1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: PartSet_Validators.cpp
4 // Created: 09 July 2014
5 // Author: Vitaly SMETANNIKOV
7 #include "PartSet_Validators.h"
9 #include "PartSet_Tools.h"
10 #include "PartSet_SketcherMgr.h"
13 #include <TopoDS_Edge.hxx>
14 #include <BRep_Tool.hxx>
15 #include <GeomAdaptor_Curve.hxx>
16 #include <GeomAbs_CurveType.hxx>
17 #include <ModuleBase_ISelection.h>
18 #include <ModuleBase_WidgetShapeSelector.h>
19 #include <ModuleBase_OperationFeature.h>
20 #include <ModuleBase_ViewerPrs.h>
22 #include <Events_InfoMessage.h>
24 #include <ModelAPI_AttributeRefAttr.h>
25 #include <ModelAPI_AttributeSelection.h>
26 #include <ModelAPI_AttributeReference.h>
27 #include <ModelAPI_AttributeSelectionList.h>
28 #include <ModelAPI_AttributeRefList.h>
29 #include <ModelAPI_Object.h>
30 #include <ModelAPI_Session.h>
31 #include <ModelAPI_Tools.h>
33 #include <SketchPlugin_Sketch.h>
34 #include <SketchPlugin_ConstraintCoincidence.h>
35 #include <SketchPlugin_Arc.h>
36 #include <GeomAPI_Edge.h>
43 int shapesNbPoints(const ModuleBase_ISelection* theSelection)
45 QList<ModuleBase_ViewerPrsPtr> aList = theSelection->getSelected(ModuleBase_ISelection::Viewer);
46 ModuleBase_ISelection::filterSelectionOnEqualPoints(aList);
49 foreach (ModuleBase_ViewerPrsPtr aPrs, aList) {
50 const GeomShapePtr& aShape = aPrs->shape();
51 if (aShape.get() && !aShape->isNull()) {
52 if (aShape->shapeType() == GeomAPI_Shape::VERTEX)
59 int shapesNbLines(const ModuleBase_ISelection* theSelection)
61 QList<ModuleBase_ViewerPrsPtr> aList = theSelection->getSelected(ModuleBase_ISelection::Viewer);
63 foreach(ModuleBase_ViewerPrsPtr aPrs, aList) {
64 const GeomShapePtr& aShape = aPrs->shape();
65 if (aShape.get() && !aShape->isNull()) {
66 if (aShape->shapeType() == GeomAPI_Shape::EDGE) {
67 const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
68 TopoDS_Edge aEdge = TopoDS::Edge(aTDShape);
69 Standard_Real aStart, aEnd;
70 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aEdge, aStart, aEnd);
71 GeomAdaptor_Curve aAdaptor(aCurve);
72 if (aAdaptor.GetType() == GeomAbs_Line)
81 std::shared_ptr<GeomAPI_Pln> sketcherPlane(ModuleBase_Operation* theOperation)
83 std::shared_ptr<GeomAPI_Pln> aEmptyPln;
85 ModuleBase_OperationFeature* aFeatureOp =
86 dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
88 CompositeFeaturePtr aFeature =
89 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeatureOp->feature());
90 if (aFeature && (aFeature->getKind() == SketchPlugin_Sketch::ID()))
91 return PartSet_Tools::sketchPlane(aFeature);
98 bool isEmptySelectionValid(ModuleBase_Operation* theOperation)
100 ModuleBase_OperationFeature* aFeatureOp =
101 dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
102 // during the create operation empty selection is always valid
103 if (!aFeatureOp->isEditOperation()) {
107 if (PartSet_SketcherMgr::isSketchOperation(aFeatureOp)) {
108 std::shared_ptr<GeomAPI_Pln> aPlane = sketcherPlane(theOperation);
115 // in edit operation an empty selection is always valid, performed for re-entrant operrations
120 bool PartSet_DistanceSelection::isValid(const ModuleBase_ISelection* theSelection,
121 ModuleBase_Operation* theOperation) const
123 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
124 return isEmptySelectionValid(theOperation);
126 int aCount = shapesNbPoints(theSelection) + shapesNbLines(theSelection);
127 return (aCount > 0) && (aCount < 3);
131 bool PartSet_LengthSelection::isValid(const ModuleBase_ISelection* theSelection,
132 ModuleBase_Operation* theOperation) const
134 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
135 return isEmptySelectionValid(theOperation);
137 int aCount = shapesNbLines(theSelection);
138 return (aCount == 1);
142 bool PartSet_PerpendicularSelection::isValid(const ModuleBase_ISelection* theSelection,
143 ModuleBase_Operation* theOperation) const
145 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
146 return isEmptySelectionValid(theOperation);
148 int aCount = shapesNbLines(theSelection);
149 return (aCount > 0) && (aCount < 3);
