1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: Model_AttributeSelection.h
5 // Author: Mikhail PONIKAROV
7 #include "Model_AttributeSelection.h"
8 #include "Model_Application.h"
9 #include "Model_Events.h"
10 #include "Model_Data.h"
11 #include "Model_Document.h"
12 #include <ModelAPI_Feature.h>
13 #include <ModelAPI_ResultBody.h>
14 #include <ModelAPI_ResultConstruction.h>
15 #include <ModelAPI_CompositeFeature.h>
16 #include <GeomAPI_Shape.h>
17 #include <GeomAPI_PlanarEdges.h>
18 #include <Events_Error.h>
20 #include <TNaming_Selector.hxx>
21 #include <TNaming_NamedShape.hxx>
22 #include <TNaming_Tool.hxx>
23 #include <TNaming_Builder.hxx>
24 #include <TNaming_Localizer.hxx>
25 #include <TopoDS_Shape.hxx>
26 #include <TopoDS_Compound.hxx>
27 #include <TDataStd_IntPackedMap.hxx>
28 #include <TDataStd_Integer.hxx>
29 #include <TDataStd_UAttribute.hxx>
30 #include <TDataStd_Name.hxx>
31 #include <TopTools_MapOfShape.hxx>
32 #include <TopTools_IndexedMapOfShape.hxx>
33 #include <TopTools_MapIteratorOfMapOfShape.hxx>
34 #include <TopTools_ListOfShape.hxx>
35 #include <TopExp_Explorer.hxx>
36 #include <TDF_LabelMap.hxx>
37 #include <BRep_Tool.hxx>
38 #include <BRep_Builder.hxx>
39 #include <TopoDS_Edge.hxx>
42 #include <TColStd_MapOfTransient.hxx>
43 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
44 #include <TopTools_ListIteratorOfListOfShape.hxx>
45 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
47 #include <Precision.hxx>
48 #include <TDF_ChildIterator.hxx>
49 #include <TDF_ChildIDIterator.hxx>
50 #include <TDataStd_Name.hxx>
51 #include <TopAbs_ShapeEnum.hxx>
52 #include <TopoDS_Iterator.hxx>
53 #include <TNaming_Iterator.hxx>
55 //#define DEB_NAMING 1
57 #include <BRepTools.hxx>
59 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
60 /// (multiplied by the index of the edge)
61 static const int kSTART_VERTEX_DELTA = 1000000;
62 // identifier that there is simple reference: selection equals to context
63 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
64 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
66 // on this label is stored:
67 // TNaming_NamedShape - selected shape
68 // TNaming_Naming - topological selection information (for the body)
69 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
70 // TDataStd_Integer - type of the selected shape (for construction)
71 // TDF_Reference - from ReferenceAttribute, the context
73 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
74 const std::shared_ptr<GeomAPI_Shape>& theSubShape)
76 const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
77 bool isOldContext = theContext == myRef.value();
78 bool isOldShape = isOldContext &&
79 (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
80 if (isOldShape) return; // shape is the same, so context is also unchanged
81 // update the referenced object if needed
83 myRef.setValue(theContext);
85 // do noth use naming if selected shape is result shape itself, but not sub-shape
86 TDF_Label aSelLab = selectionLabel();
87 aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
88 aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
90 bool isDegeneratedEdge = false;
91 // do not use the degenerated edge as a shape, a null context and shape is used in the case
92 if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
93 const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
94 if (aSubShape.ShapeType() == TopAbs_EDGE)
95 isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
97 if (!theContext.get() || isDegeneratedEdge) {
98 // to keep the reference attribute label
99 TDF_Label aRefLab = myRef.myRef->Label();
100 aSelLab.ForgetAllAttributes(true);
101 myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
104 if (theContext->groupName() == ModelAPI_ResultBody::group()) {
105 // do not select the whole shape for body:it is already must be in the data framework
106 if (theContext->shape().get() && theContext->shape()->isEqual(theSubShape)) {
107 aSelLab.ForgetAllAttributes(true);
108 TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
110 selectBody(theContext, theSubShape);
112 } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
113 if (!theSubShape.get()) {
114 // to sub, so the whole result is selected
115 aSelLab.ForgetAllAttributes(true);
116 TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
118 selectConstruction(theContext, theSubShape);
121 //the attribute initialized state should be changed by sendAttributeUpdated only
122 //myIsInitialized = true;
124 owner()->data()->sendAttributeUpdated(this);
126 std::string aSelName = namingName();
127 if(!aSelName.empty())
128 TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
131 //selectSubShape("FACE", "Extrusion_1/LateralFace_3");
