adds dimensionality info in PointGraph printing
adds dimensionality info in PointGraph printing

yuxiang-zhou/menpo,grigorisg9gr/menpo,yuxiang-zhou/menpo,patricksnape/menpo,grigorisg9gr/menpo,menpo/menpo,patricksnape/menpo,menpo/menpo,menpo/menpo,yuxiang-zhou/menpo,grigorisg9gr/menpo,patricksnape/menpo