153 bool PartSet_ParallelSelection::isValid(const ModuleBase_ISelection* theSelection,
154 ModuleBase_Operation* theOperation) const
156 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
157 return isEmptySelectionValid(theOperation);
159 int aCount = shapesNbLines(theSelection);
160 return (aCount > 0) && (aCount < 3);
164 bool PartSet_RadiusSelection::isValid(const ModuleBase_ISelection* theSelection,
165 ModuleBase_Operation* theOperation) const
167 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
168 return isEmptySelectionValid(theOperation);
170 QList<ModuleBase_ViewerPrsPtr> aList =
171 theSelection->getSelected(ModuleBase_ISelection::Viewer);
173 foreach (ModuleBase_ViewerPrsPtr aPrs, aList) {
174 const GeomShapePtr& aShape = aPrs->shape();
175 if (aShape.get() && !aShape->isNull()) {
176 if (aShape->shapeType() == GeomAPI_Shape::EDGE) {
177 const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
178 TopoDS_Edge aEdge = TopoDS::Edge(aTDShape);
179 Standard_Real aStart, aEnd;
180 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aEdge, aStart, aEnd);
181 GeomAdaptor_Curve aAdaptor(aCurve);
182 if (aAdaptor.GetType() == GeomAbs_Circle)
187 return (aCount == 1);
191 bool PartSet_RigidSelection::isValid(const ModuleBase_ISelection* theSelection,
192 ModuleBase_Operation* theOperation) const
194 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
195 return isEmptySelectionValid(theOperation);
197 QList<ModuleBase_ViewerPrsPtr> aList =
198 theSelection->getSelected(ModuleBase_ISelection::Viewer);
200 foreach (ModuleBase_ViewerPrsPtr aPrs, aList) {
201 ObjectPtr aObj = aPrs->object();
203 FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
204 if (aFeature.get()) {
205 CompositeFeaturePtr aComp = ModelAPI_Tools::compositeOwner(aFeature);
206 if (aComp.get() && (aComp->getKind() == SketchPlugin_Sketch::ID()))
211 return (aCount == 1);
216 bool PartSet_CoincidentSelection::isValid(const ModuleBase_ISelection* theSelection,
217 ModuleBase_Operation* theOperation) const
219 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
220 return isEmptySelectionValid(theOperation);
222 // Coincident can be applied to points and to lines
223 int aCount = shapesNbPoints(theSelection);
224 aCount += shapesNbLines(theSelection);
225 return (aCount > 0) && (aCount < 3);
229 bool PartSet_HVDirSelection::isValid(const ModuleBase_ISelection* theSelection,
230 ModuleBase_Operation* theOperation) const
232 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
233 return isEmptySelectionValid(theOperation);
235 int aCount = shapesNbLines(theSelection);
236 return (aCount == 1);
240 bool PartSet_FilletSelection::isValid(const ModuleBase_ISelection* theSelection,
241 ModuleBase_Operation* theOperation) const
243 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
244 return isEmptySelectionValid(theOperation);
246 int aCount = shapesNbPoints(theSelection);
251 bool PartSet_TangentSelection::isValid(const ModuleBase_ISelection* theSelection,
252 ModuleBase_Operation* theOperation) const
254 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
255 return isEmptySelectionValid(theOperation);
257 QList<ModuleBase_ViewerPrsPtr> aList = theSelection->getSelected(ModuleBase_ISelection::Viewer);
258 if ((aList.size() == 0) || (aList.size() > 2))
261 ModuleBase_ViewerPrsPtr aPrs = aList.first();
262 const GeomShapePtr& aShape = aPrs->shape();
263 if (!aShape.get() || aShape->isNull() || aShape->shapeType() != GeomAPI_Shape::EDGE)
265 GeomAPI_Edge aEdge1(aShape);
267 if (aEdge1.isLine() || aEdge1.isArc()) {
268 if (aList.size() == 2) {
269 // Check second selection
271 const GeomShapePtr& aShape2 = aPrs->shape();
272 if (!aShape2.get() || aShape2->isNull() || aShape2->shapeType() != GeomAPI_Shape::EDGE)
274 GeomAPI_Edge aEdge2(aShape2);
276 if (aEdge1.isLine() && aEdge2.isArc())
278 else if (aEdge1.isArc() && aEdge2.isLine())
289 bool PartSet_AngleSelection::isValid(const ModuleBase_ISelection* theSelection,
290 ModuleBase_Operation* theOperation) const
292 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
