src/FeaturesPlugin/FeaturesPlugin_Fillet.cpp

   1 // Copyright (C) 2017-2019  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_Fillet.h"
  21 #include "FeaturesPlugin_Tools.h"
  22
  23 #include <ModelAPI_Data.h>
  24 #include <ModelAPI_AttributeDouble.h>
  25 #include <ModelAPI_AttributeSelectionList.h>
  26 #include <ModelAPI_AttributeString.h>
  27 #include <ModelAPI_ResultBody.h>
  28 #include <ModelAPI_Session.h>
  29 #include <ModelAPI_Tools.h>
  30 #include <ModelAPI_Validator.h>
  31
  32 #include <GeomAlgoAPI_CompoundBuilder.h>
  33 #include <GeomAlgoAPI_Fillet.h>
  34 #include <GeomAlgoAPI_MakeShapeList.h>
  35 #include <GeomAlgoAPI_Tools.h>
  36
  37 #include <GeomAPI_DataMapOfShapeMapOfShapes.h>
  38 #include <GeomAPI_ShapeExplorer.h>
  39 #include <GeomAPI_ShapeIterator.h>
  40
  41
  42 // Obtain all sub-shapes from the shape and append them to the list
  43 static void collectSubs(const GeomShapePtr& theShape,
  44                               ListOfShape& theSubs,
  45                         const GeomAPI_Shape::ShapeType theShapeType)
  46 {
  47   GeomAPI_ShapeExplorer anExp(theShape, theShapeType);
  48   for (; anExp.more(); anExp.next()) {
  49     GeomShapePtr aShape = anExp.current();
  50     // Store all shapes with FORWARD orientation to avoid duplication of shared edges/vertices
  51     aShape->setOrientation(GeomAPI_Shape::FORWARD);
  52     theSubs.push_back(aShape);
  53   }
  54 }
  55
  56 // Extract edges from the list
  57 static ListOfShape selectEdges(const ListOfShape& theShapes)
  58 {
  59   ListOfShape anEdges;
  60   for (ListOfShape::const_iterator anIt = theShapes.begin(); anIt != theShapes.end(); ++anIt)
  61     if ((*anIt)->isEdge())
  62       anEdges.push_back(*anIt);
  63   return anEdges;
  64 }
  65
  66 // If theShape is a compound of a single sub-shape, return this sub-shape
  67 static GeomShapePtr unwrapCompound(const GeomShapePtr& theShape)
  68 {
  69   GeomShapePtr aShape = theShape;
  70   if(aShape->shapeType() == GeomAPI_Shape::COMPOUND) {
  71     int aSubResultsNb = 0;
  72     GeomAPI_ShapeIterator anIt(aShape);
  73     for(; anIt.more(); anIt.next())
  74       ++aSubResultsNb;
  75
  76     if(aSubResultsNb == 1) {
  77       anIt.init(aShape);
  78       aShape = anIt.current();
  79     }
  80   }
  81   return aShape;
  82 }
  83
  84
  85 FeaturesPlugin_Fillet::FeaturesPlugin_Fillet()
  86 {
  87 }
  88
  89 void FeaturesPlugin_Fillet::initAttributes()
  90 {
  91   data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
  92   data()->addAttribute(OBJECT_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  93   data()->addAttribute(START_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  94   data()->addAttribute(END_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  95
  96   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), END_RADIUS_ID());
  97 }
  98
  99
 100 void FeaturesPlugin_Fillet::execute()
 101 {
 102   AttributeStringPtr aCreationMethod = string(CREATION_METHOD());
 103   if (!aCreationMethod)
 104     return;
 105
 106   std::list<std::pair<GeomShapePtr, ListOfShape> > aSolidsAndSubs;
 107
 108   // getting objects and sort them according to parent solids
 109   AttributeSelectionListPtr anObjectsSelList = selectionList(OBJECT_LIST_ID());
 110   for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); ++anObjectsIndex) {
 111     AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
 112     GeomShapePtr anObject = anObjectAttr->value();
 113     if (!anObject)
 114       return;
 115
 116     ResultPtr aContext = anObjectAttr->context();
 117     GeomShapePtr aParent;
 118     if (aContext.get()) {
 119       ResultBodyPtr aCtxOwner = ModelAPI_Tools::bodyOwner(aContext);
 120       aParent = aCtxOwner ? aCtxOwner->shape() : aContext->shape();
 121     } else { // get it from a feature
 122       FeaturePtr aFeature = anObjectAttr->contextFeature();
 123       if (aFeature.get()) {
 124         aParent = aFeature->firstResult()->shape();
 125       }
 126     }
 127     if (!aParent)
 128       return;
 129
 130     // searching this parent is already in the list aSolidsAndSubs
