src/FeaturesPlugin/FeaturesPlugin_CompositeBoolean.cpp

   1 // Copyright (C) 2014-2019  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_CompositeBoolean.h"
  21
  22 #include <ModelAPI_AttributeSelectionList.h>
  23 #include <ModelAPI_Tools.h>
  24
  25 #include <GeomAlgoAPI_Boolean.h>
  26 #include <GeomAlgoAPI_CompoundBuilder.h>
  27 #include <GeomAlgoAPI_MakeShapeList.h>
  28 #include <GeomAlgoAPI_PaveFiller.h>
  29 #include <GeomAlgoAPI_ShapeTools.h>
  30
  31 #include <GeomAPI_ShapeIterator.h>
  32
  33 #include <map>
  34
  35 //=================================================================================================
  36 void FeaturesPlugin_CompositeBoolean::initBooleanAttributes()
  37 {
  38   myFeature->data()->addAttribute(OBJECTS_ID(), ModelAPI_AttributeSelectionList::typeId());
  39 }
  40
  41 //=================================================================================================
  42 void FeaturesPlugin_CompositeBoolean::executeCompositeBoolean()
  43 {
  44   // Make generation.
  45   ListOfShape aGenBaseShapes;
  46   ListOfMakeShape aGenMakeShapes;
  47   if(!makeGeneration(aGenBaseShapes, aGenMakeShapes)) {
  48     return;
  49   }
  50
  51   // Getting tools.
  52   ListOfShape aTools;
  53   for(ListOfMakeShape::const_iterator
  54       anIt = aGenMakeShapes.cbegin(); anIt != aGenMakeShapes.cend(); ++anIt) {
  55     aTools.push_back((*anIt)->shape());
  56   }
  57
  58   // Make boolean.
  59   ListOfShape aBooleanObjects;
  60   ListOfMakeShape aBooleanMakeShapes;
  61   if(!makeBoolean(aTools, aBooleanObjects, aBooleanMakeShapes)) {
  62     return;
  63   }
  64
  65   if(myOperationType == BOOL_FUSE) {
  66     aTools.splice(aTools.begin(), aBooleanObjects);
  67     aBooleanObjects.splice(aBooleanObjects.begin(), aTools, aTools.begin());
  68   }
  69
  70   // Store result.
  71   int aResultIndex = 0;
  72   std::vector<ResultBaseAlgo> aResultBaseAlgoList;
  73   ListOfShape aResultShapesList;
  74   ListOfShape::const_iterator aBoolObjIt = aBooleanObjects.cbegin();
  75   ListOfMakeShape::const_iterator aBoolMSIt = aBooleanMakeShapes.cbegin();
  76   for(; aBoolObjIt != aBooleanObjects.cend() && aBoolMSIt != aBooleanMakeShapes.cend();
  77       ++aBoolObjIt, ++aBoolMSIt) {
  78
  79     ResultBodyPtr aResultBody = myFeature->document()->createBody(myFeature->data(), aResultIndex);
  80
  81     if((*aBoolObjIt)->isEqual((*aBoolMSIt)->shape())) {
  82       aResultBody->store((*aBoolMSIt)->shape(), false);
  83     }
  84     else
  85     {
  86       aResultBody->storeModified(*aBoolObjIt, (*aBoolMSIt)->shape());
  87
  88       // Store generation history.
  89       ListOfShape::const_iterator aGenBaseIt = aGenBaseShapes.cbegin();
  90       ListOfMakeShape::const_iterator aGenMSIt = aGenMakeShapes.cbegin();
  91       for(; aGenBaseIt != aGenBaseShapes.cend() && aGenMSIt != aGenMakeShapes.cend();
  92           ++aGenBaseIt, ++aGenMSIt) {
  93         std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMSList(new GeomAlgoAPI_MakeShapeList());
  94         aMSList->appendAlgo(*aGenMSIt);
  95         aMSList->appendAlgo(*aBoolMSIt);
  96         storeGenerationHistory(aResultBody, *aGenBaseIt, aMSList);
  97       }
  98
  99       storeModificationHistory(aResultBody, *aBoolObjIt, aTools, *aBoolMSIt);
 100
 101       ResultBaseAlgo aRBA;
 102       aRBA.resultBody = aResultBody;
 103       aRBA.baseShape = *aBoolObjIt;
 104       aRBA.makeShape = *aBoolMSIt;
 105       aResultBaseAlgoList.push_back(aRBA);
 106       aResultShapesList.push_back((*aBoolMSIt)->shape());
 107     }
 108
 109     myFeature->setResult(aResultBody, aResultIndex++);
 110   }
 111
 112   // Store deleted shapes after all results has been proceeded. This is to avoid issue when in one
 113   // result shape has been deleted, but in another it was modified or stayed.
