// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
// File: SketchSolver_Storage.cpp
-// Created: 30 Nov 2015
+// Created: 18 Mar 2015
// Author: Artem ZHIDKOV
#include <SketchSolver_Storage.h>
-#include <SketchSolver_Manager.h>
-#include <GeomDataAPI_Point2D.h>
-#include <ModelAPI_AttributeRefAttr.h>
-#include <SketchPlugin_Arc.h>
-#include <SketchPlugin_Circle.h>
+#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
+#include <math.h>
+/** \brief Search the entity/parameter with specified ID in the list of elements
+ * \param[in] theEntityID unique ID of the element
+ * \param[in] theEntities list of elements
+ * \return position of the found element or -1 if the element is not found
+ */
+template<typename T>
+static int Search(const uint32_t& theEntityID, const std::vector<T>& theEntities);
-/// \brief Verify two vectors of constraints are equal.
-/// Vectors differ by the order of elements are equal.
-static bool isEqual(const std::list<ConstraintWrapperPtr>& theCVec1,
- const std::list<ConstraintWrapperPtr>& theCVec2);
+/// \brief Compare two parameters to be different
+static bool IsNotEqual(const Slvs_Param& theParam1, const Slvs_Param& theParam2);
+/// \brief Compare two entities to be different
+static bool IsNotEqual(const Slvs_Entity& theEntity1, const Slvs_Entity& theEntity2);
+/// \brief Compare two constriants to be different
+static bool IsNotEqual(const Slvs_Constraint& theConstraint1, const Slvs_Constraint& theConstraint2);
-void SketchSolver_Storage::addConstraint(ConstraintPtr theConstraint,
- ConstraintWrapperPtr theSolverConstraint)
+SketchSolver_Storage::SketchSolver_Storage()
+ : myParamMaxID(SLVS_E_UNKNOWN),
+ myEntityMaxID(SLVS_E_UNKNOWN),
+ myConstrMaxID(SLVS_C_UNKNOWN),
+ myFixed(SLVS_E_UNKNOWN),
+ myNeedToResolve(false),
+ myDuplicatedConstraint(false)
{
- std::list<ConstraintWrapperPtr> aConstrList(1, theSolverConstraint);
- addConstraint(theConstraint, aConstrList);
}
-void SketchSolver_Storage::addConstraint(
- ConstraintPtr theConstraint,
- std::list<ConstraintWrapperPtr> theSolverConstraints)
+Slvs_hParam SketchSolver_Storage::addParameter(const Slvs_Param& theParam)
{
- std::map<ConstraintPtr, std::list<ConstraintWrapperPtr> >::const_iterator
- aFound = myConstraintMap.find(theConstraint);
- if (!isEqual(aFound->second, theSolverConstraints))
- setNeedToResolve(true);
+ if (theParam.h > 0 && theParam.h <= myParamMaxID) {
+ // parameter is already used, rewrite it
+ return updateParameter(theParam);
+ }
+
+ Slvs_Param aParam = theParam;
+ if (aParam.h > myParamMaxID)
+ myParamMaxID = aParam.h;
+ else
+ aParam.h = ++myParamMaxID;
+ myParameters.push_back(aParam);
+ myNeedToResolve = true;
+ return aParam.h;
+}
+
+Slvs_hParam SketchSolver_Storage::updateParameter(const Slvs_Param& theParam)
+{
+ if (theParam.h > 0 && theParam.h <= myParamMaxID) {
+ // parameter already used, rewrite it
+ int aPos = Search(theParam.h, myParameters);
+ if (aPos >= 0 && aPos < (int)myParameters.size()) {
+ if (IsNotEqual(myParameters[aPos], theParam))
+ myUpdatedParameters.insert(theParam.h);
+ myParameters[aPos] = theParam;
+ return theParam.h;
+ }
+ }
+
+ // Parameter is not found, add new one
+ Slvs_Param aParam = theParam;
+ aParam.h = 0;
+ return addParameter(aParam);
+}
- // Do not add point-point coincidence, because it is already made by setting
- // the same parameters for both points
- if (!theSolverConstraints.empty() &&
- theSolverConstraints.front()->type() != CONSTRAINT_PT_PT_COINCIDENT) {
- std::list<ConstraintWrapperPtr>::iterator aCIt = theSolverConstraints.begin();
- for (; aCIt != theSolverConstraints.end(); ++aCIt)
- update(*aCIt);
+bool SketchSolver_Storage::removeParameter(const Slvs_hParam& theParamID)
+{
+ int aPos = Search(theParamID, myParameters);
+ if (aPos >= 0 && aPos < (int)myParameters.size()) {
+ // Firstly, search the parametes is not used elsewhere
+ std::vector<Slvs_Entity>::const_iterator anEntIter = myEntities.begin();
+ for (; anEntIter != myEntities.end(); anEntIter++) {
+ for (int i = 0; i < 4; i++)
+ if (anEntIter->param[i] == theParamID)
+ return false;
+ }
+ // Remove parameter
+ myParameters.erase(myParameters.begin() + aPos);
+ myParamMaxID = myParameters.empty() ? SLVS_E_UNKNOWN : myParameters.back().h;
+ myNeedToResolve = true;
+ myRemovedParameters.insert(theParamID);
+ return true;
}
- myConstraintMap[theConstraint] = theSolverConstraints;
+ return false;
}
-void SketchSolver_Storage::addEntity(FeaturePtr theFeature,
- EntityWrapperPtr theSolverEntity)
+const Slvs_Param& SketchSolver_Storage::getParameter(const Slvs_hParam& theParamID) const
{
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFound = myFeatureMap.find(theFeature);
- if (aFound == myFeatureMap.end() || !aFound->second->isEqual(theSolverEntity))
- setNeedToResolve(true); // the entity is new or modified
+ int aPos = Search(theParamID, myParameters);
+ if (aPos >= 0 && aPos < (int)myParameters.size())
+ return myParameters[aPos];
- myFeatureMap[theFeature] = theSolverEntity;
+ // Parameter is not found, return empty object
+ static Slvs_Param aDummy;
+ aDummy.h = 0;
+ return aDummy;
}
-void SketchSolver_Storage::addEntity(AttributePtr theAttribute,
- EntityWrapperPtr theSolverEntity)
+
+Slvs_hEntity SketchSolver_Storage::addEntity(const Slvs_Entity& theEntity)
{
- std::map<AttributePtr, EntityWrapperPtr>::const_iterator aFound = myAttributeMap.find(theAttribute);
- if (aFound == myAttributeMap.end() || !aFound->second->isEqual(theSolverEntity))
- setNeedToResolve(true); // the entity is new or modified
+ if (theEntity.h > 0 && theEntity.h <= myEntityMaxID) {
+ // Entity is already used, rewrite it
+ return updateEntity(theEntity);
+ }
- myAttributeMap[theAttribute] = theSolverEntity;
+ Slvs_Entity aEntity = theEntity;
+ if (aEntity.h > myEntityMaxID)
+ myEntityMaxID = aEntity.h;
+ else
+ aEntity.h = ++myEntityMaxID;
+ myEntities.push_back(aEntity);
+ myNeedToResolve = true;
+ return aEntity.h;
}
+Slvs_hEntity SketchSolver_Storage::updateEntity(const Slvs_Entity& theEntity)
+{
+ if (theEntity.h > 0 && theEntity.h <= myEntityMaxID) {
+ // Entity already used, rewrite it
+ int aPos = Search(theEntity.h, myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size()) {
+ myNeedToResolve = myNeedToResolve || IsNotEqual(myEntities[aPos], theEntity);
+ myEntities[aPos] = theEntity;
+ return theEntity.h;
+ }
+ }
+
+ // Entity is not found, add new one
+ Slvs_Entity aEntity = theEntity;
+ aEntity.h = 0;
+ return addEntity(aEntity);
+}
-bool SketchSolver_Storage::update(FeaturePtr theFeature, const GroupID& theGroup)
+bool SketchSolver_Storage::removeEntity(const Slvs_hEntity& theEntityID)
{
- bool isUpdated = false;
- EntityWrapperPtr aRelated = entity(theFeature);
- if (!aRelated) { // Feature is not exist, create it
- std::list<EntityWrapperPtr> aSubs;
- // Firstly, create/update its attributes
- std::list<AttributePtr> anAttrs =
- theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
- std::list<AttributePtr>::const_iterator anIt = anAttrs.begin();
- for (; anIt != anAttrs.end(); ++anIt) {
- isUpdated = update(*anIt, theGroup) || isUpdated;
- aSubs.push_back(entity(*anIt));
+ bool aResult = true;
+ int aPos = Search(theEntityID, myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size()) {
+ // Firstly, check the entity and its attributes is not used elsewhere
+ std::set<Slvs_hEntity> anEntAndSubs;
+ anEntAndSubs.insert(theEntityID);
+ for (int i = 0; i < 4; i++)
+ if (myEntities[aPos].point[i] != SLVS_E_UNKNOWN)
+ anEntAndSubs.insert(myEntities[aPos].point[i]);
+
+ std::vector<Slvs_Entity>::const_iterator anEntIter = myEntities.begin();
+ for (; anEntIter != myEntities.end(); anEntIter++) {
+ for (int i = 0; i < 4; i++)
+ if (anEntAndSubs.find(anEntIter->point[i]) != anEntAndSubs.end())
+ return false;
+ if (anEntAndSubs.find(anEntIter->distance) != anEntAndSubs.end())
+ return false;
}
- // If the feature is a circle, add its radius as a sub
- if (theFeature->getKind() == SketchPlugin_Circle::ID()) {
- AttributePtr aRadius = theFeature->attribute(SketchPlugin_Circle::RADIUS_ID());
- isUpdated = update(aRadius, theGroup) || isUpdated;
- aSubs.push_back(entity(aRadius));
+ std::vector<Slvs_Constraint>::const_iterator aConstrIter = myConstraints.begin();
+ for (; aConstrIter != myConstraints.end(); aConstrIter++) {
+ Slvs_hEntity anEntIDs[6] = {aConstrIter->ptA, aConstrIter->ptB,
+ aConstrIter->entityA, aConstrIter->entityB,
+ aConstrIter->entityC, aConstrIter->entityD};
+ for (int i = 0; i < 6; i++)
+ if (anEntAndSubs.find(anEntIDs[i]) != anEntAndSubs.end())
+ return false;
+ }
+ // The entity is not used, remove it and its parameters
+ Slvs_Entity anEntity = myEntities[aPos];
+ myEntities.erase(myEntities.begin() + aPos);
+ myEntityMaxID = myEntities.empty() ? SLVS_E_UNKNOWN : myEntities.back().h;
+ if (anEntity.distance != SLVS_E_UNKNOWN)
+ aResult = aResult && removeParameter(anEntity.distance);
+ for (int i = 0; i < 4; i++)
+ if (anEntity.param[i] != SLVS_E_UNKNOWN)
+ aResult = removeParameter(anEntity.param[i]) && aResult;
+ for (int i = 0; i < 4; i++)
+ if (anEntity.point[i] != SLVS_E_UNKNOWN)
+ aResult = removeEntity(anEntity.point[i]) && aResult;
+ myNeedToResolve = true;
+ myRemovedEntities.insert(theEntityID);
+ if (anEntity.type == SLVS_E_POINT_IN_2D || anEntity.type == SLVS_E_POINT_IN_3D)
+ removeCoincidentPoint(theEntityID);
+ }
+ return aResult;
+}
+
+void SketchSolver_Storage::removeUnusedEntities()
+{
+ std::set<Slvs_hEntity> anUnusedEntities;
+ std::vector<Slvs_Entity>::const_iterator aEIt = myEntities.begin();
+ for (; aEIt != myEntities.end(); ++aEIt) {
+ if (aEIt->h == aEIt->wrkpl) {
+ // don't remove workplane
+ anUnusedEntities.erase(aEIt->point[0]);
+ anUnusedEntities.erase(aEIt->normal);
+ continue;
}
- // If the feature if circle or arc, we need to add normal of the sketch to the list of subs
- if (theFeature->getKind() == SketchPlugin_Arc::ID() ||
- theFeature->getKind() == SketchPlugin_Circle::ID()) {
- EntityWrapperPtr aNormal = getNormal();
- if (aNormal) aSubs.push_back(aNormal);
+ anUnusedEntities.insert(aEIt->h);
+ }
+
+ std::vector<Slvs_Constraint>::const_iterator aCIt = myConstraints.begin();
+ for (; aCIt != myConstraints.end(); ++aCIt) {
+ Slvs_hEntity aSubs[6] = {
+ aCIt->entityA, aCIt->entityB,
+ aCIt->entityC, aCIt->entityD,
+ aCIt->ptA, aCIt->ptB};
+ for (int i = 0; i < 6; i++) {
+ if (aSubs[i] != SLVS_E_UNKNOWN) {
+ anUnusedEntities.erase(aSubs[i]);
+ int aPos = Search(aSubs[i], myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size()) {
+ for (int j = 0; j < 4; j++)
+ if (myEntities[aPos].point[j] != SLVS_E_UNKNOWN)
+ anUnusedEntities.erase(myEntities[aPos].point[j]);
+ if (myEntities[aPos].distance != SLVS_E_UNKNOWN)
+ anUnusedEntities.erase(myEntities[aPos].distance);
+ }
+ }
}
- // Secondly, convert feature
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- aRelated = aBuilder->createFeature(theFeature, aSubs, theGroup);
- if (!aRelated)
- return false;
- addEntity(theFeature, aRelated);
- } else if (theGroup != GID_UNKNOWN)
- changeGroup(aRelated, theGroup);
- return update(aRelated) || isUpdated;
+ }
+
+ std::set<Slvs_hEntity>::const_iterator anEntIt = anUnusedEntities.begin();
+ while (anEntIt != anUnusedEntities.end()) {
+ int aPos = Search(*anEntIt, myEntities);
+ if (aPos < 0 && aPos >= (int)myEntities.size())
+ continue;
+ Slvs_Entity anEntity = myEntities[aPos];
+ // Remove entity if and only if all its parameters unused
+ bool isUsed = false;
+ if (anEntity.distance != SLVS_E_UNKNOWN &&
+ anUnusedEntities.find(anEntity.distance) == anUnusedEntities.end())
+ isUsed = true;
+ for (int i = 0; i < 4 && !isUsed; i++)
+ if (anEntity.point[i] != SLVS_E_UNKNOWN &&
+ anUnusedEntities.find(anEntity.point[i]) == anUnusedEntities.end())
+ isUsed = true;
+ if (isUsed) {
+ anUnusedEntities.erase(anEntity.distance);
+ for (int i = 0; i < 4; i++)
+ if (anEntity.point[i] != SLVS_E_UNKNOWN)
+ anUnusedEntities.erase(anEntity.point[i]);
+ std::set<Slvs_hEntity>::iterator aRemoveIt = anEntIt++;
+ anUnusedEntities.erase(aRemoveIt);
+ continue;
+ }
+ ++anEntIt;
+ }
+
+ for (anEntIt = anUnusedEntities.begin(); anEntIt != anUnusedEntities.end(); ++anEntIt) {
+ int aPos = Search(*anEntIt, myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size()) {
+ // Remove entity and its parameters
+ Slvs_Entity anEntity = myEntities[aPos];
+ myEntities.erase(myEntities.begin() + aPos);
+ myEntityMaxID = myEntities.empty() ? SLVS_E_UNKNOWN : myEntities.back().h;
+ if (anEntity.distance != SLVS_E_UNKNOWN)
+ removeParameter(anEntity.distance);
+ for (int i = 0; i < 4; i++)
+ if (anEntity.param[i] != SLVS_E_UNKNOWN)
+ removeParameter(anEntity.param[i]);
+ for (int i = 0; i < 4; i++)
+ if (anEntity.point[i] != SLVS_E_UNKNOWN)
+ removeEntity(anEntity.point[i]);
+ myRemovedEntities.insert(*anEntIt);
+ if (anEntity.type == SLVS_E_POINT_IN_2D || anEntity.type == SLVS_E_POINT_IN_3D)
+ removeCoincidentPoint(*anEntIt);
+ }
+ }
+
+ if (!anUnusedEntities.empty())
+ myNeedToResolve = true;
+}
+
+bool SketchSolver_Storage::isUsedByConstraints(const Slvs_hEntity& theEntityID) const
+{
+ std::vector<Slvs_Constraint>::const_iterator aCIt = myConstraints.begin();
+ for (; aCIt != myConstraints.end(); ++aCIt) {
+ Slvs_hEntity aSubs[6] = {
+ aCIt->entityA, aCIt->entityB,
+ aCIt->entityC, aCIt->entityD,
+ aCIt->ptA, aCIt->ptB};
+ for (int i = 0; i < 6; i++)
+ if (aSubs[i] != SLVS_E_UNKNOWN && aSubs[i] == theEntityID)
+ return true;
+ }
+ return false;
+}
+
+const Slvs_Entity& SketchSolver_Storage::getEntity(const Slvs_hEntity& theEntityID) const
+{
+ int aPos = Search(theEntityID, myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size())
+ return myEntities[aPos];
+
+ // Entity is not found, return empty object
+ static Slvs_Entity aDummy;
+ aDummy.h = SLVS_E_UNKNOWN;
+ return aDummy;
