1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: SketchSolver_Group.cpp
4 // Created: 27 May 2014
5 // Author: Artem ZHIDKOV
7 #include "SketchSolver_Group.h"
9 #include <SketchSolver_Constraint.h>
10 #include <SketchSolver_ConstraintCoincidence.h>
11 #include <SketchSolver_ConstraintMulti.h>
12 #include <SketchSolver_Error.h>
13 #include <SketchSolver_Manager.h>
15 #include <Events_Error.h>
16 #include <Events_Loop.h>
17 #include <ModelAPI_AttributeString.h>
18 #include <ModelAPI_Events.h>
19 #include <ModelAPI_Session.h>
20 #include <ModelAPI_Validator.h>
22 #include <SketchPlugin_Arc.h>
23 #include <SketchPlugin_ConstraintAngle.h>
24 #include <SketchPlugin_ConstraintCoincidence.h>
25 #include <SketchPlugin_ConstraintDistance.h>
26 #include <SketchPlugin_ConstraintEqual.h>
27 #include <SketchPlugin_ConstraintHorizontal.h>
28 #include <SketchPlugin_ConstraintLength.h>
29 #include <SketchPlugin_ConstraintFillet.h>
30 #include <SketchPlugin_ConstraintMirror.h>
31 #include <SketchPlugin_ConstraintParallel.h>
32 #include <SketchPlugin_ConstraintPerpendicular.h>
33 #include <SketchPlugin_ConstraintRadius.h>
34 #include <SketchPlugin_ConstraintRigid.h>
35 #include <SketchPlugin_ConstraintTangent.h>
36 #include <SketchPlugin_ConstraintVertical.h>
37 #include <SketchPlugin_MultiRotation.h>
38 #include <SketchPlugin_MultiTranslation.h>
44 /// \brief This class is used to give unique index to the groups
48 /// \brief Return vacant index
49 static GroupID NEW_GROUP() { return ++myGroupIndex; }
50 /// \brief Removes the index
51 static void REMOVE_GROUP(const GroupID& theIndex) {
52 if (myGroupIndex == theIndex)
59 static GroupID myGroupIndex; ///< index of the group
62 GroupID GroupIndexer::myGroupIndex = GID_OUTOFGROUP;
65 static void sendMessage(const char* theMessageName)
67 std::shared_ptr<Events_Message> aMessage = std::shared_ptr<Events_Message>(
68 new Events_Message(Events_Loop::eventByName(theMessageName)));
69 Events_Loop::loop()->send(aMessage);
72 static void sendMessage(const char* theMessageName, const std::set<ObjectPtr>& theConflicting)
74 std::shared_ptr<ModelAPI_SolverFailedMessage> aMessage =
75 std::shared_ptr<ModelAPI_SolverFailedMessage>(
76 new ModelAPI_SolverFailedMessage(Events_Loop::eventByName(theMessageName)));
77 aMessage->setObjects(theConflicting);
78 Events_Loop::loop()->send(aMessage);
83 // ========================================================
84 // ========= SketchSolver_Group ===============
85 // ========================================================
87 SketchSolver_Group::SketchSolver_Group(
88 std::shared_ptr<ModelAPI_CompositeFeature> theWorkplane)
89 : myID(GroupIndexer::NEW_GROUP()),
90 myPrevResult(STATUS_UNKNOWN)
92 // Initialize workplane
93 myWorkplaneID = EID_UNKNOWN;
94 addWorkplane(theWorkplane);
97 SketchSolver_Group::~SketchSolver_Group()
99 myConstraints.clear();
100 GroupIndexer::REMOVE_GROUP(myID);
101 // send the message that there is no more conflicting constraints
102 if (!myConflictingConstraints.empty()) {
103 sendMessage(EVENT_SOLVER_REPAIRED, myConflictingConstraints);
104 myConflictingConstraints.clear();
108 // ============================================================================
109 // Function: isBaseWorkplane
110 // Class: SketchSolver_Group
111 // Purpose: verify the group is based on the given workplane
112 // ============================================================================
113 bool SketchSolver_Group::isBaseWorkplane(CompositeFeaturePtr theWorkplane) const
115 return theWorkplane == mySketch;
118 // ============================================================================
119 // Function: isInteract
120 // Class: SketchSolver_Group
