src/FeaturesPlugin/FeaturesPlugin_Defeaturing.cpp

   1 // Copyright (C) 2020-2022  CEA/DEN, EDF R&D
   2 //
   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.
   7 //
   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.
  12 //
  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
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <FeaturesPlugin_Defeaturing.h>
  21
  22 #include <ModelAPI_AttributeSelectionList.h>
  23 #include <ModelAPI_Tools.h>
  24
  25 #include <GeomAPI_ShapeExplorer.h>
  26
  27 #include <GeomAlgoAPI_CompoundBuilder.h>
  28 #include <GeomAlgoAPI_Defeaturing.h>
  29 #include <GeomAlgoAPI_MakeShapeList.h>
  30 #include <GeomAlgoAPI_Tools.h>
  31
  32 #include <unordered_map>
  33
  34
  35 FeaturesPlugin_Defeaturing::FeaturesPlugin_Defeaturing()
  36 {
  37 }
  38
  39 void FeaturesPlugin_Defeaturing::initAttributes()
  40 {
  41   data()->addAttribute(OBJECT_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  42 }
  43
  44
  45 void FeaturesPlugin_Defeaturing::execute()
  46 {
  47   typedef std::unordered_map<GeomShapePtr, ListOfShape,
  48                              GeomAPI_Shape::Hash, GeomAPI_Shape::Equal> SolidFaces;
  49   SolidFaces aBodiesAndFacesToRemove;
  50
  51   // getting objects and sort them according to parent solids
  52   AttributeSelectionListPtr anObjectsSelList = selectionList(OBJECT_LIST_ID());
  53   for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); ++anObjectsIndex) {
  54     AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
  55     GeomShapePtr anObject = anObjectAttr->value();
  56     if (!anObject)
  57       return;
  58
  59     ResultPtr aContext = anObjectAttr->context();
  60     if (!aContext.get())
  61       return;
  62
  63     ResultBodyPtr aCtxOwner = ModelAPI_Tools::bodyOwner(aContext, true);
  64     GeomShapePtr aParent = aCtxOwner ? aCtxOwner->shape() : aContext->shape();
  65     aBodiesAndFacesToRemove[aParent].push_back(anObject);
  66   }
  67
  68   // Perform Defeaturing algorithm
  69   GeomAlgoAPI_MakeShapeList aMakeShapeList;
  70   std::shared_ptr<GeomAlgoAPI_Defeaturing> anAlgo;
  71   int aResultIndex = 0;
  72   std::string anError;
  73
  74   std::vector<ModelAPI_Tools::ResultBaseAlgo> aResultBaseAlgoList;
  75   ListOfShape anOriginalShapesList, aResultShapesList;
  76
  77   for (SolidFaces::iterator anIt = aBodiesAndFacesToRemove.begin();
  78        anIt != aBodiesAndFacesToRemove.end(); ++anIt) {
  79     GeomShapePtr aParent = anIt->first;
  80     anAlgo.reset(new GeomAlgoAPI_Defeaturing(aParent, anIt->second));
  81     if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(anAlgo, getKind(), anError)) {
  82       setError(anError);
  83       return;
  84     }
  85
  86     GeomShapePtr aResult = anAlgo->shape();
  87     ListOfShape aBaseShapes;
  88     for (GeomAPI_ShapeExplorer anExp(aParent, GeomAPI_Shape::SOLID); anExp.more(); anExp.next())
  89       aBaseShapes.push_back(anExp.current());
  90
  91     std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data(), aResultIndex);
  92     ModelAPI_Tools::loadModifiedShapes(aResultBody, aBaseShapes, ListOfShape(),
  93                                        anAlgo, aResult, "Defeaturing");
  94
  95     setResult(aResultBody, aResultIndex);
  96     aResultIndex++;
  97
  98     ModelAPI_Tools::ResultBaseAlgo aRBA;
  99     aRBA.resultBody = aResultBody;
 100     aRBA.baseShape = aParent;
 101     aRBA.makeShape = anAlgo;
 102     aResultBaseAlgoList.push_back(aRBA);
 103     aResultShapesList.push_back(aResult);
 104     anOriginalShapesList.insert(anOriginalShapesList.end(), aBaseShapes.begin(), aBaseShapes.end());
 105   }
 106
 107   // Store deleted shapes after all results has been proceeded. This is to avoid issue when in one
 108   // result shape has been deleted, but in another it was modified or stayed.
 109   GeomShapePtr aResultShapesCompound = GeomAlgoAPI_CompoundBuilder::compound(aResultShapesList);
 110   ModelAPI_Tools::loadDeletedShapes(aResultBaseAlgoList,
 111       anOriginalShapesList, aResultShapesCompound);
 112
 113   removeResults(aResultIndex);
 114 }