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;
75 //! Returns tolerance reached during approximation,
76 //! and possibly increased to cover more area due to a small angle between surfaces.
77 //! If approximation was not done, returns zero.
78 Standard_EXPORT Standard_Real TolReached3d() const;
80 //! Returns tolerance reached during approximation, without any increase.
81 //! If approximation was not done, returns zero.
82 Standard_EXPORT Standard_Real TolReal() const;
84 //! Returns tolerance reached during approximation.
85 //! If approximation was not done, returns zero.
86 Standard_EXPORT Standard_Real TolReached2d() const;
89 //! Returns first of processed faces
90 Standard_EXPORT const TopoDS_Face& Face1() const;
93 //! Returns second of processed faces
94 Standard_EXPORT const TopoDS_Face& Face2() const;
97 //! Returns True if faces are tangent
98 Standard_EXPORT Standard_Boolean TangentFaces() const;
101 //! Provides post-processing the result lines.
102 //! <bToSplit> - the flag.
103 //! In case of <bToSplit> is true the closed 3D-curves will be splitted
105 //! In case of <bToSplit> is false the closed 3D-curves remain untouched.
106 Standard_EXPORT void PrepareLines3D (const Standard_Boolean bToSplit = Standard_True);
108 Standard_EXPORT void SetList (IntSurf_ListOfPntOn2S& ListOfPnts);
111 //! Sets the intersecton context
112 Standard_EXPORT void SetContext (const Handle(IntTools_Context)& aContext);
115 //! Gets the intersecton context
116 Standard_EXPORT const Handle(IntTools_Context)& Context() const;
124 Standard_EXPORT void MakeCurve (const Standard_Integer Index,
125 const Handle(Adaptor3d_TopolTool)& D1,
126 const Handle(Adaptor3d_TopolTool)& D2,
127 const Standard_Real theToler);
129 Standard_EXPORT void ComputeTolReached3d();
131 Standard_EXPORT Standard_Real ComputeTolerance();
140 Standard_Boolean myIsDone;
141 IntPatch_Intersection myIntersector;
142 GeomInt_LineConstructor myLConstruct;
143 Handle(GeomAdaptor_HSurface) myHS1;
144 Handle(GeomAdaptor_HSurface) myHS2;
145 Standard_Integer myNbrestr;
146 Standard_Real myTolReached2d;
147 Standard_Real myTolReached3d;
148 Standard_Real myTolReal;
149 Standard_Boolean myApprox;
150 Standard_Boolean myApprox1;
151 Standard_Boolean myApprox2;
152 Standard_Real myTolApprox;
153 IntTools_SequenceOfCurves mySeqOfCurve;
154 Standard_Boolean myTangentFaces;
157 IntTools_SequenceOfPntOn2Faces myPnts;
158 IntSurf_ListOfPntOn2S myListOfPnts;
159 Handle(IntTools_Context) myContext;
170 #endif // _IntTools_FaceFace_HeaderFile