121 // Purpose: verify are there any entities in the group used by given constraint
122 // ============================================================================
123 bool SketchSolver_Group::isInteract(FeaturePtr theFeature) const
125 // Empty group interacts with everything
128 // Check interaction with the storage
129 bool isInteracted = myStorage->isInteract(theFeature);
130 ConstraintConstraintMap::const_iterator anIt = myConstraints.begin();
131 for (; !isInteracted && anIt != myConstraints.end(); ++anIt)
132 if (anIt->first->getKind() == SketchPlugin_MultiRotation::ID() ||
133 anIt->first->getKind() == SketchPlugin_MultiTranslation::ID())
134 isInteracted = anIt->second->isUsed(theFeature);
138 // ============================================================================
139 // Function: changeConstraint
140 // Class: SketchSolver_Group
141 // Purpose: create/update the constraint in the group
142 // ============================================================================
143 bool SketchSolver_Group::changeConstraint(
144 std::shared_ptr<SketchPlugin_Constraint> theConstraint)
146 // There is no workplane yet, something wrong
147 if (myWorkplaneID == EID_UNKNOWN)
150 if (!theConstraint || !theConstraint->data())
153 if (!checkFeatureValidity(theConstraint))
156 BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
157 myStorage->blockEvents(true);
159 bool isNewConstraint = myConstraints.find(theConstraint) == myConstraints.end();
160 if (isNewConstraint) {
161 // Add constraint to the current group
162 SolverConstraintPtr aConstraint = aBuilder->createConstraint(theConstraint);
165 aConstraint->process(myStorage, getId(), getWorkplaneId());
166 if (!aConstraint->error().empty()) {
167 if (aConstraint->error() == SketchSolver_Error::NOT_INITIALIZED())
168 return false; // some attribute are not initialized yet, don't show message
169 Events_Error::send(aConstraint->error(), this);
171 myConstraints[theConstraint] = aConstraint;
173 if (theConstraint->getKind() == SketchPlugin_ConstraintCoincidence::ID())
174 notifyCoincidenceChanged(myConstraints[theConstraint]);
177 myConstraints[theConstraint]->update();
180 if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
181 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
182 theConstraint->attribute(SketchPlugin_ConstraintMirror::ENTITY_A()));
183 if (aRefAttr && aRefAttr->isObject()) {
184 std::shared_ptr<SketchPlugin_Feature> aFeature =
185 std::dynamic_pointer_cast<SketchPlugin_Feature>(
186 ModelAPI_Feature::feature(aRefAttr->object()));
188 SolverConstraintPtr aConstraint = aBuilder->createFixedConstraint(aFeature);
190 aConstraint->process(myStorage, getId(), getWorkplaneId());
191 setTemporary(aConstraint);
199 // Update constraints if they contain specific feature
200 static void updateMultiConstraints(ConstraintConstraintMap& theConstraints, FeaturePtr theFeature)
202 ConstraintConstraintMap::iterator aCIt = theConstraints.begin();
203 for (; aCIt != theConstraints.end(); ++aCIt) {
204 SketchSolver_ConstraintType aType = aCIt->second->getType();
205 if ((aType == CONSTRAINT_MULTI_ROTATION ||
206 aType == CONSTRAINT_MULTI_TRANSLATION)
207 && aCIt->second->isUsed(theFeature))
208 std::dynamic_pointer_cast<SketchSolver_ConstraintMulti>(aCIt->second)->update(true);
209 else if ((aType == CONSTRAINT_TANGENT_CIRCLE_LINE ||
210 aType == CONSTRAINT_SYMMETRIC || aType == CONSTRAINT_ANGLE)
211 && aCIt->second->isUsed(theFeature))
212 aCIt->second->update();
216 // Recalculate slave features of the Multi constraints
217 static void updateMultiConstraints(ConstraintConstraintMap& theConstraints)
219 ConstraintConstraintMap::iterator aCIt = theConstraints.begin();
