title = str(node['from'])
if 'to' in node: title += ' ' + str(node['to'])
master = Point(x, y, 100, title = title)
node_chain = [(node, master)]
canvas.points.append(master)
i = 1
for node in nodes[1:]:
i+=1
y = node['level']*(height-1)/max_level
x = i*(width-1)/len(nodes)
title = str(node['from'])
if 'to' in node: title += ' ' + str(node['to'])
p = Point(x, y, 100, title = title)
canvas.points.append(p)
if node['level'] > node_chain[-1:][0][0]['level']:
canvas.link(p, node_chain[-1:][0][1])
elif node['level'] <= node_chain[-1:][0][0]['level']:
print node_chain
while node['level'] <= node_chain[-1:][0][0]['level']:
node_chain = node_chain[:-1]
canvas.link(p, node_chain[-1:][0][1])
node_chain.append((node, p))
pixel_mov = 1.0
cm = canvas.center_of_mass()
odc = ((width/2)-cm[0])**2 + ((height/2)-cm[1])**2
#canvas.show()
#canvas.visualize()
i = 0
while canvas.converge(pixel_mov, 3.0):
print canvas.converge_time, 'animation/frame%05d' % i
#nodes.reverse()
i = 0
for node in nodes:
i+=1.0
y = r.randint(1, height-1)#float((i % r)+1)/(r+1)*height
x = r.randint(1, width-1)#float((i % r)+1)/(r+1)*width
print x, y
p = Point(x, y, 10000, title = node[:5])
canvas.points.append(p)
nodes[node]['p'] = p
for node in nodes:
for dest in nodes[node]['links']:
canvas.link(nodes[node]['p'], nodes[dest]['p'])
pixel_mov = 3.0
cm = canvas.center_of_mass()
odc = ((width/2)-cm[0])**2 + ((height/2)-cm[1])**2
#canvas.show()
#canvas.visualize()
i = 0
while canvas.converge(pixel_mov, 3.0):
#print canvas.converge_time, 'animation/frame%05d' % i
#canvas.write_to_svg('animation/frame%05d' % i)
i+=1
cm = canvas.center_of_mass()
ndc = ((width/2)-cm[0])**2 + ((height/2)-cm[1])**2
if ndc > odc:
pixel_mov /= 1.25
