src/FeaturesPlugin/FeaturesPlugin_Intersection.cpp

   1 // Copyright (C) 2014-2017  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_Intersection.h"
  22
  23 #include <ModelAPI_Data.h>
  24 #include <ModelAPI_Document.h>
  25 #include <ModelAPI_BodyBuilder.h>
  26 #include <ModelAPI_ResultBody.h>
  27 #include <ModelAPI_AttributeSelectionList.h>
  28
  29 #include <GeomAlgoAPI_Intersection.h>
  30 #include <GeomAPI_ShapeExplorer.h>
  31
  32 #include <sstream>
  33
  34 //=================================================================================================
  35 FeaturesPlugin_Intersection::FeaturesPlugin_Intersection()
  36 {
  37 }
  38
  39 //=================================================================================================
  40 void FeaturesPlugin_Intersection::initAttributes()
  41 {
  42   data()->addAttribute(FeaturesPlugin_Intersection::OBJECT_LIST_ID(),
  43                        ModelAPI_AttributeSelectionList::typeId());
  44   data()->addAttribute(FeaturesPlugin_Intersection::TOOL_LIST_ID(),
  45                        ModelAPI_AttributeSelectionList::typeId());
  46 }
  47
  48 //=================================================================================================
  49 void FeaturesPlugin_Intersection::execute()
  50 {
  51   ListOfShape anObjects, aTools;
  52
  53   // Getting objects.
  54   AttributeSelectionListPtr anObjectsSelList =
  55     selectionList(FeaturesPlugin_Intersection::OBJECT_LIST_ID());
  56   for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); anObjectsIndex++) {
  57     std::shared_ptr<ModelAPI_AttributeSelection> anObjectAttr =
  58       anObjectsSelList->value(anObjectsIndex);
  59     std::shared_ptr<GeomAPI_Shape> anObject = anObjectAttr->value();
  60     if (!anObject.get()) {
  61       return;
  62     }
  63     anObjects.push_back(anObject);
  64   }
  65
  66   // Getting tools.
  67   AttributeSelectionListPtr aToolsSelList =
  68     selectionList(FeaturesPlugin_Intersection::TOOL_LIST_ID());
  69   for (int aToolsIndex = 0; aToolsIndex < aToolsSelList->size(); aToolsIndex++) {
  70     std::shared_ptr<ModelAPI_AttributeSelection> aToolAttr = aToolsSelList->value(aToolsIndex);
  71     std::shared_ptr<GeomAPI_Shape> aTool = aToolAttr->value();
  72     if (!aTool.get()) {
  73       return;
  74     }
  75     aTools.push_back(aTool);
  76   }
  77
  78   if(anObjects.empty() || aTools.empty()) {
  79     setError("Error: Objects or tools are empty.");
  80     return;
  81   }
  82
  83   int aResultIndex = 0;
  84
  85   // Create result for each object.
  86   for (ListOfShape::iterator
  87        anObjectsIt = anObjects.begin(); anObjectsIt != anObjects.end(); anObjectsIt++) {
  88     std::shared_ptr<GeomAPI_Shape> anObject = *anObjectsIt;
  89     ListOfShape aListWithObject; aListWithObject.push_back(anObject);
  90     GeomAlgoAPI_Intersection anIntersectionAlgo(aListWithObject, aTools);
  91
  92     // Checking that the algorithm worked properly.
