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# -*- coding: utf-8 -*-
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
from vispy import scene
from vispy.visuals.graphs import layouts
import networkx as nx
g = nx.erdos_renyi_graph(100, .2)
layout = layouts.get_layout("networkx_layout", graph=g, layout="spring")
# create canvas
canvas = scene.SceneCanvas(title='Simple NetworkX Graph', size=(
600, 600), bgcolor='black', show=True)
view = canvas.central_widget.add_view('panzoom')
visual = scene.visuals.Graph(
layout.adj, layout=layout, line_color=(1, 1, 1, .5), arrow_type="stealth",
arrow_size=30, node_symbol="disc", node_size=20,
face_color=(1, 0, 0, 1), border_width=0.0, animate=False, directed=False,
parent=view.scene)
@canvas.events.draw.connect
def on_draw(event):
if not visual.animate_layout():
canvas.update()
canvas.show()
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