1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // File : GEOMImpl_Fillet1d.hxx
22 #ifndef _GEOMImpl_Fillet1d_HeaderFile
23 #define _GEOMImpl_Fillet1d_HeaderFile
25 #include <TopoDS_Edge.hxx>
27 #include <Geom_Plane.hxx>
28 #include <Geom2d_Curve.hxx>
32 #include <TColStd_ListOfReal.hxx>
33 #include <TColStd_SequenceOfReal.hxx>
34 #include <TColStd_SequenceOfInteger.hxx>
36 class GEOMImpl_Fillet1dPoint;
39 * GEOMImpl_Fillet1d is 1D fillet algorithm on two planar edges with given radius
42 class GEOMImpl_Fillet1d
46 //! The fillet 1D algorithm is initialised by two edges and plane
47 Standard_EXPORT GEOMImpl_Fillet1d(const TopoDS_Edge& theEdge1,
48 const TopoDS_Edge& theEdge2,
49 const gp_Pln& thePlane);
50 //! Makes fillet with given radius
51 //! @returns Standard_True, if at least one result computed
52 Standard_EXPORT Standard_Boolean Perform(const Standard_Real theRadius);
54 //! Returns result fillet edge and modified edges as out parameters
55 Standard_EXPORT TopoDS_Edge Result(const gp_Pnt& thePoint, TopoDS_Edge& theEdge1, TopoDS_Edge& theEdge2);
59 void fillPoint(GEOMImpl_Fillet1dPoint*);
60 void fillDiff(GEOMImpl_Fillet1dPoint*, Standard_Real, Standard_Boolean);
61 void performNewton(GEOMImpl_Fillet1dPoint*, GEOMImpl_Fillet1dPoint*);
62 Standard_Boolean processPoint(GEOMImpl_Fillet1dPoint*, GEOMImpl_Fillet1dPoint*, Standard_Real);
66 TopoDS_Edge myEdge1, myEdge2;
67 Handle(Geom_Plane) myPlane;
68 Handle(Geom2d_Curve) myCurve1, myCurve2;
69 Standard_Real myStart1, myEnd1, myStart2, myEnd2, myRadius;
70 TColStd_ListOfReal myResultParams;
71 TColStd_SequenceOfInteger myResultOrientation;
72 Standard_Boolean myStartSide, myEdgesExchnged;
73 Standard_Integer myDegreeOfRecursion;
78 * GEOMImpl_Fillet1dPoint is an internal class for 1D fillet algorithm
79 * to store and compare computed solutions on edges
82 class GEOMImpl_Fillet1dPoint
88 Standard_EXPORT GEOMImpl_Fillet1dPoint(Standard_Real theParam)
91 //! Make copy of point
92 //!WARNING: Copies only field values: myParam, myV, myD, myValid
93 Standard_EXPORT GEOMImpl_Fillet1dPoint* Copy(); // warning: this is not the full copy!
96 Standard_EXPORT inline void SetParam(Standard_Real theParam)
98 Standard_EXPORT inline Standard_Real GetParam() const
100 Standard_EXPORT inline void SetParam2(const Standard_Real theParam2)
101 {myParam2 = theParam2;}
102 Standard_EXPORT inline Standard_Real GetParam2()
103 { return myParam2 ; }
106 Standard_EXPORT inline Standard_Boolean IsValid(int theIndex)
107 {return (Standard_Boolean)myValid.Value(theIndex);}
110 Standard_EXPORT inline Standard_Integer GetNBValues() {return myV.Length();}
111 Standard_EXPORT inline Standard_Real GetValue(Standard_Integer theIndex)
112 {return myV.Value(theIndex);}
113 Standard_EXPORT inline Standard_Real GetDiff(Standard_Integer theIndex)
114 {return myD.Value(theIndex);}
115 Standard_EXPORT inline Standard_Integer GetNear(Standard_Integer theIndex)
116 {return myNear.Value(theIndex);}
118 //! Set/Get center point
119 Standard_EXPORT inline void SetCenter(const gp_Pnt2d thePoint)
120 {myCenter = thePoint;}
121 Standard_EXPORT inline const gp_Pnt2d GetCenter()
124 Standard_EXPORT void AddValue(Standard_Real theValue, Standard_Boolean theIsValid);
126 //! compute difference between this and given point
127 Standard_EXPORT Standard_Boolean ComputeDifference(GEOMImpl_Fillet1dPoint*);
128 Standard_EXPORT void FilterPoints(GEOMImpl_Fillet1dPoint*);
130 //! Checks if point contains solution and returns the index of it if any
131 Standard_EXPORT Standard_Integer HasSolution(Standard_Real theRadius);
132 //! Remove solution by index
133 void RemoveSolution(Standard_Integer theIndex);
138 Standard_Real myParam, myParam2;
139 TColStd_SequenceOfReal myV, myD;
140 TColStd_SequenceOfInteger myValid, myNear;