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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Create and draw a star with varying node properties.
"""
# Copyright (C) 2006 by
# Aric Hagberg <hagberg@lanl.gov>
# Dan Schult <dschult@colgate.edu>
# Manos Renieris, http://www.cs.brown.edu/~er/
# Distributed with BSD license.
# All rights reserved, see LICENSE for details.
from __future__ import absolute_import
from __future__ import unicode_literals
from __future__ import print_function
from __future__ import division
__author__ = """Aric Hagberg (hagberg@lanl.gov)"""
from pygraphviz import *
A=AGraph()
# set some default node attributes
A.node_attr['style']='filled'
A.node_attr['shape']='circle'
A.node_attr['fixedsize']='true'
A.node_attr['fontcolor']='#FFFFFF'
# make a star in shades of red
for i in range(16):
A.add_edge(0,i)
n=A.get_node(i)
n.attr['fillcolor']="#%2x0000"%(i*16)
n.attr['height']="%s"%(i/16.0+0.5)
n.attr['width']="%s"%(i/16.0+0.5)
print(A.string()) # print to screen
A.write("star.dot") # write to simple.dot
print("Wrote star.dot")
A.draw('star.png',prog="circo") # draw to png using circo
print("Wrote star.png")
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