-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: SketchSolver_Group.cpp
-// Created: 27 May 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
#include "SketchSolver_Group.h"
-
-#include <SketchSolver_Constraint.h>
-#include <SketchSolver_ConstraintCoincidence.h>
-#include <SketchSolver_ConstraintMulti.h>
#include <SketchSolver_Error.h>
#include <SketchSolver_Manager.h>
-#include <Events_Error.h>
-#include <Events_Loop.h>
+#include <PlaneGCSSolver_Solver.h>
+#include <PlaneGCSSolver_Storage.h>
+#include <PlaneGCSSolver_Tools.h>
+
+#include <Events_InfoMessage.h>
#include <ModelAPI_AttributeString.h>
#include <ModelAPI_Events.h>
-#include <ModelAPI_Session.h>
-#include <ModelAPI_Validator.h>
-
-#include <SketchPlugin_ConstraintAngle.h>
-#include <SketchPlugin_ConstraintCoincidence.h>
-#include <SketchPlugin_ConstraintDistance.h>
-#include <SketchPlugin_ConstraintEqual.h>
-#include <SketchPlugin_ConstraintHorizontal.h>
-#include <SketchPlugin_ConstraintLength.h>
-#include <SketchPlugin_ConstraintFillet.h>
#include <SketchPlugin_ConstraintMirror.h>
-#include <SketchPlugin_ConstraintParallel.h>
-#include <SketchPlugin_ConstraintPerpendicular.h>
-#include <SketchPlugin_ConstraintRadius.h>
#include <SketchPlugin_ConstraintRigid.h>
-#include <SketchPlugin_ConstraintTangent.h>
-#include <SketchPlugin_ConstraintVertical.h>
#include <SketchPlugin_MultiRotation.h>
#include <SketchPlugin_MultiTranslation.h>
-#include <math.h>
-#include <assert.h>
-
-/// \brief This class is used to give unique index to the groups
-class GroupIndexer
+static void sendMessage(const char* theMessageName)
{
-public:
- /// \brief Return vacant index
- static GroupID NEW_GROUP() { return ++myGroupIndex; }
- /// \brief Removes the index
- static void REMOVE_GROUP(const GroupID& theIndex) {
- if (myGroupIndex == theIndex)
- myGroupIndex--;
- }
-
-private:
- GroupIndexer() {};
+ std::shared_ptr<Events_Message> aMessage = std::shared_ptr<Events_Message>(
+ new Events_Message(Events_Loop::eventByName(theMessageName)));
+ Events_Loop::loop()->send(aMessage);
+}
- static GroupID myGroupIndex; ///< index of the group
-};
+static void sendMessage(const char* theMessageName, const std::set<ObjectPtr>& theConflicting)
+{
+ std::shared_ptr<ModelAPI_SolverFailedMessage> aMessage =
+ std::shared_ptr<ModelAPI_SolverFailedMessage>(
+ new ModelAPI_SolverFailedMessage(Events_Loop::eventByName(theMessageName)));
+ aMessage->setObjects(theConflicting);
+ Events_Loop::loop()->send(aMessage);
+}
-GroupID GroupIndexer::myGroupIndex = GID_OUTOFGROUP;
+static void sendMessage(const char* theMessageName,
+ const CompositeFeaturePtr& theSketch,
+ const int theDOF)
+{
+ std::shared_ptr<ModelAPI_SolverFailedMessage> aMessage =
+ std::shared_ptr<ModelAPI_SolverFailedMessage>(
+ new ModelAPI_SolverFailedMessage(Events_Loop::eventByName(theMessageName)));
+ std::set<ObjectPtr> anObjects;
+ anObjects.insert(theSketch);
+ aMessage->setObjects(anObjects);
+ aMessage->dof(theDOF);
-static void sendMessage(const char* theMessageName)
-{
- std::shared_ptr<Events_Message> aMessage = std::shared_ptr<Events_Message>(
- new Events_Message(Events_Loop::eventByName(theMessageName)));
Events_Loop::loop()->send(aMessage);
}
// ========= SketchSolver_Group ===============
// ========================================================
-SketchSolver_Group::SketchSolver_Group(
- std::shared_ptr<ModelAPI_CompositeFeature> theWorkplane)
- : myID(GroupIndexer::NEW_GROUP()),
- myPrevSolved(true)
+SketchSolver_Group::SketchSolver_Group(const CompositeFeaturePtr& theWorkplane)
+ : mySketch(theWorkplane),
+ myPrevResult(PlaneGCSSolver_Solver::STATUS_UNKNOWN),
+ myDOF(0),
+ myIsEventsBlocked(false),
+ myMultiConstraintUpdateStack(0)
{
- // Initialize workplane
- myWorkplaneID = EID_UNKNOWN;
- addWorkplane(theWorkplane);
+ mySketchSolver = SolverPtr(new PlaneGCSSolver_Solver);
+ myStorage = StoragePtr(new PlaneGCSSolver_Storage(mySketchSolver));
