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After running the Route tool using Network Analyst on my dataset of 80,000 point pairs (O-Ds), many of the routes that are drawn contain overlapping routes. Each of these routes contains a unique value representing the number of commute trips that happen along each route. For the segments of routes that overlap, I would like to sum the attribute information associated to the route to get a total of the number of commuters that cross along each segment of the road network. For example, in the photo, one of the routes between O-Ds is highlighted in yellow. Parts of the yellow route overlap with several other routes that connect other O-Ds. The parts of the route that overlap, I'd like to be able to sum the commuter count associated with each route to the overlapping segments of the route. Is there a GIS process that does this or a series of processes that can? Unfortunately, I don't yet have and python expertise. Could anyone help at all? @MelindaMorang Sibel
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12-13-2018
05:08 PM
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I am taking an OD matrix and trying to find the actual routes between the points so the number of bike trips that cross each road segment can be summed. Currently, my dataset contains about 6,000 records of these paired origin and destination routes, specified with a route name, and number of bike trips along the route. As you see, some of the origin points are duplicated as they can connect to different destination points. . My question then is: how do I load these into the New Route network analysis and Solve so all of the origins (which there may be many multiples of) connect to the assigned destination (which there may be many multiples of)? The dataset I am working with only has one point record for each origin or destination zone. The whole city was broken down into small zones and I converted those unique zones (ie. zone 35300040) to points. Any help would be greatly appreciated!! - Sibel
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11-09-2018
07:12 PM
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Hi Melinda! So happy to see you write the following: "There's a way you can use field mapping with the RouteName field to specify which pairs of points should be on the same route which I can describe in further detail if this is what you're trying to do." This relates to an analysis process I am trying to do. I am taking an OD matrix and trying to find the actual routes between the points so the number of bike trips that cross each road segment can be summed. Currently, my dataset contains about 6,000 records of these paired origin and destination routes, specified with a route name, and number of bike trips along the route. As you see, some of the origin points are duplicated as they can connect to different destination points. . My question then is: how do I load these into the New Route network analysis and Solve so all of the origins (which there may be many multiples of) connect to the assigned destination (which there may be many multiples of)? The dataset I am working with only has one point record for each origin or destination zone. The whole city was broken down into small zones and I converted those unique zones (ie. zone 35300040) to points. Any help would be greatly appreciated!! - Sibel
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11-09-2018
07:06 PM
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