+}
+
+Slvs_hEntity SketchSolver_Storage::copyEntity(const Slvs_hEntity& theCopied)
+{
+ int aPos = Search(theCopied, myEntities);
+ if (aPos < 0 || aPos >= (int)myEntities.size())
+ return SLVS_E_UNKNOWN;
+
+ Slvs_Entity aCopy = myEntities[aPos];
+ aCopy.h = SLVS_E_UNKNOWN;
+ int i = 0;
+ while (aCopy.point[i] != SLVS_E_UNKNOWN) {
+ aCopy.point[i] = copyEntity(aCopy.point[i]);
+ i++;
+ }
+ if (aCopy.param[0] != SLVS_E_UNKNOWN) {
+ aPos = Search(aCopy.param[0], myParameters);
+ i = 0;
+ while (aCopy.param[i] != SLVS_E_UNKNOWN) {
+ Slvs_Param aNewParam = myParameters[aPos];
+ aNewParam.h = SLVS_E_UNKNOWN;
+ aCopy.param[i] = addParameter(aNewParam);
+ i++;
+ aPos++;
+ }
+ }
+ return addEntity(aCopy);
+}
+
+void SketchSolver_Storage::copyEntity(const Slvs_hEntity& theFrom, const Slvs_hEntity& theTo)
+{
+ int aPosFrom = Search(theFrom, myEntities);
+ int aPosTo = Search(theTo, myEntities);
+ if (aPosFrom < 0 || aPosFrom >= (int)myEntities.size() ||
+ aPosTo < 0 || aPosTo >= (int)myEntities.size())
+ return;
+
+ Slvs_Entity aEntFrom = myEntities[aPosFrom];
+ Slvs_Entity aEntTo = myEntities[aPosTo];
+ int i = 0;
+ while (aEntFrom.point[i] != SLVS_E_UNKNOWN) {
+ copyEntity(aEntFrom.point[i], aEntTo.point[i]);
+ i++;
+ }
+ if (aEntFrom.param[0] != SLVS_E_UNKNOWN) {
+ aPosFrom = Search(aEntFrom.param[0], myParameters);
+ aPosTo = Search(aEntTo.param[0], myParameters);
+ i = 0;
+ while (aEntFrom.param[i] != SLVS_E_UNKNOWN) {
+ myParameters[aPosTo++].val = myParameters[aPosFrom++].val;
+ i++;
+ }
+ }
}
-bool SketchSolver_Storage::update(AttributePtr theAttribute, const GroupID& theGroup)
+
+bool SketchSolver_Storage::isPointFixed(
+ const Slvs_hEntity& thePointID, Slvs_hConstraint& theFixed, bool theAccurate) const
+{
+ // Search the set of coincident points
+ std::set<Slvs_hEntity> aCoincident;
+ aCoincident.insert(thePointID);
+ std::vector< std::set<Slvs_hEntity> >::const_iterator aCPIter = myCoincidentPoints.begin();
+ for (; aCPIter != myCoincidentPoints.end(); aCPIter++)
+ if (aCPIter->find(thePointID) != aCPIter->end()) {
+ aCoincident = *aCPIter;
+ break;
+ }
+
+ // Check whether one of coincident points is out-of-group
+ std::set<Slvs_hEntity>::const_iterator aCoincIt = aCoincident.begin();
+ for (; aCoincIt != aCoincident.end(); ++aCoincIt) {
+ Slvs_Entity aPoint = getEntity(*aCoincIt);
+ if (aPoint.group == SLVS_G_OUTOFGROUP)
+ return true;
+ }
+
+ // Search the Rigid constraint
+ theFixed = SLVS_C_UNKNOWN;
+ std::vector<Slvs_Constraint>::const_iterator aConstrIter = myConstraints.begin();
+ for (; aConstrIter != myConstraints.end(); aConstrIter++)
+ if (aConstrIter->type == SLVS_C_WHERE_DRAGGED &&
+ aCoincident.find(aConstrIter->ptA) != aCoincident.end()) {
+ theFixed = aConstrIter->h;
+ if (aConstrIter->ptA == thePointID)
+ return true;
+ }
+ if (theFixed != SLVS_C_UNKNOWN)
+ return true;
+
+ if (theAccurate) {
+ // Try to find the fixed entity which uses such point or its coincidence
+ std::vector<Slvs_Entity>::const_iterator anEntIter = myEntities.begin();
+ for (; anEntIter != myEntities.end(); anEntIter++) {
+ for (int i = 0; i < 4; i++) {
+ Slvs_hEntity aPt = anEntIter->point[i];
+ if (aPt != SLVS_E_UNKNOWN &&
+ (aPt == thePointID || aCoincident.find(aPt) != aCoincident.end())) {
+ if (isEntityFixed(anEntIter->h, true))
+ return true;
+ }
+ }
+ }
+ }
+ return SLVS_E_UNKNOWN;
+}
+
+bool SketchSolver_Storage::isEntityFixed(const Slvs_hEntity& theEntityID, bool theAccurate) const
{
- AttributePtr anAttribute = theAttribute;
- AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
- if (aRefAttr) {
- if (aRefAttr->isObject()) {
- FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
- return update(aFeature, theGroup);
- } else
- anAttribute = aRefAttr->attr();
+ int aPos = Search(theEntityID, myEntities);
+ if (aPos < 0 || aPos >= (int)myEntities.size())
+ return false;
+
+ // Firstly, find how many points are under Rigid constraint
+ int aNbFixed = 0;
+ for (int i = 0; i < 4; i++) {
+ Slvs_hEntity aPoint = myEntities[aPos].point[i];
+ if (aPoint == SLVS_E_UNKNOWN)
+ continue;
+
+ std::set<Slvs_hEntity> aCoincident;
+ aCoincident.insert(aPoint);
+ std::vector< std::set<Slvs_hEntity> >::const_iterator aCPIter = myCoincidentPoints.begin();
+ for (; aCPIter != myCoincidentPoints.end(); aCPIter++)
+ if (aCPIter->find(aPoint) != aCPIter->end()) {
+ aCoincident = *aCPIter;
+ break;
+ }
+
+ // Search the Rigid constraint
+ std::vector<Slvs_Constraint>::const_iterator aConstrIter = myConstraints.begin();
+ for (; aConstrIter != myConstraints.end(); aConstrIter++)
+ if (aConstrIter->type == SLVS_C_WHERE_DRAGGED &&
+ aCoincident.find(aConstrIter->ptA) != aCoincident.end())
+ aNbFixed++;
}
- EntityWrapperPtr aRelated = entity(anAttribute);
- if (!aRelated) { // Attribute is not exist, create it
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- aRelated = aBuilder->createAttribute(anAttribute, theGroup);
- if (!aRelated)
+ std::list<Slvs_Constraint> aList;
+ std::list<Slvs_Constraint>::iterator anIt;
+ Slvs_hConstraint aTempID; // used in isPointFixed() method
+
+ if (myEntities[aPos].type == SLVS_E_LINE_SEGMENT) {
+ if (aNbFixed == 2)
+ return true;
+ else if (aNbFixed == 0 || !theAccurate)
+ return false;
+ // Additional check (the line may be fixed if it is used by different constraints):
+ // 1. The line is used in Equal constraint, another entity is fixed and there is a fixed point on line
+ aList = getConstraintsByType(SLVS_C_PT_ON_LINE);
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID && isPointFixed(anIt->ptA, aTempID))
+ break;
+ if (anIt != aList.end()) {
+ aList = getConstraintsByType(SLVS_C_EQUAL_LENGTH_LINES);
+ aList.splice(aList.end(), getConstraintsByType(SLVS_C_EQUAL_LINE_ARC_LEN));
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID || anIt->entityB == theEntityID) {
+ Slvs_hEntity anOther = anIt->entityA == theEntityID ? anIt->entityB : anIt->entityA;
+ if (isEntityFixed(anOther, false))
+ return true;
+ }
+ }
+ // 2. The line is used in Parallel/Perpendicular/Vertical/Horizontal and Length constraints
+ aList = getConstraintsByType(SLVS_C_PARALLEL);
+ aList.splice(aList.end(), getConstraintsByType(SLVS_C_PERPENDICULAR));
+ aList.splice(aList.end(), getConstraintsByType(SLVS_C_VERTICAL));
+ aList.splice(aList.end(), getConstraintsByType(SLVS_C_HORIZONTAL));
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID || anIt->entityB == theEntityID) {
+ Slvs_hEntity anOther = anIt->entityA == theEntityID ? anIt->entityB : anIt->entityA;
+ if (isEntityFixed(anOther, false))
+ break;
+ }
+ if (anIt != aList.end()) {
+ aList = getConstraintsByType(SLVS_C_PT_PT_DISTANCE);
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if ((anIt->ptA == myEntities[aPos].point[0] && anIt->ptB == myEntities[aPos].point[1]) ||
+ (anIt->ptA == myEntities[aPos].point[1] && anIt->ptB == myEntities[aPos].point[0]))
+ return true;
+ }
+ // 3. Another verifiers ...