}
SketchSolver_Group::~SketchSolver_Group()
{
myConstraints.clear();
- GroupIndexer::REMOVE_GROUP(myID);
-}
-
-// ============================================================================
-// Function: isBaseWorkplane
-// Class: SketchSolver_Group
-// Purpose: verify the group is based on the given workplane
-// ============================================================================
-bool SketchSolver_Group::isBaseWorkplane(CompositeFeaturePtr theWorkplane) const
-{
- return theWorkplane == mySketch;
-}
-
-// ============================================================================
-// Function: isInteract
-// Class: SketchSolver_Group
-// Purpose: verify are there any entities in the group used by given constraint
-// ============================================================================
-bool SketchSolver_Group::isInteract(FeaturePtr theFeature) const
-{
- // Empty group interacts with everything
- if (isEmpty())
- return true;
- // Check interaction with the storage
- return myStorage->isInteract(theFeature);
+ // send the message that there is no more conflicting constraints
+ if (!myConflictingConstraints.empty()) {
+ sendMessage(EVENT_SOLVER_REPAIRED, myConflictingConstraints);
+ myConflictingConstraints.clear();
+ }
}
// ============================================================================
bool SketchSolver_Group::changeConstraint(
std::shared_ptr<SketchPlugin_Constraint> theConstraint)
{
- // There is no workplane yet, something wrong
- if (myWorkplaneID == EID_UNKNOWN)
- return false;
-
- if (!theConstraint || !theConstraint->data())
- return false;
-
- if (!checkFeatureValidity(theConstraint))
- return false;
-
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- myStorage->blockEvents(true);
-
bool isNewConstraint = myConstraints.find(theConstraint) == myConstraints.end();
if (isNewConstraint) {
// Add constraint to the current group
- SolverConstraintPtr aConstraint = aBuilder->createConstraint(theConstraint);
+ SolverConstraintPtr aConstraint = PlaneGCSSolver_Tools::createConstraint(theConstraint);
if (!aConstraint)
return false;
- aConstraint->process(myStorage, getId(), getWorkplaneId());
+ aConstraint->process(myStorage, myIsEventsBlocked);
if (!aConstraint->error().empty()) {
if (aConstraint->error() == SketchSolver_Error::NOT_INITIALIZED())
return false; // some attribute are not initialized yet, don't show message
- Events_Error::send(aConstraint->error(), this);
+ Events_InfoMessage("SketchSolver_Group", aConstraint->error(), this).send();
}
myConstraints[theConstraint] = aConstraint;
}
else
myConstraints[theConstraint]->update();
- // Fix mirror line
- if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
- AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
- theConstraint->attribute(SketchPlugin_ConstraintMirror::ENTITY_A()));
- if (aRefAttr && aRefAttr->isObject()) {
- std::shared_ptr<SketchPlugin_Feature> aFeature =
- std::dynamic_pointer_cast<SketchPlugin_Feature>(
- ModelAPI_Feature::feature(aRefAttr->object()));
- if (aFeature) {
- SolverConstraintPtr aConstraint = aBuilder->createFixedConstraint(aFeature);
- if (aConstraint) {
- aConstraint->process(myStorage, getId(), getWorkplaneId());
- setTemporary(aConstraint);
- }
- }
- }
- }
+ // constraint is created/updated => reset stack of "multi" constraints updates
+ myMultiConstraintUpdateStack = 0;
return true;
}
-
-void SketchSolver_Group::updateConstraints()
-{
- std::set<SolverConstraintPtr> aPostponed; // postponed constraints Multi-Rotation and Multi-Translation
-
- ConstraintConstraintMap::iterator anIt = myConstraints.begin();
- for (; anIt != myConstraints.end(); ++anIt) {
- if (myChangedConstraints.find(anIt->first) == myChangedConstraints.end())
- continue;
- if (anIt->first->getKind() == SketchPlugin_MultiRotation::ID() ||
- anIt->first->getKind() == SketchPlugin_MultiTranslation::ID())
- aPostponed.insert(anIt->second);
- else
