public static ISink GetSinkModel(string ModelID)
{
ISink NewModel = null;
switch (ModelID)
{
case "SmallLakesSink":
NewModel = new SmallLakesSink();
break;
case "StreamSink":
NewModel = new StreamSink();
break;
case "LakeSink":
NewModel = new LakeSink();
break;
case "ConstructedWetland":
NewModel = new ConstructedWetlandSink();
break;
case "ConceptualSourceReducer":
NewModel = new ConceptualSourceReducer();
break;
}
return(NewModel);
}
public static ISink GetSinkModel(string ModelID)
{
ISink NewModel = null;
switch (ModelID)
{
case "SmallLakesSink":
NewModel = new SmallLakesSink();
break;
case "StreamSink":
NewModel = new StreamSink();
break;
case "LakeSink":
NewModel = new LakeSink();
break;
case "ConstructedWetland":
NewModel = new ConstructedWetlandSink();
break;
case "ConceptualSourceReducer":
NewModel = new ConceptualSourceReducer();
break;
}
return NewModel;
}
public void Calibrate(MainModel MW, DateTime CStart, DateTime CEnd)
{
dt.Columns.Add("ID15", typeof(int));
dt.Columns.Add("No_iterations", typeof(int));
dt.Columns.Add("LastError", typeof(double));
dt.Columns.Add("GWRatio", typeof(double));
dt.Columns.Add("IntRatio", typeof(double));
dt.Columns.Add("MainRatio", typeof(double));
dt.Columns.Add("RedFactor", typeof(double));
dt.PrimaryKey = new DataColumn[]{ dt.Columns[0]};
DateTime CurrentTime = CStart;
string gwsourcename =MW.SourceModels.Single(s=>s.GetType()==typeof(GroundWaterSource)).Name;
foreach (var item in MW.AllCatchments.Values)
{
var row = dt.NewRow();
row[0] = item.ID;
CurrentTime = CStart;
double gwleach = 0;
double gwsourec = 0;
double gwConcDeg = 0;
double intsource = 0;
double intred = 0;
double upstream = 0;
double mainred = 0;
while (CurrentTime < CEnd)
{
double IntMass = 0;
var CurrentState = MW.StateVariables.Rows.Find(new object[] { item.ID, CurrentTime });
gwleach += (double) CurrentState["Leaching"];
gwsourec += (double)CurrentState[gwsourcename];
IntMass = (double)CurrentState[gwsourcename];
foreach (var conc in MW.InternalReductionModels.Where(s => s.GetType() == typeof(ConceptualSourceReducer) && ((ConceptualSourceReducer)s).SourceModelName == gwsourcename))
{
gwConcDeg += (double)CurrentState[conc.Name];
IntMass -= (double)CurrentState[conc.Name];
}
foreach (var intsou in MW.SourceModels.Where(s => s.Name != gwsourcename))
{
intsource += (double)CurrentState[intsou.Name];
IntMass += (double)CurrentState[intsou.Name];
}
foreach (var conc in MW.InternalReductionModels.Where(s => s.GetType() != typeof(ConceptualSourceReducer)))
{
intred += (double)CurrentState[conc.Name];
IntMass -= (double)CurrentState[conc.Name];
}
foreach (var mainr in MW.MainStreamRecutionModels)
{
if (!CurrentState.IsNull(mainr.Name))
{
mainred += (double)CurrentState[mainr.Name];
IntMass -= (double)CurrentState[mainr.Name];
}
}
if (!CurrentState.IsNull("DownStreamOutput"))
{
IntMass = (double)CurrentState["DownStreamOutput"] - IntMass;
upstream += IntMass;
}
CurrentTime = CurrentTime.AddMonths(1);
}
if (gwleach == 0)
row["GWRatio"]=1;
else
row["GWRatio"] = (gwleach - gwsourec + gwConcDeg) / gwleach;
row["IntRatio"] = intred / (gwsourec - gwConcDeg + intsource);
row["MainRatio"] = mainred / (gwsourec - gwConcDeg + intsource - intred + upstream);
dt.Rows.Add(row);
}
CurrentTime = CStart;
this.MW = MW;
List<Catchment> SortedCatchments = new List<Catchment>();
ConceptualSourceReducer GWCor = new ConceptualSourceReducer();
GWCor.Name = "Calibrator";
