+ // Calculate length of the mirror line and create temporary constraint
+ double aLength = sqrt((aStartEnd[2] - aStartEnd[0]) * (aStartEnd[2] - aStartEnd[0]) +
+ (aStartEnd[3] - aStartEnd[1]) * (aStartEnd[3] - aStartEnd[1]));
+ if (aLength < tolerance) {
+ if (myMirrorLineLength < 1.0)
+ myMirrorLineLength = 1.0;
+ } else
+ myMirrorLineLength = aLength;
+ std::list<Slvs_Constraint> aDist = myStorage->getConstraintsByType(SLVS_C_PT_PT_DISTANCE);
+ std::list<Slvs_Constraint>::const_iterator aDIt = aDist.begin();
+ for (; aDIt != aDist.end(); ++aDIt)
+ if ((aDIt->ptA == aMirrorLine.point[0] && aDIt->ptB == aMirrorLine.point[1]) ||
+ (aDIt->ptA == aMirrorLine.point[1] && aDIt->ptB == aMirrorLine.point[0]))
+ break; // length of mirror line is already set
+ if (aDIt == aDist.end()) {
+ // check the points of mirror line is not fixed
+ Slvs_hConstraint aFixed;
+ if (!myStorage->isPointFixed(aMirrorLine.point[0], aFixed, true) ||
+ !myStorage->isPointFixed(aMirrorLine.point[1], aFixed, true)) {
+ // Add length constraint
+ aMirror = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(), SLVS_C_PT_PT_DISTANCE,
+ myGroup->getWorkplaneId(), aLength, aMirrorLine.point[0], aMirrorLine.point[1],
+ SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
+ aMirror.h = myStorage->addConstraint(aMirror);
+ myStorage->addTemporaryConstraint(aMirror.h);
+ }
+ }
+
+ // Search mirror between middle points on the arcs and recompute their coordinates
+ std::map<Slvs_hEntity, Slvs_hEntity> aPointsOnCircles;
+ std::list<Slvs_Constraint> aMirrorPonCirc;
+ std::list<Slvs_Constraint> aPonCirc = myStorage->getConstraintsByType(SLVS_C_PT_ON_CIRCLE);