-// 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_Error.h>
#include <SketchSolver_Manager.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 <SketchPlugin_ConstraintMirror.h>
#include <SketchPlugin_ConstraintRigid.h>
+#include <SketchPlugin_MultiRotation.h>
+#include <SketchPlugin_MultiTranslation.h>
static void sendMessage(const char* theMessageName)
Events_Loop::loop()->send(aMessage);
}
+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);
+
+ Events_Loop::loop()->send(aMessage);
+}
+
// ========================================================
-// ========= SketchSolver_Group ===============
+// ========= SketchSolver_Group ===============
// ========================================================
SketchSolver_Group::SketchSolver_Group(const CompositeFeaturePtr& theWorkplane)
: mySketch(theWorkplane),
- myPrevResult(STATUS_UNKNOWN),
- myIsEventsBlocked(false)
+ myPrevResult(PlaneGCSSolver_Solver::STATUS_UNKNOWN),
+ myDOF(0),
+ myIsEventsBlocked(false),
+ myMultiConstraintUpdateStack(0)
{
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- mySketchSolver = aBuilder->createSolver();
- myStorage = aBuilder->createStorage(mySketchSolver);
+ mySketchSolver = SolverPtr(new PlaneGCSSolver_Solver);
+ myStorage = StoragePtr(new PlaneGCSSolver_Storage(mySketchSolver));
}
SketchSolver_Group::~SketchSolver_Group()
{
bool isNewConstraint = myConstraints.find(theConstraint) == myConstraints.end();
if (isNewConstraint) {
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
// Add constraint to the current group
- SolverConstraintPtr aConstraint = aBuilder->createConstraint(theConstraint);
+ SolverConstraintPtr aConstraint = PlaneGCSSolver_Tools::createConstraint(theConstraint);
if (!aConstraint)
return false;
aConstraint->process(myStorage, myIsEventsBlocked);
}
else
myConstraints[theConstraint]->update();
+
+ // constraint is created/updated => reset stack of "multi" constraints updates
+ myMultiConstraintUpdateStack = 0;
return true;
}
return myStorage->update(theFeature);
}
-bool SketchSolver_Group::moveFeature(FeaturePtr theFeature)
+template <class Type>
+static SolverConstraintPtr move(StoragePtr theStorage,
+ SolverPtr theSketchSolver,
+ int theSketchDOF,
+ bool theEventsBlocked,
+ Type theFeatureOrPoint,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theFrom,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theTo)
{
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
+ bool isEntityExists = (theStorage->entity(theFeatureOrPoint).get() != 0);
+ if (theSketchDOF == 0 && isEntityExists) {
+ // avoid moving elements of fully constrained sketch
+ theStorage->refresh();
+ return SolverConstraintPtr();
+ }
// Create temporary Fixed constraint
- SolverConstraintPtr aConstraint = aBuilder->createMovementConstraint(theFeature);
- if (!aConstraint)
- return false;
- aConstraint->process(myStorage, myIsEventsBlocked);
- if (aConstraint->error().empty())
- setTemporary(aConstraint);
- else
- myStorage->notify(theFeature);
+ std::shared_ptr<SketchSolver_ConstraintMovement> aConstraint =
+ PlaneGCSSolver_Tools::createMovementConstraint(theFeatureOrPoint);
+ if (aConstraint) {
+ SolverConstraintPtr(aConstraint)->process(theStorage, theEventsBlocked);
+ if (aConstraint->error().empty()) {
+ aConstraint->startPoint(theFrom);
+ theSketchSolver->initialize();
+ aConstraint->moveTo(theTo);
+ theStorage->setNeedToResolve(true);
+ } else
+ theStorage->notify(aConstraint->movedFeature());
+ }
+
+ return aConstraint;
+}
+
+bool SketchSolver_Group::moveFeature(FeaturePtr theFeature,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theFrom,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theTo)
+{
+ SolverConstraintPtr aConstraint =
+ move(myStorage, mySketchSolver, myDOF, myIsEventsBlocked, theFeature, theFrom, theTo);
+ setTemporary(aConstraint);
+ return true;
+}
+bool SketchSolver_Group::movePoint(AttributePtr theAttribute,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theFrom,
+ const std::shared_ptr<GeomAPI_Pnt2d>& theTo)
+{
+ SolverConstraintPtr aConstraint =
+ move(myStorage, mySketchSolver, myDOF, myIsEventsBlocked, theAttribute, theFrom, theTo);
+ setTemporary(aConstraint);
return true;
}
// ============================================================================
bool SketchSolver_Group::resolveConstraints()
{
+ 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() && myStorage->isEmpty();
if (myStorage->isNeedToResolve() &&
- (!isGroupEmpty || !myConflictingConstraints.empty() || myPrevResult == STATUS_FAILED)) {
-//// if (!mySketchSolver)
-//// mySketchSolver = SketchSolver_Manager::instance()->builder()->createSolver();
+ (!isGroupEmpty || !myConflictingConstraints.empty() ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_FAILED)) {
