Refactored into modules and test scripts.

test/test00.py

@@ -0,0 +1,24 @@
+from surf.util import cube 
+from surf.subd import cc
+polygon = cube()
+refined_poly = cc.refine(polygon)
+
+print polygon
+print refined_poly
+
+# 
+# 
+# import pylab
+# import mpl_toolkits.mplot3d.axes3d as p3
+# 
+# fig = pylab.figure()
+# ax = p3.Axes3D(fig)
+# for edge in newPolygon.edges:
+#     xs = [vertex.x for vertex in edge.vertices]
+#     ys = [vertex.y for vertex in edge.vertices]
+#     zs = [vertex.z for vertex in edge.vertices]
+#     ax.plot_wireframe(xs, ys, zs)
+# ax.set_xlabel('X')
+# ax.set_ylabel('Y')
+# ax.set_zlabel('Z')
+# pylab.show()

test/test01.py

@@ -0,0 +1,11 @@
+from __future__ import division
+from surf.geometry import Vertex
+
+v1 = Vertex(0.5, 0.25, 1/3.0)
+v2 = Vertex(1, 1, 1)
+
+print v1, v2, (v1 + v2) / 2
+print v1, v2, (v1 + v2) / 2.0
+
+v = sum((v1, v2), Vertex()) / len((v1, v2))
+print v, type(v)