1 // Copyright (C) 2014-2022 CEA/DEN, EDF R&D
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "FeaturesPlugin_GlueFaces.h"
22 #include <ModelAPI_AttributeBoolean.h>
23 #include <ModelAPI_AttributeDouble.h>
24 #include <ModelAPI_AttributeSelectionList.h>
25 #include <ModelAPI_ResultBody.h>
26 #include <ModelAPI_ResultConstruction.h>
27 #include <ModelAPI_Session.h>
28 #include <ModelAPI_Validator.h>
29 #include <ModelAPI_Tools.h>
31 #include <GeomAPI_ShapeIterator.h>
32 #include <GeomAPI_ShapeExplorer.h>
34 #include <GeomAlgoAPI_CompoundBuilder.h>
35 #include <GeomAlgoAPI_GlueFaces.h>
36 #include <GeomAlgoAPI_ShapeTools.h>
37 #include <GeomAlgoAPI_Tools.h>
42 //==================================================================================================
43 FeaturesPlugin_GlueFaces::FeaturesPlugin_GlueFaces()
47 //==================================================================================================
48 void FeaturesPlugin_GlueFaces::initAttributes()
50 data()->addAttribute(OBJECTS_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
51 data()->addAttribute(TOLERANCE_ID(), ModelAPI_AttributeDouble::typeId());
52 data()->addAttribute(KEEP_NON_SOLIDS_ID(), ModelAPI_AttributeBoolean::typeId());
55 //==================================================================================================
56 void FeaturesPlugin_GlueFaces::execute()
58 // Collect all selected shapes into a single list of shapes
60 getOriginalShapes(OBJECTS_LIST_ID(), aShapes);
62 // Get all other feature arguments
63 double aTolerance = real(FeaturesPlugin_GlueFaces::TOLERANCE_ID())->value();
64 bool isKeepNonSolids = boolean(FeaturesPlugin_GlueFaces::KEEP_NON_SOLIDS_ID())->value();
66 std::shared_ptr<GeomAlgoAPI_GlueFaces> aGluingAlgo(new GeomAlgoAPI_GlueFaces(aShapes, aTolerance, isKeepNonSolids));
69 if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aGluingAlgo, getKind(), anError))
77 GeomShapePtr aResult = aGluingAlgo->shape();
79 if (!isGlued(aShapes, aResult))
81 static const std::string anError2 = "Error: No faces were glued.";
83 data()->execState(ModelAPI_ExecState::ModelAPI_StateDone);
85 setResultFromInput(aShapes);
89 if (aResult->isCompound()) {
90 aResult = GeomAlgoAPI_ShapeTools::groupSharedTopology(aResult);
92 // If the subshape of the compound is already a Compound or CompSolid,
93 // use that compound subshape as the result.
94 if (aResult->typeOfCompoundShapes() == GeomAPI_Shape::COMPSOLID) {
96 aResult = GeomAlgoAPI_ShapeTools::combineShapes(aResult, GeomAPI_Shape::COMPSOLID, aResults);
98 else if (aResult->typeOfCompoundShapes() == GeomAPI_Shape::COMPOUND) {
99 aResult = aResult->subShapes(GeomAPI_Shape::COMPOUND).front();
104 ResultBodyPtr aResultBody = document()->createBody(data(), anIndex);
105 aResultBody->storeModified(aShapes, aResult, aGluingAlgo);
107 // Ensure the result body is named after this feature
108 std::wstring aBaseName = feature(aResultBody)->data()->name();
109 std::wostringstream aNameStr;
110 aNameStr << aBaseName << "_" << (anIndex+1);
111 std::wstring aName = aNameStr.str();
112 aResultBody->data()->setName(aName);
114 setResult(aResultBody, anIndex);
117 //=================================================================================================
118 void FeaturesPlugin_GlueFaces::getOriginalShapes(const std::string& theAttributeName,
119 ListOfShape& theShapes)
121 // Collect all selections into a single list of shapes
122 AttributeSelectionListPtr aSelectionList = selectionList(theAttributeName);
123 for (int anIndex = 0; anIndex < aSelectionList->size(); ++anIndex)
125 AttributeSelectionPtr aSelection = aSelectionList->value(anIndex);
126 GeomShapePtr aShape = aSelection->value();
127 GeomShapePtr aContext = aSelection->context()->shape();
132 theShapes.push_back(aShape);
136 //=================================================================================================
137 bool FeaturesPlugin_GlueFaces::isGlued(const ListOfShape& theInputs,
138 const GeomShapePtr theResult)
140 if (!theResult.get())
143 // Consider the list of input shapes the same as the result, if
144 // * the total number of faces did NOT change.
145 int nbInputFaces = 0, nbInputEdges = 0;
146 for (ListOfShape::const_iterator anIt = theInputs.cbegin();
147 anIt != theInputs.cend();
150 GeomShapePtr aShape = *anIt;
153 nbInputFaces += aShape->subShapes(GeomAPI_Shape::FACE, true).size();
154 nbInputEdges += aShape->subShapes(GeomAPI_Shape::EDGE, true).size();
158 int nbResultFaces = 0, nbResultEdges = 0;
159 nbResultFaces = theResult->subShapes(GeomAPI_Shape::FACE, true).size();
160 nbResultEdges = theResult->subShapes(GeomAPI_Shape::EDGE, true).size();
161 return(0 < nbResultFaces && ((nbResultFaces < nbInputFaces) || (nbResultFaces == nbInputFaces && nbResultEdges < nbInputEdges)));
164 //=================================================================================================
165 void FeaturesPlugin_GlueFaces::setResultFromInput(const ListOfShape& theInputs)
167 GeomShapePtr aResult;
169 // Make sure the result will be a compound of the input shapes, if not already
170 if (theInputs.size() == 1 && theInputs.front().get() && theInputs.front()->isCompound())
172 aResult = theInputs.front();
176 aResult = GeomAlgoAPI_CompoundBuilder::compound(theInputs);
180 ResultBodyPtr aResultBody = document()->createBody(data(), anIndex);
181 aResultBody->store(aResult);
183 setResult(aResultBody, anIndex);