src/FeaturesPlugin/FeaturesPlugin_Defeaturing.cpp

   1 // Copyright (C) 2020  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 #include <FeaturesPlugin_Tools.h>
  22
  23 #include <ModelAPI_AttributeSelectionList.h>
  24 #include <ModelAPI_Tools.h>
  25
  26 #include <GeomAPI_ShapeExplorer.h>
  27
  28 #include <GeomAlgoAPI_CompoundBuilder.h>
  29 #include <GeomAlgoAPI_Defeaturing.h>
  30 #include <GeomAlgoAPI_MakeShapeList.h>
  31 #include <GeomAlgoAPI_Tools.h>
  32
  33 #include <unordered_map>
  34
  35
  36 FeaturesPlugin_Defeaturing::FeaturesPlugin_Defeaturing()
  37 {
  38 }
  39
  40 void FeaturesPlugin_Defeaturing::initAttributes()
  41 {
  42   data()->addAttribute(OBJECT_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  43 }
  44
  45
  46 void FeaturesPlugin_Defeaturing::execute()
  47 {
  48   typedef std::unordered_map<GeomShapePtr, ListOfShape,
  49                              GeomAPI_Shape::Hash, GeomAPI_Shape::Equal> SolidFaces;
  50   SolidFaces aBodiesAndFacesToRemove;
  51
  52   // getting objects and sort them according to parent solids
  53   AttributeSelectionListPtr anObjectsSelList = selectionList(OBJECT_LIST_ID());
  54   for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); ++anObjectsIndex) {
  55     AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
  56     GeomShapePtr anObject = anObjectAttr->value();
  57     if (!anObject)
  58       return;
  59
  60     ResultPtr aContext = anObjectAttr->context();
  61     if (!aContext.get())
  62       return;
  63
  64     ResultBodyPtr aCtxOwner = ModelAPI_Tools::bodyOwner(aContext, true);
  65     GeomShapePtr aParent = aCtxOwner ? aCtxOwner->shape() : aContext->shape();
  66     aBodiesAndFacesToRemove[aParent].push_back(anObject);
  67   }
  68
  69   // Perform Defeaturing algorithm
  70   GeomAlgoAPI_MakeShapeList aMakeShapeList;
  71   std::shared_ptr<GeomAlgoAPI_Defeaturing> anAlgo;
  72   int aResultIndex = 0;
  73   std::string anError;
  74
  75   std::vector<FeaturesPlugin_Tools::ResultBaseAlgo> aResultBaseAlgoList;
  76   ListOfShape anOriginalShapesList, aResultShapesList;
  77
  78   for (SolidFaces::iterator anIt = aBodiesAndFacesToRemove.begin();
  79        anIt != aBodiesAndFacesToRemove.end(); ++anIt) {
  80     GeomShapePtr aParent = anIt->first;
  81     anAlgo.reset(new GeomAlgoAPI_Defeaturing(aParent, anIt->second));
  82     if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(anAlgo, getKind(), anError)) {
  83       setError(anError);
  84       return;
  85     }
  86
  87     GeomShapePtr aResult = anAlgo->shape();
  88     ListOfShape aBaseShapes;
  89     for (GeomAPI_ShapeExplorer anExp(aParent, GeomAPI_Shape::SOLID); anExp.more(); anExp.next())
  90       aBaseShapes.push_back(anExp.current());
  91
  92     std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data(), aResultIndex);
  93     FeaturesPlugin_Tools::loadModifiedShapes(aResultBody, aBaseShapes, ListOfShape(),
  94                                              anAlgo, aResult, "Defeaturing");
  95
  96     setResult(aResultBody, aResultIndex);
  97     aResultIndex++;
  98
  99     FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
 100     aRBA.resultBody = aResultBody;
 101     aRBA.baseShape = aParent;
 102     aRBA.makeShape = anAlgo;
 103     aResultBaseAlgoList.push_back(aRBA);
 104     aResultShapesList.push_back(aResult);
 105     anOriginalShapesList.insert(anOriginalShapesList.end(), aBaseShapes.begin(), aBaseShapes.end());
 106   }
 107
 108   // Store deleted shapes after all results has been proceeded. This is to avoid issue when in one
 109   // result shape has been deleted, but in another it was modified or stayed.
 110   GeomShapePtr aResultShapesCompound = GeomAlgoAPI_CompoundBuilder::compound(aResultShapesList);
 111   FeaturesPlugin_Tools::loadDeletedShapes(aResultBaseAlgoList,
 112       anOriginalShapesList, aResultShapesCompound);
 113
 114   removeResults(aResultIndex);
 115 }