1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D, 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 <Basics_OCCTVersion.hxx>
41 IMPLEMENT_STANDARD_RTTIEXT(BlockFix_BlockFixAPI, Standard_Transient)
43 //=======================================================================
44 //function : BlockFix_BlockFixAPI
46 //=======================================================================
47 BlockFix_BlockFixAPI::BlockFix_BlockFixAPI()
49 myTolerance = Precision::Confusion();
53 //=======================================================================
54 //function : ~BlockFix_BlockFixAPI
56 //=======================================================================
57 BlockFix_BlockFixAPI::~BlockFix_BlockFixAPI() {}
59 //=======================================================================
62 //=======================================================================
63 void BlockFix_BlockFixAPI::Perform()
65 // processing spheres with degenerativities
66 TopoDS_Shape aShape = Shape();
67 myShape = BlockFix::RotateSphereSpace(aShape,myTolerance);
69 // try to approximate non-canonic surfaces
70 // with singularities on boundaries by filling
71 myShape = BlockFix::RefillProblemFaces(myShape);
74 TopoDS_Shape aResult = myShape;
75 #if OCC_VERSION_LARGE < 0x07050301
76 BlockFix_UnionFaces aFaceUnifier;
77 aFaceUnifier.GetTolerance() = myTolerance;
78 aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
79 aResult = aFaceUnifier.Perform(aResult);
81 if (myOptimumNbFaces > 1) {
82 // use old algo BlockFix_UnionFaces for exactly given resulting number of faces
83 BlockFix_UnionFaces aFaceUnifier;
84 aFaceUnifier.GetTolerance() = myTolerance;
85 aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
86 aResult = aFaceUnifier.Perform(aResult);
88 else if (myOptimumNbFaces != -1) {
89 // use OCCT algo ShapeUpgrade_UnifySameDomain
90 ShapeUpgrade_UnifySameDomain Unifier;
92 Standard_Boolean isUnifyEdges = Standard_False;
93 Standard_Boolean isUnifyFaces = Standard_True;
94 Standard_Boolean isConcatBSplines = Standard_True;
95 Unifier.Initialize(myShape, isUnifyEdges, isUnifyFaces, isConcatBSplines);
96 //Unifier.SetLinearTolerance(myTolerance);
97 Unifier.SetLinearTolerance(Precision::Confusion());
98 Unifier.SetAngularTolerance(Precision::Confusion());
99 //Unifier.SetAngularTolerance(1e-5);
100 //Unifier.SetAngularTolerance(0.1);
102 aResult = Unifier.Shape();
105 // myOptimumNbFaces == -1 means do not union faces
109 // avoid problem with degenerated edges appearance
110 // due to shape quality regress
111 ShapeUpgrade_RemoveLocations RemLoc;
112 RemLoc.Remove(aResult);
113 aResult = RemLoc.GetResult();
116 #if OCC_VERSION_LARGE < 0x07050301
117 BlockFix_UnionEdges anEdgeUnifier;
118 myShape = anEdgeUnifier.Perform(aResult,myTolerance);
120 ShapeUpgrade_UnifySameDomain Unifier;
121 Standard_Boolean isUnifyEdges = Standard_True;
122 Standard_Boolean isUnifyFaces = Standard_False; //only edges
123 Standard_Boolean isConcatBSplines = Standard_True;
124 Unifier.Initialize(aResult, isUnifyEdges, isUnifyFaces, isConcatBSplines);
125 Unifier.SetLinearTolerance(myTolerance);
126 Unifier.SetAngularTolerance(1e-5);
128 myShape = Unifier.Shape();
131 TopoDS_Shape aRes = BlockFix::FixRanges(myShape,myTolerance);