 114   GeomShapePtr aResultShapesCompound = GeomAlgoAPI_CompoundBuilder::compound(aResultShapesList);
 115   storeDeletedShapes(aResultBaseAlgoList, aTools, aResultShapesCompound);
 116
 117   myFeature->removeResults(aResultIndex);
 118 }
 119
 120 //=================================================================================================
 121 bool FeaturesPlugin_CompositeBoolean::makeBoolean(const ListOfShape& theTools,
 122                                                   ListOfShape& theObjects,
 123                                                   ListOfMakeShape& theMakeShapes)
 124 {
 125   // Getting objects.
 126   ListOfShape anObjects, anEdgesAndFaces, aCompSolids;
 127   std::map<GeomShapePtr, ListOfShape> aCompSolidsObjects;
 128   AttributeSelectionListPtr anObjectsSelList = myFeature->selectionList(OBJECTS_ID());
 129   for(int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); anObjectsIndex++) {
 130     AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
 131     GeomShapePtr anObject = anObjectAttr->value();
 132     if(!anObject.get()) {
 133       myFeature->setError("Error: Could not get object.");
 134       return false;
 135     }
 136     ResultPtr aContext = anObjectAttr->context();
 137     ResultBodyPtr aResCompSolidPtr = ModelAPI_Tools::bodyOwner(aContext);
 138     if(aResCompSolidPtr.get()) {
 139       GeomShapePtr aContextShape = aResCompSolidPtr->shape();
 140       std::map<GeomShapePtr, ListOfShape>::iterator anIt = aCompSolidsObjects.begin();
 141       for(; anIt != aCompSolidsObjects.end(); anIt++) {
 142         if(anIt->first->isEqual(aContextShape)) {
 143           aCompSolidsObjects[anIt->first].push_back(anObject);
 144           break;
 145         }
 146       }
 147       if(anIt == aCompSolidsObjects.end()) {
 148         aCompSolidsObjects[aContextShape].push_back(anObject);
 149         aCompSolids.push_back(aContextShape);
 150       }
 151     } else {
 152       if(anObject->shapeType() == GeomAPI_Shape::EDGE ||
 153          anObject->shapeType() == GeomAPI_Shape::FACE) {
 154         anEdgesAndFaces.push_back(anObject);
 155       } else {
 156         anObjects.push_back(anObject);
 157       }
 158     }
 159   }
 160
 161   switch(myOperationType) {
 162     case BOOL_CUT: {
 163       if((anObjects.empty() && aCompSolidsObjects.empty()) || theTools.empty()) {
 164         myFeature->setError("Error: Not enough objects for boolean operation.");
 165         return false;
 166       }
 167
 168       // For solids cut each object with all tools.
 169       for(ListOfShape::const_iterator
 170           anIt = anObjects.cbegin(); anIt != anObjects.cend(); ++anIt) {
 171         GeomShapePtr anObject = *anIt;
 172         ListOfShape aListWithObject;
 173         aListWithObject.push_back(anObject);
 174         std::shared_ptr<GeomAlgoAPI_Boolean> aBoolAlgo(new GeomAlgoAPI_Boolean(aListWithObject,
 175                                                                 theTools,
 176                                                                 GeomAlgoAPI_Boolean::BOOL_CUT));
 177
 178         // Checking that the algorithm worked properly.