 131     std::list<std::pair<GeomShapePtr, ListOfShape> >::iterator aSearch = aSolidsAndSubs.begin();
 132     ListOfShape* aFound;
 133     for(; aSearch != aSolidsAndSubs.end(); aSearch++) {
 134       if (aSearch->first->isSame(aParent)) {
 135         aFound = &(aSearch->second);
 136         break;
 137       }
 138     }
 139     if (aSearch == aSolidsAndSubs.end()) { // not found, so, add a new one
 140       aSolidsAndSubs.push_back(std::pair<GeomShapePtr, ListOfShape>(aParent, ListOfShape()));
 141       aFound = &(aSolidsAndSubs.back().second);
 142     }
 143
 144     ListOfShape anEdgesAndVertices;
 145     collectSubs(anObject, anEdgesAndVertices, GeomAPI_Shape::EDGE);
 146     collectSubs(anObject, anEdgesAndVertices, GeomAPI_Shape::VERTEX);
 147     for (ListOfShape::iterator aEIt = anEdgesAndVertices.begin();
 148          aEIt != anEdgesAndVertices.end(); ++aEIt)
 149       aFound->push_back(*aEIt);
 150   }
 151
 152   bool isFixedRadius = true;
 153   double aRadius1 = 0.0, aRadius2 = 0.0;
 154   if (aCreationMethod->value() == CREATION_METHOD_SINGLE_RADIUS())
 155     aRadius1 = real(RADIUS_ID())->value();
 156   else {
 157     aRadius1 = real(START_RADIUS_ID())->value();
 158     aRadius2 = real(END_RADIUS_ID())->value();
 159     isFixedRadius = false;
 160   }
 161
 162   // Perform fillet operation
 163   GeomAlgoAPI_MakeShapeList aMakeShapeList;
 164   std::shared_ptr<GeomAlgoAPI_Fillet> aFilletBuilder;
 165   int aResultIndex = 0;
 166   std::string anError;
 167
 168   std::vector<FeaturesPlugin_Tools::ResultBaseAlgo> aResultBaseAlgoList;
 169   ListOfShape anOriginalShapesList, aResultShapesList;
 170
 171   std::list<std::pair<GeomShapePtr, ListOfShape> >::iterator anIt = aSolidsAndSubs.begin();
 172   for (; anIt != aSolidsAndSubs.end(); ++anIt) {
 173     GeomShapePtr aSolid = anIt->first;
 174     ListOfShape aFilletEdgesAndVertices = anIt->second;
 175
 176     ListOfShape aFilletEdges = selectEdges(aFilletEdgesAndVertices);
 177     if (isFixedRadius)
 178       aFilletBuilder.reset(new GeomAlgoAPI_Fillet(aSolid, aFilletEdges, aRadius1));
 179     else
 180       aFilletBuilder.reset(new GeomAlgoAPI_Fillet(aSolid, aFilletEdges, aRadius1, aRadius2));
 181
 182     if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aFilletBuilder, getKind(), anError)) {
 183       setError(anError);
 184       return;
 185     }
 186
 187     GeomShapePtr aResult = unwrapCompound(aFilletBuilder->shape());
 188     std::shared_ptr<ModelAPI_ResultBody> aResultBody =
 189         document()->createBody(data(), aResultIndex);
 190
 191     ListOfShape aBaseShapes;
 192     aBaseShapes.push_back(aSolid);
 193     FeaturesPlugin_Tools::loadModifiedShapes(aResultBody, aBaseShapes, ListOfShape(),
 194                                              aFilletBuilder, aResult, "Fillet");
 195
 196     setResult(aResultBody, aResultIndex);
 197     aResultIndex++;
 198
 199     FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
 200     aRBA.resultBody = aResultBody;
 201     aRBA.baseShape = aSolid;
 202     aRBA.makeShape = aFilletBuilder;
 203     aResultBaseAlgoList.push_back(aRBA);
 204     aResultShapesList.push_back(aResult);
 205     anOriginalShapesList.push_back(aSolid);
 206
 207     const std::string aFilletFaceName = "Fillet";
 208     ListOfShape::iterator aSelectedBase = aFilletEdges.begin();
 209     for(; aSelectedBase != aFilletEdges.end(); aSelectedBase++) {
 210       GeomShapePtr aBase = *aSelectedBase;
 211       // Store new faces generated from edges and vertices
 212       aResultBody->loadGeneratedShapes(
 213         aFilletBuilder, aBase, GeomAPI_Shape::EDGE, aFilletFaceName, true);
 214     }
 215   }
 216
 217   // Store deleted shapes after all results has been proceeded. This is to avoid issue when in one
 218   // result shape has been deleted, but in another it was modified or stayed.
 219   GeomShapePtr aResultShapesCompound = GeomAlgoAPI_CompoundBuilder::compound(aResultShapesList);
 220   FeaturesPlugin_Tools::loadDeletedShapes(aResultBaseAlgoList,
 221       anOriginalShapesList, aResultShapesCompound);
 222
 223   removeResults(aResultIndex);
 224 }