+ } else if (myEntities[aPos].type == SLVS_E_CIRCLE) {
+ if (aNbFixed == 0)
+ return false;
+ // Search for Diameter constraint
+ aList = getConstraintsByType(SLVS_C_DIAMETER);
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID)
+ return true;
+ if (!theAccurate)
+ return false;
+ // Additional check (the circle may be fixed if it is used by different constraints):
+ // 1. The circle is used in Equal constraint and another entity is fixed
+ aList = getConstraintsByType(SLVS_C_EQUAL_RADIUS);
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID || anIt->entityB == theEntityID) {
+ Slvs_hEntity anOther = anIt->entityA == theEntityID ? anIt->entityB : anIt->entityA;
+ if (isEntityFixed(anOther, false))
+ return true;
+ }
+ // 2. Another verifiers ...
+ } else if (myEntities[aPos].type == SLVS_E_ARC_OF_CIRCLE) {
+ if (aNbFixed > 2)
+ return true;
+ else if (aNbFixed <= 1)
+ return false;
+ // Search for Diameter constraint
+ aList = getConstraintsByType(SLVS_C_DIAMETER);
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID)
+ return true;
+ if (!theAccurate)
return false;
- addEntity(anAttribute, aRelated);
- } else if (theGroup != GID_UNKNOWN)
- changeGroup(aRelated, theGroup);
- return update(aRelated);
+ // Additional check (the arc may be fixed if it is used by different constraints):
+ // 1. The arc is used in Equal constraint and another entity is fixed
+ aList = getConstraintsByType(SLVS_C_EQUAL_RADIUS);
+ aList.splice(aList.end(), getConstraintsByType(SLVS_C_EQUAL_LINE_ARC_LEN));
+ for (anIt = aList.begin(); anIt != aList.end(); anIt++)
+ if (anIt->entityA == theEntityID || anIt->entityB == theEntityID) {
+ Slvs_hEntity anOther = anIt->entityA == theEntityID ? anIt->entityB : anIt->entityA;
+ if (isEntityFixed(anOther, false))
+ return true;
+ }
+ // 2. Another verifiers ...
+ }
+ return false;
}
+Slvs_hConstraint SketchSolver_Storage::addConstraint(const Slvs_Constraint& theConstraint)
+{
+ if (theConstraint.h > 0 && theConstraint.h <= myConstrMaxID) {
+ // Constraint is already used, rewrite it
+ return updateConstraint(theConstraint);
+ }
+
+ Slvs_Constraint aConstraint = theConstraint;
+
+ // Find a constraint with same type uses same arguments to show user overconstraint situation
+ std::vector<Slvs_Constraint>::iterator aCIt = myConstraints.begin();
+ for (; aCIt != myConstraints.end(); aCIt++) {
+ if (aConstraint.type != aCIt->type)
+ continue;
+ if (aConstraint.ptA == aCIt->ptA && aConstraint.ptB == aCIt->ptB &&
+ aConstraint.entityA == aCIt->entityA && aConstraint.entityB == aCIt->entityB &&
+ aConstraint.entityC == aCIt->entityC && aConstraint.entityD == aCIt->entityD)
+ myDuplicatedConstraint = true;
+ }
+
+ if (aConstraint.h > myConstrMaxID)
+ myConstrMaxID = aConstraint.h;
+ else
+ aConstraint.h = ++myConstrMaxID;
+ myConstraints.push_back(aConstraint);
+ myNeedToResolve = true;
+ if (aConstraint.type == SLVS_C_POINTS_COINCIDENT)
+ addCoincidentPoints(aConstraint.ptA, aConstraint.ptB);
+ return aConstraint.h;
+}
-const std::list<ConstraintWrapperPtr>& SketchSolver_Storage::constraint(
- const ConstraintPtr& theConstraint) const
+Slvs_hConstraint SketchSolver_Storage::updateConstraint(const Slvs_Constraint& theConstraint)
{
- static std::list<ConstraintWrapperPtr> aDummy;
+ if (theConstraint.h > 0 && theConstraint.h <= myConstrMaxID) {
+ // Constraint already used, rewrite it
+ int aPos = Search(theConstraint.h, myConstraints);
+ if (aPos >= 0 && aPos < (int)myConstraints.size()) {
+ myNeedToResolve = myNeedToResolve || IsNotEqual(myConstraints[aPos], theConstraint);
+ myConstraints[aPos] = theConstraint;
+ if (theConstraint.type == SLVS_C_POINTS_COINCIDENT)
+ addCoincidentPoints(theConstraint.ptA, theConstraint.ptB);
+ return theConstraint.h;
+ }
+ }
- std::map<ConstraintPtr, std::list<ConstraintWrapperPtr>>::const_iterator
- aFound = myConstraintMap.find(theConstraint);
- if (aFound != myConstraintMap.end())
- return aFound->second;
- return aDummy;
+ // Constraint is not found, add new one
+ Slvs_Constraint aConstraint = theConstraint;
+ aConstraint.h = 0;
+ return addConstraint(aConstraint);
+}
+
+bool SketchSolver_Storage::removeConstraint(const Slvs_hConstraint& theConstraintID)
+{
+ bool aResult = true;
+ int aPos = Search(theConstraintID, myConstraints);
+ if (aPos >= 0 && aPos < (int)myConstraints.size()) {
+ Slvs_Constraint aConstraint = myConstraints[aPos];
+ myConstraints.erase(myConstraints.begin() + aPos);
+ myConstrMaxID = myConstraints.empty() ? SLVS_E_UNKNOWN : myConstraints.back().h;
+ myNeedToResolve = true;
+ myRemovedConstraints.insert(theConstraintID);
+ if (aConstraint.type == SLVS_C_POINTS_COINCIDENT)
+ removeCoincidence(aConstraint);
+
+ // Remove all entities
+ Slvs_hEntity anEntities[6] = {aConstraint.ptA, aConstraint.ptB,
+ aConstraint.entityA, aConstraint.entityB,
+ aConstraint.entityC, aConstraint.entityD};
+ for (int i = 0; i < 6; i++)
+ if (anEntities[i] != SLVS_E_UNKNOWN)
+ aResult = removeEntity(anEntities[i]) && aResult;
+ // remove temporary fixed point, if available
+ if (myFixed == theConstraintID)
+ myFixed = SLVS_E_UNKNOWN;
+ if (myDuplicatedConstraint) {
+ // Check the duplicated constraints are still available
+ myDuplicatedConstraint = false;
+ std::vector<Slvs_Constraint>::const_iterator anIt1 = myConstraints.begin();
+ std::vector<Slvs_Constraint>::const_iterator anIt2 = myConstraints.begin();
+ for (; anIt1 != myConstraints.end() && !myDuplicatedConstraint; anIt1++)
+ for (anIt2 = anIt1+1; anIt2 != myConstraints.end() && !myDuplicatedConstraint; anIt2++) {
+ if (anIt1->type != anIt2->type)
+ continue;
+ if (anIt1->ptA == anIt2->ptA && anIt1->ptB == anIt2->ptB &&
+ anIt1->entityA == anIt2->entityA && anIt1->entityB == anIt2->entityB &&
+ anIt1->entityC == anIt2->entityC && anIt1->entityD == anIt2->entityD)
+ myDuplicatedConstraint = true;
+ }
+ }
+ }
+ return aResult;
}
-const EntityWrapperPtr& SketchSolver_Storage::entity(const FeaturePtr& theFeature) const
+const Slvs_Constraint& SketchSolver_Storage::getConstraint(const Slvs_hConstraint& theConstraintID) const
{
- static EntityWrapperPtr aDummy;
+ int aPos = Search(theConstraintID, myConstraints);
+ if (aPos >= 0 && aPos < (int)myConstraints.size())
+ return myConstraints[aPos];
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFound = myFeatureMap.find(theFeature);
- if (aFound != myFeatureMap.end())
- return aFound->second;
+ // Constraint is not found, return empty object
+ static Slvs_Constraint aDummy;
+ aDummy.h = 0;
return aDummy;
}
-const EntityWrapperPtr& SketchSolver_Storage::entity(const AttributePtr& theAttribute) const
+std::list<Slvs_Constraint> SketchSolver_Storage::getConstraintsByType(int theConstraintType) const
+{
+ std::list<Slvs_Constraint> aResult;
+ std::vector<Slvs_Constraint>::const_iterator aCIter = myConstraints.begin();
+ for (; aCIter != myConstraints.end(); aCIter++)
+ if (aCIter->type == theConstraintType)
+ aResult.push_back(*aCIter);
+ return aResult;
+}
+
+
+void SketchSolver_Storage::addConstraintWhereDragged(const Slvs_hConstraint& theConstraintID)
+{
+ if (myFixed != SLVS_E_UNKNOWN)
+ return; // the point is already fixed
+ int aPos = Search(theConstraintID, myConstraints);
+ if (aPos >= 0 && aPos < (int)myConstraints.size())
+ myFixed = theConstraintID;
+}
+
+void SketchSolver_Storage::addTemporaryConstraint(const Slvs_hConstraint& theConstraintID)
