本文整理汇总了Python中pygraphviz.AGraph.node_attr['shape']方法的典型用法代码示例。如果您正苦于以下问题：Python AGraph.node_attr['shape']方法的具体用法？Python AGraph.node_attr['shape']怎么用？Python AGraph.node_attr['shape']使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pygraphviz.AGraph的用法示例。
在下文中一共展示了AGraph.node_attr['shape']方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: plot
# 需要导入模块: from pygraphviz import AGraph [as 别名]
# 或者: from pygraphviz.AGraph import node_attr['shape'] [as 别名]
def plot(table_names=None):
"""
Plot relationships between columns and tables using Graphviz.
Parameters
----------
table_names : iterable of str, optional
Names of UrbanSim registered tables to plot.
Defaults to all registered tables.
Returns
-------
graph : pygraphviz.AGraph
PyGraphviz graph object.
"""
if not table_names:
# Default to all registered tables.
table_names = simulation.list_tables()
graph = AGraph(directed=True)
graph.graph_attr['fontname'] = 'Sans'
graph.graph_attr['fontsize'] = 28
graph.node_attr['shape'] = 'box'
graph.node_attr['fontname'] = 'Sans'
graph.node_attr['fontcolor'] = 'blue'
graph.edge_attr['weight'] = 2
# Add each registered table as a subgraph with columns as nodes.
for table_name in table_names:
subgraph = graph.add_subgraph(name='cluster_' + table_name,
label=table_name, fontcolor='red')
table = simulation.get_table(table_name)
for column_name in table.columns:
full_name = table_name + '.' + column_name
subgraph.add_node(full_name, label=column_name)
# Iterate over computed columns to build nodes.
for key, wrapped_col in simulation._COLUMNS.items():
table_name = key[0]
column_name = key[1]
# Combine inputs from argument names and argument default values.
args = list(wrapped_col._argspec.args)
if wrapped_col._argspec.defaults:
default_args = list(wrapped_col._argspec.defaults)
else:
default_args = []
inputs = args[:len(args) - len(default_args)] + default_args
# Create edge from each input column to the computed column.
for input_name in inputs:
full_name = table_name + '.' + column_name
graph.add_edge(input_name, full_name)
graph.layout(prog='dot')
return graph示例2: Copyright
# 需要导入模块: from pygraphviz import AGraph [as 别名]
# 或者: from pygraphviz.AGraph import node_attr['shape'] [as 别名]
"""
# Copyright (C) 2006 by
# Aric Hagberg <[email protected]>
# Dan Schult <[email protected]>
# Manos Renieris, http://www.cs.brown.edu/~er/
# Distributed with BSD license.
# All rights reserved, see LICENSE for details.
__author__ = """Aric Hagberg ([email protected])"""
from pygraphviz import AGraph
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