topic Re: Closest Facility "Network has no edge elements" error in ArcGIS Network Analyst Questions

Closest Facility "Network has no edge elements" error

markpooley — Tue, 22 May 2012 16:47:43 GMT

The Network Dataset I'm using to do a closest facility analysis keeps giving me the "Error: The network dataset has no edge elements. It may be unbuilt." message. I've ensured that the network is in fact built, and I "edges" show up in my table of contents. I'm unable to identify the actual source of the problem....

Re: Closest Facility "Network has no edge elements" error

AlexeyTereshenkov — Tue, 22 May 2012 18:43:39 GMT

Hi,

I've seen this issue once - the problem gone away after installing SP3 for 10.0.

Otherwise - I'd try several things:

1) Add a network dataset to ArcMap and when prompted do not add any source features. Does it draw correctly and has edges?
2) Create a new file geodatabase with a new feature dataset. Use the Feature Class to Feature Class GP tool to convert the Streets feature class. Build a new network dataset there just to test it would work in a "fresh" environment.
3) Did you upgrade a network dataset from 9.3 to 10 recently? Do you store your network dataset in a geodatabase of 9.3 version or 10?

Re: Closest Facility "Network has no edge elements" error

markpooley — Tue, 22 May 2012 18:52:27 GMT

When adding the network Dataset to Arcmap it does draw the features correctly (and has edges). I actually just attempted your second suggestion and am loading network locations at the moment.

So far everything has been done in Version 10. I will reply when/if I can get everything squared away.

Re: Closest Facility "Network has no edge elements" error

JaySandhu — Tue, 22 May 2012 19:39:49 GMT

Instead of the closest facility, can you run a route and if that succeeds to make sure it is not a network dataset issue.
Jay Sandhu

Re: Closest Facility "Network has no edge elements" error

markpooley — Mon, 04 Jun 2012 15:35:10 GMT

pretty sure I got everything lined up and working. Thanks for the help. Now, I have to address the "out of memory" when trying to solve problem.

Re: Closest Facility "Network has no edge elements" error

JaySandhu — Mon, 04 Jun 2012 21:59:45 GMT

If the out of memory is during a closest facility solve then how many incidents, facilities do you have and how many are you solving on? And do you have hierarchy on OR a meaningful cutoff in place? For example if the closest facilities should be within 60 minutes, then use that as the distance cutoff.

Jay Sandhu

Re: Closest Facility "Network has no edge elements" error

markpooley — Tue, 05 Jun 2012 14:42:54 GMT

I've got 787,808 "incidents" and 65,873 facilities. Essentially I have residential locations and commercial/destinations. Closest facility seems like the best option for generating outputs of actual routes from "origins" and "destinations".

I neglected to set a default cut off value before. So it's now set to 5. I don't have a hierarchy in the network. It's just a simple one.

Re: Closest Facility "Network has no edge elements" error

JaySandhu — Tue, 05 Jun 2012 15:43:56 GMT

If you try to solve all paths between 787,808 incidents and 65,873 facilities then that will result in about 52 billion paths and the system will run out of memory. Hopefully your 5 minute cutoff will result in a more manageable number.

Jay Sandhu

Re: Closest Facility "Network has no edge elements" error

markpooley — Tue, 05 Jun 2012 15:48:46 GMT

thanks. I've been attempting to run the solve in chunks for that exact reason. I will keep you posted...