Using themes

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Which of the following is useful when you want to see how a group of objects is behaving by color-coding them?

(Select one)
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Step-by-step Guide

In InfoWorks WS Pro, themes are useful to see how a group of objects is behaving by color-coding them. For example, if you perform a rezone in a network, themes allow you to see how water pressure changes.

  1. Open the Session 04 Base scenario in the GeoPlan.
  2. In the Scenarios toolbar, click Create new scenario.

The InfoWorks WS Pro toolbar with the Create new scenario command called out and selected.

  1. In the Create New Scenario dialog box, enter the name “Rezone”.
  2. Click OK.

The Create New Scenario dialog box with the options configured.

  1. Use the Find Network Objects command to locate the pipe with the asset ID 144688.

In the Network Find dialog box, options configured to find a pipe using its asset ID, and Select and find selected.

To close the pipe, simulating a burst or similar problem:

  1. In the Tools toolbar, select Properties.

The Tools toolbar with the Properties command selected.

  1. In the Properties window, under Pipe Closed Profile, enable Pipe Closed.

The Properties window with the Pipe Closed enabled.

Note in the GeoPlan, a red “X” appears on the pipe.

In the GeoPlan, the closed pipe highlighted in red and marked with a red “X”.

  1. Find the valve with the asset ID 234298.
  2. Select Properties.
  3. In the Properties window, under Valve Control, set the Opening (%) to “100”.

The Properties window for the selected valve, with the Opening (%) field set to “100”.

Note: In this situation, you might open the valve to reroute water around the damaged pipe to avoid interruption to the supply.

  1. Commit the changes to both the network and the control.
  2. From the Model Group window, right-click Run Group and select New > Run.

The Run Group shortcut menu.

  1. In the Schedule Hydraulic Run dialog box, title the run “Rezone”.
  2. Drag-and-drop the BridgeNet network into the Network group box.
  3. Enable Experimental.

The Schedule Hydraulic Run dialog box with options configured for the Rezone run.

  1. In the Scenarios tab, enable Base.
  2. Enable Rezone.
  3. Click Save.
  4. Click Run.

The Schedule Hydraulic Run dialog box, with Base and Rezone selected in the Scenarios tab and Save selected.

  1. In the Model Group window, expand Rezone. Drag-and-drop [Rezone] BridgeCon into the workspace.
  2. Right-click BridgeCon and select Open as.

The Model Group window, Rezone Control shortcut menu with Open as selected and called out, and the GeoPlan with the Rezone run open.

  1. In the Select Results dialog box, click As Alternate Results For Comparison.
  2. Click OK.

The Select Results dialog box.

To apply a predefined theme to the model:

  1. In the Model Group window, expand Theme Group.
  2. Expand Factory (add).
  3. Drag-and-drop the Nodal Pressure theme into the run GeoPlan.

Notice the nodes are color-coded to reflect changes in water pressure across the network.

The Model Group window file tree, with Theme Group and Factory (add) expanded to show predefined themes; and the GeoPlan with the Nodal Pressure theme applied.

  1. Click through the timeline bar in the top-left corner of the GeoPlan to see how pressure changes over time.

To understand what each color represents:

  1. In the toolbar, click Thematic key window.

The Docking windows toolbar with the Thematic key window command called out.

  1. In the Thematic Key Window, expand Node and pressure to review the color key relating to water pressure.

The Thematic Key window, with Node and pressure expanded to reveal the color key related to water pressure.

  1. Locate pipe 144688 again.

Notice that with the pipe closed, the drop in pressure in the network is downstream, but with the valve open, flow is maintained.

To apply an SQL to review individual customer pressure:

  1. In the Model Group window, expand Stored Query Group.
  2. Double-click Compare Minimum Customer Pressure.

The Model Group window file tree expanded with Compare Minimum Customer Pressure selected.

  1. In the SQL dialog box, deselect Apply Filter To Current Selection.
  2. Click Run.

The SQL dialog box with Apply Filter To Current Selection deselected and Run selected.

In the results window, Sim 1 represents the Rezone run, and Sim 2 represents the Base run. The Difference of –0.69 indicates only a small drop in pressure. Therefore, the rezone was somewhat successful.

The Results window comparing minimum customer pressure for the Rezone and the Base run.