This is the snippet of my ArcPy script that deals with route-making:
TechRoute = arcpy.na.MakeRouteLayer(inNetworkDataset, RouteName, "Minutes", "FIND_BEST_ORDER", "PRESERVE_FIRST", "USE_TIMEWINDOWS")field_mapping = "TimeWindowStart TWStart1 #;TimeWindowEnd TWEnd1 #"arcpy.na.AddLocations(RouteName, "Stops", TechLayer, field_mapping, "1000 Meters", "VisitOrder")outputLayerFile = os.path.join(workingDir, "opt{}".format(RouteName))Note that I'm not assigning any value for the start_date_time parameter for na.MakeRouteLayer. I decided to leave it out since I want the route to start at 8am, and in the Esri help page, it says
As best I can figure it's using the time windows, which (for this particular route) all start at 8am and end at 6pm, and working backwards. This isn't what I expected and also seems a bit silly (wouldn't most users want to start at the beginning of a time window?). For another technician's route without any appointment windows, it's starting at midnight instead of 8am. (Again, not what I would expect!)
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TechRoute = arcpy.na.MakeRouteLayer(inNetworkDataset, RouteName, "Minutes", "FIND_BEST_ORDER", "PRESERVE_FIRST", "USE_TIMEWINDOWS")field_mapping = "TimeWindowStart TWStart1 #;TimeWindowEnd TWEnd1 #"arcpy.na.AddLocations(RouteName, "Stops", TechLayer, field_mapping, "1000 Meters", "VisitOrder")outputLayerFile = os.path.join(workingDir, "opt{}".format(RouteName))Note that I'm not assigning any value for the start_date_time parameter for na.MakeRouteLayer. I decided to leave it out since I want the route to start at 8am, and in the Esri help page, it says
The default value for this parameter is 8:00 AM.
Unfortunately, it's not starting anywhere CLOSE to 8am. (And also not starting on today's date, but I am not interested in the date so I don't care.)
As best I can figure it's using the time windows, which (for this particular route) all start at 8am and end at 6pm, and working backwards. This isn't what I expected and also seems a bit silly (wouldn't most users want to start at the beginning of a time window?). For another technician's route without any appointment windows, it's starting at midnight instead of 8am. (Again, not what I would expect!)
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