 179         if(!aBoolAlgo->isDone() || aBoolAlgo->shape()->isNull() || !aBoolAlgo->isValid()) {
 180           myFeature->setError("Error: Boolean algorithm failed.");
 181           return false;
 182         }
 183
 184         if(GeomAlgoAPI_ShapeTools::volume(aBoolAlgo->shape()) > 1.e-27) {
 185           theObjects.push_back(anObject);
 186           theMakeShapes.push_back(aBoolAlgo);
 187         }
 188       }
 189
 190       // Compsolids handling
 191       for(std::map<GeomShapePtr, ListOfShape>::const_iterator anIt = aCompSolidsObjects.cbegin();
 192           anIt != aCompSolidsObjects.cend(); ++anIt) {
 193         GeomShapePtr aCompSolid = anIt->first;
 194         const ListOfShape& aUsedShapes = anIt->second;
 195
 196         // Collecting solids from compsolids which will not be modified in boolean operation.
 197         ListOfShape aShapesToAdd;
 198         for (GeomAPI_ShapeIterator aCompSolidIt(aCompSolid);
 199              aCompSolidIt.more();
 200              aCompSolidIt.next())
 201         {
 202           GeomShapePtr aSolidInCompSolid = aCompSolidIt.current();
 203           ListOfShape::const_iterator aUsedShapesIt = aUsedShapes.cbegin();
 204           for(; aUsedShapesIt != aUsedShapes.cend(); ++aUsedShapesIt) {
 205             if(aSolidInCompSolid->isEqual(*aUsedShapesIt)) {
 206               break;
 207             }
 208           }
 209           if(aUsedShapesIt == aUsedShapes.end()) {
 210             aShapesToAdd.push_back(aSolidInCompSolid);
 211           }
 212         }
 213
 214         std::shared_ptr<GeomAlgoAPI_Boolean> aBoolAlgo(new GeomAlgoAPI_Boolean(aUsedShapes,
 215                                                                   theTools,
 216                                                                   GeomAlgoAPI_Boolean::BOOL_CUT));
 217
 218         // Checking that the algorithm worked properly.
 219         if(!aBoolAlgo->isDone() || aBoolAlgo->shape()->isNull() || !aBoolAlgo->isValid()) {
 220           myFeature->setError("Error: Boolean algorithm failed.");
 221           return false;
 222         }
 223
 224         std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
 225         aMakeShapeList->appendAlgo(aBoolAlgo);
 226
 227         // Add result to not used solids from compsolid.
 228         aShapesToAdd.push_back(aBoolAlgo->shape());
 229         std::shared_ptr<GeomAlgoAPI_PaveFiller> aFillerAlgo(
 230           new GeomAlgoAPI_PaveFiller(aShapesToAdd, true));
 231         if(!aFillerAlgo->isDone() || aFillerAlgo->shape()->isNull() || !aFillerAlgo->isValid()) {
 232           myFeature->setError("Error: PaveFiller algorithm failed.");
 233           return false;
 234         }
 235
 236         aMakeShapeList->appendAlgo(aFillerAlgo);
 237
 238         if(GeomAlgoAPI_ShapeTools::volume(aFillerAlgo->shape()) > 1.e-27) {
 239           theObjects.push_back(aCompSolid);
 240           theMakeShapes.push_back(aMakeShapeList);
 241         }
 242       }
 243       break;
 244     }
 245     case BOOL_FUSE: {
 246       // Set objects.
 247       theObjects.insert(theObjects.end(), anEdgesAndFaces.begin(), anEdgesAndFaces.end());
 248       theObjects.insert(theObjects.end(), anObjects.begin(), anObjects.end());
 249       theObjects.insert(theObjects.end(), aCompSolids.begin(), aCompSolids.end());
 250
 251       // Filter edges and faces in tools.
 252       ListOfShape aTools;
 253       for(ListOfShape::const_iterator anIt = theTools.cbegin(); anIt != theTools.cend(); ++anIt) {
 254         if((*anIt)->shapeType() == GeomAPI_Shape::EDGE ||
 255            (*anIt)->shapeType() == GeomAPI_Shape::FACE) {
 256           anEdgesAndFaces.push_back(*anIt);
 257         } else {
 258           aTools.push_back(*anIt);
 259         }
 260       }
 261
 262       if((anObjects.size() + aTools.size() +
 263           aCompSolidsObjects.size() + anEdgesAndFaces.size()) < 2) {
 264         myFeature->setError("Error: Not enough objects for boolean operation.");
 265         return false;
 266       }
 267
 268       // Collecting all solids which will be fused.