  93     if (!anIntersectionAlgo.isDone()) {
  94       static const std::string aFeatureError = "Error: Intersection algorithm failed.";
  95       setError(aFeatureError);
  96       return;
  97     }
  98     if (anIntersectionAlgo.shape()->isNull()) {
  99       static const std::string aShapeError = "Error: Resulting shape is Null.";
 100       setError(aShapeError);
 101       return;
 102     }
 103     if (!anIntersectionAlgo.isValid()) {
 104       std::string aFeatureError = "Error: Resulting shape is not valid.";
 105       setError(aFeatureError);
 106       return;
 107     }
 108
 109     std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data(), aResultIndex);
 110     loadNamingDS(aResultBody, anObject, aTools, anIntersectionAlgo);
 111     setResult(aResultBody, aResultIndex);
 112     aResultIndex++;
 113   }
 114
 115   // remove the rest results if there were produced in the previous pass
 116   removeResults(aResultIndex);
 117 }
 118
 119 //=================================================================================================
 120 void FeaturesPlugin_Intersection::loadNamingDS(std::shared_ptr<ModelAPI_ResultBody> theResultBody,
 121                                                const std::shared_ptr<GeomAPI_Shape> theBaseShape,
 122                                                const ListOfShape& theTools,
 123                                                GeomAlgoAPI_MakeShape& theMakeShape)
 124 {
 125   std::shared_ptr<GeomAPI_Shape> aResultShape = theMakeShape.shape();
 126   theResultBody->storeModified(theBaseShape, aResultShape);
 127
 128   const int aDeletedVertexTag = 1;
 129   const int aDeletedEdgeTag   = 2;
 130   const int aDeletedFaceTag   = 3;
 131
 132   theResultBody->loadDeletedShapes(&theMakeShape,
 133                                    theBaseShape,
 134                                    GeomAPI_Shape::VERTEX,
 135                                    aDeletedVertexTag);
 136   theResultBody->loadDeletedShapes(&theMakeShape,
 137                                    theBaseShape,
 138                                    GeomAPI_Shape::EDGE,
 139                                    aDeletedEdgeTag);
 140   theResultBody->loadDeletedShapes(&theMakeShape,
 141                                    theBaseShape,
 142                                    GeomAPI_Shape::FACE,
 143                                    aDeletedFaceTag);
 144
 145   ListOfShape aShapes = theTools;
 146   aShapes.push_back(theBaseShape);
 147   GeomAPI_DataMapOfShapeShape aShapesMap; // Map to store {result_shape, original_shape}
 148   const int aShapeTypesNb = 2;
 149   const GeomAPI_Shape::ShapeType aShapeTypes[aShapeTypesNb] =
 150     {GeomAPI_Shape::VERTEX, GeomAPI_Shape::EDGE};
 151   for(ListOfShape::const_iterator anIt = aShapes.cbegin(); anIt != aShapes.cend(); ++anIt) {
 152     const GeomShapePtr aShape = *anIt;
 153     for(int anIndex = 0; anIndex < aShapeTypesNb; ++anIndex) {
 154       for(GeomAPI_ShapeExplorer anOrigShapeExp(aShape, aShapeTypes[anIndex]);
 155           anOrigShapeExp.more();
 156           anOrigShapeExp.next()) {
 157         ListOfShape aHistory;
 158         const GeomShapePtr aSubShape = anOrigShapeExp.current();
 159         theMakeShape.modified(aSubShape, aHistory);
 160         for(ListOfShape::const_iterator aHistoryIt = aHistory.cbegin();
 161             aHistoryIt != aHistory.cend();
 162             ++aHistoryIt) {
 163           aShapesMap.bind(*aHistoryIt, aSubShape);
 164         }
 165       }
 166     }
 167   }
 168
 169   int aModifiedVertexIndex(1),
 170       aGeneratedVertexIndex(1),
 171       aModifiedEdgeIndex(1),
 172       aGeneratedEdgeIndex(1);
 173   int aTag = 4;
 174   GeomAPI_DataMapOfShapeShape aStoredShapes;
 175   for(int anIndex = 0; anIndex < aShapeTypesNb; ++anIndex) {
 176     for(GeomAPI_ShapeExplorer aShapeExp(aResultShape, aShapeTypes[anIndex]);
 177         aShapeExp.more();
 178         aShapeExp.next()) {
 179       const GeomShapePtr aSubShape = aShapeExp.current();
 180       if(aStoredShapes.isBound(aSubShape)) {
 181         continue;
 182       }
 183       if(aShapesMap.isBound(aSubShape)) {
 184         theResultBody->modified(aShapesMap.find(aSubShape),
 185           aSubShape,
 186           std::string("Modified_")
 187             + (anIndex == 0 ? "Vertex_" : "Edge_")
 188             + std::to_string((long long)(anIndex == 0 ? aModifiedVertexIndex++
 189                                                       : aModifiedEdgeIndex++)),
 190           aTag++);
 191       } else {
 192         theResultBody->generated(aSubShape,
 193           std::string("Generated_")
 194             + (anIndex == 0 ? "Vertex_" : "Edge_")
 195             + std::to_string((long long)(anIndex == 0 ? aGeneratedVertexIndex++
 196                                                       : aGeneratedEdgeIndex++)),
 197           aTag++);
 198       }
 199       aStoredShapes.bind(aSubShape, aSubShape);
 200     }
 201   }
 202 }