- anIt->second->update();
- }
-
- // Update postponed constraints
- std::set<SolverConstraintPtr>::iterator aSCIter = aPostponed.begin();
- for (; aSCIter != aPostponed.end(); ++aSCIter)
- (*aSCIter)->update();
-
- myChangedConstraints.clear();
-}
-
-static void updateMultiConstraints(ConstraintConstraintMap& theConstraints, FeaturePtr theFeature)
-{
- ConstraintConstraintMap::iterator aCIt = theConstraints.begin();
- for (; aCIt != theConstraints.end(); ++aCIt) {
- if ((aCIt->second->getType() == CONSTRAINT_MULTI_ROTATION ||
- aCIt->second->getType() == CONSTRAINT_MULTI_TRANSLATION)
- && aCIt->second->isUsed(theFeature))
- std::dynamic_pointer_cast<SketchSolver_ConstraintMulti>(aCIt->second)->update(true);
- }
-}
-
bool SketchSolver_Group::updateFeature(FeaturePtr theFeature)
{
- if (!checkFeatureValidity(theFeature))
- return false;
-
- myStorage->blockEvents(true);
- myStorage->refresh(true);
- bool isUpdated = myStorage->update(theFeature);
-
- updateMultiConstraints(myConstraints, theFeature);
- return isUpdated;
+ return myStorage->update(theFeature);
}
-void SketchSolver_Group::moveFeature(FeaturePtr theFeature)
+bool SketchSolver_Group::moveFeature(FeaturePtr theFeature)
{
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
-
- // Firstly, revert changes in the fixed entities
- myStorage->blockEvents(true);
- myStorage->refresh(true);
+ bool isFeatureExists = (myStorage->entity(theFeature).get() != 0);
+ if (myDOF == 0 && isFeatureExists) {
+ // avoid moving elements of fully constrained sketch
+ myStorage->refresh();
+ return true;
+ }
- // Then, create temporary Fixed constraint
- SolverConstraintPtr aConstraint = aBuilder->createMovementConstraint(theFeature);
+ // Create temporary Fixed constraint
+ std::shared_ptr<SketchSolver_ConstraintFixed> aConstraint =
+ PlaneGCSSolver_Tools::createMovementConstraint(theFeature);
if (!aConstraint)
- return;
- aConstraint->process(myStorage, getId(), getWorkplaneId());
- if (aConstraint->error().empty())
+ return false;
+ SolverConstraintPtr(aConstraint)->process(myStorage, myIsEventsBlocked);
+ if (aConstraint->error().empty()) {
setTemporary(aConstraint);
+ if (!myStorage->isEmpty())
+ myStorage->setNeedToResolve(true);
- // Secondly, search attributes of the feature in the list of the Multi constraints and update them
- updateMultiConstraints(myConstraints, theFeature);
-}
-
-// ============================================================================
-// Function: addWorkplane
-// Class: SketchSolver_Group
-// Purpose: create workplane for the group
-// ============================================================================
-bool SketchSolver_Group::addWorkplane(CompositeFeaturePtr theSketch)
-{
- if (myWorkplaneID != EID_UNKNOWN || theSketch->getKind() != SketchPlugin_Sketch::ID())
- return false; // the workplane already exists or the function parameter is not Sketch
-
- mySketch = theSketch;
- if (!updateWorkplane()) {
- mySketch = CompositeFeaturePtr();
- return false;
+ mySketchSolver->initialize();
+ aConstraint->moveFeature();
}
- return true;
-}
-// ============================================================================
-// Function: updateWorkplane
-// Class: SketchSolver_Group
-// Purpose: update parameters of workplane
-// ============================================================================
-bool SketchSolver_Group::updateWorkplane()
-{
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- if (!myStorage) // Create storage if not exists
- myStorage = aBuilder->createStorage(getId());
-
- // sketch should be unchanged, set it out of current group
- bool isUpdated = myStorage->update(FeaturePtr(mySketch), GID_OUTOFGROUP);
- if (isUpdated) {
- EntityWrapperPtr anEntity = myStorage->entity(FeaturePtr(mySketch));
- myWorkplaneID = anEntity->id();
- }
- return isUpdated;
+ // notify all observers that theFeature has been changed
+ myStorage->notify(theFeature);
+ return true;
}
