+ // constraint to bind the major radius value
+ std::shared_ptr<PlaneGCSSolver_PointWrapper> aMajorAxisStart =
+ std::dynamic_pointer_cast<PlaneGCSSolver_PointWrapper>(
+ anAttributes.at(SketchPlugin_Ellipse::MAJOR_AXIS_START_ID()));
+ ScalarWrapperPtr aMajorRadius =
+ std::dynamic_pointer_cast<PlaneGCSSolver_ScalarWrapper>(
+ anAttributes.at(SketchPlugin_Ellipse::MAJOR_RADIUS_ID()));
+ anEllipseConstraints.push_back(GCSConstraintPtr(new GCS::ConstraintP2PDistance(
+ anEllipse->center, *(aMajorAxisStart->point()), aMajorRadius->scalar())));
+
+ ConstraintWrapperPtr aWrapper(
+ new PlaneGCSSolver_ConstraintWrapper(anEllipseConstraints, CONSTRAINT_UNKNOWN));
+ aWrapper->setId(theConstraintID);
+ if (theSolver)
+ constraintsToSolver(aWrapper, theSolver);
+
+ theConstraints[theEllipse] = aWrapper;
+}
+
+static void createEllipticArcConstraints(
+ const EntityWrapperPtr& theEllipticArc,
+ const SolverPtr& theSolver,
+ const ConstraintID theConstraintID,
+ std::map<EntityWrapperPtr, ConstraintWrapperPtr>& theConstraints)
+{
+ // create base constraints for the ellipse without adding them to solver
+ createEllipseConstraints(theEllipticArc, SolverPtr(), theConstraintID, theConstraints);
+
+ ConstraintWrapperPtr& aConstraint = theConstraints[theEllipticArc];
+ std::list<GCSConstraintPtr> anEllArcConstraints = aConstraint->constraints();
+
+ // constrain extremities of the elliptic arc
+ EdgeWrapperPtr anEdge = std::dynamic_pointer_cast<PlaneGCSSolver_EdgeWrapper>(theEllipticArc);
+ std::shared_ptr<GCS::ArcOfEllipse> anArc =
+ std::dynamic_pointer_cast<GCS::ArcOfEllipse>(anEdge->entity());
+
+ anEllArcConstraints.push_back(GCSConstraintPtr(
+ new GCS::ConstraintCurveValue(anArc->start, anArc->start.x, *anArc, anArc->startAngle)));
+ anEllArcConstraints.push_back(GCSConstraintPtr(
+ new GCS::ConstraintCurveValue(anArc->start, anArc->start.y, *anArc, anArc->startAngle)));
+ anEllArcConstraints.push_back(GCSConstraintPtr(
+ new GCS::ConstraintCurveValue(anArc->end, anArc->end.x, *anArc, anArc->endAngle)));
+ anEllArcConstraints.push_back(GCSConstraintPtr(
+ new GCS::ConstraintCurveValue(anArc->end, anArc->end.y, *anArc, anArc->endAngle)));
+
+ aConstraint->setConstraints(anEllArcConstraints);
+ constraintsToSolver(aConstraint, theSolver);
+}
+
+void PlaneGCSSolver_Storage::createAuxiliaryConstraints(const EntityWrapperPtr& theEntity)