{
- static EntityWrapperPtr aDummy;
+ myTemporaryConstraints.insert(theConstraintID);
+}
- std::map<AttributePtr, EntityWrapperPtr>::const_iterator
- aFound = myAttributeMap.find(theAttribute);
- if (aFound != myAttributeMap.end())
- return aFound->second;
+void SketchSolver_Storage::removeTemporaryConstraints()
+{
+ myTemporaryConstraints.clear();
+}
- AttributeRefAttrPtr aRefAttr =
- std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
- if (aRefAttr) {
- if (aRefAttr->isObject()) {
- FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
- return entity(aFeature);
- } else
- return entity(aRefAttr->attr());
+int SketchSolver_Storage::deleteTemporaryConstraint()
+{
+ if (myTemporaryConstraints.empty())
+ return 0;
+ // Search the point-on-line or a non-rigid constraint
+ std::set<Slvs_hConstraint>::iterator aCIt = myTemporaryConstraints.begin();
+ for (; aCIt != myTemporaryConstraints.end(); aCIt++) {
+ int aPos = Search(*aCIt, myConstraints);
+ if (aPos >= (int)myConstraints.size() || myConstraints[aPos].type != SLVS_C_WHERE_DRAGGED)
+ break;
+ std::vector<Slvs_Constraint>::iterator anIt = myConstraints.begin();
+ for (; anIt != myConstraints.end(); anIt++)
+ if (anIt->type == SLVS_C_PT_ON_LINE && anIt->ptA == myConstraints[aPos].ptA)
+ break;
+ if (anIt != myConstraints.end())
+ break;
}
- return aDummy;
+ if (aCIt == myTemporaryConstraints.end())
+ aCIt = myTemporaryConstraints.begin();
+ bool aNewFixed = (*aCIt == myFixed);
+ removeConstraint(*aCIt);
+ myTemporaryConstraints.erase(aCIt);
+ if (aNewFixed) {
+ for (aCIt = myTemporaryConstraints.begin(); aCIt != myTemporaryConstraints.end(); aCIt++) {
+ int aPos = Search(*aCIt, myConstraints);
+ if (myConstraints[aPos].type == SLVS_C_WHERE_DRAGGED) {
+ myFixed = *aCIt;
+ break;
+ }
+ }
+ }
+ return (int)myTemporaryConstraints.size();
}
-////const ParameterWrapperPtr& SketchSolver_Storage::parameter(const AttributeDoublePtr& theAttribute) const
-////{
-//// static ParameterWrapperPtr aDummy;
-////
-//// std::map<AttributeDoublePtr, ParameterWrapperPtr>::const_iterator
-//// aFound = myParametersMap.find(theAttribute);
-//// if (aFound != myParametersMap.end())
-//// return aFound->second;
-//// return aDummy;
-////}
+bool SketchSolver_Storage::isTemporary(const Slvs_hConstraint& theConstraintID) const
+{
+ return myTemporaryConstraints.find(theConstraintID) != myTemporaryConstraints.end();
+}
-bool SketchSolver_Storage::isInteract(const FeaturePtr& theFeature) const
+void SketchSolver_Storage::getRemoved(
+ std::set<Slvs_hParam>& theParameters,
+ std::set<Slvs_hEntity>& theEntities,
+ std::set<Slvs_hConstraint>& theConstraints)
{
- if (!theFeature)
- return false;
- if (myConstraintMap.empty())
- return true; // empty storage interacts with each feature
+ theParameters = myRemovedParameters;
+ theEntities = myRemovedEntities;
+ theConstraints = myRemovedConstraints;
+
+ myRemovedParameters.clear();
+ myRemovedEntities.clear();
+ myRemovedConstraints.clear();
+}
+
+void SketchSolver_Storage::initializeSolver(SketchSolver_Solver& theSolver)
+{
+ theSolver.setParameters(myParameters.data(), (int)myParameters.size());
+ theSolver.setEntities(myEntities.data(), (int)myEntities.size());
+
+ // Copy constraints excluding the fixed one
+ std::vector<Slvs_Constraint> aConstraints = myConstraints;
+ if (myFixed != SLVS_E_UNKNOWN) {
+ Slvs_hEntity aFixedPoint = SLVS_E_UNKNOWN;
+ std::vector<Slvs_Constraint>::iterator anIt = aConstraints.begin();
+ for (; anIt != aConstraints.end(); anIt++)
+ if (anIt->h == myFixed) {
+ aFixedPoint = anIt->ptA;
+ aConstraints.erase(anIt);
+ break;
+ }
+ // set dragged parameters
+ int aPos = Search(aFixedPoint, myEntities);
+ theSolver.setDraggedParameters(myEntities[aPos].param);
+ }
+ theSolver.setConstraints(aConstraints.data(), (int)aConstraints.size());
+}
+
+void SketchSolver_Storage::addCoincidentPoints(
+ const Slvs_hEntity& thePoint1, const Slvs_hEntity& thePoint2)
+{
+ std::vector< std::set<Slvs_hEntity> >::iterator aCIter = myCoincidentPoints.begin();
+ std::vector< std::set<Slvs_hEntity> >::iterator aFoundIter = myCoincidentPoints.end(); // already found coincidence
+ bool isFound = false;
+ for (; aCIter != myCoincidentPoints.end(); aCIter++) {
+ bool isFirstFound = aCIter->find(thePoint1) != aCIter->end();
+ bool isSecondFound = aCIter->find(thePoint2) != aCIter->end();
+ isFound = isFound || isFirstFound || isSecondFound;
+ if (isFirstFound && isSecondFound)
+ break; // already coincident
+ else if (isFirstFound || isSecondFound) {
+ if (aFoundIter != myCoincidentPoints.end()) {
+ // merge two sets
+ aFoundIter->insert(aCIter->begin(), aCIter->end());
+ myCoincidentPoints.erase(aCIter);
+ break;
+ } else
+ aFoundIter = aCIter;
+ aCIter->insert(thePoint1);
+ aCIter->insert(thePoint2);
+ }
+ }
+ // coincident points not found
+ if (!isFound) {
+ std::set<Slvs_hEntity> aNewSet;
+ aNewSet.insert(thePoint1);
+ aNewSet.insert(thePoint2);
+ myCoincidentPoints.push_back(aNewSet);
+ }
+}
+
+void SketchSolver_Storage::removeCoincidentPoint(const Slvs_hEntity& thePoint)
+{
+ std::vector< std::set<Slvs_hEntity> >::iterator aCIter = myCoincidentPoints.begin();
+ for (; aCIter != myCoincidentPoints.end(); aCIter++)
+ if (aCIter->find(thePoint) != aCIter->end()) {
+ aCIter->erase(thePoint);
+ if (aCIter->size() <= 1)
+ myCoincidentPoints.erase(aCIter);
+ break;
+ }
+}
- ConstraintPtr aConstraint = std::dynamic_pointer_cast<SketchPlugin_Constraint>(theFeature);
- if (aConstraint) {
- if (myConstraintMap.find(aConstraint) != myConstraintMap.end())
+void SketchSolver_Storage::removeCoincidence(const Slvs_Constraint& theCoincidence)
+{
+ // Find set of coincident points
+ std::vector< std::set<Slvs_hEntity> >::iterator aCIt = myCoincidentPoints.begin();
+ for (; aCIt != myCoincidentPoints.end(); ++aCIt)
+ if (aCIt->find(theCoincidence.ptA) != aCIt->end() ||
+ aCIt->find(theCoincidence.ptB) != aCIt->end())
+ break;
+ if (aCIt == myCoincidentPoints.end())
+ return;
+
+ // Leave only the points which are still coincident
+ std::set<Slvs_hEntity> aRemainCoincidence;
+ std::vector<Slvs_Constraint>::const_iterator aConstrIt = myConstraints.begin();
+ for (; aConstrIt != myConstraints.end(); ++aConstrIt) {
+ if (aConstrIt->type != SLVS_C_POINTS_COINCIDENT)
+ continue;
+ if (aCIt->find(aConstrIt->ptA) != aCIt->end() ||
+ aCIt->find(aConstrIt->ptB) != aCIt->end()) {
+ aRemainCoincidence.insert(aConstrIt->ptA);
+ aRemainCoincidence.insert(aConstrIt->ptB);
+ }
+ }
+ if (aRemainCoincidence.size() <= 1)
+ myCoincidentPoints.erase(aCIt);
+ else
+ aCIt->swap(aRemainCoincidence);
+}
+
+bool SketchSolver_Storage::isCoincident(
+ const Slvs_hEntity& thePoint1, const Slvs_hEntity& thePoint2) const
+{
+ std::vector< std::set<Slvs_hEntity> >::const_iterator aCIter = myCoincidentPoints.begin();
+ for (; aCIter != myCoincidentPoints.end(); aCIter++)
+ if (aCIter->find(thePoint1) != aCIter->end() && aCIter->find(thePoint2) != aCIter->end())
return true;
- } else if (myFeatureMap.find(theFeature) != myFeatureMap.end())
+ return false;
+}
+
+bool SketchSolver_Storage::isEqual(
+ const Slvs_hEntity& thePoint1, const Slvs_hEntity& thePoint2) const
+{
+ if (isCoincident(thePoint1, thePoint2))
return true;
- std::list<AttributePtr> anAttrList = theFeature->data()->attributes(std::string());
- std::list<AttributePtr>::const_iterator anIt = anAttrList.begin();