GWCor.SourceModelName = "GroundWater";
var LastConceptual = MW.InternalReductionModels.LastOrDefault(c => c.GetType() == typeof(ConceptualSourceReducer));
if (LastConceptual == null)
MW.InternalReductionModels.Insert(0, GWCor);
else
MW.InternalReductionModels.Insert(MW.InternalReductionModels.IndexOf(LastConceptual) + 1, GWCor);
if (!MW.StateVariables.Columns.Contains(GWCor.Name))
MW.StateVariables.Columns.Add(GWCor.Name, typeof(double));
ConceptualSourceReducer IntCor = new ConceptualSourceReducer();
IntCor.Name = "Calib_Int";
MW.InternalReductionModels.Add(IntCor);
if (!MW.StateVariables.Columns.Contains(IntCor.Name))
MW.StateVariables.Columns.Add(IntCor.Name, typeof(double));
ConceptualSourceReducer MainCor = new ConceptualSourceReducer();
MainCor.Name = "Calib_Main";
MW.MainStreamRecutionModels.Add(MainCor);
if (!MW.StateVariables.Columns.Contains(MainCor.Name))
MW.StateVariables.Columns.Add(MainCor.Name, typeof(double));
foreach (var item in MW.EndCatchments)
{
GetCatchmentsWithObs(item, SortedCatchments);
}
foreach (var item in MW.AllCatchments.Values)
{
GWCor.Reduction.Add(item.ID, 0);
IntCor.Reduction.Add(item.ID, 0);
MainCor.Reduction.Add(item.ID, 0);
}
int totaliter = 0;
foreach (var v in SortedCatchments)
{
List<double> Errors = new List<double>();
double localdamp = DampingFactor;
double currentreducer = 0;
double Error = double.MaxValue;
int itercount = 0;
var row = dt.Rows.Find(v.ID);
NewMessage("Calibrating " + v.ID);
while (Math.Abs(Error) > AbsoluteConvergence & itercount < MaxNoOfIterations)
{
v.ObsNitrate = null;
v.SimNitrate = null;
double accgws = 0;
double accs = 0;
double accsink = 0;
double accmainsink = 0;
double obssum = 0;
CurrentTime = CStart;
while (CurrentTime < CEnd)
{
v.MoveInTime(CurrentTime);
double obsn =v.Measurements.Nitrate.GetValue(CurrentTime, InterpolationMethods.DeleteValue);
if (obsn != v.Measurements.Nitrate.DeleteValue)
{
obssum += obsn;
accgws += AccumulateUpstream(GWCor.SourceModelName, v, CurrentTime);
foreach (var s in MW.InternalReductionModels)
accsink += AccumulateUpstream(s.Name, v, CurrentTime);
foreach (var s in MW.SourceModels.Where(ss => ss.Name != GWCor.SourceModelName))
accs += AccumulateUpstream(s.Name, v, CurrentTime);
foreach (var s in MW.MainStreamRecutionModels)
accmainsink += AccumulateUpstream(s.Name, v, CurrentTime);
}
CurrentTime = CurrentTime.AddMonths(1);
}
double[] sim;
double[] obs;
v.ObsNitrate.AlignRemoveDeletevalues(v.SimNitrate, out obs, out sim);
double simerror = obs.Sum() - sim.Sum();
Error = (accs + accgws - accsink - accmainsink) - obssum;
if (itercount == 0 & double.IsNaN(Error))
{
NewMessage("Initial error is NAN. Could not calibrate " + v.ID);
break;
}
currentreducer = Error / accgws * localdamp;
Errors.Add(Error);
NewMessage(Error.ToString());
if (double.IsNaN(Error) || (itercount > 2 && Math.Abs(Error) > Errors.Skip(itercount - 3).Take(3).Select(e => Math.Abs(e)).Max()))
{
SendReducUpstream(v, GWCor.Reduction, currentreducer, "GWRatio", true);
SendReducUpstream(v, IntCor.Reduction, InternalRatio * currentreducer, "IntRatio", true);
SendReducUpstream(v, MainCor.Reduction, MainRatio * currentreducer, "MainRatio", true);
NewMessage("Reduce damping and resetting reducer to first value");
localdamp *= 0.5;
currentreducer = Errors.First() / accgws * localdamp;
Error = 2 * AbsoluteConvergence; //To make sure we do not NAN for testing in the next iteration.
