-// File: GeomAlgoAPI_Boolean.cpp
-// Created: 02 Sept 2014
-// Author: Vitaly Smetannikov
+// Copyright (C) 2014-2021 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 "GeomAlgoAPI_Boolean.h"
-#include <BRepAlgoAPI_Cut.hxx>
+#include <GeomAlgoAPI_DFLoader.h>
+#include <GeomAlgoAPI_ShapeTools.h>
+#include <BOPAlgo_BOP.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <TopExp_Explorer.hxx>
-boost::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_Boolean::makeCut(
- boost::shared_ptr<GeomAPI_Shape> theShape,
- boost::shared_ptr<GeomAPI_Shape> theTool)
+//=================================================================================================
+GeomAlgoAPI_Boolean::GeomAlgoAPI_Boolean(const GeomShapePtr theObject,
+ const GeomShapePtr theTool,
+ const GeomAlgoAPI_Tools::BOPType theOperationType)
{
- const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
- const TopoDS_Shape& aTool = theTool->impl<TopoDS_Shape>();
+ ListOfShape aListWithObject, aListWithTool;
+ aListWithObject.push_back(theObject);
+ aListWithTool.push_back(theTool);
+ build(aListWithObject, aListWithTool, theOperationType);
+}
+
+//=================================================================================================
+GeomAlgoAPI_Boolean::GeomAlgoAPI_Boolean(const GeomShapePtr theObject,
+ const ListOfShape& theTools,
+ const GeomAlgoAPI_Tools::BOPType theOperationType)
+{
+ ListOfShape aListWithObject;
+ aListWithObject.push_back(theObject);
+ build(aListWithObject, theTools, theOperationType);
+}
+
+//=================================================================================================
+GeomAlgoAPI_Boolean::GeomAlgoAPI_Boolean(const ListOfShape& theObjects,
+ const ListOfShape& theTools,
+ const GeomAlgoAPI_Tools::BOPType theOperationType)
+{
+ build(theObjects, theTools, theOperationType);
+}
+
+
+//=================================================================================================
+void GeomAlgoAPI_Boolean::build(const ListOfShape& theObjects,
+ const ListOfShape& theTools,
+ const GeomAlgoAPI_Tools::BOPType theOperationType)
+{
+ if(theObjects.empty() || theTools.empty()) {
+ return;
+ }
+
+ // Getting objects.
+ TopTools_ListOfShape anObjects;
+ for(ListOfShape::const_iterator
+ anObjectsIt = theObjects.begin(); anObjectsIt != theObjects.end(); anObjectsIt++)
+ {
+ anObjects.Append((*anObjectsIt)->impl<TopoDS_Shape>());
+ }
+
+ // Getting tools.
+ TopTools_ListOfShape aTools;
+ for(ListOfShape::const_iterator
+ aToolsIt = theTools.begin(); aToolsIt != theTools.end(); aToolsIt++)
+ {
+ aTools.Append((*aToolsIt)->impl<TopoDS_Shape>());
+ }
+
+ // Creating boolean operation.
+ BOPAlgo_BOP* aBuilder = new BOPAlgo_BOP();
+ switch (theOperationType) {
+ case GeomAlgoAPI_Tools::BOOL_CUT: {
+ aBuilder->SetOperation(BOPAlgo_CUT);
+ break;
+ }
+ case GeomAlgoAPI_Tools::BOOL_FUSE: {
+ aBuilder->SetOperation(BOPAlgo_FUSE);
+ break;
+ }
+ case GeomAlgoAPI_Tools::BOOL_COMMON: {
+ aBuilder->SetOperation(BOPAlgo_COMMON);
+ break;
+ }
+ default: {
+ return;
+ }
+ }
+ this->setImpl(aBuilder);
+ this->setBuilderType(OCCT_BOPAlgo_Builder);
+ aBuilder->SetArguments(anObjects);
+ aBuilder->SetTools(aTools);
- BRepAlgoAPI_Cut aCut(aShape, aTool);
- if (aCut.IsDone()) {
- boost::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape());
- aResult->setImpl(new TopoDS_Shape(aCut.Shape()));
- return aResult;
+ // Set parallel processing mode (default is false)
+ Standard_Boolean bRunParallel = Standard_True;
+ aBuilder->SetRunParallel(bRunParallel);
+
+ // Set fuzzy value to eliminate thin results
+ static const Standard_Real aFuzzy = 1.e-5;
+ aBuilder->SetFuzzyValue(aFuzzy);
+
+ // Building and getting result.