293 return isEmptySelectionValid(theOperation);
295 int aCount = shapesNbLines(theSelection);
296 return (aCount > 0) && (aCount < 3);
300 bool PartSet_EqualSelection::isValid(const ModuleBase_ISelection* theSelection,
301 ModuleBase_Operation* theOperation) const
303 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
304 return isEmptySelectionValid(theOperation);
306 QList<ModuleBase_ViewerPrsPtr> aList =
307 theSelection->getSelected(ModuleBase_ISelection::Viewer);
310 foreach (ModuleBase_ViewerPrsPtr aPrs, aList) {
311 GeomShapePtr aShape = aPrs->shape();
312 if (aShape.get() && aShape->isEdge()) {
314 GeomAPI_Edge aEdge(aShape);
315 if (aEdge.isLine()) {
320 } else if (aEdge.isCircle()) {
325 } else if (aEdge.isArc()) {
334 return (aCount > 0) && (aCount < 3);
338 bool PartSet_CollinearSelection::isValid(const ModuleBase_ISelection* theSelection,
339 ModuleBase_Operation* theOperation) const
341 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
342 return isEmptySelectionValid(theOperation);
344 int aCount = shapesNbLines(theSelection);
345 return (aCount > 0) && (aCount < 3);
349 bool PartSet_MiddlePointSelection::isValid(const ModuleBase_ISelection* theSelection,
350 ModuleBase_Operation* theOperation) const
352 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0)
353 return isEmptySelectionValid(theOperation);
355 return shapesNbLines(theSelection) == 1 || shapesNbPoints(theSelection) == 1;
358 bool PartSet_MultyTranslationSelection::isValid(const ModuleBase_ISelection* theSelection,
359 ModuleBase_Operation* theOperation) const
361 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
362 return isEmptySelectionValid(theOperation);
364 int aCount = shapesNbLines(theSelection);
369 bool PartSet_SplitSelection::isValid(const ModuleBase_ISelection* theSelection,
370 ModuleBase_Operation* theOperation) const
372 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
373 return isEmptySelectionValid(theOperation);
375 int aCount = shapesNbLines(theSelection);
380 bool PartSet_ProjectionSelection::isValid(const ModuleBase_ISelection* theSelection,
381 ModuleBase_Operation* theOperation) const
383 if (theSelection->getSelected(ModuleBase_ISelection::Viewer).size() == 0) {
384 return isEmptySelectionValid(theOperation);
386 int aCount = shapesNbLines(theSelection);
392 std::string PartSet_DifferentObjectsValidator::errorMessage(
393 const PartSet_DifferentObjectsValidator::ErrorType& theType,
394 const std::string& thEqualObject, const std::string& theFirstAttribute,
395 const std::string& theSecondAttribute) const
400 anError = "The feature uses one " + thEqualObject + " object in " +
401 theFirstAttribute + " and " + theSecondAttribute + " attributes.";
403 case EqualAttributes:
404 anError = "The feature uses reference to one " + thEqualObject + " attribute in " +
405 theFirstAttribute + " and " + theSecondAttribute + " attributes.";
408 anError = "The feature uses one shape in " +
409 theFirstAttribute + " and " + theSecondAttribute + " attributes.";
412 anError = "The feature uses empty shapes in " +
413 theFirstAttribute + " and " + theSecondAttribute + " attributes.";
422 bool PartSet_DifferentObjectsValidator::isValid(const AttributePtr& theAttribute,
423 const std::list<std::string>& theArguments,
424 Events_InfoMessage& theError) const
426 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
428 // the type of validated attributes should be equal, attributes with
429 // different types are not validated
430 // Check RefAttr attributes
431 std::string anAttrType = theAttribute->attributeType();
432 std::list<std::shared_ptr<ModelAPI_Attribute> > anAttrs;
434 if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
435 AttributeRefAttrPtr anAttr =
436 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
437 bool isObject = anAttr->isObject();
438 ObjectPtr anObject = anAttr->object();
440 anAttrs = aFeature->data()->attributes(ModelAPI_AttributeRefAttr::typeId());
441 if (anAttrs.size() > 0) {
442 std::list<std::shared_ptr<ModelAPI_Attribute> >::iterator anAttrIter = anAttrs.begin();