220 for (; aCIt != theConstraints.end(); ++aCIt) {
221 SketchSolver_ConstraintType aType = aCIt->second->getType();
222 if ((aType == CONSTRAINT_MULTI_ROTATION ||
223 aType == CONSTRAINT_MULTI_TRANSLATION))
224 std::dynamic_pointer_cast<SketchSolver_ConstraintMulti>(aCIt->second)->update(true);
228 bool SketchSolver_Group::updateFeature(FeaturePtr theFeature)
230 if (!checkFeatureValidity(theFeature))
233 bool isBlocked = myStorage->isEventsBlocked();
235 myStorage->blockEvents(true);
237 myStorage->refresh(true);
238 bool isUpdated = myStorage->update(theFeature);
240 updateMultiConstraints(myConstraints, theFeature);
242 // events were not blocked before, the feature has not been updated,
243 // so it is necessary to revert blocking
244 if (!isUpdated && !isBlocked)
245 myStorage->blockEvents(false);
249 void SketchSolver_Group::moveFeature(FeaturePtr theFeature)
251 BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
253 // Firstly, revert changes in the fixed entities
254 myStorage->blockEvents(true);
255 myStorage->refresh(true);
257 // Then, create temporary Fixed constraint
258 SolverConstraintPtr aConstraint = aBuilder->createMovementConstraint(theFeature);
261 aConstraint->process(myStorage, getId(), getWorkplaneId());
262 if (aConstraint->error().empty())
263 setTemporary(aConstraint);
265 // Secondly, search attributes of the feature in the list of the Multi constraints and update them
266 updateMultiConstraints(myConstraints, theFeature);
268 // Workaround to process arcs.
269 // When move unconstrained arc, add temporary constraint to fix radius.
270 if (theFeature->getKind() == SketchPlugin_Arc::ID()) {
271 bool hasDup = myStorage->hasDuplicatedConstraint();
272 SolverConstraintPtr aFixedRadius = aBuilder->createFixedArcRadiusConstraint(theFeature);
274 aFixedRadius->process(myStorage, getId(), getWorkplaneId());
275 hasDup = myStorage->hasDuplicatedConstraint() && !hasDup;
276 if (aFixedRadius->error().empty() && !hasDup)
277 setTemporary(aFixedRadius);
279 aFixedRadius->remove();
284 // ============================================================================
285 // Function: addWorkplane
286 // Class: SketchSolver_Group
287 // Purpose: create workplane for the group
288 // ============================================================================
289 bool SketchSolver_Group::addWorkplane(CompositeFeaturePtr theSketch)
291 if (myWorkplaneID != EID_UNKNOWN || theSketch->getKind() != SketchPlugin_Sketch::ID())
292 return false; // the workplane already exists or the function parameter is not Sketch
294 mySketch = theSketch;
295 if (!updateWorkplane()) {
296 mySketch = CompositeFeaturePtr();
302 // ============================================================================
303 // Function: updateWorkplane
304 // Class: SketchSolver_Group
305 // Purpose: update parameters of workplane
306 // ============================================================================
307 bool SketchSolver_Group::updateWorkplane()
309 BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
310 if (!myStorage) // Create storage if not exists
311 myStorage = aBuilder->createStorage(getId());
313 // sketch should be unchanged, set it out of current group
314 bool isUpdated = myStorage->update(FeaturePtr(mySketch), GID_OUTOFGROUP);
316 EntityWrapperPtr anEntity = myStorage->entity(FeaturePtr(mySketch));
317 myWorkplaneID = anEntity->id();
322 // ============================================================================
323 // Function: resolveConstraints
324 // Class: SketchSolver_Group
325 // Purpose: solve the set of constraints for the current group
