src/FeaturesPlugin/FeaturesPlugin_Fillet1D.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_Fillet1D.h>
  21 #include <FeaturesPlugin_Tools.h>
  22
  23 #include <GeomAlgoAPI_Fillet1D.h>
  24 #include <GeomAlgoAPI_MapShapesAndAncestors.h>
  25 #include <GeomAlgoAPI_ShapeTools.h>
  26 #include <GeomAlgoAPI_Tools.h>
  27
  28 #include <GeomAPI_Edge.h>
  29 #include <GeomAPI_Pln.h>
  30 #include <GeomAPI_WireExplorer.h>
  31
  32 #include <ModelAPI_AttributeDouble.h>
  33 #include <ModelAPI_AttributeSelectionList.h>
  34 #include <ModelAPI_AttributeString.h>
  35 #include <ModelAPI_Events.h>
  36
  37 void sendMessageWithFailedShapes(const ListOfShape& theVertices)
  38 {
  39   std::shared_ptr<ModelAPI_ShapesFailedMessage> aMessage(
  40       new ModelAPI_ShapesFailedMessage(Events_Loop::eventByName(EVENT_OPERATION_SHAPES_FAILED)));
  41   aMessage->setShapes(theVertices);
  42   Events_Loop::loop()->send(aMessage);
  43 }
  44
  45 FeaturesPlugin_Fillet1D::FeaturesPlugin_Fillet1D()
  46 {
  47 }
  48
  49 void FeaturesPlugin_Fillet1D::initAttributes()
  50 {
  51   data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
  52   data()->addAttribute(WIRE_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  53   data()->addAttribute(VERTEX_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
  54   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  55 }
  56
  57 void FeaturesPlugin_Fillet1D::execute()
  58 {
  59   ListOfShape aWires;
  60   MapShapeSubs aVertices;
  61   if (!baseShapes(aWires, aVertices))
  62     return;
  63
  64   int aResultIndex = 0;
  65   for (ListOfShape::iterator anIt = aWires.begin(); anIt != aWires.end(); ++anIt)
  66     if (!performFillet(*anIt, aVertices[*anIt], aResultIndex++))
  67       break;
  68   removeResults(aResultIndex);
  69 }
  70
  71 void FeaturesPlugin_Fillet1D::attributeChanged(const std::string& theID)
  72 {
  73   if (theID == CREATION_METHOD()) {
  74     // creation method is changed, drop failed vertices and send the message
  75     removeResults(0);
  76     sendMessageWithFailedShapes(ListOfShape());
  77   }
  78 }
  79
  80 bool FeaturesPlugin_Fillet1D::baseShapes(ListOfShape& theWires, MapShapeSubs& theWireVertices)
  81 {
  82   std::set<GeomShapePtr, GeomAPI_Shape::Comparator> aProcessedWires;
  83   std::string aMethod = string(CREATION_METHOD())->value();
  84   if (aMethod == CREATION_BY_WIRES()) {
  85     AttributeSelectionListPtr aSelList = selectionList(WIRE_LIST_ID());
  86
  87     int aNbSel = aSelList->size();
  88     for (int ind = 0; ind < aNbSel; ++ind) {
  89       AttributeSelectionPtr aCurSel = aSelList->value(ind);
  90       GeomShapePtr aWire = aCurSel->context()->shape();
  91       if (aProcessedWires.find(aWire) != aProcessedWires.end())
  92         continue;
  93
  94       aProcessedWires.insert(aWire);
  95       // get vertices applicable for fillet
  96       GeomAlgoAPI_MapShapesAndAncestors aMapVE(aWire, GeomAPI_Shape::VERTEX, GeomAPI_Shape::EDGE);
  97       const MapShapeToShapes& aSubshapes = aMapVE.map();
  98       std::set<GeomShapePtr, GeomAPI_Shape::Comparator> aFilletVertices;
  99       for (MapShapeToShapes::const_iterator anIt = aSubshapes.begin();
 100            anIt != aSubshapes.end(); ++anIt) {
 101         // vertex should have 2 adjacent edges
 102         if (anIt->second.size() != 2)
 103           continue;
 104
 105         // skip vertices, which adjacent edges are not on the same plane
 106         ListOfShape anEdges;
 107         anEdges.insert(anEdges.end(), anIt->second.begin(), anIt->second.end());
 108         GeomPlanePtr aPlane = GeomAlgoAPI_ShapeTools::findPlane(anEdges);
 109         if (!aPlane)
 110           continue;
 111
