print "plotting..."
import matplotlib.pyplot as plt
#fig = plt.figure()
#plot_qt(qt)
#plot_vertices(vertex_set)
#plot_edges(edge_set)
#plot_non_manifold_vertices(dc_verts, non_manifold_verts)
plot_qt(qt, 'b--')
plot_vertices(vertex_set,'b.')
#plot_surface(vertex_set,'b.')
qt.do_coarsening(3)
print vertex_set.__len__()
vertex_set = qt.get_dataset()
print vertex_set.__len__()
plot_qt(qt, 'r')
#plot_vertices(vertex_set,'ro')
plot_surface(vertex_set,'ro')
#plot_edges(edge_set)
plt.xlim(xmin = 0, xmax = 8)
plt.ylim(ymin = 0, ymax = 8)
plt.axis('equal')
plt.show()
