mid: 1665
url: http://www.intoronto.com/cities/ottawa.wrl
ref_url: http://www.intoronto.com/inottawa.html
format: wrl 
pid: 95
polygons: 13409
connected_components: 367
average_dihedral_angle: 1.45133
bounding_box: xmin = 0.025, ymin = 0.0454205, zmin = 0.025, xmax = 0.801993, ymax = 0.131825, zmax = 0.975
avg_depth: 3.032321
center: (0.448874,0.053729,0.485066)
scale: 0.650512
principle_axes: (0.283152,0.005205,0.959061), (0.959015,0.009660,-0.283190), (0.010739,-0.999940,0.002256)
principle_values: (0.073941,0.046266,0.000146)