1 // Copyright (C) 2014-2019 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_CompoundBuilder.h>
21 #include <BRep_Builder.hxx>
22 #include <TopoDS_Compound.hxx>
23 #include <TopTools_IndexedMapOfShape.hxx>
25 #include <TopExp_Explorer.hxx>
27 std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_CompoundBuilder::compound(
28 std::list<std::shared_ptr<GeomAPI_Shape> > theShapes)
30 BRep_Builder aBuilder;
31 TopoDS_Compound aComp;
32 aBuilder.MakeCompound(aComp);
34 std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = theShapes.begin(), aLast =
36 for (; anIt != aLast; anIt++) {
37 aBuilder.Add(aComp, (*anIt)->impl<TopoDS_Shape>());
40 std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
41 aRes->setImpl(new TopoDS_Shape(aComp));
45 // Returns true if transformations are equal with the given precision
46 static bool isEqual(const gp_Trsf& theT1, const gp_Trsf& theT2, const double thePrecision)
48 for(int aRow = 1; aRow < 4; aRow++) {
49 for(int aCol = 1; aCol < 5; aCol++) {
50 double aDiff = theT1.Value(aRow, aCol) - theT2.Value(aRow, aCol);
51 if (aDiff < 0) aDiff = -aDiff;
52 if (aDiff > thePrecision)
59 int GeomAlgoAPI_CompoundBuilder::id(
60 std::shared_ptr<GeomAPI_Shape> theContext, std::shared_ptr<GeomAPI_Shape> theSub)
63 TopoDS_Shape aMainShape = theContext->impl<TopoDS_Shape>();
64 const TopoDS_Shape& aSubShape = theSub->impl<TopoDS_Shape>();
65 if (!aMainShape.IsNull() && !aSubShape.IsNull()) {
66 TopTools_IndexedMapOfShape aSubShapesMap;
67 TopExp::MapShapes(aMainShape, aSubShapesMap);
68 anID = aSubShapesMap.FindIndex(aSubShape);
69 if (anID == 0) { // try to search shape with the same location if TopLoc_Location is different
70 TopExp_Explorer anExp(aMainShape, aSubShape.ShapeType());
71 for(; anExp.More(); anExp.Next()) {
72 if (anExp.Current().TShape() == aSubShape.TShape()) {
73 const TopLoc_Location aLoc1 = anExp.Current().Location();
74 if (isEqual(aLoc1.Transformation(), aSubShape.Location().Transformation(), 1.e-7)) {
75 anID = aSubShapesMap.FindIndex(anExp.Current());