-//// mySketchSolver->calculateFailedConstraints(false);
-//// myStorage->initializeSolver();
-//// mySketchSolver->prepare();
-
- SketchSolver_SolveStatus aResult = STATUS_OK;
+ PlaneGCSSolver_Solver::SolveStatus aResult = PlaneGCSSolver_Solver::STATUS_OK;
try {
- if (!isGroupEmpty) {
- // 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();
- }
+ 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 (myPrevResult == STATUS_OK || myPrevResult == STATUS_UNKNOWN) {
+ 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);
- myPrevResult = STATUS_FAILED;
+ myPrevResult = PlaneGCSSolver_Solver::STATUS_FAILED;
}
mySketchSolver->undo();
return false;
}
// solution succeeded, store results into correspondent attributes
- if (aResult == STATUS_OK || aResult == STATUS_EMPTYSET) {
+ if (aResult == PlaneGCSSolver_Solver::STATUS_OK ||
+ aResult == PlaneGCSSolver_Solver::STATUS_EMPTYSET) {
myStorage->setNeedToResolve(false);
myStorage->refresh();
-//// updateMultiConstraints(myConstraints);
-//// // multi-constraints updated some parameters, need to store them
-//// if (myStorage->isNeedToResolve())
-//// resolveConstraints();
-
- if (myPrevResult != STATUS_OK || myPrevResult == STATUS_UNKNOWN) {
- getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())->setValue("");
- std::set<ObjectPtr> aConflicting = myConflictingConstraints;
- myConflictingConstraints.clear();
- myPrevResult = STATUS_OK;
- // the error message should be changed before sending the message
- sendMessage(EVENT_SOLVER_REPAIRED, aConflicting);
+
+ // 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);
+ }
}
// show degrees of freedom
getWorkplane()->string(SketchPlugin_Sketch::SOLVER_ERROR())
->setValue(SketchSolver_Error::CONSTRAINTS());
if (myPrevResult != aResult ||
- myPrevResult == STATUS_UNKNOWN ||
- myPrevResult == STATUS_FAILED) {
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_UNKNOWN ||
+ myPrevResult == PlaneGCSSolver_Solver::STATUS_FAILED) {
// Obtain list of conflicting constraints
std::set<ObjectPtr> aConflicting = myStorage->getConflictingConstraints(mySketchSolver);
}
}
- aResolved = true;
- } else if (!isGroupEmpty) {
- // Check if the group contains only constraints Fixed, update parameters by stored values
- aResolved = true;
- ConstraintConstraintMap::iterator aCIt = myConstraints.begin();
- for (; aCIt != myConstraints.end(); ++aCIt)
- if (aCIt->first->getKind() != SketchPlugin_ConstraintRigid::ID()) {
- aResolved = false;
- break;
- }
- if (aCIt == myConstraints.end())
- myStorage->refresh();
- } else if (isGroupEmpty)
+ } else if (isGroupEmpty && isWorkplaneValid())
computeDoF();
removeTemporaryConstraints();
myStorage->setNeedToResolve(false);
// Class: SketchSolver_Group
// Purpose: compute DoF of the sketch and set corresponding field
// ============================================================================
-void SketchSolver_Group::computeDoF() const
+void SketchSolver_Group::computeDoF()
{
std::ostringstream aDoFMsg;
- int aDoF = /*isEmpty() ? myStorage->numberOfParameters() :*/ mySketchSolver->dof();
+ 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());
+
+ 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);
+
+ myDOF = aDoF;
}
// ============================================================================
// ============================================================================
void SketchSolver_Group::repairConsistency()
{
- if (!myStorage->isConsistent()) {
+ if (!areConstraintsValid() || !myStorage->areFeaturesValid()) {
// remove invalid constraints
std::set<ConstraintPtr> anInvalidConstraints;
ConstraintConstraintMap::iterator aCIter = myConstraints.begin();
void SketchSolver_Group::removeTemporaryConstraints()
{
if (!myTempConstraints.empty()) {
- std::dynamic_pointer_cast<PlaneGCSSolver_Solver>(
- mySketchSolver)->removeConstraint(CID_MOVEMENT);
+ mySketchSolver->removeConstraint(CID_MOVEMENT);
std::set<SolverConstraintPtr>::iterator aTmpIt = myTempConstraints.begin();
for (; aTmpIt != myTempConstraints.end(); ++aTmpIt)
for (; aCIter != myConstraints.end(); aCIter++)
if (aCIter->first == theConstraint) {
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())
// ============================================================================
void SketchSolver_Group::setTemporary(SolverConstraintPtr theConstraint)
{
- myTempConstraints.insert(theConstraint);
+ if (theConstraint)
+ myTempConstraints.insert(theConstraint);
}
// ============================================================================
myIsEventsBlocked = isBlocked;
}
+
+bool SketchSolver_Group::areConstraintsValid() const
+{
+ // 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;
+}
