How to add a timeframe for initial conditions of a simulation (Water Overlay)

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For some calculations in general, but also for verifying the initial conditions of a calctulation, it may be desirable to obtain a result from the Water Overlay at the exact start of the simulation. This timeframe may, for example, provide insight into the exact levels and locations at which water is initialized.

Editor → Current Situation (Ribbon tab) → Overlays (Ribbon bar) → The Water Overlay (Left panel)
How to add a timeframe for initial conditions of a simulation:
  1. Select the Water Overlay which should have an additional timeframe.
  2. In the Water Overlay Wizard, in the step regarding timeframes, ensure the Water Overlay uses "Custom times".
  3. Close the Water Overlay Wizard.
  4. In the right panel, switch to the Attributes tab.
  5. Find the TIMEFRAME_TIMES Attribute, and add a 0 as a first value.
    (e.g. If the value is "100 200 300", change it to "0 100 200 300".)
  6. Find the TIMEFRAMES Attribute, and increment it by 1
    (e.g. If the value is "3", change it to "4".)
  7. Recalculate the Water Overlay.
  8. The first timeframe of the Water Overlay and its result types will display the initial conditions of the calculation.