router2: additional heatmap data

python/plot_congestion_by_coordinate.py

@@ -0,0 +1,27 @@
+import csv
+import sys
+
+import matplotlib.pyplot as plt
+
+data = []
+
+file = 1
+try:
+    while True:
+        print("{}/heatmap_congestion_by_coordinate_{}.csv".format(sys.argv[1], file))
+        with open("{}/heatmap_congestion_by_coordinate_{}.csv".format(sys.argv[1], file)) as f:
+            file_data = []
+            reader = csv.reader(f, delimiter=',')
+            for row in reader:
+                file_data.append([float(x) for x in row if x != ''])
+            data.append(file_data)
+        file += 1
+except FileNotFoundError:
+    pass
+
+for i, file_data in enumerate(data):
+    plt.imshow(file_data, cmap="gray", aspect="equal")
+    plt.title("heatmap for iteration {}".format(i+1))
+    plt.tight_layout()
+    plt.savefig("{}/heatmap_congestion_by_coordinate_{:03}.png".format(sys.argv[1], i), dpi=300)
+    plt.clf()