- for (; anIt != anAttrList.end(); ++anIt)
- if (isInteract(*anIt))
+ // Precise checking of coincidence: verify that points have equal coordinates
+ int aEnt1Pos = Search(thePoint1, myEntities);
+ int aEnt2Pos = Search(thePoint2, myEntities);
+ if (aEnt1Pos >= 0 && aEnt1Pos < (int)myEntities.size() &&
+ aEnt2Pos >= 0 && aEnt2Pos < (int)myEntities.size()) {
+ double aDist[2];
+ int aParamPos;
+ for (int i = 0; i < 2; i++) {
+ aParamPos = Search(myEntities[aEnt1Pos].param[i], myParameters);
+ aDist[i] = myParameters[aParamPos].val;
+ aParamPos = Search(myEntities[aEnt2Pos].param[i], myParameters);
+ aDist[i] -= myParameters[aParamPos].val;
+ }
+ if (aDist[0] * aDist[0] + aDist[1] * aDist[1] < tolerance * tolerance)
return true;
-
+ }
return false;
}
-bool SketchSolver_Storage::isInteract(const AttributePtr& theAttribute) const
+
+std::vector<Slvs_hConstraint> SketchSolver_Storage::fixEntity(const Slvs_hEntity& theEntity)
{
- if (!theAttribute)
- return false;
+ std::vector<Slvs_hConstraint> aNewConstraints;
- AttributeRefAttrPtr aRefAttr =
- std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
- if (!aRefAttr)
- return myAttributeMap.find(theAttribute) != myAttributeMap.end();
- if (!aRefAttr->isObject())
- return myAttributeMap.find(aRefAttr->attr()) != myAttributeMap.end();
+ int aPos = Search(theEntity, myEntities);
+ if (aPos >= 0 && aPos < (int)myEntities.size()) {
+ switch (myEntities[aPos].type) {
+ case SLVS_E_POINT_IN_2D:
+ case SLVS_E_POINT_IN_3D:
+ fixPoint(myEntities[aPos], aNewConstraints);
+ break;
+ case SLVS_E_LINE_SEGMENT:
+ fixLine(myEntities[aPos], aNewConstraints);
+ break;
+ case SLVS_E_CIRCLE:
+ fixCircle(myEntities[aPos], aNewConstraints);
+ break;
+ case SLVS_E_ARC_OF_CIRCLE:
+ fixArc(myEntities[aPos], aNewConstraints);
+ break;
+ default:
+ break;
+ }
+ }
- FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
- return isInteract(aFeature);
+ return aNewConstraints;
}
-bool SketchSolver_Storage::isConsistent() const
+void SketchSolver_Storage::fixPoint(const Slvs_Entity& thePoint,
+ std::vector<Slvs_hConstraint>& theCreated)
{
- // Check the constraints are valid
- std::map<ConstraintPtr, std::list<ConstraintWrapperPtr> >::const_iterator
- aCIter = myConstraintMap.begin();
- for (; aCIter != myConstraintMap.end(); ++aCIter)
- if (!aCIter->first->data() || !aCIter->first->data()->isValid())
- return false;
- // Check the features are valid
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFIter = myFeatureMap.begin();
- for (; aFIter != myFeatureMap.end(); aFIter++)
- if (!aFIter->first->data() || !aFIter->first->data()->isValid())
- return false;
- return true;
-}
-
-void SketchSolver_Storage::removeInvalidEntities()
-{
- // Remove invalid constraints
- std::list<ConstraintPtr> anInvalidConstraints;
- std::map<ConstraintPtr, std::list<ConstraintWrapperPtr> >::const_iterator
- aCIter = myConstraintMap.begin();
- for (; aCIter != myConstraintMap.end(); ++aCIter)
- if (!aCIter->first->data() || !aCIter->first->data()->isValid())
- anInvalidConstraints.push_back(aCIter->first);
- std::list<ConstraintPtr>::const_iterator anInvCIt = anInvalidConstraints.begin();
- for (; anInvCIt != anInvalidConstraints.end(); ++anInvCIt)
- removeConstraint(*anInvCIt);
- // Remove invalid features
- std::list<FeaturePtr> anInvalidFeatures;
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFIter = myFeatureMap.begin();
- for (; aFIter != myFeatureMap.end(); aFIter++)
- if (!aFIter->first->data() || !aFIter->first->data()->isValid())
- anInvalidFeatures.push_back(aFIter->first);
- std::list<FeaturePtr>::const_iterator anInvFIt = anInvalidFeatures.begin();
- for (; anInvFIt != anInvalidFeatures.end(); ++anInvFIt)
- removeEntity(*anInvFIt);
-}
-
-EntityWrapperPtr SketchSolver_Storage::getNormal() const
-{
- EntityWrapperPtr aSketch = sketch();
- if (!aSketch)
- return aSketch;
-
- // Find normal entity
- const std::list<EntityWrapperPtr>& aSketchSubs = aSketch->subEntities();
- std::list<EntityWrapperPtr>::const_iterator aSIt = aSketchSubs.begin();
- for (; aSIt != aSketchSubs.end(); ++aSIt)
- if ((*aSIt)->type() == ENTITY_NORMAL)
- return *aSIt;
- return EntityWrapperPtr();
-}
-
-const EntityWrapperPtr& SketchSolver_Storage::sketch() const
-{
- static EntityWrapperPtr aDummySketch;
-
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFIt = myFeatureMap.begin();
- for (; aFIt != myFeatureMap.end(); ++aFIt)
- if (aFIt->second->type() == ENTITY_SKETCH)
- break;
- if (aFIt == myFeatureMap.end())
- return aDummySketch;
- return aFIt->second;
+ Slvs_Constraint aConstraint;
+ Slvs_hConstraint aConstrID = SLVS_E_UNKNOWN;
+ bool isFixed = isPointFixed(thePoint.h, aConstrID, true);
+ bool isForceUpdate = (isFixed && isTemporary(aConstrID));
+ if (!isForceUpdate) { // create new constraint
+ if (isFixed) return;
+ aConstraint = Slvs_MakeConstraint(SLVS_E_UNKNOWN, thePoint.group, SLVS_C_WHERE_DRAGGED, thePoint.wrkpl,
+ 0.0, thePoint.h, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
+ aConstraint.h = addConstraint(aConstraint);
+ theCreated.push_back(aConstraint.h);
+ } else { // update already existent constraint
+ if (!isFixed || aConstrID == SLVS_E_UNKNOWN)
+ return;
+ int aPos = Search(aConstrID, myConstraints);
+ if (aPos >= 0 && aPos < (int)myConstraints.size())
+ myConstraints[aPos].ptA = thePoint.h;
+ }
}
-void SketchSolver_Storage::setSketch(const EntityWrapperPtr& theSketch)
+void SketchSolver_Storage::fixLine(const Slvs_Entity& theLine,
+ std::vector<Slvs_hConstraint>& theCreated)
{
- if (sketch())
+ Slvs_Entity aPoint[2] = {
+ getEntity(theLine.point[0]),
+ getEntity(theLine.point[1])
+ };
+
+ Slvs_Constraint anEqual;
+ if (isAxisParallel(theLine.h)) {
+ // Fix one point and a line length
+ Slvs_hConstraint aFixed;
+ if (!isPointFixed(theLine.point[0], aFixed, true) &&
+ !isPointFixed(theLine.point[1], aFixed, true))
+ fixPoint(aPoint[0], theCreated);
+ if (!isUsedInEqual(theLine.h, anEqual)) {
+ // Check the distance is not set yet
+ std::vector<Slvs_Constraint>::const_iterator aDistIt = myConstraints.begin();
+ for (; aDistIt != myConstraints.end(); ++aDistIt)
+ if ((aDistIt->type == SLVS_C_PT_PT_DISTANCE) &&
+ ((aDistIt->ptA == theLine.point[0] && aDistIt->ptB == theLine.point[1]) ||
+ (aDistIt->ptA == theLine.point[1] && aDistIt->ptB == theLine.point[0])))
+ return;
+ // Calculate distance between points on the line
+ double aCoords[4];
+ for (int i = 0; i < 2; i++)
+ for (int j = 0; j < 2; j++) {
+ Slvs_Param aParam = getParameter(aPoint[i].param[j]);
+ aCoords[2*i+j] = aParam.val;
+ }
+
+ double aLength = sqrt((aCoords[2] - aCoords[0]) * (aCoords[2] - aCoords[0]) +
+ (aCoords[3] - aCoords[1]) * (aCoords[3] - aCoords[1]));
+ // fix line length
+ Slvs_Constraint aDistance = Slvs_MakeConstraint(SLVS_E_UNKNOWN, theLine.group,
+ SLVS_C_PT_PT_DISTANCE, theLine.wrkpl, aLength,
+ theLine.point[0], theLine.point[1], SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
+ aDistance.h = addConstraint(aDistance);
+ theCreated.push_back(aDistance.h);
+ }
return;
- addEntity(FeaturePtr(), theSketch);
+ }
+ else if (isUsedInEqual(theLine.h, anEqual)) {
+ // Check another entity of Equal is already fixed
+ Slvs_hEntity anOtherEntID = anEqual.entityA == theLine.h ? anEqual.entityB : anEqual.entityA;
+ if (isEntityFixed(anOtherEntID, true)) {
+ // Fix start point of the line (if end point is not fixed yet) ...