326 // ============================================================================
327 bool SketchSolver_Group::resolveConstraints()
329 bool aResolved = false;
330 bool isGroupEmpty = isEmpty() && myStorage->isEmpty();
331 if (myStorage->isNeedToResolve() && !isGroupEmpty) {
333 mySketchSolver = SketchSolver_Manager::instance()->builder()->createSolver();
335 mySketchSolver->setGroup(myID);
336 mySketchSolver->calculateFailedConstraints(false);
337 myStorage->initializeSolver(mySketchSolver);
338 mySketchSolver->prepare();
340 SketchSolver_SolveStatus aResult = STATUS_OK;
342 if (myStorage->hasDuplicatedConstraint())
343 aResult = STATUS_INCONSISTENT;
345 // To avoid overconstraint situation, we will remove temporary constraints one-by-one
346 // and try to find the case without overconstraint
347 bool isLastChance = false;
349 aResult = mySketchSolver->solve();
350 if (aResult == STATUS_OK || aResult == STATUS_EMPTYSET || isLastChance)
352 //// // try to update parameters and resolve once again
353 //// ConstraintConstraintMap::iterator aConstrIt = myConstraints.begin();
354 //// for (; aConstrIt != myConstraints.end(); ++aConstrIt)
355 //// aConstrIt->second->update();
358 removeTemporaryConstraints();
359 mySketchSolver->calculateFailedConstraints(true); // something failed => need to find it
360 myStorage->initializeSolver(mySketchSolver);
364 // Events_Error::send(SketchSolver_Error::SOLVESPACE_CRASH(), this);
365 getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue(SketchSolver_Error::SOLVESPACE_CRASH());
366 Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
367 if (myPrevResult == STATUS_OK || myPrevResult == STATUS_UNKNOWN) {
368 // the error message should be changed before sending the message
369 sendMessage(EVENT_SOLVER_FAILED);
370 myPrevResult = STATUS_FAILED;
372 mySketchSolver->undo();
375 if (aResult == STATUS_OK || aResult == STATUS_EMPTYSET) { // solution succeeded, store results into correspondent attributes
376 myStorage->refresh();
377 updateMultiConstraints(myConstraints);
378 if (myPrevResult != STATUS_OK || myPrevResult == STATUS_UNKNOWN) {
379 getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue("");
380 Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
381 // the error message should be changed before sending the message
382 sendMessage(EVENT_SOLVER_REPAIRED, myConflictingConstraints);
383 myConflictingConstraints.clear();
384 myPrevResult = STATUS_OK;
387 mySketchSolver->undo();
388 if (!myConstraints.empty()) {
389 // the error message should be changed before sending the message
390 getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue(SketchSolver_Error::CONSTRAINTS());
391 Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
392 if (myPrevResult != aResult || myPrevResult == STATUS_UNKNOWN) {
393 // Obtain list of conflicting constraints
394 std::set<ObjectPtr> aConflicting = myStorage->getConflictingConstraints(mySketchSolver);
396 if (myConflictingConstraints.empty())
397 sendMessage(EVENT_SOLVER_FAILED, aConflicting);
399 std::set<ObjectPtr>::iterator anIt = aConflicting.begin();
400 for (; anIt != aConflicting.end(); ++anIt)
401 myConflictingConstraints.erase(*anIt);
402 if (!myConflictingConstraints.empty()) {
403 // some constraints does not conflict, send corresponding message
404 sendMessage(EVENT_SOLVER_REPAIRED, myConflictingConstraints);
407 myConflictingConstraints = aConflicting;
408 myPrevResult = aResult;
414 } else if (!isGroupEmpty) {
415 // Check there are constraints Fixed. If they exist, update parameters by stored values
416 ConstraintConstraintMap::iterator aCIt = myConstraints.begin();
417 for (; aCIt != myConstraints.end(); ++aCIt)
