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started adding edge connectivity

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Stephen M. McQuay 2012-06-22 20:52:02 -07:00
parent 6b21fd80cb
commit dee1889d81
1 changed files with 7 additions and 2 deletions
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9
surf/subd/butterfly.py
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@ -1,7 +1,5 @@
from __future__ import division from __future__ import division
import sys
from surf.geometry import PolygonMesh, Vertex from surf.geometry import PolygonMesh, Vertex
@ -42,6 +40,7 @@ def _make_edge_point(mesh, eid):
def refine(mesh): def refine(mesh):
new_verts = list(mesh.vertices) new_verts = list(mesh.vertices)
nv_offset = len(new_verts)
# TODO: # TODO:
new_faces = [] new_faces = []
@ -52,4 +51,10 @@ def refine(mesh):
new_vert = _make_edge_point(mesh, eid) new_vert = _make_edge_point(mesh, eid)
new_verts.append(new_vert) new_verts.append(new_vert)
# populate *some* of the new edges (missing all edges on a face ...)
new_vert_id = eid + nv_offset
for evid in mesh.edges[eid]:
new_edge = [evid, new_vert_id]
new_edges.append(new_edge)
return PolygonMesh(new_verts, new_faces, new_edges) return PolygonMesh(new_verts, new_faces, new_edges)