// ============================================================================
// ============================================================================
bool SketchSolver_Group::resolveConstraints()
{
- if (!myChangedConstraints.empty())
- updateConstraints();
+ static const int MAX_STACK_SIZE = 5;
+ // check the "Multi" constraints do not drop sketch into infinite loop
+ if (myMultiConstraintUpdateStack > MAX_STACK_SIZE) {
+ myMultiConstraintUpdateStack = 0;
+ myPrevResult = PlaneGCSSolver_Solver::STATUS_FAILED;
+ // generate error message due to loop update of the sketch
+ getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())
+ ->setValue(SketchSolver_Error::INFINITE_LOOP());
+ sendMessage(EVENT_SOLVER_FAILED, myConflictingConstraints);
+ return false;
+ }
bool aResolved = false;
- bool isGroupEmpty = isEmpty();
- if (myStorage->isNeedToResolve() && !isGroupEmpty) {
- if (!mySketchSolver)
- mySketchSolver = SketchSolver_Manager::instance()->builder()->createSolver();
-
- mySketchSolver->setGroup(myID);
- mySketchSolver->calculateFailedConstraints(false);
- myStorage->initializeSolver(mySketchSolver);
+ bool isGroupEmpty = isEmpty() && myStorage->isEmpty();
+ if (myStorage->isNeedToResolve() &&
+ (!isGroupEmpty || !myConflictingConstraints.empty() ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_FAILED)) {
- SketchSolver_SolveStatus aResult = STATUS_OK;
+ PlaneGCSSolver_Solver::SolveStatus aResult = PlaneGCSSolver_Solver::STATUS_OK;
try {
- if (myStorage->hasDuplicatedConstraint())
- aResult = STATUS_INCONSISTENT;
- else {
- // To avoid overconstraint situation, we will remove temporary constraints one-by-one
- // and try to find the case without overconstraint
- bool isLastChance = false;
- while (true) {
- aResult = mySketchSolver->solve();
- if (aResult == STATUS_OK || aResult == STATUS_EMPTYSET || isLastChance)
- break;
- // try to update parameters and resolve once again
- ConstraintConstraintMap::iterator aConstrIt = myConstraints.begin();
- for (; aConstrIt != myConstraints.end(); ++aConstrIt)
- aConstrIt->second->update();
- isLastChance = true;
-
- removeTemporaryConstraints();
- mySketchSolver->calculateFailedConstraints(true); // something failed => need to find it
- myStorage->initializeSolver(mySketchSolver);
- }
+ if (!isGroupEmpty)
+ aResult = mySketchSolver->solve();
+ if (aResult == PlaneGCSSolver_Solver::STATUS_FAILED &&
+ !myTempConstraints.empty()) {
+ mySketchSolver->undo();
+ removeTemporaryConstraints();
+ aResult = mySketchSolver->solve();
}
} catch (...) {
-// Events_Error::send(SketchSolver_Error::SOLVESPACE_CRASH(), this);
- getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue(SketchSolver_Error::SOLVESPACE_CRASH());
- if (myPrevSolved) {
+ getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())
+ ->setValue(SketchSolver_Error::SOLVESPACE_CRASH());
+ if (myPrevResult == PlaneGCSSolver_Solver::STATUS_OK ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_UNKNOWN) {
// the error message should be changed before sending the message
sendMessage(EVENT_SOLVER_FAILED);
- myPrevSolved = false;
+ myPrevResult = PlaneGCSSolver_Solver::STATUS_FAILED;
}
+ mySketchSolver->undo();
return false;
}
- if (aResult == STATUS_OK || aResult == STATUS_EMPTYSET) { // solution succeeded, store results into correspondent attributes
+ // solution succeeded, store results into correspondent attributes
+ if (aResult == PlaneGCSSolver_Solver::STATUS_OK ||
+ aResult == PlaneGCSSolver_Solver::STATUS_EMPTYSET) {
+ myStorage->setNeedToResolve(false);
myStorage->refresh();
- if (!myPrevSolved) {
- getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue("");
- // the error message should be changed before sending the message
- sendMessage(EVENT_SOLVER_REPAIRED);
- myPrevSolved = true;
+
+ // additional check that copied entities used in Mirror and other "Multi" constraints
+ // is not connected with their originals by constraints.