418 if (aCIt->first->getKind() == SketchPlugin_ConstraintRigid::ID()) {
422 if (aCIt != myConstraints.end())
423 myStorage->refresh();
425 removeTemporaryConstraints();
426 myStorage->blockEvents(false);
427 myStorage->setNeedToResolve(false);
431 // ============================================================================
432 // Function: mergeGroups
433 // Class: SketchSolver_Group
434 // Purpose: append specified group to the current group
435 // ============================================================================
436 void SketchSolver_Group::mergeGroups(const SketchSolver_Group& theGroup)
438 // If specified group is empty, no need to merge
439 if (theGroup.isEmpty())
442 std::set<ObjectPtr> aConstraints;
443 ConstraintConstraintMap::const_iterator aConstrIter = theGroup.myConstraints.begin();
444 for (; aConstrIter != theGroup.myConstraints.end(); aConstrIter++)
445 aConstraints.insert(aConstrIter->first);
447 std::list<FeaturePtr> aSortedConstraints = selectApplicableFeatures(aConstraints);
448 std::list<FeaturePtr>::iterator aSCIter = aSortedConstraints.begin();
449 for (; aSCIter != aSortedConstraints.end(); ++aSCIter) {
450 ConstraintPtr aConstr = std::dynamic_pointer_cast<SketchPlugin_Constraint>(*aSCIter);
453 changeConstraint(aConstr);
457 // ============================================================================
458 // Function: splitGroup
459 // Class: SketchSolver_Group
460 // Purpose: divide the group into several subgroups
461 // ============================================================================
462 void SketchSolver_Group::splitGroup(std::list<SketchSolver_Group*>& theCuts)
464 // New storage will be used in trimmed way to store the list of constraint interacted together.
465 StoragePtr aNewStorage = SketchSolver_Manager::instance()->builder()->createStorage(getId());
466 std::list<ConstraintWrapperPtr> aDummyVec; // empty vector to avoid creation of solver's constraints
468 // Obtain constraints, which should be separated
469 std::list<ConstraintPtr> anUnusedConstraints;
470 ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
471 for ( ; aCIter != myConstraints.end(); aCIter++) {
472 if (aNewStorage->isInteract(FeaturePtr(aCIter->first)))
473 aNewStorage->addConstraint(aCIter->first, aDummyVec);
475 anUnusedConstraints.push_back(aCIter->first);
478 // Check the unused constraints once again, because they may become interacted with new storage since adding constraints
479 std::list<ConstraintPtr>::iterator aUnuseIt = anUnusedConstraints.begin();
480 while (aUnuseIt != anUnusedConstraints.end()) {
481 if (aNewStorage->isInteract(FeaturePtr(*aUnuseIt))) {
482 aNewStorage->addConstraint(*aUnuseIt, aDummyVec);
483 anUnusedConstraints.erase(aUnuseIt);
484 aUnuseIt = anUnusedConstraints.begin();
490 std::list<SketchSolver_Group*>::iterator aCutsIter;
491 aUnuseIt = anUnusedConstraints.begin();
492 for ( ; aUnuseIt != anUnusedConstraints.end(); ++aUnuseIt) {
493 // Remove unused constraints
494 removeConstraint(*aUnuseIt);
495 // Try to append constraint to already existent group
496 for (aCutsIter = theCuts.begin(); aCutsIter != theCuts.end(); ++aCutsIter)
497 if ((*aCutsIter)->isInteract(*aUnuseIt)) {
498 (*aCutsIter)->changeConstraint(*aUnuseIt);
501 if (aCutsIter == theCuts.end()) {
503 SketchSolver_Group* aGroup = new SketchSolver_Group(mySketch);
504 aGroup->changeConstraint(*aUnuseIt);
505 theCuts.push_back(aGroup);
507 // Find other groups interacting with constraint
508 std::list<SketchSolver_Group*>::iterator aBaseGroupIt = aCutsIter;
509 for (++aCutsIter; aCutsIter != theCuts.end(); ++aCutsIter)
510 if ((*aCutsIter)->isInteract(*aUnuseIt)) {
511 (*aBaseGroupIt)->mergeGroups(**aCutsIter);