+ aBuilder->Perform();
+ if (aBuilder->HasErrors())
+ return;
+ TopoDS_Shape aResult = aBuilder->Shape();
+
+ if(aResult.ShapeType() == TopAbs_COMPOUND) {
+ aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
+ }
+ if(aResult.ShapeType() == TopAbs_COMPOUND) {
+ std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
+ aGeomShape->setImpl(new TopoDS_Shape(aResult));
+ ListOfShape aResults;
+ aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
+ GeomAPI_Shape::COMPSOLID,
+ aResults);
+ aResult = aGeomShape->impl<TopoDS_Shape>();
+ }
+
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aResult));
+ this->setShape(aShape);
+ this->setDone(true);
+}
+
+static bool isHistoryType(TopAbs_ShapeEnum theType) {
+ return theType == TopAbs_VERTEX || theType == TopAbs_EDGE ||
+ theType == TopAbs_FACE || theType == TopAbs_SOLID;
+}
+
+/// searches the corresponding result for theOld
+static void searchResult(const TopoDS_Shape& theOld, const TopoDS_Shape& theResult,
+ BOPAlgo_BOP* theBuilder, TopTools_MapOfShape& theNews)
+{
+ if (theResult.ShapeType() == theOld.ShapeType()) { // check some sub-shape produces a sub-result
+ if (theOld.IsSame(theResult)) {
+ theNews.Add(theResult);
+ return;
+ }
+ // searching for new result by sub-shapes of aSubType type
+ TopAbs_ShapeEnum aSubType = TopAbs_ShapeEnum(int(theOld.ShapeType()) + 1);
+ while(aSubType < TopAbs_VERTEX && !isHistoryType(aSubType))
+ aSubType = TopAbs_ShapeEnum(int(aSubType) + 1);
+ if (aSubType == TopAbs_SHAPE)
+ return;
+ TopTools_MapOfShape aResSubs;
+ for(TopExp_Explorer aResExp(theResult, aSubType); aResExp.More(); aResExp.Next())
+ aResSubs.Add(aResExp.Current());
+ for(TopExp_Explorer anExp(theOld, aSubType); anExp.More(); anExp.Next()) {
+ const TopTools_ListOfShape& aNewSubs = theBuilder->Modified(anExp.Current());
+ // searching for this new sub in theResult
+ for(TopTools_ListIteratorOfListOfShape aNewSub(aNewSubs); aNewSub.More(); aNewSub.Next()) {
+ if (aResSubs.Contains(aNewSub.Value())) {
+ theNews.Add(theResult);
+ return;
+ }
+ }
+ }
+ } else if (theResult.ShapeType() < theOld.ShapeType()) { // recursive search among sub-shapes
+ for(TopoDS_Iterator aSubResults(theResult); aSubResults.More(); aSubResults.Next()) {
+ searchResult(theOld, aSubResults.Value(), theBuilder, theNews);
+ }
+ }
+}
+
+// check the shape is on the higher level of compound or compsolid
+bool isInComp(const TopoDS_Shape& theComp, const TopoDS_Shape& theShape) {
+ if (theComp.ShapeType() == TopAbs_COMPOUND || theComp.ShapeType() == TopAbs_COMPSOLID) {
+ for(TopoDS_Iterator anIter(theComp); anIter.More(); anIter.Next()) {
+ if (isInComp(anIter.Value(), theShape))
+ return true;
+ }
+ } else return theShape.IsSame(theComp);
+ return false;
+}
+
+//=================================================================================================
+/// make arguments of Fuse produce result shapes with "modified" evolution
+void GeomAlgoAPI_Boolean::modified(const GeomShapePtr theOldShape, ListOfShape& theNewShapes)
+{
+ BOPAlgo_BOP* aBuilder = this->implPtr<BOPAlgo_BOP>();
+ if (aBuilder->Operation() == BOPAlgo_FUSE) { // only for fuse and when old is and argument
+ TopoDS_Shape anOld = theOldShape->impl<TopoDS_Shape>();
+ bool isOldComp = anOld.ShapeType() == TopAbs_COMPOUND || anOld.ShapeType() == TopAbs_COMPSOLID;
+ bool aFound = false;
+ TopTools_ListIteratorOfListOfShape anIter(aBuilder->Arguments());
+ for(; !aFound && anIter.More(); anIter.Next())
+ aFound = anOld.IsSame(anIter.Value()) || (!isOldComp && isInComp(anIter.Value(), anOld));
+ for(anIter.Initialize(aBuilder->Tools()); !aFound && anIter.More(); anIter.Next())
+ aFound = anOld.IsSame(anIter.Value()) || (!isOldComp && isInComp(anIter.Value(), anOld));
+ if (aFound) {
+ TopoDS_Shape aResult = aBuilder->Shape();
+ TopTools_MapOfShape aNewsMap;
+ searchResult(anOld, aResult, aBuilder, aNewsMap);
+ if (!aNewsMap.IsEmpty()) {
+ for(TopTools_MapIteratorOfMapOfShape aNewsIter(aNewsMap);
+ aNewsIter.More(); aNewsIter.Next())
+ {
+ GeomShapePtr aShape(new GeomAPI_Shape);
+ aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewsIter.Value()));
+ theNewShapes.push_back(aShape);
+ }
+ return;
+ }
+ }
}
- return boost::shared_ptr<GeomAPI_Shape>();
+ GeomAlgoAPI_MakeShape::modified(theOldShape, theNewShapes); // default behavior
}