1 files changed, 54 insertions, 0 deletions
diff --git a/structure/metrics/cartography_from_layers.py b/structure/metrics/cartography_from_layers.py
new file mode 100644
index 0000000..b9c4584
--- /dev/null
+++ b/structure/metrics/cartography_from_layers.py
@@ -0,0 +1,54 @@
+####
+##
+## Compute the participation coefficient of each node of a multiplex
+## 
+##
+
+import sys
+import networkx as net
+import collections
+from compiler.ast import flatten
+
+
+
+if len(sys.argv) < 3:
+    print "Usage: %s <layer1> <layer2> [<layer3>...]" % sys.argv[0]
+    sys.exit(1)
+
+
+layers = []
+
+for f in sys.argv[1:]:
+    G = net.Graph(net.read_edgelist(f, nodetype=int))
+    layers.append(G)
+
+nodes = flatten([x for j in layers for x in j.nodes()])
+#nodes.sort()
+nodes = set(nodes)
+
+M = len(layers)
+
+#print nodes
+
+for n in nodes:
+    deg_alpha_square = 0
+    deg = 0
+    col = 0
+    print n, 
+    for l in layers:
+        val = l.degree([n])
+        if not val:
+            col = 2* col
+            continue
+        col *= 2
+        col += 1
+        val = val[n]
+        deg += val
+        deg_alpha_square += val*val
+    if deg > 0:
+        print  deg, 1.0 * M / (M-1) * (1.0 - 1.0 * deg_alpha_square/(deg * deg)) , col
+    else:
+        print  0 , 0, col
+
+    
+