512 std::list<SketchSolver_Group*>::iterator aRemoveIt = aCutsIter--;
513 theCuts.erase(aRemoveIt);
519 // ============================================================================
520 // Function: isConsistent
521 // Class: SketchSolver_Group
522 // Purpose: search removed entities and constraints
523 // ============================================================================
524 bool SketchSolver_Group::isConsistent()
526 if (isEmpty()) // no one constraint is initialized yet
529 // Check the features and constraint is the storage are valid
530 bool aResult = myStorage->isConsistent();
532 // additional check of consistency of the Fixed constraint,
533 // because they are not added to the storage
534 ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
535 for (; aCIter != myConstraints.end(); ++aCIter)
536 if (aCIter->first->getKind() == SketchPlugin_ConstraintRigid::ID() &&
537 (!aCIter->first->data() || !aCIter->first->data()->isValid())) {
543 // remove invalid constraints
544 std::set<ConstraintPtr> anInvalidConstraints;
545 ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
546 for (; aCIter != myConstraints.end(); ++aCIter) {
547 if (!aCIter->first->data() || !aCIter->first->data()->isValid())
548 anInvalidConstraints.insert(aCIter->first);
550 std::set<ConstraintPtr>::const_iterator aRemoveIt = anInvalidConstraints.begin();
551 for (; aRemoveIt != anInvalidConstraints.end(); ++aRemoveIt)
552 removeConstraint(*aRemoveIt);
553 // remove invalid features
554 myStorage->removeInvalidEntities();
559 // ============================================================================
560 // Function: removeTemporaryConstraints
561 // Class: SketchSolver_Group
562 // Purpose: remove all transient SLVS_C_WHERE_DRAGGED constraints after
563 // resolving the set of constraints
564 // ============================================================================
565 void SketchSolver_Group::removeTemporaryConstraints()
567 std::set<SolverConstraintPtr>::iterator aTmpIt = myTempConstraints.begin();
568 for (; aTmpIt != myTempConstraints.end(); ++aTmpIt)
571 if (!myTempConstraints.empty())
572 myStorage->verifyFixed();
573 myStorage->setNeedToResolve(false);
574 myTempConstraints.clear();
577 // ============================================================================
578 // Function: removeConstraint
579 // Class: SketchSolver_Group
580 // Purpose: remove constraint and all unused entities
581 // ============================================================================
582 void SketchSolver_Group::removeConstraint(ConstraintPtr theConstraint)
584 ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
585 for (; aCIter != myConstraints.end(); aCIter++)
586 if (aCIter->first == theConstraint) {
587 aCIter->second->remove(); // the constraint is not fully removed
588 if (aCIter->first->getKind() == SketchPlugin_ConstraintCoincidence::ID())
589 notifyCoincidenceChanged(aCIter->second);
592 if (aCIter != myConstraints.end())
593 myConstraints.erase(aCIter);
596 // ============================================================================
597 // Function: setTemporary
598 // Class: SketchSolver_Group
599 // Purpose: append given constraint to the group of temporary constraints
600 // ============================================================================
601 void SketchSolver_Group::setTemporary(SolverConstraintPtr theConstraint)
603 myTempConstraints.insert(theConstraint);
607 // ============================================================================
608 // Function: checkFeatureValidity
609 // Class: SketchSolver_Group
610 // Purpose: verifies is the feature valid