+ myMultiConstraintUpdateStack += 1;
+ aResolved = true;
+ if (myStorage->isNeedToResolve())
+ aResolved = resolveConstraints();
+
+ if (aResolved) {
+ myMultiConstraintUpdateStack -= 1;
+
+ if (myPrevResult != PlaneGCSSolver_Solver::STATUS_OK ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_UNKNOWN) {
+ getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue("");
+ std::set<ObjectPtr> aConflicting = myConflictingConstraints;
+ myConflictingConstraints.clear();
+ myPrevResult = PlaneGCSSolver_Solver::STATUS_OK;
+ // the error message should be changed before sending the message
+ sendMessage(EVENT_SOLVER_REPAIRED, aConflicting);
+ }
}
- } else if (!myConstraints.empty()) {
-// Events_Error::send(SketchSolver_Error::CONSTRAINTS(), this);
- getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue(SketchSolver_Error::CONSTRAINTS());
- if (myPrevSolved) {
+
+ // show degrees of freedom
+ computeDoF();
+ } else {
+ mySketchSolver->undo();
+ if (!myConstraints.empty()) {
// the error message should be changed before sending the message
- sendMessage(EVENT_SOLVER_FAILED);
- myPrevSolved = false;
+ getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())
+ ->setValue(SketchSolver_Error::CONSTRAINTS());
+ if (myPrevResult != aResult ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_UNKNOWN ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_FAILED) {
+ // Obtain list of conflicting constraints
+ std::set<ObjectPtr> aConflicting = myStorage->getConflictingConstraints(mySketchSolver);
+
+ if (!myConflictingConstraints.empty()) {
+ std::set<ObjectPtr>::iterator anIt = aConflicting.begin();
+ for (; anIt != aConflicting.end(); ++anIt)
+ myConflictingConstraints.erase(*anIt);
+ if (!myConflictingConstraints.empty()) {
+ // some constraints does not conflict, send corresponding message
+ sendMessage(EVENT_SOLVER_REPAIRED, myConflictingConstraints);
+ }
+ }
+ myConflictingConstraints = aConflicting;
+ if (!myConflictingConstraints.empty())
+ sendMessage(EVENT_SOLVER_FAILED, myConflictingConstraints);
+ myPrevResult = aResult;
+ }
}
}
- aResolved = true;
- } else if (!isGroupEmpty) {
- // Check there are constraints Fixed. If they exist, update parameters by stored values
- ConstraintConstraintMap::iterator aCIt = myConstraints.begin();
- for (; aCIt != myConstraints.end(); ++aCIt)
- if (aCIt->first->getKind() == SketchPlugin_ConstraintRigid::ID()) {
- aResolved = true;
- break;
- }
- if (aCIt != myConstraints.end())
- myStorage->refresh();
- }
+ } else if (isGroupEmpty && isWorkplaneValid())
+ computeDoF();
removeTemporaryConstraints();
- myStorage->blockEvents(false);
myStorage->setNeedToResolve(false);
return aResolved;
}
// ============================================================================
-// Function: mergeGroups
-// Class: SketchSolver_Group
-// Purpose: append specified group to the current group
-// ============================================================================
-void SketchSolver_Group::mergeGroups(const SketchSolver_Group& theGroup)
-{
- // If specified group is empty, no need to merge
- if (theGroup.isEmpty())
- return;
-
- std::set<ObjectPtr> aConstraints;
- ConstraintConstraintMap::const_iterator aConstrIter = theGroup.myConstraints.begin();
- for (; aConstrIter != theGroup.myConstraints.end(); aConstrIter++)
- aConstraints.insert(aConstrIter->first);
-
- std::list<FeaturePtr> aSortedConstraints = selectApplicableFeatures(aConstraints);
- std::list<FeaturePtr>::iterator aSCIter = aSortedConstraints.begin();
- for (; aSCIter != aSortedConstraints.end(); ++aSCIter) {
- ConstraintPtr aConstr = std::dynamic_pointer_cast<SketchPlugin_Constraint>(*aSCIter);
- if (!aConstr)
- continue;
- changeConstraint(aConstr);
- }
-}
-
-// ============================================================================
-// Function: splitGroup
+// Function: computeDoF
// Class: SketchSolver_Group
-// Purpose: divide the group into several subgroups
+// Purpose: compute DoF of the sketch and set corresponding field
// ============================================================================
-void SketchSolver_Group::splitGroup(std::list<SketchSolver_Group*>& theCuts)
+void SketchSolver_Group::computeDoF()
{
- // New storage will be used in trimmed way to store the list of constraint interacted together.
