Scenario Management in InfoWorks ICM: Benefits and Common Mistakes

One of the reasons that Innovyze implemented Scenario functionality in InfoWorks ICM is because there were some complaints about the process of exploring alternatives in ICM’s predecessor InfoWorks CS that we wanted to improve. In InfoWorks CS, any alternative to the Base network that was explored would require a new network. These alternatives were branched off from their parent network, sometimes creating large trees of networks. This was frustrating for a few reasons:

  1. This would often result in a large tree of networks, making it difficult to find the network alternative that you wish to work with. And cleaning up this tree of networks was difficult because if a parent network were deleted, all of its children (or branched networks) would have to be deleted.
  2. If a mistake were corrected (such as an incorrect pipe diameter) in a parent network, this correction would not get implemented in branched networks, so each network in the potentially very large tree of networks would need to be corrected.

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    “Special” InfoMaster Fields

    One of the best features in InfoMaster is its flexibility in terms of leveraging GIS data and the ArcGIS data structure.  95% of the time, clients can apply data fields in whatever way they specify.  However, there are some fields InfoMaster looks at specifically for specific functions.  These are the 5%.  Below are brief descriptions of these ‘special’ fields.


    ‘Special’ Facility Fields

    These fields are System Fields from the InfoMaster Facility Data Import or Facility and Asset Type Manager windows.  These fields directly relate to the clients Facility Types.

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      InfoNet 18.5 – Re-sizeable SQL Dialog Box

      InfoNet 18.5 is now out in the wild and along with a wealth of new functionality, we’ve thrown in some that will hopefully make day to day usage somewhat more pleasant. One of these is the SQL dialog box which is now resizable. So for those of you who indulge in SQLs and specifically writing those long and complex SQLs then the following should bring you a smile.

      We all know the classic SQL Dialog box…

      Classic SQL Dialog Box

      Classic SQL Dialog Box

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        Analysing Spatial Rainfall with TVD connectors

        InfoWorks ICM version 8.0 was released with several new features. One new feature is the “Averaged Spatial Rainfall on TVD connectors” and this post is an example of the flexibility that it offers you.

        What is it for?
        Have you wonder what is the rainfall over an area? This can simply be answered with the “Averaged Spatial Rainfall on TVD connectors” feature.
        The increasing resolution of spatial rainfall from radar data, with spatial resolutions as detailed as 50 metres, means the number of radar cells over an area can be significant and instead of analysing each cell you might want to analyse the average rainfall intensity over an area. This new feature enables you to calculate the Averaged Spatial Rainfall on a TVD connector polygon, which can then be used to plot rainfall averages and also to trigger alerts in a live system with InfoWorks ICMLive. Continue reading

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          GPU runtime results for 2D InfoWorks ICM models (November 2017 update)

          This is the fourth instalment in a series of blogs I’ve written summarising run times for 2D simulations conducted on PC hardware and NVIDIA GPU cards.  The first was in December 2012, I then followed up with a second in September 2016 and a third in June 2017.  Each blog shows how InfoWorks ICM has been designed to leverage technological improvements as soon as new hardware platforms and new GPU cards come onto the market.

          The tables below give simulation runtimes for two of our standard 2D testing models that were run on a high-end AMD based Workstation containing an NVidia GeForce GTX 1070Ti GPU card and a high-end Intel Xeon Server fitted with an NVidia Quadro GP100 GPU card. Continue reading

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            Project Bundling – Post Rehab Plan

            At the end of running a rehab flowchart, the rehab summary report is generated which shows the assigned rehab action for each pipe. However, many utilities and engineering consultants do not perform rehab actions on an individual pipe basis, but on many pipes grouped into individual projects. This blog addresses how InfoMaster users can bundle pipes into work orders and projects.

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              Importing Custom Service Requests, Inspections, etc.

              Many times, our clients will have custom inspection data for assets and will want to bring that information into InfoMaster.  Because InfoMaster is extremely flexible with both GIS and tabular data, there are lots of ways of doing this, but the technique below is one suggested method.  The following steps describe how custom inspection data can be brought into InfoMaster through the Work Manager tool.

              1. First, convert your survey data to an attribute table and import this attribute table into your InfoMaster project database.  Below is my example:

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                The Trick to Applying 1D Initial Conditions to ICM Simulations

                In InfoWorks ICM, it is possible to assign initial node levels or inflows as well as initial depths and flows along a river reach. If you have attempted this by creating an Initial Conditions 1D object and applying it to your Hydraulic Run only to find that the initial conditions specified were not applied, you might have been missing a few crucial steps. This only occurs if the initial conditions have been partially applied, ie, not all nodes/links have had initial conditions specified.

                Simply applying your Initial Conditions 1D object to your run here may not ensure that the initial conditions will be applied if some of the adjacent nodes/sections do not have their initial conditions set.  In which case there will be a message in the log file:

                Warning 1124: Some nodes and links in the network are not in the state.  SIM will fill in levels from known state nodes.

                There will then be an initialization phase which propagates any defined levels from the 1D initial conditions object throughout the network.


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                  Exporting Map Themes from InfoMaster

                  One of the main benefits of InfoMaster is the ability to leverage all of the different applications already within ArcMap.  Because InfoMaster is completely built within the geodatabase structure, all InfoMaster data is also ArcGIS data.  This makes it very easy for users to generate data and results with InfoMaster and then transform that data into a raw attribute table, feature class, or shapefile, so that anyone with ArcMap can view the data.

                  Below is a quick example of how seamless and user friendly this process can be.  Say, for example, that you want to export out your risk results from your gravity main facility type as a map display.  First, you would generate a map display by right-clicking on the desired risk analysis and selecting Map Display…

                  In the Thematic Mapping dialog, select the display preferences and then click update.  Users can adjust weights, colors, labels, etc. and save the theme so that it can be easily be recalled in the future.  Also note in the screenshot below that InfoMaster’s Thematic Mapping window has be simplified for a more user friendly experience in InfoMaster Update 8.1. Continue reading

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                    CoFs & LoFs: Pie Charts and Risk Weights

                    Ever wonder how the LOF and COF Contribution Pie Charts  are generated in InfoMaster?  If so, read on!

                    The percentages are calculated when InfoMaster sums the total COFs and LOFs in the risk report.

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