本文整理汇总了Python中Graph.Graph.nrEdgeWeights方法的典型用法代码示例。如果您正苦于以下问题：Python Graph.nrEdgeWeights方法的具体用法？Python Graph.nrEdgeWeights怎么用？Python Graph.nrEdgeWeights使用的例子？那么恭喜您, 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Graph.Graph的用法示例。
在下文中一共展示了Graph.nrEdgeWeights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: OpenDotGraph
# 需要导入模块: from Graph import Graph [as 别名]
# 或者: from Graph.Graph import nrEdgeWeights [as 别名]
def OpenDotGraph(fileName):
""" Reads in a graph from file fileName. File-format is supposed
to be dot (*.dot) used in """
G = Graph()
G.directed = 1
E = VertexLabeling()
W = EdgeWeight(G)
L = VertexLabeling()
VLabel = VertexLabeling()
ELabel = EdgeLabeling()
import re
file = open(fileName, 'r')
lines = file.readlines()
file.close()
dot2graph = {}
for l in lines[3:]:
items = string.split(l)
if len(items) < 2:
break
if items[1] != '->':
v = G.AddVertex()
dot_v = int(items[0])
L[v] = "%d" % dot_v
dot2graph[dot_v] = v
m = re.search('label=("[^"]+")', l)
VLabel[v] = m.group(1)[1:-1]
m = re.search('pos="(\d+),(\d+)"', l)
x = int(m.group(1))
y = int(m.group(2))
E[v] = Point2D(x,y)
else:
m = re.search('(\d+) -> (\d+)', l)
v = dot2graph[int(m.group(1))]
w = dot2graph[int(m.group(2))]
m = re.search('label=("[^"]+")', l)
#print l
#print v,w,m.group(1)
G.AddEdge(v,w)
weight = float(m.group(1)[1:-1])
W[(v,w)] = weight
ELabel[(v,w)] = "%0.2f" % weight
G.embedding = E
G.labeling = L
G.nrEdgeWeights = 1
G.edgeWeights[0] = W
G.vertexAnnotation = VLabel
G.edgeAnnotation = ELabel
return G示例2: OpenGMLGraph
# 需要导入模块: from Graph import Graph [as 别名]
# 或者: from Graph.Graph import nrEdgeWeights [as 别名]
def OpenGMLGraph(fileName):
""" Reads in a graph from file fileName. File-format is supposed
to be GML (*.gml) """
G = Graph()
G.directed = 0
E = VertexLabeling()
W = EdgeWeight(G)
L = VertexLabeling()
VLabel = VertexLabeling()
ELabel = EdgeLabeling()
file = open(fileName, 'r')
g = ParseGML(file)
file.close()
if g[0][0] != 'graph':
log.error("Serious format error in %s. first key is not graph" % fileName)
return
else:
l = g[0][1]
for i in xrange(len(l)):
key = l[i][0]
value = l[i][1]
if key == 'node':
d = PairListToDictionary(value)
v = G.AddVertex()
try:
VLabel[v] = eval(d['label'])
P = PairListToDictionary(d['graphics'])
E[v] = Point2D(eval(P['x']), eval(P['y']))
except:
d = None
P = None
elif key == 'edge':
d = PairListToDictionary(value)
try:
s = eval(d['source'])
t = eval(d['target'])
G.AddEdge(s,t)
ELabel[(s,t)] = eval(d['label'])
W[(s,t)] = 0
except:
d = None
elif key == 'directed':
G.directed = 1
for v in G.vertices:
L[v] = v
G.embedding = E
G.labeling = L
G.nrEdgeWeights = 1
G.edgeWeights[0] = W
G.vertexAnnotation = VLabel
G.edgeAnnotation = ELabel
return G