1 // Created on: 2000-11-23
2 // Created by: Michael KLOKOV
3 // Copyright (c) 2000-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _IntTools_FaceFace_HeaderFile
17 #define _IntTools_FaceFace_HeaderFile
19 #include <Standard.hxx>
20 #include <Standard_DefineAlloc.hxx>
21 #include <Standard_Handle.hxx>
23 #include <Standard_Boolean.hxx>
24 #include <IntPatch_Intersection.hxx>
25 #include <GeomInt_LineConstructor.hxx>
26 #include <Standard_Integer.hxx>
27 #include <Standard_Real.hxx>
28 #include <IntTools_SequenceOfCurves.hxx>
29 #include <TopoDS_Face.hxx>
30 #include <IntTools_SequenceOfPntOn2Faces.hxx>
31 #include <IntSurf_ListOfPntOn2S.hxx>
32 class GeomAdaptor_HSurface;
33 class IntTools_Context;
34 class StdFail_NotDone;
36 class Adaptor3d_TopolTool;
39 //! This class provides the intersection of
40 //! face's underlying surfaces.
41 class IntTools_FaceFace
49 //! Empty constructor.
50 Standard_EXPORT IntTools_FaceFace();
54 Standard_EXPORT void SetParameters (const Standard_Boolean ApproxCurves, const Standard_Boolean ComputeCurveOnS1, const Standard_Boolean ComputeCurveOnS2, const Standard_Real ApproximationTolerance);
57 //! Intersects underliing surfaces of F1 and F2
58 //! Use sum of tolerance of F1 and F2 as intersection
60 Standard_EXPORT void Perform (const TopoDS_Face& F1, const TopoDS_Face& F2);
63 //! Returns True if the intersection was successful
64 Standard_EXPORT Standard_Boolean IsDone() const;
67 //! Returns sequence of 3d curves as result of intersection
68 Standard_EXPORT const IntTools_SequenceOfCurves& Lines() const;
71 //! Returns sequence of 3d curves as result of intersection
72 Standard_EXPORT const IntTools_SequenceOfPntOn2Faces& Points() const;
74 //! Returns first of processed faces
75 Standard_EXPORT const TopoDS_Face& Face1() const;
78 //! Returns second of processed faces
79 Standard_EXPORT const TopoDS_Face& Face2() const;
82 //! Returns True if faces are tangent
83 Standard_EXPORT Standard_Boolean TangentFaces() const;
86 //! Provides post-processing the result lines.
87 //! <bToSplit> - the flag.
88 //! In case of <bToSplit> is true the closed 3D-curves will be splitted
90 //! In case of <bToSplit> is false the closed 3D-curves remain untouched.
91 Standard_EXPORT void PrepareLines3D (const Standard_Boolean bToSplit = Standard_True);
93 Standard_EXPORT void SetList (IntSurf_ListOfPntOn2S& ListOfPnts);
96 //! Sets the intersecton context
97 Standard_EXPORT void SetContext (const Handle(IntTools_Context)& aContext);
99 //! Sets the Fuzzy value
100 Standard_EXPORT void SetFuzzyValue (const Standard_Real theFuzz);
103 //! Returns Fuzzy value
104 Standard_EXPORT Standard_Real FuzzyValue() const;
106 //! Gets the intersecton context
107 Standard_EXPORT const Handle(IntTools_Context)& Context() const;
111 //! Creates curves from the IntPatch_Line.
112 Standard_EXPORT void MakeCurve (const Standard_Integer Index,
113 const Handle(Adaptor3d_TopolTool)& D1,
114 const Handle(Adaptor3d_TopolTool)& D2,
115 const Standard_Real theToler);
117 //! Computes the valid tolerance for the intersection curves
118 //! as a maximal deviation between 3D curve and 2D curves on faces.<br>
119 //! If there are no 2D curves the maximal deviation between 3D curves
120 //! and surfaces is computed.
121 Standard_EXPORT void ComputeTolReached3d();
125 Standard_Boolean myIsDone;
126 IntPatch_Intersection myIntersector;
127 GeomInt_LineConstructor myLConstruct;
128 Handle(GeomAdaptor_HSurface) myHS1;
129 Handle(GeomAdaptor_HSurface) myHS2;
130 Standard_Integer myNbrestr;
131 Standard_Boolean myApprox;
132 Standard_Boolean myApprox1;
133 Standard_Boolean myApprox2;
134 Standard_Real myTolApprox;
135 Standard_Real myTolF1;
136 Standard_Real myTolF2;
138 Standard_Real myFuzzyValue;
139 IntTools_SequenceOfCurves mySeqOfCurve;
140 Standard_Boolean myTangentFaces;
143 IntTools_SequenceOfPntOn2Faces myPnts;
144 IntSurf_ListOfPntOn2S myListOfPnts;
145 Handle(IntTools_Context) myContext;
149 #endif // _IntTools_FaceFace_HeaderFile