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 IMPLEMENT_STANDARD_RTTIEXT(BlockFix_BlockFixAPI, Standard_Transient)
41 //=======================================================================
42 //function : BlockFix_BlockFixAPI
44 //=======================================================================
45 BlockFix_BlockFixAPI::BlockFix_BlockFixAPI()
47 myTolerance = Precision::Confusion();
51 //=======================================================================
52 //function : ~BlockFix_BlockFixAPI
54 //=======================================================================
55 BlockFix_BlockFixAPI::~BlockFix_BlockFixAPI() {}
57 //=======================================================================
60 //=======================================================================
61 void BlockFix_BlockFixAPI::Perform()
63 // processing spheres with degenerativities
64 TopoDS_Shape aShape = Shape();
65 myShape = BlockFix::RotateSphereSpace(aShape,myTolerance);
67 // try to approximate non-canonic surfaces
68 // with singularities on boundaries by filling
69 myShape = BlockFix::RefillProblemFaces(myShape);
72 TopoDS_Shape aResult = myShape;
73 if (myOptimumNbFaces > 1) {
74 // use old algo BlockFix_UnionFaces for exactly given resulting number of faces
75 BlockFix_UnionFaces aFaceUnifier;
76 aFaceUnifier.GetTolerance() = myTolerance;
77 aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
78 aResult = aFaceUnifier.Perform(aResult);
80 else if (myOptimumNbFaces != -1) {
81 // use OCCT algo ShapeUpgrade_UnifySameDomain
82 ShapeUpgrade_UnifySameDomain Unifier;
84 Standard_Boolean isUnifyEdges = Standard_False;
85 Standard_Boolean isUnifyFaces = Standard_True;
86 Standard_Boolean isConcatBSplines = Standard_True;
87 Unifier.Initialize(myShape, isUnifyEdges, isUnifyFaces, isConcatBSplines);
88 //Unifier.SetLinearTolerance(myTolerance);
89 Unifier.SetLinearTolerance(Precision::Confusion());
90 Unifier.SetAngularTolerance(Precision::Confusion());
92 aResult = Unifier.Shape();
95 // myOptimumNbFaces == -1 means do not union faces
98 // avoid problem with degenerated edges appearance
99 // due to shape quality regress
100 ShapeUpgrade_RemoveLocations RemLoc;
101 RemLoc.Remove(aResult);
102 aResult = RemLoc.GetResult();
105 //BlockFix_UnionEdges anEdgeUnifier;
106 //myShape = anEdgeUnifier.Perform(aResult,myTolerance);
107 ShapeUpgrade_UnifySameDomain Unifier;
108 Standard_Boolean isUnifyEdges = Standard_True;
109 Standard_Boolean isUnifyFaces = Standard_False; //only edges
110 Standard_Boolean isConcatBSplines = Standard_True;
111 Unifier.Initialize(aResult, isUnifyEdges, isUnifyFaces, isConcatBSplines);
112 Unifier.SetLinearTolerance(myTolerance);
114 myShape = Unifier.Shape();
116 TopoDS_Shape aRes = BlockFix::FixRanges(myShape,myTolerance);