611 // ============================================================================
612 bool SketchSolver_Group::checkFeatureValidity(FeaturePtr theFeature)
614 if (!theFeature || !theFeature->data()->isValid())
617 SessionPtr aMgr = ModelAPI_Session::get();
618 ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
619 return aFactory->validate(theFeature);
625 // =========== Auxiliary functions ========================================
626 static double featureToVal(FeaturePtr theFeature)
628 if (theFeature->getKind() == SketchPlugin_Sketch::ID())
629 return 0.0; // sketch
630 ConstraintPtr aConstraint = std::dynamic_pointer_cast<SketchPlugin_Constraint>(theFeature);
632 return 1.0; // features (arc, circle, line, point)
634 const std::string& anID = aConstraint->getKind();
635 if (anID == SketchPlugin_ConstraintCoincidence::ID()) {
636 AttributeRefAttrPtr anAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
637 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
638 AttributeRefAttrPtr anAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
639 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
640 if (anAttrA && anAttrB && (anAttrA->isObject() || anAttrB->isObject()))
641 return 2.0; // point-on-line and point-on-circle should go before points coincidence constraint
644 if (anID == SketchPlugin_ConstraintDistance::ID() ||
645 anID == SketchPlugin_ConstraintLength::ID() ||
646 anID == SketchPlugin_ConstraintRadius::ID())
648 if (anID == SketchPlugin_ConstraintAngle::ID())
650 if (anID == SketchPlugin_ConstraintHorizontal::ID() ||
651 anID == SketchPlugin_ConstraintVertical::ID() ||
652 anID == SketchPlugin_ConstraintParallel::ID() ||
653 anID == SketchPlugin_ConstraintPerpendicular::ID())
655 if (anID == SketchPlugin_ConstraintEqual::ID())
657 if (anID == SketchPlugin_ConstraintTangent::ID() ||
658 anID == SketchPlugin_ConstraintMirror::ID())
660 if (anID == SketchPlugin_ConstraintRigid::ID())
662 if (anID == SketchPlugin_MultiRotation::ID() ||
663 anID == SketchPlugin_MultiTranslation::ID())
666 // all other constraints are placed between Equal and Tangent constraints
670 static bool isLess(FeaturePtr theFeature1, FeaturePtr theFeature2)
672 return featureToVal(theFeature1) < featureToVal(theFeature2);
675 std::list<FeaturePtr> SketchSolver_Group::selectApplicableFeatures(const std::set<ObjectPtr>& theObjects)
677 std::list<FeaturePtr> aResult;
678 std::list<FeaturePtr>::iterator aResIt;
680 std::set<ObjectPtr>::const_iterator anObjIter = theObjects.begin();
681 for (; anObjIter != theObjects.end(); ++anObjIter) {
682 // Operate sketch itself and SketchPlugin features only.
683 // Also, the Fillet need to be skipped, because there are several separated constraints composing it.
684 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
687 std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
688 std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
689 if ((aFeature->getKind() != SketchPlugin_Sketch::ID() && !aSketchFeature) ||
690 aFeature->getKind() == SketchPlugin_ConstraintFillet::ID())
693 // Find the place where to insert a feature
694 for (aResIt = aResult.begin(); aResIt != aResult.end(); ++aResIt)
695 if (isLess(aFeature, *aResIt))
697 aResult.insert(aResIt, aFeature);
703 void SketchSolver_Group::notifyCoincidenceChanged(SolverConstraintPtr theCoincidence)
705 const std::list<EntityWrapperPtr>& aCoincident = theCoincidence->attributes();
706 EntityWrapperPtr anAttr1 = aCoincident.front();
707 EntityWrapperPtr anAttr2 = aCoincident.back();
709 ConstraintConstraintMap::iterator anIt = myConstraints.begin();
710 for (; anIt != myConstraints.end(); ++anIt)
711 anIt->second->notifyCoincidenceChanged(anAttr1, anAttr2);