 112         // skip vertices, which smoothly connect adjacent edges
 113         GeomEdgePtr anEdge1(new GeomAPI_Edge(anEdges.front()));
 114         GeomEdgePtr anEdge2(new GeomAPI_Edge(anEdges.back()));
 115         GeomVertexPtr aSharedVertex(new GeomAPI_Vertex(anIt->first));
 116         if (GeomAlgoAPI_ShapeTools::isTangent(anEdge1, anEdge2, aSharedVertex))
 117           continue;
 118
 119         aFilletVertices.insert(anIt->first);
 120       }
 121
 122       if (aFilletVertices.empty()) {
 123         setError("Wire has no vertices for fillet.");
 124         return false;
 125       }
 126
 127
 128       // keep the sequence of wires and fillet vertices stable
 129       theWires.push_back(aWire);
 130       for (GeomAPI_WireExplorer anExp(aWire->wire()); anExp.more(); anExp.next()) {
 131         GeomShapePtr aVertex = anExp.currentVertex();
 132         if (aFilletVertices.find(aVertex) != aFilletVertices.end())
 133           theWireVertices[aWire].push_back(aVertex);
 134       }
 135     }
 136   }
 137   else if (aMethod == CREATION_BY_VERTICES()) {
 138     AttributeSelectionListPtr aSelList = selectionList(VERTEX_LIST_ID());
 139     int aNbSel = aSelList->size();
 140     for (int ind = 0; ind < aNbSel; ++ind) {
 141       AttributeSelectionPtr aCurSel = aSelList->value(ind);
 142       GeomShapePtr aWire = aCurSel->context()->shape();
 143       GeomShapePtr aVertex = aCurSel->value();
 144
 145       // keep the sequence of wires stable
 146       if (aProcessedWires.find(aWire) == aProcessedWires.end()) {
 147         theWires.push_back(aWire);
 148         aProcessedWires.insert(aWire);
 149       }
 150
 151       theWireVertices[aWire].push_back(aVertex);
 152     }
 153   }
 154   return true;
 155 }
 156
 157 bool FeaturesPlugin_Fillet1D::performFillet(const GeomShapePtr& theWire,
 158                                             const ListOfShape& theVertices,
 159                                             const int theResultIndex)
 160 {
 161   double aRadius = real(RADIUS_ID())->value();
 162
 163   // perform fillet operation
 164   std::shared_ptr<GeomAlgoAPI_Fillet1D> aFilletBuilder(
 165       new GeomAlgoAPI_Fillet1D(theWire, theVertices, aRadius));
 166
 167   bool isOk = true;
 168   bool isSendMessage = !myFailedVertices.empty();
 169   myFailedVertices = aFilletBuilder->failedVertices();
 170
 171   std::string anError;
 172   if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aFilletBuilder, getKind(), anError)) {
 173     isOk = false;
 174     // in case of vertices, the fillet completed, send message to highlight them in the viewer
 175     isSendMessage = true;
 176     bool isAllFailed = myFailedVertices.size() == theVertices.size();
 177     setError(anError, isAllFailed);
 178     if (isAllFailed)
 179       return isOk;
 180   }
 181
 182   if (isSendMessage) {
 183     // send message to highlight the failed vertices
 184     sendMessageWithFailedShapes(myFailedVertices);
 185   }
 186
 187   static const std::string THE_PREFIX = "Fillet1D";
 188
 189   // store result
 190   ResultBodyPtr aResult = document()->createBody(data(), theResultIndex);
 191   ListOfShape anOriginal;
 192   anOriginal.push_back(theWire);
 193   FeaturesPlugin_Tools::loadModifiedShapes(aResult, anOriginal, ListOfShape(),
 194                                            aFilletBuilder, aFilletBuilder->shape(), THE_PREFIX);
 195   setResult(aResult, theResultIndex);
 196   // store new edges generated from vertices
 197   for (ListOfShape::const_iterator anIt = theVertices.begin(); anIt != theVertices.end(); ++anIt)
 198     aResult->loadGeneratedShapes(aFilletBuilder, *anIt, GeomAPI_Shape::VERTEX, THE_PREFIX, true);
 199
 200   return isOk;
 201 }