443 for(; anAttrIter != anAttrs.end(); anAttrIter++) {
444 if ((*anAttrIter).get() && (*anAttrIter)->id() != theAttribute->id()) {
445 std::shared_ptr<ModelAPI_AttributeRefAttr> aRef =
446 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anAttrIter);
447 if (aRef->isObject() != isObject)
450 if (aRef->object() == anObject) {
451 theError = errorMessage(EqualObjects, anObject.get() ? anObject->data()->name() : "",
452 theAttribute->id(), aRef->id());
456 else { // the attribute reference
457 AttributePtr anAttributeAttr = anAttr->attr();
458 if (aRef->attr() == anAttributeAttr) {
459 theError = errorMessage(EqualAttributes,
460 anAttributeAttr.get() ? anAttributeAttr->id() : "",
461 theAttribute->id(), aRef->id());
469 else if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
470 AttributeSelectionPtr anAttr =
471 std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
472 ResultPtr aContext = anAttr->context();
473 GeomShapePtr aShape = anAttr->value();
475 // Check selection attributes
476 anAttrs = aFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
477 if (anAttrs.size() > 0) {
478 std::list<std::shared_ptr<ModelAPI_Attribute> >::iterator anAttr = anAttrs.begin();
479 for(; anAttr != anAttrs.end(); anAttr++) {
480 if ((*anAttr).get() && (*anAttr)->id() != theAttribute->id()) {
481 std::shared_ptr<ModelAPI_AttributeSelection> aRef =
482 std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*anAttr);
483 // check the object is already presented
484 if (aRef->context() == aContext) {
485 bool aHasShape = aShape.get() != NULL;
486 if (!aHasShape || aRef->value()->isEqual(aShape)) {
487 theError = errorMessage(EqualShapes, "", theAttribute->id(), aRef->id());
495 else if (anAttrType == ModelAPI_AttributeReference::typeId()) {
496 AttributeReferencePtr anAttr =
497 std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
498 ObjectPtr anObject = anAttr->value();
499 // Check selection attributes
500 anAttrs = aFeature->data()->attributes(ModelAPI_AttributeReference::typeId());
501 if (anAttrs.size() > 0) {
502 std::list<std::shared_ptr<ModelAPI_Attribute> >::iterator anAttr = anAttrs.begin();
503 for(; anAttr != anAttrs.end(); anAttr++) {
504 if ((*anAttr).get() && (*anAttr)->id() != theAttribute->id()) {
505 std::shared_ptr<ModelAPI_AttributeReference> aRef =
506 std::dynamic_pointer_cast<ModelAPI_AttributeReference>(*anAttr);
507 // check the object is already presented
508 if (aRef->value() == anObject) {
509 theError = errorMessage(EqualObjects, anObject.get() ? anObject->data()->name() : "",
510 theAttribute->id(), aRef->id());
518 else if(anAttrType == ModelAPI_AttributeSelectionList::typeId()) {
519 std::shared_ptr<ModelAPI_AttributeSelectionList> aCurSelList =
520 std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
521 anAttrs = aFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
522 if(anAttrs.size() > 0) {
523 std::list<std::shared_ptr<ModelAPI_Attribute>>::iterator anAttrItr = anAttrs.begin();
524 for(; anAttrItr != anAttrs.end(); anAttrItr++){
525 if ((*anAttrItr).get() && (*anAttrItr)->id() != theAttribute->id()){
526 std::shared_ptr<ModelAPI_AttributeSelectionList> aRefSelList =
527 std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*anAttrItr);
528 for(int i = 0; i < aCurSelList->size(); i++) {
529 std::shared_ptr<ModelAPI_AttributeSelection> aCurSel = aCurSelList->value(i);
530 ResultPtr aCurSelContext = aCurSel->context();
531 ResultCompSolidPtr aCurSelCompSolidPtr = ModelAPI_Tools::compSolidOwner(aCurSelContext);
532 std::shared_ptr<GeomAPI_Shape> aCurSelCompSolid;
533 if(aCurSelCompSolidPtr.get()) {
534 aCurSelCompSolid = aCurSelCompSolidPtr->shape();
536 for(int j = 0; j < aRefSelList->size(); j++) {
537 std::shared_ptr<ModelAPI_AttributeSelection> aRefSel = aRefSelList->value(j);
538 ResultPtr aRefSelContext = aRefSel->context();
539 ResultCompSolidPtr aRefSelCompSolidPtr =
540 ModelAPI_Tools::compSolidOwner(aRefSelContext);
541 std::shared_ptr<GeomAPI_Shape> aRefSelCompSolid;
542 if(aRefSelCompSolidPtr.get()) {
543 aRefSelCompSolid = aRefSelCompSolidPtr->shape();