132 //selectSubShape("FACE", "Extrusion_1/TopFace");
133 //selectSubShape("EDGE", "Extrusion_1/TopFace|Extrusion_1/LateralFace_1");
134 //selectSubShape("EDGE", "Sketch_1/Edge_6");
138 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
140 std::shared_ptr<GeomAPI_Shape> aResult;
141 if (myRef.isInitialized()) {
142 TDF_Label aSelLab = selectionLabel();
143 if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
144 ResultPtr aContext = context();
146 return aResult; // empty result
147 return aContext->shape();
149 if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
150 return aResult; // empty result
153 Handle(TNaming_NamedShape) aSelection;
154 if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
155 TopoDS_Shape aSelShape = aSelection->Get();
156 aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
157 aResult->setImpl(new TopoDS_Shape(aSelShape));
158 } else { // for simple construction element: just shape of this construction element
159 ResultConstructionPtr aConstr =
160 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
162 return aConstr->shape();
169 bool Model_AttributeSelection::isInitialized()
171 if (ModelAPI_AttributeSelection::isInitialized()) { // additional checkings if it is initialized
172 std::shared_ptr<GeomAPI_Shape> aResult;
173 if (myRef.isInitialized()) {
174 TDF_Label aSelLab = selectionLabel();
175 if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
176 ResultPtr aContext = context();
177 return aContext.get();
179 if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
183 Handle(TNaming_NamedShape) aSelection;
184 if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
185 return !aSelection->Get().IsNull();
186 } else { // for simple construction element: just shape of this construction element
187 ResultConstructionPtr aConstr =
188 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
190 return aConstr->shape().get();
198 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
201 myIsInitialized = myRef.isInitialized();
204 void Model_AttributeSelection::setID(const std::string theID)
207 ModelAPI_AttributeSelection::setID(theID);
210 ResultPtr Model_AttributeSelection::context() {
211 return std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
215 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
217 ModelAPI_AttributeSelection::setObject(theObject);
218 myRef.setObject(theObject);
221 TDF_LabelMap& Model_AttributeSelection::scope()
223 if (myScope.IsEmpty()) { // create a new scope if not yet done
224 // gets all labels with named shapes that are bofore this feature label (before in history)
225 TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
226 owner()->data())->label().Father();
227 int aFeatureID = aFeatureLab.Tag();
228 TDF_ChildIterator aFeaturesIter(aFeatureLab.Father());
229 for(; aFeaturesIter.More(); aFeaturesIter.Next()) {
230 if (aFeaturesIter.Value().Tag() >= aFeatureID) // the left labels are created later
232 TDF_ChildIDIterator aNSIter(aFeaturesIter.Value(), TNaming_NamedShape::GetID(), 1);
233 for(; aNSIter.More(); aNSIter.Next()) {
234 Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
235 if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
236 myScope.Add(aNS->Label());
244 bool Model_AttributeSelection::update()
246 ResultPtr aContext = context();
247 if (!aContext.get()) return false;
248 TDF_Label aSelLab = selectionLabel();
249 if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
250 return aContext->shape() && !aContext->shape()->isNull();
252 if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
253 return aContext->shape() && !aContext->shape()->isNull();
256 if (aContext->groupName() == ModelAPI_ResultBody::group()) {
257 // body: just a named shape, use selection mechanism from OCCT
258 TNaming_Selector aSelector(aSelLab);
259 bool aResult = aSelector.Solve(scope()) == Standard_True;
260 owner()->data()->sendAttributeUpdated(this);
262 } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
263 // construction: identification by the results indexes, recompute faces and
264 // take the face that more close by the indexes
265 ResultConstructionPtr aConstructionContext =
266 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
267 FeaturePtr aContextFeature = aContext->document()->feature(aContext);
268 // sketch sub-element
269 if (aConstructionContext &&
270 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
272 TDF_Label aLab = myRef.myRef->Label();
273 // getting a type of selected shape
274 Handle(TDataStd_Integer) aTypeAttr;
275 if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
278 TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
279 // selected indexes will be needed in each "if"
280 Handle(TDataStd_IntPackedMap) aSubIds;