- StoragePtr aNewStorage = SketchSolver_Manager::instance()->builder()->createStorage(getId());
- std::list<ConstraintWrapperPtr> aDummyVec; // empty vector to avoid creation of solver's constraints
+ std::ostringstream aDoFMsg;
+ int aDoF = mySketchSolver->dof();
+ /// "DoF = 0" content of string value is used in PartSet by Sketch edit
+ /// If it is changed, it should be corrected also there
+ if (aDoF == 0)
+ aDoFMsg << "Sketch is fully fixed (DoF = 0)";
+ else
+ aDoFMsg << "DoF (degrees of freedom) = " << aDoF;
+ mySketch->string(SketchPlugin_Sketch::SOLVER_DOF())->setValue(aDoFMsg.str());
- // Obtain constraints, which should be separated
- std::list<ConstraintPtr> anUnusedConstraints;
- ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
- for ( ; aCIter != myConstraints.end(); aCIter++) {
- if (aNewStorage->isInteract(FeaturePtr(aCIter->first)))
- aNewStorage->addConstraint(aCIter->first, aDummyVec);
- else
- anUnusedConstraints.push_back(aCIter->first);
- }
+ if (aDoF > 0 && myDOF == 0)
+ sendMessage(EVENT_SKETCH_UNDER_CONSTRAINED, mySketch, aDoF);
+ else if (aDoF == 0 && myDOF > 0)
+ sendMessage(EVENT_SKETCH_FULLY_CONSTRAINED, mySketch, aDoF);
+ else if (aDoF < 0)
+ sendMessage(EVENT_SKETCH_OVER_CONSTRAINED, mySketch, aDoF);
- // Check the unused constraints once again, because they may become interacted with new storage since adding constraints
- std::list<ConstraintPtr>::iterator aUnuseIt = anUnusedConstraints.begin();
- while (aUnuseIt != anUnusedConstraints.end()) {
- if (aNewStorage->isInteract(FeaturePtr(*aUnuseIt))) {
- aNewStorage->addConstraint(*aUnuseIt, aDummyVec);
- anUnusedConstraints.erase(aUnuseIt);
- aUnuseIt = anUnusedConstraints.begin();
- continue;
- }
- aUnuseIt++;
- }
-
- std::list<SketchSolver_Group*>::iterator aCutsIter;
- aUnuseIt = anUnusedConstraints.begin();
- for ( ; aUnuseIt != anUnusedConstraints.end(); ++aUnuseIt) {
- // Remove unused constraints
- removeConstraint(*aUnuseIt);
- // Try to append constraint to already existent group
- for (aCutsIter = theCuts.begin(); aCutsIter != theCuts.end(); ++aCutsIter)
- if ((*aCutsIter)->isInteract(*aUnuseIt)) {
- (*aCutsIter)->changeConstraint(*aUnuseIt);
- break;
- }
- if (aCutsIter == theCuts.end()) {
- // Add new group
- SketchSolver_Group* aGroup = new SketchSolver_Group(mySketch);
- aGroup->changeConstraint(*aUnuseIt);
- theCuts.push_back(aGroup);
- } else {
- // Find other groups interacting with constraint
- std::list<SketchSolver_Group*>::iterator aBaseGroupIt = aCutsIter;
- for (++aCutsIter; aCutsIter != theCuts.end(); ++aCutsIter)
- if ((*aCutsIter)->isInteract(*aUnuseIt)) {
- (*aBaseGroupIt)->mergeGroups(**aCutsIter);
- std::list<SketchSolver_Group*>::iterator aRemoveIt = aCutsIter--;
- theCuts.erase(aRemoveIt);
- }
- }
- }
+ myDOF = aDoF;
}
// ============================================================================
-// Function: isConsistent
+// Function: repairConsistency
// Class: SketchSolver_Group
// Purpose: search removed entities and constraints
// ============================================================================
-bool SketchSolver_Group::isConsistent()
+void SketchSolver_Group::repairConsistency()
{
- if (isEmpty()) // no one constraint is initialized yet
- return true;
-
- // Check the features and constraint is the storage are valid
- bool aResult = myStorage->isConsistent();
- if (aResult) {
- // additional check of consistency of the Fixed constraint,
- // because they are not added to the storage
- ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
- for (; aCIter != myConstraints.end(); ++aCIter)
- if (aCIter->first->getKind() == SketchPlugin_ConstraintRigid::ID() &&
- (!aCIter->first->data() || !aCIter->first->data()->isValid())) {
- aResult = false;
- break;
- }
- }
- if (!aResult) {
+ if (!areConstraintsValid() || !myStorage->areFeaturesValid()) {
// remove invalid constraints
std::set<ConstraintPtr> anInvalidConstraints;
ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
std::set<ConstraintPtr>::const_iterator aRemoveIt = anInvalidConstraints.begin();
for (; aRemoveIt != anInvalidConstraints.end(); ++aRemoveIt)
removeConstraint(*aRemoveIt);
+
// remove invalid features
myStorage->removeInvalidEntities();
+
+ // show DoF
+ computeDoF();
}
- return aResult;
}
// ============================================================================
// ============================================================================
void SketchSolver_Group::removeTemporaryConstraints()
{
- std::set<SolverConstraintPtr>::iterator aTmpIt = myTempConstraints.begin();
- for (; aTmpIt != myTempConstraints.end(); ++aTmpIt)
- (*aTmpIt)->remove();
+ if (!myTempConstraints.empty()) {
+ mySketchSolver->removeConstraint(CID_MOVEMENT);
+
+ std::set<SolverConstraintPtr>::iterator aTmpIt = myTempConstraints.begin();
+ for (; aTmpIt != myTempConstraints.end(); ++aTmpIt)
+ (*aTmpIt)->remove();
+
+ myTempConstraints.clear();
+ }
- if (!myTempConstraints.empty())
- myStorage->verifyFixed();
myStorage->setNeedToResolve(false);
- myTempConstraints.clear();
}
// ============================================================================
// ============================================================================
void SketchSolver_Group::removeConstraint(ConstraintPtr theConstraint)
{
- bool isFullyRemoved = true;
ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
for (; aCIter != myConstraints.end(); aCIter++)
if (aCIter->first == theConstraint) {
- if (!aCIter->second->remove()) // the constraint is not fully removed
- isFullyRemoved = false;
+ aCIter->second->remove(); // the constraint is not fully removed
+
+ // constraint is removed => reset stack of "multi" constraints updates
+ myMultiConstraintUpdateStack = 0;
break;
}
- if (aCIter == myConstraints.end())
- return;
-
- if (isFullyRemoved)
+ if (aCIter != myConstraints.end())
myConstraints.erase(aCIter);
- else if (aCIter != myConstraints.end() &&
- aCIter->first->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
- // Update multicoincidence
- std::list<ConstraintPtr> aMultiCoinc;
- SolverConstraintPtr aCoincidence = aCIter->second;
- while (aCIter != myConstraints.end()) {
- if (aCIter->second != aCoincidence) {
- ++aCIter;
- continue;
- }
- if (aCIter->first != theConstraint)
- aMultiCoinc.push_back(aCIter->first);
- aCIter->second->remove();
- ConstraintConstraintMap::iterator aRemoveIt = aCIter++;
- myConstraints.erase(aRemoveIt);
- }
-
- std::list<ConstraintPtr>::iterator anIt = aMultiCoinc.begin();
- for (; anIt != aMultiCoinc.end(); ++anIt)
- changeConstraint(*anIt);
- }
-}
-
-// ============================================================================
-// Function: isComplexConstraint
-// Class: SketchSolver_Group
-// Purpose: verifies the constraint is complex, i.e. it needs another constraints to be created before
-// ============================================================================
-bool SketchSolver_Group::isComplexConstraint(FeaturePtr theConstraint)
-{
- return theConstraint->getKind() == SketchPlugin_ConstraintFillet::ID() ||
- theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID() ||
- theConstraint->getKind() == SketchPlugin_ConstraintTangent::ID();
}
// ============================================================================
myTempConstraints.insert(theConstraint);
}
-
// ============================================================================
-// Function: checkFeatureValidity
+// Function: blockEvents
// Class: SketchSolver_Group
-// Purpose: verifies is the feature valid
+// Purpose: block or unblock events from features in this group
// ============================================================================
-bool SketchSolver_Group::checkFeatureValidity(FeaturePtr theFeature)
+void SketchSolver_Group::blockEvents(bool isBlocked)
{
- if (!theFeature || !theFeature->data()->isValid())