 269       ListOfShape aSolidsToFuse;
 270       aSolidsToFuse.insert(aSolidsToFuse.end(), anObjects.begin(), anObjects.end());
 271       aSolidsToFuse.insert(aSolidsToFuse.end(), aTools.begin(), aTools.end());
 272
 273       // Collecting solids from compsolids which will not be
 274       // modified in boolean operation and will be added to result.
 275       ListOfShape aShapesToAdd;
 276       for(std::map<GeomShapePtr, ListOfShape>::iterator anIt = aCompSolidsObjects.begin();
 277           anIt != aCompSolidsObjects.end(); anIt++) {
 278         GeomShapePtr aCompSolid = anIt->first;
 279         ListOfShape& aUsedShapes = anIt->second;
 280         aSolidsToFuse.insert(aSolidsToFuse.end(), aUsedShapes.begin(), aUsedShapes.end());
 281
 282         // Collect solids from compsolid which will not be modified in boolean operation.
 283         for (GeomAPI_ShapeIterator aCompSolidIt(aCompSolid);
 284              aCompSolidIt.more();
 285              aCompSolidIt.next())
 286         {
 287           GeomShapePtr aSolidInCompSolid = aCompSolidIt.current();
 288           ListOfShape::iterator anIt = aUsedShapes.begin();
 289           for(; anIt != aUsedShapes.end(); anIt++) {
 290             if(aSolidInCompSolid->isEqual(*anIt)) {
 291               break;
 292             }
 293           }
 294           if(anIt == aUsedShapes.end()) {
 295             aShapesToAdd.push_back(aSolidInCompSolid);
 296           }
 297         }
 298       }
 299
 300       // Cut edges and faces(if we have any) with solids.
 301       ListOfShape aCutTools;
 302       aCutTools.insert(aCutTools.end(), anObjects.begin(), anObjects.end());
 303       aCutTools.insert(aCutTools.end(), aCompSolids.begin(), aCompSolids.end());
 304       aCutTools.insert(aCutTools.end(), aTools.begin(), aTools.end());
 305
 306       std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
 307       if(!anEdgesAndFaces.empty() && !aCutTools.empty()) {
 308         std::shared_ptr<GeomAlgoAPI_Boolean> aCutAlgo(new GeomAlgoAPI_Boolean(anEdgesAndFaces,
 309                                                               aCutTools,
 310                                                               GeomAlgoAPI_Boolean::BOOL_CUT));
 311         if(aCutAlgo->isDone() && !aCutAlgo->shape()->isNull() && aCutAlgo->isValid()) {
 312           anEdgesAndFaces.clear();
 313           anEdgesAndFaces.push_back(aCutAlgo->shape());
 314           aMakeShapeList->appendAlgo(aCutAlgo);
 315         }
 316       }
 317
 318       // If we have compsolids then cut with not used solids all others.
 319       if(!aShapesToAdd.empty()) {
 320         std::shared_ptr<GeomAlgoAPI_Boolean> aCutAlgo(new GeomAlgoAPI_Boolean(aSolidsToFuse,
 321                                                               aShapesToAdd,
 322                                                               GeomAlgoAPI_Boolean::BOOL_CUT));
 323         if(aCutAlgo->isDone() && GeomAlgoAPI_ShapeTools::volume(aCutAlgo->shape()) > 1.e-27) {
 324           aSolidsToFuse.clear();
 325           aSolidsToFuse.push_back(aCutAlgo->shape());
 326           aMakeShapeList->appendAlgo(aCutAlgo);
 327         }
 328       }
 329
 330       // Fuse all objects and all tools.