281 std::shared_ptr<GeomAPI_Shape> aNewSelected;
283 !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
284 // for now working only with composite features
285 CompositeFeaturePtr aComposite =
286 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
287 if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
291 if (aShapeType == TopAbs_FACE) { // compound is for the whole sketch selection
292 // If this is a wire with plane defined thin it is a sketch-like object
293 if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
295 // if there is no edges indexes, any face can be used: take the first
296 std::shared_ptr<GeomAPI_Shape> aNewSelected;
298 aNewSelected = aConstructionContext->face(0);
299 } else { // searching for most looks-like initial face by the indexes
300 // prepare edges of the current resut for the fast searching
301 TColStd_MapOfTransient allCurves;
302 const int aSubNum = aComposite->numberOfSubs();
303 for(int a = 0; a < aSubNum; a++) {
304 if (aSubIds->Contains(aComposite->subFeatureId(a))) {
305 FeaturePtr aSub = aComposite->subFeature(a);
306 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
307 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
308 for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
309 ResultConstructionPtr aConstr =
310 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
311 if (aConstr->shape() && aConstr->shape()->isEdge()) {
312 const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
313 TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
314 if (!anEdge.IsNull()) {
315 Standard_Real aFirst, aLast;
316 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
317 allCurves.Add(aCurve);
323 double aBestFound = 0; // best percentage of found edges
324 for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
325 int aFound = 0, aNotFound = 0;
326 TopExp_Explorer anEdgesExp(
327 aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>(), TopAbs_EDGE);
328 for(; anEdgesExp.More(); anEdgesExp.Next()) {
329 TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
330 if (!anEdge.IsNull()) {
331 Standard_Real aFirst, aLast;
332 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
333 if (allCurves.Contains(aCurve)) {
340 if (aFound + aNotFound != 0) {
341 double aPercentage = double(aFound) / double(aFound + aNotFound);
342 if (aPercentage > aBestFound) {
343 aBestFound = aPercentage;
344 aNewSelected = aConstructionContext->face(aFaceIndex);
349 if (aNewSelected) { // store this new selection
350 selectConstruction(aContext, aNewSelected);
351 owner()->data()->sendAttributeUpdated(this);
354 } else if (aShapeType == TopAbs_EDGE) {
355 // just reselect the edge by the id
356 const int aSubNum = aComposite->numberOfSubs();
357 for(int a = 0; a < aSubNum; a++) {
358 // if aSubIds take any, the first appropriate
359 if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
360 // found the appropriate feature
361 FeaturePtr aFeature = aComposite->subFeature(a);
362 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
363 aFeature->results().cbegin();
364 for(;aResIter != aFeature->results().cend(); aResIter++) {
365 ResultConstructionPtr aRes =
366 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
367 if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
368 selectConstruction(aContext, aRes->shape());
369 owner()->data()->sendAttributeUpdated(this);
375 } else if (aShapeType == TopAbs_VERTEX) {
376 // just reselect the vertex by the id of edge
377 const int aSubNum = aComposite->numberOfSubs();
378 for(int a = 0; a < aSubNum; a++) {
379 // if aSubIds take any, the first appropriate
380 int aFeatureID = aComposite->subFeatureId(a);
381 if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
382 aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
383 aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
384 // searching for deltas
386 if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
387 else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
388 // found the feature with appropriate edge
389 FeaturePtr aFeature = aComposite->subFeature(a);
390 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
391 aFeature->results().cbegin();
392 for(;aResIter != aFeature->results().cend(); aResIter++) {
393 ResultConstructionPtr aRes =
394 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
395 if (aRes && aRes->shape()) {
396 if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
397 selectConstruction(aContext, aRes->shape());
398 owner()->data()->sendAttributeUpdated(this);
400 } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
401 const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
403 for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
404 if (aVIndex == aVertexNum) { // found!
