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Hi, I have a question on NA and the calculation of routes and would be glad if somebody could help easily: Within NA I run an closest facilities analysis between facility and incidents points. Those points are not located directly on the network, that is why NA has to snap from the points (as starting point) to the network - "walking" on the network and snapping to the ending point. Unfortunately NA is now calculating only the distances on the network itself, not the "Snapping distances" between the points an the network. Does somebody know, whether there is a simple adjustment within the NA menus somewhere, to calculate also those "snapping" distances? Thanks in advance, Theresa
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09-01-2011
12:25 AM
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Hello dsterling, and thanks a lot for your help. I will try this approach, the only problem I see than: If I take those intersects as green space "entrances", NA will calculate the routes from every building block to every green space "entrance" (intersect with streets). Which means, if a greenspace has more than one "entrance" I will have several routes... I hope you know what I mean. Theresa
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05-13-2011
04:14 AM
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Hi! My question straight forward is: Is it possible to load polygons as locations within the NA? The story behind is the following: I am trying to calculate the shortest routes connecting building blocks and green spaces. Doing that I don't have any data concerning entrances available. Since I realized that the NA works only with point-shapes, I created through "Feature to point" the center point for each polygon. But in the network analysis this ends up in disproportionate distances between a green space and a building block, because the NA looks for that point on the street network arouund e.g. the building block, where the distance to the center point and the street is the shortest. To keep me from thinking about possibilities with eucledean distance, severeal network analysis steps etc., it would be very easy to just use polygons as locations and have the routes being calculated to any point of the polygon. I hope the problem is understandable and I would definitely appreciate any help... Thanks, Theresa
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05-12-2011
05:28 AM
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Hi, I think I have a problem similar to the above mentioned: While trying to model my network analysis (finding closest facility) I have trouble including the incidents and facilities. So far I added them with the tool "Adding Location", once for the facilities and also once for the locations. My model looks like this now... but gives me the report "All the inputs are not current" after running the model plus no real result, even though I checked "Add to display". Is there anybody having an idea? Theresa
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04-28-2011
01:06 AM
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