public void Initialize(IList <Mike1DPluginArgument> arguments, Mike1DData mike1DData)
{
// Read arguments from .m1da file. Can also be read from other sources.
Dictionary <string, XYTable> weirIdTable = new Dictionary <string, XYTable>(StringComparer.OrdinalIgnoreCase);
foreach (Mike1DPluginArgument arg in arguments)
{
if (arg.Key == "Weir")
{
// Assuming value contains structure id and then pairs of water depths and weir coefficients, like:
// weir = 'MyStrucId;0.1;0.1;0.5;0.2;1;0.5;5;0.6;10;0.65'
string[] split = arg.Value.SplitQuoted(';', '"');
string weirId = split[0];
XYTable table = new XYTable((split.Length - 1) / 2);
for (int i = 1; i < split.Length; i++)
{
double val = double.Parse(split[i], CultureInfo.InvariantCulture);
if (i % 2 == 1)
{
table.XValues[(i - 1) / 2] = val;
}
else
{
table.YValues[(i - 1) / 2] = val;
}
}
weirIdTable.Add(weirId, table);
}
}
// Match structures and coefficient tables.
foreach (IStructure structure in mike1DData.Network.StructureCollection.Structures)
{
HonmaWeir honmaWeir = structure as HonmaWeir;
XYTable table;
if (honmaWeir != null && weirIdTable.TryGetValue(structure.ID, out table))
{
_weirCoefficients.Add(new HonmaWeirInfo()
{
Weir = honmaWeir, Coefficient = table
});
}
}
// We need an event when controller has been prepared, which is a two step procedure:
// ControllerCreatedEvent and then ControllerEvent
mike1DData.ControllerCreatedEvent += ControllerCreatedEvent;
}
/// <summary>
/// In PostTimeStepEvent event, update the weir coefficient
/// Note that this could even be made time dependent.
/// </summary>
private void UpdateWeirCoefficients(DateTime time)
{
for (int i = 0; i < _weirCoefficients.Count; i++)
{
HonmaWeir weir = _weirCoefficients[i].Weir;
XYTable table = _weirCoefficients[i].Coefficient;
IDoubleGetter getter = _weirCoefficients[i].Getter;
// Update weir coefficient
if (getter != null)
{
double upstreamWaterLevel = getter.GetValue();
double depthOverCrest = upstreamWaterLevel - weir.CrestLevel;
weir.WeirCoefficient = table.YFromX(depthOverCrest, ExtrapolationTypes.Nearest);
}
}
}