405 std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
406 aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
407 selectConstruction(aContext, aVertex);
408 owner()->data()->sendAttributeUpdated(this);
419 } else { // simple construction element: the selected is that needed
420 selectConstruction(aContext, aContext->shape());
421 owner()->data()->sendAttributeUpdated(this);
425 return false; // unknown case
429 void Model_AttributeSelection::selectBody(
430 const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
432 // perform the selection
433 TNaming_Selector aSel(selectionLabel());
434 TopoDS_Shape aContext;
436 ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
438 aContext = aBody->shape()->impl<TopoDS_Shape>();
441 std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
443 aContext = aResult->shape()->impl<TopoDS_Shape>();
445 Events_Error::send("A result with shape is expected");
449 TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
450 /// fix for issue 411: result modified shapes must not participate in this selection mechanism
452 FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
453 if (aFeatureOwner.get())
454 aFeatureOwner->eraseResults();
456 if (!aContext.IsNull()) {
457 aSel.Select(aNewShape, aContext);
461 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
462 /// if theID is zero,
463 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
464 const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
465 std::string theAdditionalName,
466 Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)())
468 TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
469 TNaming_Builder aBuilder(aLab);
470 aBuilder.Generated(theShape);
471 std::stringstream aName;
472 aName<<theContextFeature->name()<<"/";
473 if (!theAdditionalName.empty())
474 aName<<theAdditionalName<<"/";
475 if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
476 else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
477 else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
479 if (theRefs.IsNull()) {
481 } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
482 TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
483 for(; aRef.More(); aRef.Next()) {
484 aName<<"-"<<aRef.Key();
488 theDoc->addNamingName(aLab, aName.str());
489 TDataStd_Name::Set(aLab, aName.str().c_str());
492 void Model_AttributeSelection::selectConstruction(
493 const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
495 std::shared_ptr<Model_Document> aMyDoc =
496 std::dynamic_pointer_cast<Model_Document>(owner()->document());
497 FeaturePtr aContextFeature = theContext->document()->feature(theContext);
498 CompositeFeaturePtr aComposite =
499 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
500 const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
501 if (!aComposite || aComposite->numberOfSubs() == 0) {
502 // saving of context is enough: result construction contains exactly the needed shape
503 TNaming_Builder aBuilder(selectionLabel());
504 aBuilder.Generated(aSubShape);
505 aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
506 TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
509 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
510 TDF_Label aLab = myRef.myRef->Label();
511 // identify the reuslts of sub-object of the composite by edges
512 // save type of the selected shape in integer attribute
513 TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
514 TDataStd_Integer::Set(aLab, (int)aShapeType);
516 TColStd_MapOfTransient allCurves;
517 if (aShapeType == TopAbs_VERTEX) { // compare positions
518 aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
520 for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
521 TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
522 Standard_Real aFirst, aLast;
523 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
524 allCurves.Add(aCurve);
527 // iterate and store the result ids of sub-elements and sub-elements to sub-labels
528 Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
530 const int aSubNum = aComposite->numberOfSubs();
531 for(int a = 0; a < aSubNum; a++) {
532 FeaturePtr aSub = aComposite->subFeature(a);
533 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
534 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
535 // there may be many shapes (circle and center): register if at least one is in selection
536 for(; aRes != aResults.cend(); aRes++) {
537 ResultConstructionPtr aConstr =
538 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
539 if (!aConstr->shape()) {
542 if (aShapeType == TopAbs_VERTEX) {
543 if (aConstr->shape()->isVertex()) { // compare vertices positions
544 const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
545 gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
546 if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
547 aRefs->Add(aComposite->subFeatureId(a));
549 } else { // get first or last vertex of the edge: last is stored with negative sign
550 const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
551 int aDelta = kSTART_VERTEX_DELTA;
552 for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
553 gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
554 if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
555 aRefs->Add(aDelta + aComposite->subFeatureId(a));
558 aDelta += kSTART_VERTEX_DELTA;
562 if (aConstr->shape()->isEdge()) {
563 const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
564 TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
565 if (!anEdge.IsNull()) {
566 Standard_Real aFirst, aLast;
567 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
568 if (allCurves.Contains(aCurve)) {
569 int anID = aComposite->subFeatureId(a);
571 if (aShapeType != TopAbs_EDGE) { // edge do not need the sub-edges on sub-labels
572 // add edges to sub-label to support naming for edges selection
573 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
574 for(; anEdgeExp.More(); anEdgeExp.Next()) {
575 TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
576 Standard_Real aFirst, aLast;
577 Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
578 if (aFaceCurve == aCurve) {
579 registerSubShape(selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "");
582 } else { // put vertices of the selected edge to sub-labels
583 // add edges to sub-label to support naming for edges selection
584 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
585 int aTagIndex = anID + kSTART_VERTEX_DELTA;
586 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
587 TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
589 std::stringstream anAdditionalName;
590 registerSubShape(selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc,
600 // store the selected as primitive
601 TNaming_Builder aBuilder(selectionLabel());
602 aBuilder.Generated(aSubShape);
603 registerSubShape(selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", aRefs);
606 TDF_Label Model_AttributeSelection::selectionLabel()
608 return myRef.myRef->Label().FindChild(1);
612 std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape,
613 const TDF_Label& theLabel)
616 // check if the subShape is already in DF
617 Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
618 Handle(TDataStd_Name) anAttr;
619 if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document
620 if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
621 aName = TCollection_AsciiString(anAttr->Get()).ToCString();
623 const TDF_Label& aLabel = theDoc->findNamingName(aName);
624 /* MPV: the same shape with the same name may be duplicated on different labels (selection of the same construction object)
625 if(!aLabel.IsEqual(aNS->Label())) {
626 //aName.erase(); //something is wrong, to be checked!!!