- return true;
-
- SessionPtr aMgr = ModelAPI_Session::get();
- ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
- return aFactory->validate(theFeature);
-}
-
+ if (myIsEventsBlocked == isBlocked)
+ return;
+ // block/unblock events from the features in the storage
+ myStorage->blockEvents(isBlocked);
+ // block/unblock events from constraints
+ ConstraintConstraintMap::iterator aCIt = myConstraints.begin();
+ for (; aCIt != myConstraints.end(); ++aCIt)
+ aCIt->second->blockEvents(isBlocked);
-// =========== Auxiliary functions ========================================
-static double featureToVal(FeaturePtr theFeature)
-{
- if (theFeature->getKind() == SketchPlugin_Sketch::ID())
- return 0.0; // sketch
- ConstraintPtr aConstraint = std::dynamic_pointer_cast<SketchPlugin_Constraint>(theFeature);
- if (!aConstraint)
- return 1.0; // features (arc, circle, line, point)
-
- const std::string& anID = aConstraint->getKind();
- if (anID == SketchPlugin_ConstraintCoincidence::ID()) {
- AttributeRefAttrPtr anAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
- aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
- AttributeRefAttrPtr anAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
- aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
- if (anAttrA && anAttrB && (anAttrA->isObject() || anAttrB->isObject()))
- return 2.0; // point-on-line and point-on-circle should go before points coincidence constraint
- return 2.5;
- }
- if (anID == SketchPlugin_ConstraintDistance::ID() ||
- anID == SketchPlugin_ConstraintLength::ID() ||
- anID == SketchPlugin_ConstraintRadius::ID())
- return 3.0;
- if (anID == SketchPlugin_ConstraintAngle::ID())
- return 3.5;
- if (anID == SketchPlugin_ConstraintHorizontal::ID() ||
- anID == SketchPlugin_ConstraintVertical::ID() ||
- anID == SketchPlugin_ConstraintParallel::ID() ||
- anID == SketchPlugin_ConstraintPerpendicular::ID())
- return 4.0;
- if (anID == SketchPlugin_ConstraintEqual::ID())
- return 5.0;
- if (anID == SketchPlugin_ConstraintTangent::ID() ||
- anID == SketchPlugin_ConstraintMirror::ID())
- return 6.0;
- if (anID == SketchPlugin_ConstraintRigid::ID())
- return 7.0;
- if (anID == SketchPlugin_MultiRotation::ID() ||
- anID == SketchPlugin_MultiTranslation::ID())
- return 8.0;
-
- // all other constraints are placed between Equal and Tangent constraints
- return 5.5;
+ myIsEventsBlocked = isBlocked;
}
-static bool isLess(FeaturePtr theFeature1, FeaturePtr theFeature2)
+bool SketchSolver_Group::areConstraintsValid() const
{
- return featureToVal(theFeature1) < featureToVal(theFeature2);
-}
-
-std::list<FeaturePtr> SketchSolver_Group::selectApplicableFeatures(const std::set<ObjectPtr>& theObjects)
-{
- std::list<FeaturePtr> aResult;
- std::list<FeaturePtr>::iterator aResIt;
-
- std::set<ObjectPtr>::const_iterator anObjIter = theObjects.begin();
- for (; anObjIter != theObjects.end(); ++anObjIter) {
- // Operate sketch itself and SketchPlugin features only.
- // Also, the Fillet need to be skipped, because there are several separated constraints composing it.
- FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
- if (!aFeature)
- continue;
- std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
- std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
- if ((aFeature->getKind() != SketchPlugin_Sketch::ID() && !aSketchFeature) ||
- aFeature->getKind() == SketchPlugin_ConstraintFillet::ID())
- continue;
-
- // Find the place where to insert a feature
- for (aResIt = aResult.begin(); aResIt != aResult.end(); ++aResIt)
- if (isLess(aFeature, *aResIt))
- break;
- aResult.insert(aResIt, aFeature);
- }
-
- return aResult;
+ // Check the constraints are valid
+ ConstraintConstraintMap::const_iterator aCIter = myConstraints.begin();
+ for (; aCIter != myConstraints.end(); ++aCIter)
+ if (!aCIter->first->data() || !aCIter->first->data()->isValid())
+ return false;
+ return true;
}
-
