Networkx の　座標表示

python
1df_tr.head()

||F1|F2|F3|F4|
|---|---|---|---|
|工場|||||
|W1|15|15|0|5|
|W2|5|0|30|5|
|W3|10|15|2|15|

python
1df_pos.head()

||W1|W2|W3|F1|F2|F3|F4|
|---|--
|0|0|0|0|4.0|4.0|4.0|4.0|
|1|1|2|3|0.5|1.5|2.5|3.5|

python
1#グラフィックオブジェクトの作成
2G = nx.Graph()
3
4#頂点の設定
5for i in range(len(df_pos.columns)):
6    G.add_node(df_pos.columns[i])
7    
8#辺の設定&エッジの重みのリスト化
9num_pre = 0
10edge_weights = []
11size = 0.1
12for i in range(len(df_pos.columns)): #i=[0,1,2,3,4,5,6,]
13    for j in range(len(df_pos.columns)): #j=[0,1,2,3,4,5,6]
14        if not(i==j):
15            #辺の追加
16            G.add_edge(df_pos.columns[i],df_pos.columns[j])
17            #エッジの重みの追加
18            if num_pre<len(G.edges):
19                num_pre = len(G.edges)
20                weight = 0
21                if (df_pos.columns[i] in df_tr.columns)and(df_pos.columns[j] in df_tr.index): 
22                    if df_tr[df_pos.columns[i]][df_pos.columns[j]]:
23                        weight = df_tr[df_pos.columns[i]][df_pos.columns[j]]*size
24                elif(df_pos.columns[j] in df_tr.columns)and(df_pos.columns[i] in df_tr.index): 
25                    if df_tr[df_pos.columns[j]][df_pos.columns[i]]:
26                        weight = df_tr[df_pos.columns[j]][df_pos.columns[i]]*size
27                edge_weights.append(weight)
28                    
29#座標の設定
30pos = {}
31for i in range(len(df_pos.columns)):
32    node = df_pos.columns[i] 
33    pos[node] = (df_pos[node][0],df_pos[node][1]) 
34
35#描画
36nx.draw(G,pos,with_labels = True ,font_size = 16,node_size = 1000,node_color = 'k',font_color = 'w', width = edge_weights )
37
38#表示
39plt.show()