0024002: Overall code and build procedure refactoring -- automatic
[occt.git] / src / BRepClass / BRepClass_FaceClassifier.cxx
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b311480e 1// Copyright (c) 1995-1999 Matra Datavision
973c2be1 2// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 3//
973c2be1 4// This file is part of Open CASCADE Technology software library.
b311480e 5//
d5f74e42 6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
b311480e 11//
973c2be1 12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
7fd59977 14
7fd59977 15
42cf5bc1 16#include <BRepAdaptor_HSurface.hxx>
7fd59977 17#include <BRepAdaptor_Surface.hxx>
42cf5bc1 18#include <BRepClass_FaceClassifier.hxx>
19#include <BRepClass_FaceExplorer.hxx>
7fd59977 20#include <BRepTools.hxx>
42cf5bc1 21#include <Extrema_ExtPS.hxx>
22#include <gp_Pnt.hxx>
23#include <gp_Pnt2d.hxx>
24#include <TopAbs_State.hxx>
25#include <TopoDS_Face.hxx>
7fd59977 26
27//=======================================================================
28//function : BRepClass_FaceClassifier
29//purpose :
30//=======================================================================
31BRepClass_FaceClassifier::BRepClass_FaceClassifier()
32{
33}
34
35//=======================================================================
36//function : BRepClass_FaceClassifier
37//purpose :
38//=======================================================================
39BRepClass_FaceClassifier::BRepClass_FaceClassifier(BRepClass_FaceExplorer& F,
40 const gp_Pnt2d& P,
41 const Standard_Real Tol)
42:
43 BRepClass_FClassifier(F,P,Tol)
44{
45}
46//=======================================================================
47//function : BRepClass_FaceClassifier
48//purpose :
49//=======================================================================
50BRepClass_FaceClassifier::BRepClass_FaceClassifier(const TopoDS_Face& F,
51 const gp_Pnt& P,
52 const Standard_Real Tol)
53{
54 Perform(F,P,Tol);
55}
56//=======================================================================
57//function : BRepClass_FaceClassifier
58//purpose :
59//=======================================================================
60BRepClass_FaceClassifier::BRepClass_FaceClassifier(const TopoDS_Face& F,
61 const gp_Pnt2d& P,
62 const Standard_Real Tol)
63{
64 Perform(F,P,Tol);
65}
66
67//=======================================================================
68//function : Perform
69//purpose :
70//=======================================================================
71void BRepClass_FaceClassifier::Perform(const TopoDS_Face& F,
72 const gp_Pnt2d& P,
73 const Standard_Real Tol)
74{
75 BRepClass_FaceExplorer Fex(F);
76 BRepClass_FClassifier::Perform(Fex,P,Tol);
77}
78
79
80
81
82
83
84//=======================================================================
85//function : Perform
86//purpose :
87//=======================================================================
88void BRepClass_FaceClassifier::Perform(const TopoDS_Face& aF,
89 const gp_Pnt& aP,
90 const Standard_Real aTol)
91{
92 Standard_Integer aNbExt, aIndice, i;
93 Standard_Real aU1, aU2, aV1, aV2, aMaxDist, aD;
94 gp_Pnt2d aPuv;
95 Extrema_ExtPS aExtrema;
96 //
97 aMaxDist=RealLast();
98 aIndice=0;
99 //
100 BRepAdaptor_Surface aSurf(aF);
101 BRepTools::UVBounds(aF, aU1, aU2, aV1, aV2);
102 aExtrema.Initialize(aSurf, aU1, aU2, aV1, aV2, aTol, aTol);
103 //
104 //modified by NIZNHY-PKV Wed Aug 13 11:28:47 2008f
105 rejected=Standard_True;
106 //modified by NIZNHY-PKV Wed Aug 13 11:28:49 2008t
107 aExtrema.Perform(aP);
108 if(!aExtrema.IsDone()) {
109 return;
110 }
111 //
112 aNbExt=aExtrema.NbExt();
113 if(!aNbExt) {
114 return;
115 }
116 //
117 for (i=1; i<=aNbExt; ++i) {
118 aD=aExtrema.SquareDistance(i);
119 if(aD < aMaxDist) {
120 aMaxDist=aD;
121 aIndice=i;
122 }
123 }
124 //
125 if(aIndice) {
126 aExtrema.Point(aIndice).Parameter(aU1, aU2);
127 aPuv.SetCoord(aU1, aU2);
128 Perform(aF, aPuv, aTol);
129 }
130}
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