1 // Copyright (C) 2014-2022 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "GeomAlgoAPI_Sewing.h"
22 #include <BRep_Builder.hxx>
23 #include <BRepBuilderAPI_MakeShell.hxx>
24 #include <BRepBuilderAPI_Sewing.hxx>
25 #include <TopExp_Explorer.hxx>
26 #include <TopoDS_Iterator.hxx>
27 #include <TopoDS_Shape.hxx>
29 //==================================================================================================
30 GeomAlgoAPI_Sewing::GeomAlgoAPI_Sewing(const ListOfShape& theShapes)
36 GeomAlgoAPI_Sewing::GeomAlgoAPI_Sewing(const ListOfShape& theShapes, const bool theAllowNonManifold, const double theTolerance)
39 build(theShapes, theAllowNonManifold, theTolerance);
42 void GeomAlgoAPI_Sewing::build(const ListOfShape& theShapes, const bool theAllowNonManifold, const double theTolerance)
44 if(theShapes.empty()) {
48 BRepBuilderAPI_Sewing* aSewingBuilder = new BRepBuilderAPI_Sewing();
49 this->setImpl(aSewingBuilder);
53 aSewingBuilder->SetTolerance(theTolerance);
54 aSewingBuilder->SetFaceMode(Standard_True);
55 aSewingBuilder->SetFloatingEdgesMode(Standard_False);
56 aSewingBuilder->SetNonManifoldMode(theAllowNonManifold);
59 for(ListOfShape::const_iterator anIt = theShapes.cbegin(); anIt != theShapes.cend(); ++anIt) {
60 const TopoDS_Shape& aShape = (*anIt)->impl<TopoDS_Shape>();
61 aSewingBuilder->Add(aShape);
64 aSewingBuilder->Perform();
66 TopoDS_Shape aResult = aSewingBuilder->SewedShape();
69 BRep_Builder aBuilder;
70 if(aResult.ShapeType() == TopAbs_COMPOUND) {
71 TopoDS_Compound aResultCompound;
72 aBuilder.MakeCompound(aResultCompound);
73 for(TopoDS_Iterator anIt(aResult); anIt.More(); anIt.Next()) {
74 const TopoDS_Shape aSubShape = anIt.Value();
75 if(aSubShape.ShapeType() == TopAbs_SHELL) {
76 aBuilder.Add(aResultCompound, aSubShape);
77 } else if (aSubShape.ShapeType() == TopAbs_FACE) {
79 aBuilder.MakeShell(aShell);
80 aBuilder.Add(aShell, aSubShape);
81 aBuilder.Add(aResultCompound, aShell);
84 aResult = aResultCompound;
85 } else if(aResult.ShapeType() == TopAbs_FACE) {
87 aBuilder.MakeShell(aShell);
88 aBuilder.Add(aShell, aResult);
93 std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
94 aShape->setImpl(new TopoDS_Shape(aResult));
95 this->setShape(aShape);
99 //==================================================================================================
100 #include <GeomAPI_ShapeIterator.h>
102 void GeomAlgoAPI_Sewing::modified(const std::shared_ptr<GeomAPI_Shape> theShape,
103 ListOfShape& theHistory)
105 if(!theShape.get()) {
109 const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
110 const BRepBuilderAPI_Sewing& aSewingBuilder = this->impl<BRepBuilderAPI_Sewing>();
112 TopoDS_Shape aModifiedShape = aSewingBuilder.Modified(aShape);
113 if(aModifiedShape.IsEqual(aShape)) {
114 aModifiedShape = aSewingBuilder.ModifiedSubShape(aShape);
117 for(TopExp_Explorer anExp(aModifiedShape, aShape.ShapeType()); anExp.More(); anExp.Next()) {
118 GeomShapePtr aGeomShape(new GeomAPI_Shape());
119 aGeomShape->setImpl(new TopoDS_Shape(anExp.Current()));
120 theHistory.push_back(aGeomShape);
123 if (theShape->shapeType() < GeomAPI_Shape::FACE) {
124 ListOfShape aNewShapes;
125 // collect faces and parent shapes, if it is not done yet
126 if (!isNewShapesCollected(theShape, GeomAPI_Shape::FACE))
127 collectNewShapes(theShape, GeomAPI_Shape::FACE);
129 for (GeomAPI_ShapeIterator anIt(shape()); anIt.more(); anIt.next()) {
130 GeomShapePtr anOldShapesCompound =
131 oldShapesForNew(theShape, anIt.current(), GeomAPI_Shape::FACE);
132 if (!anOldShapesCompound->isNull())
133 aNewShapes.push_back(anIt.current());
136 if (!aNewShapes.empty())
137 theHistory = aNewShapes;