Calculation time (Water Overlay)
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Aspects which impact calculation time
The following aspects can negatively impact the calculation time of the Water Overlay:
Simulation time
The simulation of the Water Overlay requires that the movement of water is computed in small enough steps that the natural flow of water can be accurately simulated. This means that for any given simulation time, the total simulation time is divided into calculation timesteps of less than a second. For each timestep, all grid cells must undergo a calculation. The longer the simulation time, the more individual timesteps must be computed, and therefor the longer it takes to fully calculate the entire duration of the intended simulation.
Grid cell size
Geographical spread of water
Amount of applicable models
Aspects which do not impact calculation time
Timeframes