627 aName += "_SomethingWrong";
631 static const std::string aPostFix("_");
632 TNaming_Iterator anItL(aNS);
633 for(int i = 1; anItL.More(); anItL.Next(), i++) {
634 if(anItL.NewShape() == theShape) {
636 aName += TCollection_AsciiString (i).ToCString();
640 /* MPV: the code below does not work because of TNaming_Tool.cxx line 145: aNS->Get() uses maps
641 const TopoDS_Shape& aShape = aNS->Get();
642 if(aShape.ShapeType() == TopAbs_COMPOUND) {
643 std::string aPostFix("_");
644 TopoDS_Iterator it(aShape);
645 for (int i = 1;it.More();it.Next(), i++) {
646 if(it.Value() == theShape) {
647 aPostFix += TCollection_AsciiString (i).ToCString();
661 bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
663 // a trivial case: F1 & F2, aNumber = 1, i.e. intersection gives 1 edge.
664 TopoDS_Compound aCmp;
666 BB.MakeCompound(aCmp);
667 TopTools_ListIteratorOfListOfShape it(theAncestors);
668 for(;it.More();it.Next()) {
669 BB.Add(aCmp, it.Value());
670 theSMap.Add(it.Value());
673 TopTools_IndexedDataMapOfShapeListOfShape aMap2;
674 TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
675 for (int i = 1; i <= aMap2.Extent(); i++) {
676 const TopoDS_Shape& aKey = aMap2.FindKey(i);
677 const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
678 if(anAncestors.Extent() > 1) aNumber++;
680 if(aNumber > 1) return false;
683 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
685 std::string aName("");
686 if(!this->isInitialized())
687 return !theDefaultName.empty() ? theDefaultName : aName;
688 Handle(TDataStd_Name) anAtt;
689 if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
690 aName = TCollection_AsciiString(anAtt->Get()).ToCString();
694 std::shared_ptr<GeomAPI_Shape> aSubSh = value();
695 ResultPtr aCont = context();
696 aName = "Undefined name";
697 if(!aCont.get() || aCont->shape()->isNull())
698 return !theDefaultName.empty() ? theDefaultName : aName;
699 if (!aSubSh.get() || aSubSh->isNull()) { // no subshape, so just the whole feature name
700 return aCont->data()->name();
702 TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
703 TopoDS_Shape aContext = aCont->shape()->impl<TopoDS_Shape>();
705 if(aSubShape.ShapeType() == TopAbs_COMPOUND) {
706 BRepTools::Write(aSubShape, "Selection.brep");
707 BRepTools::Write(aContext, "Context.brep");
710 std::shared_ptr<Model_Document> aDoc =
711 std::dynamic_pointer_cast<Model_Document>(aCont->document());
713 // check if the subShape is already in DF
714 aName = GetShapeName(aDoc, aSubShape, selectionLabel());
715 if(aName.empty() ) { // not in the document!
716 TopAbs_ShapeEnum aType = aSubShape.ShapeType();
719 // the Face should be in DF. If it is not the case, it is an error ==> to be debugged
723 // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
724 // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
725 if (BRep_Tool::Degenerated(TopoDS::Edge(aSubShape))) {
726 aName = "Degenerated_Edge";
729 TopTools_IndexedDataMapOfShapeListOfShape aMap;
730 TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
731 TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
732 bool isTrivialCase(true);
733 /* for (int i = 1; i <= aMap.Extent(); i++) {
734 const TopoDS_Shape& aKey = aMap.FindKey(i);
735 //if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
736 if (aKey.IsSame(aSubShape)) continue;
737 const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
738 // check that it is not a trivial case (F1 & F2: aNumber = 1)
739 isTrivialCase = isTrivial(anAncestors, aSMap);
742 if(aMap.Contains(aSubShape)) {
743 const TopTools_ListOfShape& anAncestors = aMap.FindFromKey(aSubShape);
744 // check that it is not a trivial case (F1 & F2: aNumber = 1)
745 isTrivialCase = isTrivial(anAncestors, aSMap);
748 TopTools_ListOfShape aListOfNbs;
749 if(!isTrivialCase) { // find Neighbors
750 TNaming_Localizer aLocalizer;
751 TopTools_MapOfShape aMap3;
752 aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
753 //int n = aMap3.Extent();
754 TopTools_MapIteratorOfMapOfShape it(aMap3);
755 for(;it.More();it.Next()) {
756 const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
757 //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
758 const TopTools_ListOfShape& aList = aMap.FindFromKey(aNbShape);
759 TopTools_ListIteratorOfListOfShape it2(aList);
760 for(;it2.More();it2.Next()) {
761 if(aSMap.Contains(it2.Value())) continue; // skip this Face
762 aListOfNbs.Append(it2.Value());
765 } // else a trivial case
767 // build name of the sub-shape Edge
768 for(int i=1; i <= aSMap.Extent(); i++) {
769 const TopoDS_Shape& aFace = aSMap.FindKey(i);
770 std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
774 aName += "|" + aFaceName;
776 TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
777 for (;itl.More();itl.Next()) {
778 std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
779 aName += "|" + aFaceName;
785 // name structure (Monifold Topology):
786 // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
787 // 2) F1 | F2 | F3 [|F4 [|Fn]] - redundant definition, but it should be kept as is to obtain safe recomputation
788 // 2) F1 | F2 - intersection of 2 faces definses a vertex - applicable for case
789 // when 1 faces is cylindrical, conical, spherical or revolution and etc.