545 if ((aCurSelCompSolid.get() && aCurSelCompSolid->isEqual(aRefSel->value()))
546 || (aRefSelCompSolid.get() && aRefSelCompSolid->isEqual(aCurSel->value()))) {
547 theError = errorMessage(EqualShapes, "", theAttribute->id(),
551 if(aCurSelContext == aRefSelContext) {
552 if (aCurSel->value().get() == NULL || aRefSel->value().get() == NULL) {
553 theError = errorMessage(EmptyShapes, "", theAttribute->id(),
557 if (aCurSel->value()->isEqual(aRefSel->value())) {
558 theError = errorMessage(EqualShapes, "", theAttribute->id(),
569 else if (anAttrType == ModelAPI_AttributeRefList::typeId()) {
570 std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
571 std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
572 anAttrs = aFeature->data()->attributes(ModelAPI_AttributeRefList::typeId());
573 if (anAttrs.size() > 0) {
574 std::list<std::shared_ptr<ModelAPI_Attribute>>::iterator anAttrItr = anAttrs.begin();
575 for (; anAttrItr != anAttrs.end(); anAttrItr++){
576 if ((*anAttrItr).get() && (*anAttrItr)->id() != theAttribute->id()){
577 std::shared_ptr<ModelAPI_AttributeRefList> aRefSelList =
578 std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anAttrItr);
579 for (int i = 0; i < aCurSelList->size(); i++) {
580 ObjectPtr aCurSelObject = aCurSelList->object(i);
581 for (int j = 0; j < aRefSelList->size(); j++) {
582 if (aCurSelObject == aRefSelList->object(j)) {
583 theError = errorMessage(EqualObjects,
584 aCurSelObject.get() ? aCurSelObject->data()->name() : "",
585 theAttribute->id(), aCurSelList->id());
597 bool PartSet_CoincidentAttr::isValid(const AttributePtr& theAttribute,
598 const std::list<std::string>& theArguments,
599 Events_InfoMessage& theError) const
601 if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
602 theError = "The attribute with the %1 type is not processed";
603 theError.arg(theAttribute->attributeType());
607 // there is a check whether the feature contains a point and a linear edge or two point values
608 std::string aParamA = theArguments.front();
609 SessionPtr aMgr = ModelAPI_Session::get();
610 ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
612 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
613 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
614 QList<FeaturePtr> aCoinsideLines;
615 QList<FeaturePtr> aCoins;
617 bool isObject = aRefAttr->isObject();
618 ObjectPtr anObject = aRefAttr->object();
619 if (isObject && anObject) {
620 FeaturePtr aRefFea = ModelAPI_Feature::feature(anObject);
621 AttributeRefAttrPtr aOtherAttr = aFeature->data()->refattr(aParamA);
622 ObjectPtr aOtherObject = aOtherAttr->object();
623 // if the other attribute is not filled still, the result is true
624 if (!aOtherObject.get())
626 FeaturePtr aOtherFea = ModelAPI_Feature::feature(aOtherObject);
628 // check that both have coincidence
629 FeaturePtr aConstrFeature;
630 std::set<FeaturePtr> aCoinList;
631 const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefsList = aRefFea->data()->refsToMe();
632 std::set<std::shared_ptr<ModelAPI_Attribute>>::const_iterator aIt;
633 for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
634 std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
635 aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
636 if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
637 AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
638 AttributePtr aAR = aRAttr->attr();
639 if (aAR->id() != SketchPlugin_Arc::CENTER_ID()) // ignore constraint to center of arc
640 aCoinList.insert(aConstrFeature);
641 PartSet_Tools::findCoincidences(aConstrFeature, aCoinsideLines, aCoins,
642 SketchPlugin_ConstraintCoincidence::ENTITY_A());
643 PartSet_Tools::findCoincidences(aConstrFeature, aCoinsideLines, aCoins,
644 SketchPlugin_ConstraintCoincidence::ENTITY_B());
647 // if there is no coincidence then it is not valid
648 if (aCoinList.size() > 0) {
649 QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(), aLast = aCoinsideLines.end();
651 for (; anIt != aLast && !aValid; anIt++) {
652 aValid = *anIt == aOtherFea;
658 theError = "There is no a common coincident point.";