src/FeaturesPlugin/FeaturesPlugin_Fillet.cpp

   1 // Copyright (C) 2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "FeaturesPlugin_Fillet.h"
  22 #include "FeaturesPlugin_Tools.h"
  23
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_AttributeDouble.h>
  26 #include <ModelAPI_AttributeSelectionList.h>
  27 #include <ModelAPI_AttributeString.h>
  28 #include <ModelAPI_ResultBody.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_Tools.h>
  31 #include <ModelAPI_Validator.h>
  32
  33 #include <GeomAlgoAPI_CompoundBuilder.h>
  34 #include <GeomAlgoAPI_Fillet.h>
  35 #include <GeomAlgoAPI_MakeShapeList.h>
  36 #include <GeomAlgoAPI_Tools.h>
  37
  38 #include <GeomAPI_DataMapOfShapeMapOfShapes.h>
  39 #include <GeomAPI_ShapeExplorer.h>
  40 #include <GeomAPI_ShapeIterator.h>
  41
  42
  43 // Obtain all sub-shapes from the shape and append them to the list
  44 static void collectSubs(const GeomShapePtr& theShape,
  45                               ListOfShape& theSubs,
  46                         const GeomAPI_Shape::ShapeType theShapeType)
  47 {
  48   GeomAPI_ShapeExplorer anExp(theShape, theShapeType);
  49   for (; anExp.more(); anExp.next()) {
  50     GeomShapePtr aShape = anExp.current();
  51     // Store all shapes with FORWARD orientation to avoid duplication of shared edges/vertices
  52     aShape->setOrientation(GeomAPI_Shape::FORWARD);
  53     theSubs.push_back(aShape);
  54   }
  55 }
  56
  57 // Extract edges from the list
  58 static ListOfShape selectEdges(const ListOfShape& theShapes)
  59 {
  60   ListOfShape anEdges;
  61   for (ListOfShape::const_iterator anIt = theShapes.begin(); anIt != theShapes.end(); ++anIt)
  62     if ((*anIt)->isEdge())
  63       anEdges.push_back(*anIt);
  64   return anEdges;
  65 }
  66
  67 // If theShape is a compound of a single sub-shape, return this sub-shape
  68 static GeomShapePtr unwrapCompound(const GeomShapePtr& theShape)
  69 {
  70   GeomShapePtr aShape = theShape;
  71   if(aShape->shapeType() == GeomAPI_Shape::COMPOUND) {
  72     int aSubResultsNb = 0;
  73     GeomAPI_ShapeIterator anIt(aShape);
  74     for(; anIt.more(); anIt.next())
  75       ++aSubResultsNb;
  76
  77     if(aSubResultsNb == 1) {
  78       anIt.init(aShape);
  79       aShape = anIt.current();
  80     }
  81   }
  82   return aShape;
  83 }
  84
  85
  86 FeaturesPlugin_Fillet::FeaturesPlugin_Fillet()
  87 {
  88 }
  89
  90 void FeaturesPlugin_Fillet::initAttributes()
  91 {
  92   data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
  93   data()->addAttribute(OBJECT_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  94   data()->addAttribute(START_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  95   data()->addAttribute(END_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  96
  97   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), END_RADIUS_ID());
  98 }
  99
 100
 101 void FeaturesPlugin_Fillet::execute()
 102 {
 103   AttributeStringPtr aCreationMethod = string(CREATION_METHOD());
 104   if (!aCreationMethod)
 105     return;
 106
 107   std::list<std::pair<GeomShapePtr, ListOfShape> > aSolidsAndSubs;
 108
 109   // getting objects and sort them according to parent solids
 110   AttributeSelectionListPtr anObjectsSelList = selectionList(OBJECT_LIST_ID());
 111   for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); ++anObjectsIndex) {
 112     AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
 113     GeomShapePtr anObject = anObjectAttr->value();
 114     if (!anObject)
 115       return;
 116
 117     ResultPtr aContext = anObjectAttr->context();
 118     GeomShapePtr aParent;
 119     if (aContext.get()) {
 120       ResultBodyPtr aCtxOwner = ModelAPI_Tools::bodyOwner(aContext);
 121       aParent = aCtxOwner ? aCtxOwner->shape() : aContext->shape();
 122     } else { // get it from a feature
 123       FeaturePtr aFeature = anObjectAttr->contextFeature();
 124       if (aFeature.get()) {
 125         aParent = aFeature->firstResult()->shape();
 126       }
 127     }
 128     if (!aParent)
 129       return;
 130
 131     // searching this parent is already in the list aSolidsAndSubs
