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"""
Star
====
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.
__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(1, 16):
A.add_edge(0, i)
n = A.get_node(i)
n.attr["fillcolor"] = f"#{i * 16:2x}0000"
n.attr["height"] = f"{i / 16.0 + 0.5}"
n.attr["width"] = f"{i / 16.0 + 0.5}"
print(A.string()) # print to screen
A.write("star.dot") # write to simple.dot
A.draw("star.png", prog="circo") # draw to png using circo layout
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