批量处理可达性分析

    # Name: MakeODCostMatrixAnalysisLayer_Workflow2.py
    # Description: Find the travel time to the closest hospital from each census
    #               tract and join the travel time and hospital name to the input
    #               tracts.
    # Requirements: Network Analyst Extension
    
    # Import system modules
    import arcpy
    from arcpy import env
    import datetime
    import os
    
    try:
    # Check out Network Analyst license if available. Fail if the Network Analyst license is not available.
    if arcpy.CheckExtension("network") == "Available":
        arcpy.Che