 132     std::list<std::pair<GeomShapePtr, ListOfShape> >::iterator aSearch = aSolidsAndSubs.begin();
 133     ListOfShape* aFound;
 134     for(; aSearch != aSolidsAndSubs.end(); aSearch++) {
 135       if (aSearch->first->isSame(aParent)) {
 136         aFound = &(aSearch->second);
 137         break;
 138       }
 139     }
 140     if (aSearch == aSolidsAndSubs.end()) { // not found, so, add a new one
 141       aSolidsAndSubs.push_back(std::pair<GeomShapePtr, ListOfShape>(aParent, ListOfShape()));
 142       aFound = &(aSolidsAndSubs.back().second);
 143     }
 144
 145     ListOfShape anEdgesAndVertices;
 146     collectSubs(anObject, anEdgesAndVertices, GeomAPI_Shape::EDGE);
 147     collectSubs(anObject, anEdgesAndVertices, GeomAPI_Shape::VERTEX);
 148     for (ListOfShape::iterator aEIt = anEdgesAndVertices.begin();
 149          aEIt != anEdgesAndVertices.end(); ++aEIt)
 150       aFound->push_back(*aEIt);
 151   }
 152
 153   bool isFixedRadius = true;
 154   double aRadius1 = 0.0, aRadius2 = 0.0;
 155   if (aCreationMethod->value() == CREATION_METHOD_SINGLE_RADIUS())
 156     aRadius1 = real(RADIUS_ID())->value();
 157   else {
 158     aRadius1 = real(START_RADIUS_ID())->value();
 159     aRadius2 = real(END_RADIUS_ID())->value();
 160     isFixedRadius = false;
 161   }
 162
 163   // Perform fillet operation
 164   GeomAlgoAPI_MakeShapeList aMakeShapeList;
 165   std::shared_ptr<GeomAlgoAPI_Fillet> aFilletBuilder;
 166   int aResultIndex = 0;
 167   std::string anError;
 168
 169   std::vector<FeaturesPlugin_Tools::ResultBaseAlgo> aResultBaseAlgoList;
 170   ListOfShape anOriginalShapesList, aResultShapesList;
 171
 172   std::list<std::pair<GeomShapePtr, ListOfShape> >::iterator anIt = aSolidsAndSubs.begin();
 173   for (; anIt != aSolidsAndSubs.end(); ++anIt) {
 174     GeomShapePtr aSolid = anIt->first;
 175     ListOfShape aFilletEdgesAndVertices = anIt->second;
 176
 177     ListOfShape aFilletEdges = selectEdges(aFilletEdgesAndVertices);
 178     if (isFixedRadius)
 179       aFilletBuilder.reset(new GeomAlgoAPI_Fillet(aSolid, aFilletEdges, aRadius1));
 180     else
 181       aFilletBuilder.reset(new GeomAlgoAPI_Fillet(aSolid, aFilletEdges, aRadius1, aRadius2));
 182
 183     if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aFilletBuilder, getKind(), anError)) {
 184       setError(anError);
 185       return;
 186     }
 187
 188     GeomShapePtr aResult = unwrapCompound(aFilletBuilder->shape());
 189     std::shared_ptr<ModelAPI_ResultBody> aResultBody =
 190         document()->createBody(data(), aResultIndex);
 191
 192     ListOfShape aBaseShapes;
 193     aBaseShapes.push_back(aSolid);
 194     FeaturesPlugin_Tools::loadModifiedShapes(aResultBody, aBaseShapes, ListOfShape(),
 195                                              aFilletBuilder, aResult, "Fillet");
 196
 197     setResult(aResultBody, aResultIndex);
 198     aResultIndex++;
 199
 200     FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
 201     aRBA.resultBody = aResultBody;
 202     aRBA.baseShape = aSolid;
 203     aRBA.makeShape = aFilletBuilder;
 204     aResultBaseAlgoList.push_back(aRBA);
 205     aResultShapesList.push_back(aResult);
 206     anOriginalShapesList.push_back(aSolid);
 207
 208     const std::string aFilletFaceName = "Fillet";
 209     ListOfShape::iterator aSelectedBase = aFilletEdges.begin();
 210     for(; aSelectedBase != aFilletEdges.end(); aSelectedBase++) {
 211       GeomShapePtr aBase = *aSelectedBase;
 212       // Store new faces generated from edges and vertices
 213       aResultBody->loadGeneratedShapes(
 214         aFilletBuilder, aBase, GeomAPI_Shape::EDGE, aFilletFaceName, true);
 215     }
 216   }
 217
 218   // Store deleted shapes after all results has been proceeded. This is to avoid issue when in one
 219   // result shape has been deleted, but in another it was modified or stayed.
 220   GeomShapePtr aResultShapesCompound = GeomAlgoAPI_CompoundBuilder::compound(aResultShapesList);
 221   FeaturesPlugin_Tools::loadDeletedShapes(aResultBaseAlgoList,
 222       anOriginalShapesList, aResultShapesCompound);
 223
 224   removeResults(aResultIndex);
 225 }