getCoordinatesOfNode(c1[0],n1);
other->getCoordinatesOfNode(c2[0],n2);
std::transform(n1.begin(),n1.end(),n2.begin(),n1.begin(),std::minus<double>());
getCoordinatesOfNode(c1[0],n1);
other->getCoordinatesOfNode(c2[0],n2);
std::transform(n1.begin(),n1.end(),n2.begin(),n1.begin(),std::minus<double>());