790 // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
791 // or compound of 2 open faces.
792 // 4) E1 | E2 - intesection of 2 edges defines a vertex - when we have a case of
793 // two independent edges (wire or compound)
794 // implemented 2 first cases
796 TopTools_IndexedDataMapOfShapeListOfShape aMap;
797 TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
798 const TopTools_ListOfShape& aList2 = aMap.FindFromKey(aSubShape);
799 TopTools_ListOfShape aList;
800 TopTools_MapOfShape aFMap;
802 //int n = aList2.Extent(); //bug! duplication
804 TopTools_ListIteratorOfListOfShape itl2(aList2);
805 for (int i = 1;itl2.More();itl2.Next(),i++) {
806 if(aFMap.Add(itl2.Value()))
807 aList.Append(itl2.Value());
809 //n = aList.Extent();
811 int n = aList.Extent();
812 if(n < 3) { // open topology case or Compound case => via edges
813 TopTools_IndexedDataMapOfShapeListOfShape aMap;
814 TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_EDGE, aMap);
815 const TopTools_ListOfShape& aList22 = aMap.FindFromKey(aSubShape);
816 if(aList22.Extent() >= 2) { // regular solution
819 // bug! duplication; fix is below
821 TopTools_ListOfShape aListE;
822 TopTools_ListIteratorOfListOfShape itl2(aList22);
823 for (int i = 1;itl2.More();itl2.Next(),i++) {
824 if(aFMap.Add(itl2.Value()))
825 aListE.Append(itl2.Value());
829 TopTools_ListIteratorOfListOfShape itl(aListE);
830 for (int i = 1;itl.More();itl.Next(),i++) {
831 const TopoDS_Shape& anEdge = itl.Value();
832 std::string anEdgeName = GetShapeName(aDoc, anEdge, selectionLabel());
836 aName += "|" + anEdgeName;
839 else { // dangle vertex: if(aList22.Extent() == 1)
840 //it should be already in DF
844 TopTools_ListIteratorOfListOfShape itl(aList);
845 for (int i = 1;itl.More();itl.Next(),i++) {
846 const TopoDS_Shape& aFace = itl.Value();
847 std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
851 aName += "|" + aFaceName;
858 // aDoc->addNamingName(selectionLabel(), aName);
859 // the selected sub-shape will not be shared and as result it will not require registration
864 TopAbs_ShapeEnum translateType (const std::string& theType)
866 // map from the textual shape types to OCCT enumeration
867 static std::map<std::string, TopAbs_ShapeEnum> MyShapeTypes;
868 if (MyShapeTypes.size() == 0) {
869 MyShapeTypes["face"] = TopAbs_FACE;
870 MyShapeTypes["faces"] = TopAbs_FACE;
871 MyShapeTypes["vertex"] = TopAbs_VERTEX;
872 MyShapeTypes["vertices"] = TopAbs_VERTEX;
873 MyShapeTypes["wire"] = TopAbs_WIRE;
874 MyShapeTypes["edge"] = TopAbs_EDGE;
875 MyShapeTypes["edges"] = TopAbs_EDGE;
876 MyShapeTypes["shell"] = TopAbs_SHELL;
877 MyShapeTypes["solid"] = TopAbs_SOLID;
878 MyShapeTypes["solids"] = TopAbs_SOLID;
879 MyShapeTypes["FACE"] = TopAbs_FACE;
880 MyShapeTypes["FACES"] = TopAbs_FACE;
881 MyShapeTypes["VERTEX"] = TopAbs_VERTEX;
882 MyShapeTypes["VERTICES"] = TopAbs_VERTEX;
883 MyShapeTypes["WIRE"] = TopAbs_WIRE;
884 MyShapeTypes["EDGE"] = TopAbs_EDGE;
885 MyShapeTypes["EDGES"] = TopAbs_EDGE;
886 MyShapeTypes["SHELL"] = TopAbs_SHELL;
887 MyShapeTypes["SOLID"] = TopAbs_SOLID;
888 MyShapeTypes["SOLIDS"] = TopAbs_SOLID;
890 if (MyShapeTypes.find(theType) != MyShapeTypes.end())
891 return MyShapeTypes[theType];
892 Events_Error::send("Shape type defined in XML is not implemented!");
896 const TopoDS_Shape getShapeFromNS(
897 const std::string& theSubShapeName, Handle(TNaming_NamedShape) theNS)
899 TopoDS_Shape aSelection;
900 std::string::size_type n = theSubShapeName.rfind('/');
901 if (n == std::string::npos) n = 0;
902 std::string aSubString = theSubShapeName.substr(n + 1);
903 n = aSubString.rfind('_');
904 if (n == std::string::npos) return aSelection;
