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 <Image> containing links between initials
//! shapes and offset faces.
Standard_EXPORT const BRepAlgo_Image& OffsetFacesFromShapes() const;
//! Returns myJoin.
Standard_EXPORT GeomAbs_JoinType GetJoinType() const;
//! Returns <Image> 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 <S>.
Standard_EXPORT const TopTools_ListOfShape& Generated (const TopoDS_Shape& theS);
//! Returns the list of shapes modified from the shape <S>.
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 <myIsLinearizationAllowed> 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