1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# --------------------------------------------------------------------------
# BPyImage.py version 0.15
# --------------------------------------------------------------------------
# helper functions to be used by other scripts
# --------------------------------------------------------------------------
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ***** END GPL LICENCE BLOCK *****
# --------------------------------------------------------------------------
from Blender import *
def curve2vecs(ob, WORLDSPACE= True):
'''
Takes a curve object and retuirns a list of vec lists (polylines)
one list per curve
This is usefull as a way to get a polyline per curve
so as not to have to deal with the spline types directly
'''
if ob.type != 'Curve':
raise 'must be a curve object'
me_dummy = Mesh.New()
me_dummy.getFromObject(ob)
if WORLDSPACE:
me_dummy.transform(ob.matrixWorld)
# build an edge dict
edges = {} # should be a set
def sort_pair(i1, i2):
if i1 > i2: return i2, i1
else: return i1, i2
for ed in me_dummy.edges:
edges[sort_pair(ed.v1.index,ed.v2.index)] = None # dummy value
# now set the curves
first_time = True
current_vecs = []
vec_list = [current_vecs]
for v in me_dummy.verts:
if first_time:
first_time = False
current_vecs.append(v.co.copy())
last_index = v.index
else:
index = v.index
if edges.has_key(sort_pair(index, last_index)):
current_vecs.append( v.co.copy() )
else:
current_vecs = []
vec_list.append(current_vecs)
last_index = index
me_dummy.verts = None
return vec_list
|