905 aSubString = aSubString.substr(n+1);
906 int indx = atoi(aSubString.c_str());
908 TNaming_Iterator anItL(theNS);
909 for(int i = 1; anItL.More(); anItL.Next(), i++) {
911 return anItL.NewShape();
917 const TopoDS_Shape findFaceByName(
918 const std::string& theSubShapeName, std::shared_ptr<Model_Document> theDoc)
921 std::string::size_type n, nb = theSubShapeName.rfind('/');
922 if (nb == std::string::npos) nb = 0;
923 std::string aSubString = theSubShapeName.substr(nb + 1);
924 n = aSubString.rfind('_');
925 if (n != std::string::npos) {
926 std::string aSubStr2 = aSubString.substr(0, n);
927 aSubString = theSubShapeName.substr(0, nb + 1);
928 aSubString = aSubString + aSubStr2;
930 aSubString = theSubShapeName;
932 const TDF_Label& aLabel = theDoc->findNamingName(aSubString);
933 if(aLabel.IsNull()) return aFace;
934 Handle(TNaming_NamedShape) aNS;
935 if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
936 aFace = getShapeFromNS(theSubShapeName, aNS);
941 int ParseName(const std::string& theSubShapeName, std::list<std::string>& theList)
943 std::string aName = theSubShapeName;
944 std::string aLastName;
945 int n1(0), n2(0); // n1 - start position, n2 - position of the delimiter
946 while ((n2 = aName.find('|', n1)) != std::string::npos) {
947 const std::string aName1 = aName.substr(n1, n2 - n1); //name of face
948 theList.push_back(aName1);
950 aLastName = aName.substr(n1);
952 if(!aLastName.empty())
953 theList.push_back(aLastName);
954 return theList.size();
957 const TopoDS_Shape findCommonShape(
958 const TopAbs_ShapeEnum theType, const TopTools_ListOfShape& theList)
961 std::vector<TopTools_MapOfShape> aVec;
962 TopTools_MapOfShape aMap1, aMap2, aMap3, aMap4;
963 if(theList.Extent() > 1) {
964 aVec.push_back(aMap1);
965 aVec.push_back(aMap2);
967 if(theList.Extent() > 2)
968 aVec.push_back(aMap3);
969 if(theList.Extent() == 4)
970 aVec.push_back(aMap4);
973 TopTools_ListIteratorOfListOfShape it(theList);
974 for(int i = 0;it.More();it.Next(),i++) {
975 const TopoDS_Shape& aFace = it.Value();
977 TopExp_Explorer anExp (aFace, theType);
978 for(;anExp.More();anExp.Next()) {
979 const TopoDS_Shape& anEdge = anExp.Current();
980 if (!anEdge.IsNull())
981 aVec[i].Add(anExp.Current());
984 TopExp_Explorer anExp (aFace, TopAbs_VERTEX);
985 for(;anExp.More();anExp.Next()) {
986 const TopoDS_Shape& aVertex = anExp.Current();
987 if (!aVertex.IsNull())
988 aVec[i].Add(anExp.Current());
992 //trivial case: 2 faces
993 TopTools_ListOfShape aList;
994 TopTools_MapIteratorOfMapOfShape it2(aVec[0]);
995 for(;it2.More();it2.Next()) {
996 if(aVec[1].Contains(it2.Key())) {
998 if(theList.Extent() == 2)
1001 aList.Append(it2.Key());
1004 if(aList.Extent() && aVec.size() > 3) {// list of common edges ==> search ny neighbors
1005 if(aVec[2].Extent() && aVec[3].Extent()) {
1006 TopTools_ListIteratorOfListOfShape it(aList);
1007 for(;it.More();it.Next()) {
1008 const TopoDS_Shape& aCand = it.Value();
1009 // not yet completelly implemented, to be rechecked
1010 TopoDS_Vertex aV1, aV2;
1011 TopExp::Vertices(TopoDS::Edge(aCand), aV1, aV2);
1013 if(aVec[2].Contains(aV1)) aNum++;
1014 else if(aVec[2].Contains(aV2)) aNum++;
1015 if(aVec[3].Contains(aV1)) aNum++;
1016 else if(aVec[3].Contains(aV2)) aNum++;
1025 if(aList.Extent() && aVec.size() == 3) {
1027 TopTools_ListIteratorOfListOfShape it(aList);
1028 for(;it.More();it.Next()) {
1029 const TopoDS_Shape& aCand = it.Value();
1030 if(aVec[2].Contains(aCand)) {
1039 std::string getContextName(const std::string& theSubShapeName)
1042 std::string::size_type n = theSubShapeName.find('/');
1043 if (n == std::string::npos) return aName;
