Use ed.key and face.edge_keys to build connectivity data faster.

This commit is contained in:
Campbell Barton 2006-12-17 00:08:05 +00:00
parent 3a84791b53
commit 08e3f8b1da
4 changed files with 23 additions and 79 deletions

@ -446,14 +446,6 @@ def pickMeshGroupVCol(me, orig, dir):
f_colvecs= [col2vec(f_c[i]) for i in idxs]
return f_colvecs[0]*w0 + f_colvecs[1]*w1 + f_colvecs[2]*w2
# reuse me more.
def sorted_edge_indicies(ed):
i1= ed.v1.index
i2= ed.v2.index
if i1>i2:
i1,i2= i2,i1
return i1, i2
def edge_face_users(me):
'''
Takes a mesh and returns a list aligned with the meshes edges.
@ -461,17 +453,11 @@ def edge_face_users(me):
would be the equiv for having ed.face_users as a property
'''
face_edges_dict= dict([(sorted_edge_indicies(ed), (ed.index, [])) for ed in me.edges])
face_edges_dict= dict([(ed.key, (ed.index, [])) for ed in me.edges])
for f in me.faces:
fvi= [v.index for v in f]# face vert idx's
for i in xrange(len(f)):
i1= fvi[i]
i2= fvi[i-1]
if i1>i2:
i1,i2= i2,i1
face_edges_dict[i1,i2][1].append(f)
for edkey in f.edge_keys:
face_edges_dict[edkey][1].append(f)
face_edges= [None] * len(me.edges)
for ed_index, ed_faces in face_edges_dict.itervalues():
@ -489,21 +475,13 @@ def face_edges(me):
face_edges[i][j] -> list of faces that this edge uses.
crap this is tricky to explain :/
'''
face_edges= [ [None] * len(f) for f in me.faces ]
face_edges= [ [-1] * len(f) for f in me.faces ]
face_edges_dict= dict([(sorted_edge_indicies(ed), []) for ed in me.edges])
face_edges_dict= dict([(ed.key, []) for ed in me.edges])
for fidx, f in enumerate(me.faces):
fvi= [v.index for v in f]# face vert idx's
for i in xrange(len(f)):
i1= fvi[i]
i2= fvi[i-1]
if i1>i2:
i1,i2= i2,i1
edge_face_users= face_edges_dict[i1,i2]
for i, edkey in enumerate(f.edge_keys):
edge_face_users= face_edges_dict[edkey]
edge_face_users.append(f)
face_edges[fidx][i]= edge_face_users
return face_edges
@ -671,19 +649,12 @@ def edgeFaceUserCount(me, faces= None):
edge_users= [0] * len(me.edges)
edges_idx_dict= dict([(sorted_edge_indicies(ed), ed.index) for ed in me.edges])
edges_idx_dict= dict([(ed.key, ed.index) for ed in me.edges])
for f in faces:
fvi= [v.index for v in f]# face vert idx's
for i in xrange(len(f)):
i1= fvi[i]
i2= fvi[i-1]
if i1>i2:
i1,i2= i2,i1
edge_users[edges_idx_dict[i1,i2]] += 1
for edkey in f.edge_keys:
edge_users[edges_idx_dict[edkey]] += 1
return edge_users
@ -1004,16 +975,10 @@ def meshCalcNormals(me, vertNormals=None):
edges={}
for f in me.faces:
f_v = f.v
for i in xrange(len(f)):
i1, i2= f_v[i].index, f_v[i-1].index
if i1<i2:
i1,i2= i2,i1
try:
edges[i1, i2].append(f.no)
except:
edges[i1, i2]= [f.no]
for edkey in f.edge_keys:
try: edges[edkey].append(f.no)
except: edges[edkey]= [f.no]
# Weight the edge normals by total angle difference
for fnos in edges.itervalues():

@ -52,11 +52,6 @@ def col_key_mix(col1, col2, w1, w2):
# Weighted mix. w1+w2==1.0
return int(w1*col1[0] + w2*col2[0]), int(w1*col1[1] + w2*col2[1]), int(w1*col1[2]+col2[2]*w2)
def ed_key(ed):
i1= ed.v1.index
i2= ed.v2.index
if i1<i2: return i1,i2
return i2,i1
def redux(ob, REDUX=0.5, BOUNDRY_WEIGHT=2.0, REMOVE_DOUBLES=False, FACE_AREA_WEIGHT=1.0, FACE_TRIANGULATE=True, DO_UV=True, DO_VCOL=True, DO_WEIGHTS=True, VGROUP_INF_REDUX= None, VGROUP_INF_WEIGHT=0.5):
"""
@ -153,7 +148,7 @@ def redux(ob, REDUX=0.5, BOUNDRY_WEIGHT=2.0, REMOVE_DOUBLES=False, FACE_AREA_WEI
self.init_from_edge(ed) # So we can re-use the classes without using more memory.
def init_from_edge(self, ed):
self.key= ed_key(ed)
self.key= ed.key
self.length= ed.length
self.faces= []
self.v1= ed.v1

@ -156,16 +156,11 @@ def main():
edges = {}
for f in faces_sel:
f_v= f.v
for i in xrange(len(f_v)):
i1=f_v[i].index
i2=f_v[i-1].index
if i1>i2: edge_key= i2, i1
else: edge_key= i1, i2
if edges.has_key(edge_key):
edges[edge_key]= None
for i, edgekey in enumerate(f.edge_keys):
if edges.has_key(edgekey):
edges[edgekey]= None
else:
edges[edge_key] = f, f_v, i, i-1
edges[edgekey] = f, f_v, i, i-1
# Edges are done. extrude the single user edges.
for edge_face_data in edges.itervalues():

@ -171,21 +171,10 @@ def island2Edge(island):
f_uvkey= map(tuple, f_uv)
for vIdx in xrange(len(f_v)):
for vIdx, edkey in enumerate(f.edge_keys):
unique_points[f_uvkey[vIdx]] = f_uv[vIdx]
if f_v[vIdx].index > f_v[vIdx-1].index:
i1= vIdx-1; i2= vIdx
else:
i1= vIdx; i2= vIdx-1
try:
edges[ f_uvkey[i1], f_uvkey[i2] ] *= 0 # sets eny edge with more then 1 user to 0 are not returned.
except:
edges[ f_uvkey[i1], f_uvkey[i2] ] = (f_uv[i1] - f_uv[i2]).length,
try: edges[ f_uvkey[edkey[0]], f_uvkey[edkey[1]] ] *= 0 # sets eny edge with more then 1 user to 0 are not returned.
except: edges[ f_uvkey[edkey[0]], f_uvkey[edkey[1]] ] = (f_uv[i1] - f_uv[i2]).length,
# If 2 are the same then they will be together, but full [a,b] order is not correct.