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180 lines
6.8 KiB
C++
180 lines
6.8 KiB
C++
// Created on: 1997-11-21
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 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 _BRepFill_Sweep_HeaderFile
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#define _BRepFill_Sweep_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 <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <GeomFill_ApproxStyle.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Integer.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopTools_HArray2OfShape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <BRepFill_DataMapOfShapeHArray2OfShape.hxx>
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#include <BRepFill_TransitionStyle.hxx>
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class BRepFill_LocationLaw;
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class BRepFill_SectionLaw;
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class StdFail_NotDone;
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class Standard_OutOfRange;
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class Standard_ConstructionError;
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class TopoDS_Wire;
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class TopoDS_Shape;
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class TopoDS_Edge;
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//! Topological Sweep Algorithm
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//! Computes an Sweep shell using a generating
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//! wire, an SectionLaw and an LocationLaw.
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class BRepFill_Sweep
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section, const Handle(BRepFill_LocationLaw)& Location, const Standard_Boolean WithKPart);
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Standard_EXPORT void SetBounds (const TopoDS_Wire& FirstShape, const TopoDS_Wire& LastShape);
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//! Set Approximation Tolerance
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//! Tol3d : Tolerance to surface approximation
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//! Tol2d : Tolerance used to perform curve approximation
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//! Normaly the 2d curve are approximated with a
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//! tolerance given by the resolution on support surfaces,
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//! but if this tolerance is too large Tol2d is used.
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//! TolAngular : Tolerance (in radian) to control the angle
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//! between tangents on the section law and
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//! tangent of iso-v on approximated surface
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Standard_EXPORT void SetTolerance (const Standard_Real Tol3d, const Standard_Real BoundTol = 1.0, const Standard_Real Tol2d = 1.0e-5, const Standard_Real TolAngular = 1.0e-2);
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//! Tolerance To controle Corner management.
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//!
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//! If the discontinuity is lesser than <AngleMin> in radian The
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//! Transition Performed will be alway "Modified"
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Standard_EXPORT void SetAngularControl (const Standard_Real AngleMin = 0.01, const Standard_Real AngleMax = 6.0);
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//! Set the flag that indicates attempt to approximate
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//! a C1-continuous surface if a swept surface proved
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//! to be C0.
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Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
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//! Build the Sweep Surface
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//! Transition define Transition strategy
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//! Approx define Approximation Strategy
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//! - GeomFill_Section : The composed Function Location X Section
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//! is directly approximated.
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//! - GeomFill_Location : The location law is approximated, and the
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//! SweepSurface is bulid algebric composition
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//! of approximated location law and section law
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//! This option is Ok, if Section.Surface() methode
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//! is effective.
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//! Continuity : The continuity in v waiting on the surface
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//! Degmax : The maximum degree in v required on the surface
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//! Segmax : The maximum number of span in v required on
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//! the surface.
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Standard_EXPORT void Build (TopTools_MapOfShape& ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape& Tapes, BRepFill_DataMapOfShapeHArray2OfShape& Rails, const BRepFill_TransitionStyle Transition = BRepFill_Modified, const GeomAbs_Shape Continuity = GeomAbs_C2, const GeomFill_ApproxStyle Approx = GeomFill_Location, const Standard_Integer Degmax = 11, const Standard_Integer Segmax = 30);
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//! Say if the Shape is Build.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! returns the Sweeping Shape
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Standard_EXPORT TopoDS_Shape Shape() const;
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//! Get the Approximation error.
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Standard_EXPORT Standard_Real ErrorOnSurface() const;
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Standard_EXPORT Handle(TopTools_HArray2OfShape) SubShape() const;
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Standard_EXPORT Handle(TopTools_HArray2OfShape) InterFaces() const;
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Standard_EXPORT Handle(TopTools_HArray2OfShape) Sections() const;
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//! returns the Tape corresponding to Index-th edge of section
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Standard_EXPORT TopoDS_Shape Tape(const Standard_Integer Index) const;
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protected:
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Standard_EXPORT Standard_Boolean CorrectApproxParameters();
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Standard_EXPORT Standard_Boolean BuildWire (const BRepFill_TransitionStyle Transition);
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Standard_EXPORT Standard_Boolean BuildShell (const BRepFill_TransitionStyle Transition, const Standard_Integer Vf, const Standard_Integer Vl, TopTools_MapOfShape& ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape& Tapes, BRepFill_DataMapOfShapeHArray2OfShape& Rails, const Standard_Real ExtendFirst = 0.0, const Standard_Real ExtendLast = 0.0);
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Standard_EXPORT Standard_Boolean PerformCorner (const Standard_Integer Index, const BRepFill_TransitionStyle Transition, const Handle(TopTools_HArray2OfShape)& Bounds);
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Standard_EXPORT Standard_Real EvalExtrapol (const Standard_Integer Index, const BRepFill_TransitionStyle Transition) const;
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Standard_EXPORT Standard_Boolean MergeVertex (const TopoDS_Shape& V1, TopoDS_Shape& V2) const;
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Standard_EXPORT void UpdateVertex (const Standard_Integer Ipath, const Standard_Integer Isec, const Standard_Real Error, const Standard_Real Param, TopoDS_Shape& V) const;
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Standard_EXPORT void RebuildTopOrBottomEdge (const TopoDS_Edge& aNewEdge, TopoDS_Edge& anEdge, TopTools_MapOfShape& ReversedEdges) const;
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private:
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Standard_Boolean isDone;
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Standard_Boolean KPart;
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Standard_Real myTol3d;
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Standard_Real myBoundTol;
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Standard_Real myTol2d;
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Standard_Real myTolAngular;
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Standard_Real myAngMin;
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Standard_Real myAngMax;
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GeomFill_ApproxStyle myApproxStyle;
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GeomAbs_Shape myContinuity;
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Standard_Integer myDegmax;
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Standard_Integer mySegmax;
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Standard_Boolean myForceApproxC1;
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TopoDS_Shape myShape;
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Handle(BRepFill_LocationLaw) myLoc;
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Handle(BRepFill_SectionLaw) mySec;
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Handle(TopTools_HArray2OfShape) myUEdges;
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Handle(TopTools_HArray2OfShape) myVEdges;
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TopTools_DataMapOfShapeShape myVEdgesModified;
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Handle(TopTools_HArray2OfShape) myFaces;
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TopTools_ListOfShape myAuxShape;
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Handle(TopTools_HArray1OfShape) myTapes;
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Standard_Real Error;
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TopoDS_Wire FirstShape;
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TopoDS_Wire LastShape;
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};
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#endif // _BRepFill_Sweep_HeaderFile
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