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Issue #3222: 1d fillet
[modules/shaper.git] / src / FeaturesPlugin / FeaturesPlugin_Fillet1D.cpp
diff --git a/src/FeaturesPlugin/FeaturesPlugin_Fillet1D.cpp b/src/FeaturesPlugin/FeaturesPlugin_Fillet1D.cpp
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+// Copyright (C) 2020  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include <FeaturesPlugin_Fillet1D.h>
+#include <FeaturesPlugin_Tools.h>
+
+#include <GeomAlgoAPI_Fillet1D.h>
+#include <GeomAlgoAPI_MapShapesAndAncestors.h>
+#include <GeomAlgoAPI_ShapeTools.h>
+#include <GeomAlgoAPI_Tools.h>
+
+#include <GeomAPI_Edge.h>
+#include <GeomAPI_Pln.h>
+#include <GeomAPI_WireExplorer.h>
+
+#include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_AttributeString.h>
+#include <ModelAPI_Events.h>
+
+FeaturesPlugin_Fillet1D::FeaturesPlugin_Fillet1D()
+{
+}
+
+void FeaturesPlugin_Fillet1D::initAttributes()
+{
+  data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
+  data()->addAttribute(WIRE_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
+  data()->addAttribute(VERTEX_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
+  data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
+}
+
+void FeaturesPlugin_Fillet1D::execute()
+{
+  ListOfShape aWires;
+  MapShapeSubs aVertices;
+  if (!baseShapes(aWires, aVertices))
+    return;
+
+  int aResultIndex = 0;
+  for (ListOfShape::iterator anIt = aWires.begin(); anIt != aWires.end(); ++anIt)
+    if (!performFillet(*anIt, aVertices[*anIt], aResultIndex++))
+      break;
+  removeResults(aResultIndex);
+}
+
+bool FeaturesPlugin_Fillet1D::baseShapes(ListOfShape& theWires, MapShapeSubs& theWireVertices)
+{
+  std::set<GeomShapePtr, GeomAPI_Shape::Comparator> aProcessedWires;
+  std::string aMethod = string(CREATION_METHOD())->value();
+  if (aMethod == CREATION_BY_WIRES()) {
+    AttributeSelectionListPtr aSelList = selectionList(WIRE_LIST_ID());
+
+    int aNbSel = aSelList->size();
+    for (int ind = 0; ind < aNbSel; ++ind) {
+      AttributeSelectionPtr aCurSel = aSelList->value(ind);
+      GeomShapePtr aWire = aCurSel->context()->shape();
+      if (aProcessedWires.find(aWire) != aProcessedWires.end())
+        continue;
+
+      aProcessedWires.insert(aWire);
+      // get vertices applicable for fillet
+      GeomAlgoAPI_MapShapesAndAncestors aMapVE(aWire, GeomAPI_Shape::VERTEX, GeomAPI_Shape::EDGE);
+      const MapShapeToShapes& aSubshapes = aMapVE.map();
+      std::set<GeomShapePtr, GeomAPI_Shape::Comparator> aFilletVertices;
+      for (MapShapeToShapes::const_iterator anIt = aSubshapes.begin();
+           anIt != aSubshapes.end(); ++anIt) {
+        // vertex should have 2 adjacent edges
+        if (anIt->second.size() != 2)
+          continue;
+
+        // skip vertices, which adjacent edges are not on the same plane
+        ListOfShape anEdges;
+        anEdges.insert(anEdges.end(), anIt->second.begin(), anIt->second.end());
+        GeomPlanePtr aPlane = GeomAlgoAPI_ShapeTools::findPlane(anEdges);
+        if (!aPlane)
+          continue;
+
+        // skip vertices, which smoothly connect adjacent edges
+        GeomEdgePtr anEdge1(new GeomAPI_Edge(anEdges.front()));
+        GeomEdgePtr anEdge2(new GeomAPI_Edge(anEdges.back()));
+        GeomVertexPtr aSharedVertex(new GeomAPI_Vertex(anIt->first));
