当前位置: 首页>>代码示例>>Python>>正文


Python Graph.edgeAnnotation方法代码示例

本文整理汇总了Python中Graph.Graph.edgeAnnotation方法的典型用法代码示例。如果您正苦于以下问题:Python Graph.edgeAnnotation方法的具体用法?Python Graph.edgeAnnotation怎么用?Python Graph.edgeAnnotation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Graph.Graph的用法示例。


在下文中一共展示了Graph.edgeAnnotation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 edgeAnnotation [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
开发者ID:leo-editor,项目名称:leo-editor-contrib,代码行数:54,代码来源:GraphUtil.py

示例2: OpenGMLGraph

# 需要导入模块: from Graph import Graph [as 别名]
# 或者: from Graph.Graph import edgeAnnotation [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
开发者ID:leo-editor,项目名称:leo-editor-contrib,代码行数:68,代码来源:GraphUtil.py


注:本文中的Graph.Graph.edgeAnnotation方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。