1 // Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File: BlockFix_BlockFixAPI.cxx
24 // Created: Tue Dec 7 11:59:05 2004
25 // Author: Pavel DURANDIN
27 #include <BlockFix_BlockFixAPI.hxx>
29 #include <BlockFix.hxx>
30 #include <BlockFix_UnionFaces.hxx>
31 #include <BlockFix_UnionEdges.hxx>
33 #include <ShapeUpgrade_RemoveLocations.hxx>
34 #include <TopoDS_Edge.hxx>
35 #include <ShapeUpgrade_UnifySameDomain.hxx>
37 #include <Precision.hxx>
39 #include <BRepTools.hxx>
40 #include <BRepBuilderAPI_Copy.hxx>
41 #include <BRepCheck_Analyzer.hxx>
43 #include <Basics_OCCTVersion.hxx>
45 IMPLEMENT_STANDARD_RTTIEXT(BlockFix_BlockFixAPI, Standard_Transient)
47 //=======================================================================
48 //function : BlockFix_BlockFixAPI
50 //=======================================================================
51 BlockFix_BlockFixAPI::BlockFix_BlockFixAPI()
53 myTolerance = Precision::Confusion();
57 //=======================================================================
58 //function : ~BlockFix_BlockFixAPI
60 //=======================================================================
61 BlockFix_BlockFixAPI::~BlockFix_BlockFixAPI() {}
63 //=======================================================================
66 //=======================================================================
67 void BlockFix_BlockFixAPI::Perform()
69 // processing spheres with degenerativities
70 TopoDS_Shape aShape = Shape();
71 // Copy the shape to avoid modification of initial shape
72 // while trying the approach with small rotation
73 BRepBuilderAPI_Copy aMC (aShape);
74 if (!aMC.IsDone()) return;
75 TopoDS_Shape aSCopy = aMC.Shape();
76 TopoDS_Shape aNewShape = BlockFix::RotateSphereSpace(aSCopy, myTolerance, Standard_True);
77 BRepCheck_Analyzer ana (aNewShape, false);
79 if (aNewShape == aSCopy)
85 myShape = BlockFix::RotateSphereSpace(aShape, myTolerance, Standard_False);
88 // try to approximate non-canonic surfaces
89 // with singularities on boundaries by filling
90 myShape = BlockFix::RefillProblemFaces(myShape);
93 TopoDS_Shape aResult = myShape;
94 #if OCC_VERSION_LARGE < 0x07050301
95 BlockFix_UnionFaces aFaceUnifier;
96 aFaceUnifier.GetTolerance() = myTolerance;
97 aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
98 aResult = aFaceUnifier.Perform(aResult);
100 if (myOptimumNbFaces > 1) {
101 // use old algo BlockFix_UnionFaces for exactly given resulting number of faces
102 BlockFix_UnionFaces aFaceUnifier;
103 aFaceUnifier.GetTolerance() = myTolerance;
104 aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
105 aResult = aFaceUnifier.Perform(aResult);
107 else if (myOptimumNbFaces != -1) {
108 // use OCCT algo ShapeUpgrade_UnifySameDomain
109 ShapeUpgrade_UnifySameDomain Unifier;
111 Standard_Boolean isUnifyEdges = Standard_False;
112 Standard_Boolean isUnifyFaces = Standard_True;
113 Standard_Boolean isConcatBSplines = Standard_True;
114 Unifier.Initialize(myShape, isUnifyEdges, isUnifyFaces, isConcatBSplines);
115 //Unifier.SetLinearTolerance(myTolerance);
116 Unifier.SetLinearTolerance(Precision::Confusion());
117 Unifier.SetAngularTolerance(Precision::Confusion());
118 //Unifier.SetAngularTolerance(1e-5);
119 //Unifier.SetAngularTolerance(0.1);
121 aResult = Unifier.Shape();
124 // myOptimumNbFaces == -1 means do not union faces
128 // avoid problem with degenerated edges appearance
129 // due to shape quality regress
130 ShapeUpgrade_RemoveLocations RemLoc;
131 RemLoc.Remove(aResult);
132 aResult = RemLoc.GetResult();
135 #if OCC_VERSION_LARGE < 0x07050301
136 BlockFix_UnionEdges anEdgeUnifier;
137 myShape = anEdgeUnifier.Perform(aResult,myTolerance);
139 ShapeUpgrade_UnifySameDomain Unifier;
140 Standard_Boolean isUnifyEdges = Standard_True;
141 Standard_Boolean isUnifyFaces = Standard_False; //only edges
142 Standard_Boolean isConcatBSplines = Standard_True;
143 Unifier.Initialize(aResult, isUnifyEdges, isUnifyFaces, isConcatBSplines);
144 Unifier.SetLinearTolerance(myTolerance);
145 Unifier.SetAngularTolerance(1e-5);
147 myShape = Unifier.Shape();
150 TopoDS_Shape aRes = BlockFix::FixRanges(myShape,myTolerance);