 331       GeomShapePtr aFusedShape;
 332       if(aSolidsToFuse.size() == 1) {
 333         aFusedShape = aSolidsToFuse.front();
 334       } else if(aSolidsToFuse.size() > 1){
 335         anObjects.clear();
 336         anObjects.push_back(aSolidsToFuse.front());
 337         aSolidsToFuse.pop_front();
 338         aTools = aSolidsToFuse;
 339
 340         std::shared_ptr<GeomAlgoAPI_Boolean> aFuseAlgo(new GeomAlgoAPI_Boolean(anObjects,
 341                                                           aTools,
 342                                                           GeomAlgoAPI_Boolean::BOOL_FUSE));
 343
 344         // Checking that the algorithm worked properly.
 345         if(!aFuseAlgo->isDone() || aFuseAlgo->shape()->isNull() || !aFuseAlgo->isValid()) {
 346           myFeature->setError("Error: Boolean algorithm failed.");
 347           return false;
 348         }
 349
 350         aFusedShape = aFuseAlgo->shape();
 351         aMakeShapeList->appendAlgo(aFuseAlgo);
 352       }
 353
 354       // Combine result with not used solids from compsolid and edges and faces (if we have any).
 355       aShapesToAdd.insert(aShapesToAdd.end(), anEdgesAndFaces.begin(), anEdgesAndFaces.end());
 356       if(!aShapesToAdd.empty()) {
 357         if(aFusedShape.get()) {
 358           aShapesToAdd.push_back(aFusedShape);
 359         }
 360
 361         std::shared_ptr<GeomAlgoAPI_PaveFiller> aFillerAlgo(
 362           new GeomAlgoAPI_PaveFiller(aShapesToAdd, true));
 363         if(!aFillerAlgo->isDone() || aFillerAlgo->shape()->isNull() || !aFillerAlgo->isValid()) {
 364           myFeature->setError("Error: PaveFiller algorithm failed.");
 365           return false;
 366         }
 367
 368         aMakeShapeList->appendAlgo(aFillerAlgo);
 369       }
 370
 371       theMakeShapes.push_back(aMakeShapeList);
 372       break;
 373     }
 374   }
 375
 376   return true;
 377 }
 378
 379 //=================================================================================================
 380 void FeaturesPlugin_CompositeBoolean::storeModificationHistory(ResultBodyPtr theResultBody,
 381                                 const GeomShapePtr theObject,
 382                                 const ListOfShape& theTools,
 383                                 const std::shared_ptr<GeomAlgoAPI_MakeShape> theMakeShape)
 384 {
 385   ListOfShape aTools = theTools;
 386   aTools.push_back(theObject);
 387
 388   for(ListOfShape::const_iterator anIt = aTools.begin(); anIt != aTools.end(); anIt++) {
 389     theResultBody->loadModifiedShapes(theMakeShape, *anIt,
 390                                       (*anIt)->shapeType() == GeomAPI_Shape::EDGE ?
 391                                                               GeomAPI_Shape::EDGE :
 392                                                               GeomAPI_Shape::FACE);
 393   }
 394 }
 395
 396 //==================================================================================================
 397 void FeaturesPlugin_CompositeBoolean::storeDeletedShapes(
 398   std::vector<ResultBaseAlgo>& theResultBaseAlgoList,
 399   const ListOfShape& theTools,
 400   const GeomShapePtr theResultShapesCompound)
 401 {
 402   for (std::vector<ResultBaseAlgo>::iterator anIt = theResultBaseAlgoList.begin();
 403     anIt != theResultBaseAlgoList.end();
 404     ++anIt)
 405   {
 406     ResultBaseAlgo& aRCA = *anIt;
 407     aRCA.resultBody->loadDeletedShapes(aRCA.makeShape,
 408       aRCA.baseShape,
 409       GeomAPI_Shape::FACE,
 410       theResultShapesCompound);
 411
 412     for (ListOfShape::const_iterator anIter = theTools.begin(); anIter != theTools.end(); anIter++)
 413     {
 414       aRCA.resultBody->loadDeletedShapes(aRCA.makeShape,
 415         *anIter,
 416         GeomAPI_Shape::FACE,
 417         theResultShapesCompound);
 418     }
 419   }
 420 }