+ Slvs_hConstraint anEndFixedID = SLVS_E_UNKNOWN;
+ bool isFixed = isPointFixed(theLine.point[1], anEndFixedID, true);
+ if (isFixed == SLVS_E_UNKNOWN)
+ fixPoint(aPoint[0], theCreated);
+ // ... and create fixed point lying on this line
+ Slvs_hEntity aPointToCopy = anEndFixedID == SLVS_E_UNKNOWN ? theLine.point[1] : theLine.point[0];
+ // Firstly, search already fixed point on line
+ bool isPonLineFixed = false;
+ Slvs_hEntity aFixedPoint;
+ std::vector<Slvs_Constraint>::const_iterator aPLIter = myConstraints.begin();
+ for (; aPLIter != myConstraints.end() && !isPonLineFixed; ++aPLIter)
+ if (aPLIter->type == SLVS_C_PT_ON_LINE && aPLIter->entityA == theLine.h) {
+ isPonLineFixed = isPointFixed(aPLIter->ptA, anEndFixedID);
+ aFixedPoint = aPLIter->ptA;
+ }
+
+ if (isPonLineFixed) { // update existent constraint
+ copyEntity(aPointToCopy, aFixedPoint);
+ } else { // create new constraint
+ Slvs_hEntity aCopied = copyEntity(aPointToCopy);
+ Slvs_Constraint aPonLine = Slvs_MakeConstraint(SLVS_E_UNKNOWN, theLine.group, SLVS_C_PT_ON_LINE,
+ theLine.wrkpl, 0.0, aCopied, SLVS_E_UNKNOWN, theLine.h, SLVS_E_UNKNOWN);
+ aPonLine.h = addConstraint(aPonLine);
+ theCreated.push_back(aPonLine.h);
+ fixPoint(getEntity(aCopied), theCreated);
+ }
+ return;
+ }
+ }
+
+ // Fix both points
+ for (int i = 0; i < 2; i++)
+ fixPoint(aPoint[i], theCreated);
}
-void SketchSolver_Storage::blockEvents(bool isBlocked) const
+void SketchSolver_Storage::fixCircle(const Slvs_Entity& theCircle,
+ std::vector<Slvs_hConstraint>& theCreated)
{
- std::map<ConstraintPtr, std::list<ConstraintWrapperPtr> >::const_iterator
- aCIter = myConstraintMap.begin();
- for (; aCIter != myConstraintMap.end(); aCIter++)
- if (aCIter->first->data() && aCIter->first->data()->isValid())
- aCIter->first->data()->blockSendAttributeUpdated(isBlocked);
+ bool isFixRadius = true;
+ // Verify the arc is under Equal constraint
+ Slvs_Constraint anEqual;
+ if (isUsedInEqual(theCircle.h, anEqual)) {
+ // Check another entity of Equal is already fixed
+ Slvs_hEntity anOtherEntID = anEqual.entityA == theCircle.h ? anEqual.entityB : anEqual.entityA;
+ if (isEntityFixed(anOtherEntID, true))
+ isFixRadius = false;
+ }
+
+ fixPoint(getEntity(theCircle.point[0]), theCreated);
- std::map<FeaturePtr, EntityWrapperPtr>::const_iterator aFIter = myFeatureMap.begin();
- for (; aFIter != myFeatureMap.end(); aFIter++)
- if (aFIter->first->data() && aFIter->first->data()->isValid())
- aFIter->first->data()->blockSendAttributeUpdated(isBlocked);
+ if (isFixRadius) {
+ // Search the radius is already fixed
+ std::vector<Slvs_Constraint>::const_iterator aDiamIter = myConstraints.begin();
+ for (; aDiamIter != myConstraints.end(); ++aDiamIter)
+ if (aDiamIter->type == SLVS_C_DIAMETER && aDiamIter->entityA == theCircle.h)
+ return;
- std::map<AttributePtr, EntityWrapperPtr>::const_iterator anAtIter = myAttributeMap.begin();
- for (; anAtIter != myAttributeMap.end(); anAtIter++)
- if (anAtIter->first->owner() && anAtIter->first->owner()->data() &&
- anAtIter->first->owner()->data()->isValid())
- anAtIter->first->owner()->data()->blockSendAttributeUpdated(isBlocked);
+ // Fix radius of a circle
+ const Slvs_Entity& aRadEnt = getEntity(theCircle.distance);
+ double aRadius = getParameter(aRadEnt.param[0]).val;
+ Slvs_Constraint aFixedR = Slvs_MakeConstraint(SLVS_E_UNKNOWN, theCircle.group, SLVS_C_DIAMETER,
+ theCircle.wrkpl, aRadius * 2.0, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN, theCircle.h, SLVS_E_UNKNOWN);
+ aFixedR.h = addConstraint(aFixedR);
+ theCreated.push_back(aFixedR.h);
+ }
}
+void SketchSolver_Storage::fixArc(const Slvs_Entity& theArc,
+ std::vector<Slvs_hConstraint>& theCreated)
+{
+ Slvs_Entity aPoint[3] = {
+ getEntity(theArc.point[0]),
+ getEntity(theArc.point[1]),
+ getEntity(theArc.point[2])
+ };
+
+ bool isFixRadius = true;
+ std::list<Slvs_Entity> aPointsToFix;
+ aPointsToFix.push_back(aPoint[1]);
+ aPointsToFix.push_back(aPoint[2]);
+
+ // Verify the arc is under Equal constraint
+ Slvs_Constraint anEqual;
+ if (isUsedInEqual(theArc.h, anEqual)) {
+ // Check another entity of Equal is already fixed
+ Slvs_hEntity anOtherEntID = anEqual.entityA == theArc.h ? anEqual.entityB : anEqual.entityA;
+ if (isEntityFixed(anOtherEntID, true)) {
+ isFixRadius = false;
+ Slvs_Entity anOtherEntity = getEntity(anOtherEntID);
+ if (anOtherEntity.type == SLVS_E_LINE_SEGMENT) {
+ aPointsToFix.pop_back();
+ aPointsToFix.push_back(aPoint[0]);
+ }
+ }
+ }
+
+ Slvs_hConstraint aConstrID;
+ int aNbPointsToFix = 2; // number of fixed points for the arc
+ if (isPointFixed(theArc.point[0], aConstrID, true))
+ aNbPointsToFix--;
+ double anArcPoints[3][2];
+ for (int i = 0; i < 3; i++) {
+ const Slvs_Entity& aPointOnArc = getEntity(theArc.point[i]);
+ for (int j = 0; j < 2; j++)
+ anArcPoints[i][j] = getParameter(aPointOnArc.param[j]).val;
+ }
+
+ // Radius of the arc
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter(new GeomAPI_Pnt2d(anArcPoints[0][0], anArcPoints[0][1]));
+ std::shared_ptr<GeomAPI_Pnt2d> aStart(new GeomAPI_Pnt2d(anArcPoints[1][0], anArcPoints[1][1]));
+ double aRadius = aCenter->distance(aStart);
+
+ // Update end point of the arc to be on a curve
+ std::shared_ptr<GeomAPI_Pnt2d> anEnd(new GeomAPI_Pnt2d(anArcPoints[2][0], anArcPoints[2][1]));
+ double aDistance = anEnd->distance(aCenter);
+ std::shared_ptr<GeomAPI_XY> aDir = anEnd->xy()->decreased(aCenter->xy());
+ if (aDistance < tolerance)
+ aDir = aStart->xy()->decreased(aCenter->xy())->multiplied(-1.0);
+ else
+ aDir = aDir->multiplied(aRadius / aDistance);
+ double xy[2] = {aCenter->x() + aDir->x(), aCenter->y() + aDir->y()};
+ const Slvs_Entity& aEndPoint = getEntity(theArc.point[2]);
+ for (int i = 0; i < 2; i++) {
