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I am wondering what the best site to download an "All Roads" data set would be for a county that has nodes, and other attribute data that I can use to build a network dataset? I have download an all roads for the county from census.gov, but it literally only gives the street names and no other data and does not have nodes or anything indicating connections? Any thoughts for good data for network analyst would be great! Thanks
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04-09-2013
09:37 AM
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I have only done a couple hundred before not thousands. I am sure it can handle it, but like you said; very time consuming.
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01-28-2013
05:08 AM
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I was able to complete the network and it works very nicely. One thing is that I cannot receive directions because it says my network does not support it. I know you need length fields to support directions, and all of my edge classes in the dataset have a mile attribute and I have it set up as a cost in the attributes as well. Shouldn't there be directions then for me to set up as well? It will not let me click directions in the build process?
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01-16-2013
10:52 AM
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Network Analyst extension is your solution. Check the tutorial, it does exactly that and goes step by step..... http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00470000005r000000
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01-16-2013
08:41 AM
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Or do you know the best possible way to do rail routing?
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01-15-2013
10:51 AM
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Does ArcCatalog reproject all the data after it builds the network dataset? I am confused as to how some vertices where I split at the point are no longer coinciding and some are? I have repeated the steps again, and the same thing happened.
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01-15-2013
10:48 AM
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Any possible way to do rail routing also within the streetmap data?
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01-15-2013
06:04 AM
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After measuring how far off the break is from the point, at 1:1 scale, it is literally inches. I understand it probably is just an error in the split line at point tool because it is so minimal especially at the large scale I typically work at. Any suggestions as to how to fix it?
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01-15-2013
04:09 AM
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For some reason the Split Line at Point tool does not split all the rail segments at the point where the transfer edges meet the rail edge. Only some of them have a vertex created, and others are off by a meter or less and obviously the connection is not made at those nodes.
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01-14-2013
07:01 AM
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All three pictures are of the same route. The third picture is just the two points I used to test the connection and it rerouted across the map. I will check my connections again, and I made sure to use the Split Line at Intersection tool. They should be split but checking again does not hurt. Thank You
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01-14-2013
03:48 AM
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