Visum Thinker MCP Server

import sys import os sys.path.append(r"H:\Program Files\PTV Vision\PTV Visum 2025\Exe") try: import win32com.client print("=== VISUM MCP NETWORK ANALYSIS ===") print(f"Analysis Type: DETAILED") print("=" * 40) # Always use DispatchEx as GetActiveObject doesn't work with Visum 2025 print("Creating Visum COM instance...") visum = win32com.client.DispatchEx("Visum.Visum") print("✅ COM instance created") # Check if network is empty and try to load default project initial_nodes = visum.Net.Nodes.Count print(f"Initial nodes: {initial_nodes}") if initial_nodes == 0: print("Network empty - attempting to load Campoleone project...") campoleone_path = r"H:\go\italferr2025\Campoleone\100625_Versione_base_v0.3_sub_ok_priv.ver" if os.path.exists(campoleone_path): try: print("📂 Loading project...") visum.LoadVersion(campoleone_path) print("✅ Campoleone project loaded successfully") except Exception as load_error: print(f"❌ Failed to load project: {load_error}") else: print("❌ Default project not found at expected location") # Get network statistics nodes = visum.Net.Nodes.Count links = visum.Net.Links.Count zones = visum.Net.Zones.Count print(f"\nBASIC STATISTICS:") print(f"Nodes: {nodes:,}") print(f"Links: {links:,}") print(f"Zones: {zones:,}") if nodes == 0: print("\nWARNING: Network appears empty") print("- Check if a project is loaded in Visum") print("- Use 'visum_launch' to load a project first") else: print(f"\nNETWORK DENSITY:") connectivity = links / nodes if nodes > 0 else 0 print(f"Links per node: {connectivity:.2f}") print("\nDETAILED ANALYSIS:") try: # Sample analysis of network characteristics sample_size = min(100, links) print(f"Analyzing sample of {sample_size} links...") # Try to access link attributes print("🔍 Testing link attribute access...") test_links = 0 for i in range(1, min(11, links + 1)): # Test first 10 links try: # Get all links and try to access one link_set = visum.Net.Links print(f" Link collection type: {type(link_set)}") # Try different access methods if hasattr(link_set, 'GetMultipleAttributes'): print(" Using GetMultipleAttributes...") # Get basic attributes attrs = link_set.GetMultipleAttributes(['No', 'Length']) if attrs and len(attrs) > 0: print(f" First link - No: {attrs[0][0]}, Length: {attrs[0][1]}") test_links = len(attrs) break else: print(" GetMultipleAttributes not available") break except Exception as attr_error: print(f" Link access attempt {i} failed: {attr_error}") continue print(f"Successfully analyzed {test_links} links") except Exception as detail_error: print(f"Detailed analysis limited: {detail_error}") # Network type classification if connectivity < 1.5: network_type = "Sparse (low connectivity)" elif connectivity < 2.5: network_type = "Medium density" else: network_type = "Dense (high connectivity)" print(f"Network type: {network_type}") print("\n=== ANALYSIS COMPLETE ===") print("MCP Visum network analysis finished successfully") except Exception as e: print(f"ERROR: {e}") import traceback traceback.print_exc() print("\nTROUBLESHOOTING:") print("- Ensure Visum is installed") print("- Try launching Visum with a project first") print("- Check COM permissions")