update weight for nice topology generator

configure_gns3_from_scratch.py

@@ -39,8 +39,16 @@ class GraphGenerator:
         # Add connections
         G.add_edges_from(connections)
 
-        # Generate positions using spring layout
-        positions = nx.spring_layout(G, scale=scale)
+        for u, v in G.edges:
+            if "pc_" in u and "ui_" in v or "pc_" in v and "ui_" in u:
+                G[u][v]["weight"] = 27.0  # Strong pull
+            elif "ub_" in v and "ui_" in u or "ui_" in v and "ub_" in u:
+                G[u][v]["weight"] = 3.0  # Strong pull
+            else:
+                G[u][v]["weight"] = 1.0  # Default pull
+                
+        # Generate positions with spring layout using weights
+        positions = nx.spring_layout(G, scale=scale, weight='weight', k=1.0 / scale, pos=None)
 
         # Convert positions to integers for GNS3