1044 aName = theSubShapeName.substr(0, n);
1047 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
1048 void Model_AttributeSelection::selectSubShape(
1049 const std::string& theType, const std::string& theSubShapeName)
1051 if(theSubShapeName.empty() || theType.empty()) return;
1052 TopAbs_ShapeEnum aType = translateType(theType);
1053 std::shared_ptr<Model_Document> aDoc =
1054 std::dynamic_pointer_cast<Model_Document>(owner()->document());
1055 std::string aContName = getContextName(theSubShapeName);
1056 if(aContName.empty()) return;
1057 //ResultPtr aCont = context();
1058 ResultPtr aCont = aDoc->findByName(aContName);
1059 if(!aCont.get() || aCont->shape()->isNull()) return;
1060 TopoDS_Shape aContext = aCont->shape()->impl<TopoDS_Shape>();
1061 TopAbs_ShapeEnum aContType = aContext.ShapeType();
1062 if(aType <= aContType) return; // not applicable
1065 TopoDS_Shape aSelection;
1068 case TopAbs_COMPOUND:
1070 case TopAbs_COMPSOLID:
1078 const TopoDS_Shape aSelection = findFaceByName(theSubShapeName, aDoc);
1079 if(!aSelection.IsNull()) {// Select it
1080 std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1081 aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1082 setValue(aCont, aShapeToBeSelected);
1090 TopoDS_Shape aSelection;// = findFaceByName(theSubShapeName, aDoc);
1091 const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1092 if(!aLabel.IsNull()) {
1093 Handle(TNaming_NamedShape) aNS;
1094 if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1095 aSelection = getShapeFromNS(theSubShapeName, aNS);
1098 if(aSelection.IsNull()) {
1099 std::list<std::string> aListofNames;
1100 int n = ParseName(theSubShapeName, aListofNames);
1101 if(n > 1 && n < 5) {
1102 TopTools_ListOfShape aList;
1103 std::list<std::string>::iterator it =aListofNames.begin();
1104 for(;it != aListofNames.end();it++){
1105 const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1106 aList.Append(aFace);
1108 aSelection = findCommonShape(TopAbs_EDGE, aList);
1111 if(!aSelection.IsNull()) {// Select it
1112 std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1113 aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1114 setValue(aCont, aShapeToBeSelected);
1120 TopoDS_Shape aSelection;
1121 const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1122 if(!aLabel.IsNull()) {
1123 Handle(TNaming_NamedShape) aNS;
1124 if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1125 aSelection = getShapeFromNS(theSubShapeName, aNS);
1128 if(aSelection.IsNull()) {
1129 std::list<std::string> aListofNames;
1130 int n = ParseName(theSubShapeName, aListofNames);
1131 if(n > 1 && n < 4) { // 2 || 3
1132 TopTools_ListOfShape aList;
1133 std::list<std::string>::iterator it = aListofNames.begin();
1134 for(; it != aListofNames.end(); it++){
1135 const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1137 aList.Append(aFace);
1139 aSelection = findCommonShape(TopAbs_VERTEX, aList);
1142 if(!aSelection.IsNull()) {// Select it
1143 std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1144 aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1145 setValue(aCont, aShapeToBeSelected);
1149 default: //TopAbs_SHAPE
1155 int Model_AttributeSelection::Id()
1157 std::shared_ptr<GeomAPI_Shape> aSelection = value();
1158 std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
1159 const TopoDS_Shape& aMainShape = aContext->impl<TopoDS_Shape>();
1160 const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1162 if (aSelection && !aSelection->isNull() &&
1163 aContext && !aContext->isNull())
1165 TopTools_IndexedMapOfShape aSubShapesMap;
1166 TopExp::MapShapes(aMainShape, aSubShapesMap);
1167 anID = aSubShapesMap.FindIndex(aSubShape);