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Thread: Geometric Network Automation/Scheduling

  1. #1
    Mike Louwrens
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    Default Geometric Network Automation/Scheduling

    Hi,

    We have a geometric network containing our Water supply assets, and we have been manually running traces on different parts of the network to determine our demand areas (based on Closed valves and position of bulk water meters to measure in- and out-flow of water in the area).

    We would like to have this automated somehow, but the only way I think this can happen is by using .Net as there don't appear to be any Python tools available for use on a geometric network. Is that correct?

    How difficult would it be to set up some kind of automation that sets the status of the closed valves and the bulk meters, and then running a trace to find the water mains within each area. These areas can change when a valve is opened or closed, or a meter is added or removed. I'm not much of a .Net programmer, but if its fairly straightforward I could give it a try?

    Cheers,
    Mike.
    Mike Louwrens | Spatial Asset Specialist
    Tauranga City Council |
    www.tauranga.govt.nz

  2. #2
    Michael Miller

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    Default Re: Geometric Network Automation/Scheduling

    Mike,
    ArcGIS 10.1 will include Geoprocessing Geometric Network operations. If you have access to the beta/pre-release, I would look at these tools. Another thought is to look at the Isolation trace tools included with the Infrastructure Editing Template. The isolation trace tool finds all the valves required to shut down service to a main, and selects all affected assets. There is a version of this tool that runs through each pipe in your systems and runs the trace. You could use these as a base for your own tool. This will require C# programming though.
    Michael Miller
    Solutions Manager
    mmiller@esri.com

  3. #3
    Mike Louwrens
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    Default Re: Geometric Network Automation/Scheduling

    Thanks for your suggestions, I will try to get my hands on a pre-release of 10.1 and see if that does what I need.

    Cheers,
    Mike.
    Mike Louwrens | Spatial Asset Specialist
    Tauranga City Council |
    www.tauranga.govt.nz

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