if len(sys.argv) < 5:
print "Usage: %s <edges.txt> <node-pos.txt> <w> <h>" % sys.argv[0]
sys.exit(1)
w = int(sys.argv[3])
h = int(sys.argv[4])
plot = Plot("/tmp/graph.png", w, h)
pos = {}
f = open(sys.argv[2])
for line in f:
(n, x, y) = line.strip().split(" ")
x = int(float(x))
y = int(float(y))
pos[n] = (x,y)
f = open(sys.argv[1])
for line in f:
(n1, n2) = line.strip().split(" ")
plot.draw_edge(pos[n1], pos[n2])
for n in pos:
plot.draw_node(pos[n])
plot.save()
