122 lines
4.7 KiB
C++
122 lines
4.7 KiB
C++
// Created on: 1997-10-13
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// Created by: Roman BORISOV
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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 _BRepAlgo_NormalProjection_HeaderFile
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#define _BRepAlgo_NormalProjection_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "TopoDS_Shape.hxx"
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#include "GeomAbs_Shape.hxx"
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#include "Standard_Integer.hxx"
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#include "TopTools_DataMapOfShapeShape.hxx"
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#include "TopTools_DataMapOfShapeListOfShape.hxx"
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#include "TopTools_ListOfShape.hxx"
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class TopoDS_Edge;
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class Adaptor3d_Curve;
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//! This class makes the projection of a wire on a
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//! shape.
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class BRepAlgo_NormalProjection
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT BRepAlgo_NormalProjection();
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Standard_EXPORT BRepAlgo_NormalProjection(const TopoDS_Shape& S);
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Standard_EXPORT void Init(const TopoDS_Shape& S);
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//! Add an edge or a wire to the list of shape to project
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Standard_EXPORT void Add(const TopoDS_Shape& ToProj);
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//! Set the parameters used for computation
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//! Tol3d is the required tolerance between the 3d projected
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//! curve and its 2d representation
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//! InternalContinuity is the order of constraints
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//! used for approximation.
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//! MaxDeg and MaxSeg are the maximum degree and the maximum
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//! number of segment for BSpline resulting of an approximation.
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Standard_EXPORT void SetParams(const Standard_Real Tol3D,
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const Standard_Real Tol2D,
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const GeomAbs_Shape InternalContinuity,
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const Standard_Integer MaxDegree,
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const Standard_Integer MaxSeg);
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//! Set the parameters used for computation
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//! in their default values
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Standard_EXPORT void SetDefaultParams();
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//! Sets the maximum distance between target shape and
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//! shape to project. If this condition is not satisfied then
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//! corresponding part of solution is discarded.
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//! if MaxDist < 0 then this method does not affect the algorithm
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Standard_EXPORT void SetMaxDistance(const Standard_Real MaxDist);
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//! if With3d = Standard_False the 3dcurve is not computed
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//! the initial 3dcurve is kept to build the resulting edges.
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Standard_EXPORT void Compute3d(const Standard_Boolean With3d = Standard_True);
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//! Manage limitation of projected edges.
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Standard_EXPORT void SetLimit(const Standard_Boolean FaceBoundaries = Standard_True);
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//! Builds the result as a compound.
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Standard_EXPORT void Build();
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! returns the result
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Standard_EXPORT const TopoDS_Shape& Projection() const;
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//! For a resulting edge, returns the corresponding initial edge.
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Standard_EXPORT const TopoDS_Shape& Ancestor(const TopoDS_Edge& E) const;
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//! For a projected edge, returns the corresponding initial face.
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Standard_EXPORT const TopoDS_Shape& Couple(const TopoDS_Edge& E) const;
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//! Returns the list of shapes generated from the
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//! shape <S>.
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Standard_EXPORT const TopTools_ListOfShape& Generated(const TopoDS_Shape& S);
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Standard_EXPORT Standard_Boolean IsElementary(const Adaptor3d_Curve& C) const;
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//! build the result as a list of wire if possible in --
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//! a first returns a wire only if there is only a wire.
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Standard_EXPORT Standard_Boolean BuildWire(TopTools_ListOfShape& Liste) const;
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protected:
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private:
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TopoDS_Shape myShape;
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Standard_Boolean myIsDone;
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Standard_Real myTol3d;
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Standard_Real myTol2d;
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Standard_Real myMaxDist;
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Standard_Boolean myWith3d;
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GeomAbs_Shape myContinuity;
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Standard_Integer myMaxDegree;
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Standard_Integer myMaxSeg;
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Standard_Boolean myFaceBounds;
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TopoDS_Shape myToProj;
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TopTools_DataMapOfShapeShape myAncestorMap;
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TopTools_DataMapOfShapeShape myCorresp;
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TopTools_DataMapOfShapeListOfShape myDescendants;
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TopoDS_Shape myRes;
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};
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#endif // _BRepAlgo_NormalProjection_HeaderFile
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