Hi, I think I've found a bug. Basically I'm trying to use vertex_size with
graph_draw() using a GraphView, but it only seems to work with the original
graph.
import graph_tool.all as gt
from numpy.random import randint, random
from itertools import izip
N = 50
g = gt.Graph()
g.add_vertex(N)
# insert some random links
for s,t in izip(randint(0, N, N), randint(0, N, N)):
g.add_edge(g.vertex(s), g.vertex(t))
vsize = g.new_vertex_property('float')
vsize.a = random(N)**2
vsize = gt.prop_to_size(vsize)
vsize.a *= 10
# this works
gt.graph_draw(g, vertex_size=vsize)
gv = gt.GraphView(g, vfilt=lambda v:v.out_degree()>1)
# this doesn't
gt.graph_draw(gv, vertex_size=vsize)
The traceback is:
/usr/lib/python2.7/dist-packages/graph_tool/draw/cairo_draw.pyc in
get_bb(g, pos, size, pen_width, size_scale, text, font_family, font_size,
cr)
1279 x_range = [pos_x.fa.min(), pos_x.fa.max()]
1280 y_range = [pos_y.fa.min(), pos_y.fa.max()]
-> 1281 x_delta = [x_range[0] - (pos_x.fa - delta).min(),
1282 (pos_x.fa + delta).max() - x_range[1]]
1283 y_delta = [y_range[0] - (pos_y.fa - delta).min(),
ValueError: operands could not be broadcast together with shapes (13,)
(50,)
Thanks,
-Rick
attachment.html (3.1 KB)