+ Slvs_Param aParam = getParameter(aEndPoint.param[i]);
+ aParam.val = xy[i];
+ updateParameter(aParam);
+ }
+ std::list<Slvs_Entity>::iterator aPtIt = aPointsToFix.begin();
+ for (; aNbPointsToFix > 0; aPtIt++, aNbPointsToFix--)
+ fixPoint(*aPtIt, theCreated);
+
+ if (isFixRadius) {
+ // Fix radius of the arc
+ bool isExists = false;
+ std::vector<Slvs_Constraint>::iterator anIt = myConstraints.begin();
+ for (; anIt != myConstraints.end() && !isExists; ++anIt)
+ if (anIt->type == SLVS_C_DIAMETER && anIt->entityA == theArc.h)
+ isExists = true;
+ if (!isExists) {
+ Slvs_Constraint aFixedR = Slvs_MakeConstraint(SLVS_E_UNKNOWN, theArc.group, SLVS_C_DIAMETER,
+ theArc.wrkpl, aRadius * 2.0, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN, theArc.h, SLVS_E_UNKNOWN);
+ aFixedR.h = addConstraint(aFixedR);
+ theCreated.push_back(aFixedR.h);
+ }
+ }
+}
+bool SketchSolver_Storage::isAxisParallel(const Slvs_hEntity& theEntity) const
+{
+ std::vector<Slvs_Constraint>::const_iterator anIter = myConstraints.begin();
+ for (; anIter != myConstraints.end(); anIter++)
+ if ((anIter->type == SLVS_C_HORIZONTAL || anIter->type == SLVS_C_VERTICAL) &&
+ anIter->entityA == theEntity)
+ return true;
+ return false;
+}
-// ============== Auxiliary functions ====================================
-bool isEqual(const std::list<ConstraintWrapperPtr>& theCVec1,
- const std::list<ConstraintWrapperPtr>& theCVec2)
+bool SketchSolver_Storage::isUsedInEqual(
+ const Slvs_hEntity& theEntity, Slvs_Constraint& theEqual) const
{
- if (theCVec1.size() != theCVec2.size())
+ // Check the entity is used in Equal constraint
+ std::vector<Slvs_Constraint>::const_iterator anEqIter = myConstraints.begin();
+ for (; anEqIter != myConstraints.end(); anEqIter++)
+ if ((anEqIter->type == SLVS_C_EQUAL_LENGTH_LINES ||
+ anEqIter->type == SLVS_C_EQUAL_LINE_ARC_LEN ||
+ anEqIter->type == SLVS_C_EQUAL_RADIUS) &&
+ (anEqIter->entityA == theEntity || anEqIter->entityB == theEntity)) {
+ theEqual = *anEqIter;
+ return true;
+ }
+ return false;
+}
+
+bool SketchSolver_Storage::isNeedToResolve()
+{
+ if (myConstraints.empty())
return false;
- std::list<bool> aChecked(theCVec2.size(), false);
- std::list<ConstraintWrapperPtr>::const_iterator anIt1 = theCVec1.begin();
- for (; anIt1 != theCVec1.end(); ++anIt1) {
- std::list<ConstraintWrapperPtr>::const_iterator anIt2 = theCVec2.begin();
- std::list<bool>::iterator aCheckIt = aChecked.begin();
- while (aCheckIt != aChecked.end() && *aCheckIt) {
- ++aCheckIt;
- ++anIt2;
- }
- for (; anIt2 != theCVec2.end(); ++anIt2, ++aCheckIt)
- if (!(*aCheckIt) && (*anIt1)->isEqual(*anIt2)) {
- *aCheckIt = true;
- break;
- }
- // the same constraint is not found
- if (anIt2 == theCVec2.end())
- return false;
+ if (!myNeedToResolve) {
+ // Verify the updated parameters are used in constraints
+ std::set<Slvs_hEntity> aPoints;
+ std::vector<Slvs_Entity>::const_iterator anEntIt = myEntities.begin();
+ for (; anEntIt != myEntities.end(); ++anEntIt) {
+ for (int i = 0; i < 4 && anEntIt->param[i] != SLVS_E_UNKNOWN; ++i)
+ if (myUpdatedParameters.find(anEntIt->param[i]) != myUpdatedParameters.end()) {
+ aPoints.insert(anEntIt->h);
+ break;
+ }
+ }
+ std::set<Slvs_hEntity> anEntities = aPoints;
+ for (anEntIt = myEntities.begin(); anEntIt != myEntities.end(); ++anEntIt) {
+ for (int i = 0; i < 4 && anEntIt->point[i] != SLVS_E_UNKNOWN; ++i)
+ if (aPoints.find(anEntIt->point[i]) != aPoints.end()) {
+ anEntities.insert(anEntIt->h);
+ break;
+ }
+ }
+
+ std::vector<Slvs_Constraint>::const_iterator aCIt = myConstraints.begin();
+ for (; aCIt != myConstraints.end() && !myNeedToResolve; ++aCIt) {
+ Slvs_hEntity anAttrs[6] =
+ {aCIt->ptA, aCIt->ptB, aCIt->entityA, aCIt->entityB, aCIt->entityC, aCIt->entityD};
+ for (int i = 0; i < 6; i++)
+ if (anAttrs[i] != SLVS_E_UNKNOWN && anEntities.find(anAttrs[i]) != anEntities.end()) {
+ myNeedToResolve = true;
+ break;
+ }
+ }
}
- return true;
+
+ myUpdatedParameters.clear();
+ return myNeedToResolve;
+}
+
+
+
+
+
+
+// ========================================================
+// ========= Auxiliary functions ===============
+// ========================================================
+
+template<typename T>
+int Search(const uint32_t& theEntityID, const std::vector<T>& theEntities)
+{
+ int aResIndex = theEntityID <= theEntities.size() ? theEntityID - 1 : 0;
+ int aVecSize = theEntities.size();
+ if (theEntities.empty())
+ return 1;
+ while (aResIndex >= 0 && theEntities[aResIndex].h > theEntityID)
+ aResIndex--;
+ while (aResIndex < aVecSize && aResIndex >= 0 && theEntities[aResIndex].h < theEntityID)
+ aResIndex++;
+ if (aResIndex == -1 || (aResIndex < aVecSize && theEntities[aResIndex].h != theEntityID))
+ aResIndex = aVecSize;
+ return aResIndex;
+}
+
+bool IsNotEqual(const Slvs_Param& theParam1, const Slvs_Param& theParam2)
+{
+ return fabs(theParam1.val - theParam2.val) > tolerance;
+}
+
+bool IsNotEqual(const Slvs_Entity& theEntity1, const Slvs_Entity& theEntity2)
+{
+ int i = 0;
+ for (; theEntity1.param[i] != 0 && i < 4; i++)
+ if (theEntity1.param[i] != theEntity2.param[i])
+ return true;
+ i = 0;
+ for (; theEntity1.point[i] != 0 && i < 4; i++)
+ if (theEntity1.point[i] != theEntity2.point[i])
+ return true;
+ return false;
+}
+
+bool IsNotEqual(const Slvs_Constraint& theConstraint1, const Slvs_Constraint& theConstraint2)
+{
+ return theConstraint1.ptA != theConstraint2.ptA ||
+ theConstraint1.ptB != theConstraint2.ptB ||
+ theConstraint1.entityA != theConstraint2.entityA ||
+ theConstraint1.entityB != theConstraint2.entityB ||
+ theConstraint1.entityC != theConstraint2.entityC ||
+ theConstraint1.entityD != theConstraint2.entityD ||
+ fabs(theConstraint1.valA - theConstraint2.valA) > tolerance;
}