+        if (GeomAlgoAPI_ShapeTools::isTangent(anEdge1, anEdge2, aSharedVertex))
+          continue;
+
+        aFilletVertices.insert(anIt->first);
+      }
+
+      if (aFilletVertices.empty()) {
+        setError("Wire has no vertices for fillet.");
+        return false;
+      }
+
+
+      // keep the sequence of wires and fillet vertices stable
+      theWires.push_back(aWire);
+      for (GeomAPI_WireExplorer anExp(aWire->wire()); anExp.more(); anExp.next()) {
+        GeomShapePtr aVertex = anExp.currentVertex();
+        if (aFilletVertices.find(aVertex) != aFilletVertices.end())
+          theWireVertices[aWire].push_back(aVertex);
+      }
+    }
+  }
+  else if (aMethod == CREATION_BY_VERTICES()) {
+    AttributeSelectionListPtr aSelList = selectionList(VERTEX_LIST_ID());
+    int aNbSel = aSelList->size();
+    for (int ind = 0; ind < aNbSel; ++ind) {
+      AttributeSelectionPtr aCurSel = aSelList->value(ind);
+      GeomShapePtr aWire = aCurSel->context()->shape();
+      GeomShapePtr aVertex = aCurSel->value();
+
+      // keep the sequence of wires stable
+      if (aProcessedWires.find(aWire) == aProcessedWires.end()) {
+        theWires.push_back(aWire);
+        aProcessedWires.insert(aWire);
+      }
+
+      theWireVertices[aWire].push_back(aVertex);
+    }
+  }
+  return true;
+}
+
+bool FeaturesPlugin_Fillet1D::performFillet(const GeomShapePtr& theWire,
+                                            const ListOfShape& theVertices,
+                                            const int theResultIndex)
+{
+  double aRadius = real(RADIUS_ID())->value();
+
+  // perform fillet operation
+  std::shared_ptr<GeomAlgoAPI_Fillet1D> aFilletBuilder(
+      new GeomAlgoAPI_Fillet1D(theWire, theVertices, aRadius));
+
+  bool isOk = true;
+  bool isSendMessage = !myFailedVertices.empty();
+  myFailedVertices = aFilletBuilder->failedVertices();
+
+  std::string anError;
+  if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aFilletBuilder, getKind(), anError)) {
+    isOk = false;
+    // in case of vertices, the fillet completed, send message to highlight them in the viewer
+    isSendMessage = true;
+    bool isAllFailed = myFailedVertices.size() == theVertices.size();
+    setError(anError, isAllFailed);
+    if (isAllFailed)
+      return isOk;
+  }
+
+  if (isSendMessage) {
+    // send message to highlight the failed vertices
+    std::shared_ptr<ModelAPI_Fillet1DFailedMessage> aMessage(
+        new ModelAPI_Fillet1DFailedMessage(Events_Loop::eventByName(EVENT_1DFILLET_FAILED)));
+    aMessage->setVertices(myFailedVertices);
+    Events_Loop::loop()->send(aMessage);
+  }
+
+  static const std::string THE_PREFIX = "Fillet1D";
+
+  // store result
+  ResultBodyPtr aResult = document()->createBody(data(), theResultIndex);
+  ListOfShape anOriginal;
+  anOriginal.push_back(theWire);
+  FeaturesPlugin_Tools::loadModifiedShapes(aResult, anOriginal, ListOfShape(),
+                                           aFilletBuilder, aFilletBuilder->shape(), THE_PREFIX);
+  setResult(aResult, theResultIndex);
+  // store new edges generated from vertices
+  for (ListOfShape::const_iterator anIt = theVertices.begin(); anIt != theVertices.end(); ++anIt)
+    aResult->loadGeneratedShapes(aFilletBuilder, *anIt, GeomAPI_Shape::VERTEX, THE_PREFIX, true);
+
+  return isOk;
+}