2016-04-23 40 views
1

我的图形的节点是具有某些方法的实例。 我已经正确地添加了节点,但是现在我想检查这些节点是否具有相同的group_id,add_edges。我使用的igraph如何使用igraph和python添加条件对象属性的边缘

import igraph as ig 

def making_graph(researchers): 
    g = ig.Graph() 
    for each in researchers: 
     for i in range(len(each)): 
      g.add_vertex(each[i]) 
      g.vs[i]['researcher_id'] = each[i].get_researcher_id() 
      g.vs[i]['name'] = each[i].get_name() 
      g.vs[i]['sex'] = each[i].get_sex() 

    g.add_edges() # if researchers have the same group_id, add edge 
    return g 

的类研究者

class Researcher: 

    def __init__(self, group_id, research_id, name, tit, sex, 
      tot_nac_2011, tot_nac_2014, tot_int_2011, tot_int_2014, tot_bbl_2011, tot_bbl_2014): 

     self.group_id = group_id 
     self.research_id = research_id 
     self.name = name 
     self.tit = tit 
     self.sex = sex 
     self.producao = [tot_nac_2011, tot_nac_2014, tot_int_2011, tot_int_2014, tot_bbl_2011, tot_bbl_2014] 

    def get_group_id(self): 
     return self.group_id 

    def get_researcher_id(self): 
     return self.research_id 

    def get_sex(self): 
     return self.sex 

,当我打电话making_graph我传递一个清单,研究人员

编着的清单。这也是行不通的。为什么?现在

def making_graph(researchers): 
    g = ig.Graph() 
    for each in researchers: 
     for i in range(len(each)): 
      g.add_vertex(each[i]) 
      g.vs[i]['researcher_id'] = each[i].get_researcher_id() 
      g.vs[i]['name'] = each[i].get_name() 
      g.vs[i]['sex'] = each[i].get_sex() 
      for other in researchers: 
       for j in range(len(other)): 
        if each[i].get_group_id() == other[j].get_group_id(): 
         g.add_edge([(g.vs[i], g.vs[j])]) 
return g 
+0

你的意思是,如果研究人员_all_有相同'group_id'? –

+0

对于这个特定的情况,是的。但是当我收集更多图表(106,000)时,我将需要访问节点方法researcher.get_group_id(),并且如果它与另一个节点相同,那么add_edge(researcher1,researcher2) –

+0

一步一个脚印。你可能想看看[这个问题](http://stackoverflow.com/questions/3844801/check-if-all-elements-in-a-list-are-identical)。 –

回答

0

,看来这确实工作:

def making_graph(researchers): 
    g = ig.Graph() 
    for each in researchers: 
     for i in range(len(each)): 
      g.add_vertex(each[i]) 
      g.vs[i]['group_id'] = each[i].get_group_id() 
      g.vs[i]['researcher_id'] = each[i].get_researcher_id() 
      g.vs[i]['name'] = each[i].get_name() 
      g.vs[i]['sex'] = each[i].get_sex() 
    for v in g.vs: 
     for w in g.vs: 
      if v['group_id'] == w['group_id'] and v != w and g.are_connected(v, w) is False: 
       g.add_edge(v, w) 
    return g