}
SendReducUpstream(v, GWCor.Reduction, currentreducer, "GWRatio",false);
SendReducUpstream(v, IntCor.Reduction, InternalRatio * currentreducer, "IntRatio", false);
SendReducUpstream(v, MainCor.Reduction, MainRatio * currentreducer, "MainRatio", false);
itercount++;
}
totaliter += itercount;
row[0] = v.ID;
row[1] = itercount;
row[2] = Error;
row["RedFactor"] = GWCor.Reduction[v.ID];
NewMessage(v.ID + " calibrated in " + itercount + " iterations. Final error: " + Error + ". ReductionFactor: " + GWCor.Reduction[v.ID]);
}
NewMessage("Total number of model calls: " + totaliter);
var outdir = Path.GetDirectoryName(MW.AlldataFile.FileName);
GWCor.DebugPrint(outdir, MW.AllCatchments);
IntCor.DebugPrint(outdir, MW.AllCatchments);
MainCor.DebugPrint(outdir, MW.AllCatchments);
using (ShapeWriter sw = new ShapeWriter(Path.Combine(outdir, "CalibrationResult")) { Projection = MainModel.projection })
{
for (int i = 0; i < dt.Rows.Count; i++)
{
GeoRefData gd = new GeoRefData() { Geometry = MW.AllCatchments[(int)dt.Rows[i][0]].Geometry };
gd.Data = dt.Rows[i];
sw.Write(gd);
}
}
}
public void Calibrate(MainModel MW, DateTime CStart, DateTime CEnd)
{
dt.Columns.Add("ID15", typeof(int));
dt.Columns.Add("No_iterations", typeof(int));
dt.Columns.Add("LastError", typeof(double));
dt.Columns.Add("GWRatio", typeof(double));
dt.Columns.Add("IntRatio", typeof(double));
dt.Columns.Add("MainRatio", typeof(double));
dt.Columns.Add("RedFactor", typeof(double));
dt.PrimaryKey = new DataColumn[] { dt.Columns[0] };
DateTime CurrentTime = CStart;
string gwsourcename = MW.SourceModels.Single(s => s.GetType() == typeof(GroundWaterSource)).Name;
foreach (var item in MW.AllCatchments.Values)
{
var row = dt.NewRow();
row[0] = item.ID;
CurrentTime = CStart;
double gwleach = 0;
double gwsourec = 0;
double gwConcDeg = 0;
double intsource = 0;
double intred = 0;
double upstream = 0;
double mainred = 0;
while (CurrentTime < CEnd)
{
double IntMass = 0;
var CurrentState = MW.StateVariables.Rows.Find(new object[] { item.ID, CurrentTime });
gwleach += (double)CurrentState["Leaching"];
gwsourec += (double)CurrentState[gwsourcename];
IntMass = (double)CurrentState[gwsourcename];
foreach (var conc in MW.InternalReductionModels.Where(s => s.GetType() == typeof(ConceptualSourceReducer) && ((ConceptualSourceReducer)s).SourceModelName == gwsourcename))
{
gwConcDeg += (double)CurrentState[conc.Name];
IntMass -= (double)CurrentState[conc.Name];
}
foreach (var intsou in MW.SourceModels.Where(s => s.Name != gwsourcename))
{
intsource += (double)CurrentState[intsou.Name];
IntMass += (double)CurrentState[intsou.Name];
}
foreach (var conc in MW.InternalReductionModels.Where(s => s.GetType() != typeof(ConceptualSourceReducer)))
{
intred += (double)CurrentState[conc.Name];
IntMass -= (double)CurrentState[conc.Name];
}
foreach (var mainr in MW.MainStreamRecutionModels)
{
if (!CurrentState.IsNull(mainr.Name))
{
mainred += (double)CurrentState[mainr.Name];
IntMass -= (double)CurrentState[mainr.Name];
}
}
if (!CurrentState.IsNull("DownStreamOutput"))
{
IntMass = (double)CurrentState["DownStreamOutput"] - IntMass;
upstream += IntMass;
}
CurrentTime = CurrentTime.AddMonths(1);
}
if (gwleach == 0)
{
row["GWRatio"] = 1;
}
else
{
row["GWRatio"] = (gwleach - gwsourec + gwConcDeg) / gwleach;
}
row["IntRatio"] = intred / (gwsourec - gwConcDeg + intsource);
row["MainRatio"] = mainred / (gwsourec - gwConcDeg + intsource - intred + upstream);
dt.Rows.Add(row);
}
CurrentTime = CStart;
this.MW = MW;
List <Catchment> SortedCatchments = new List <Catchment>();
ConceptualSourceReducer GWCor = new ConceptualSourceReducer();
GWCor.Name = "Calibrator";
GWCor.SourceModelName = "GroundWater";
var LastConceptual = MW.InternalReductionModels.LastOrDefault(c => c.GetType() == typeof(ConceptualSourceReducer));
if (LastConceptual == null)
{
MW.InternalReductionModels.Insert(0, GWCor);
}
else
{
MW.InternalReductionModels.Insert(MW.InternalReductionModels.IndexOf(LastConceptual) + 1, GWCor);
}
if (!MW.StateVariables.Columns.Contains(GWCor.Name))
{
MW.StateVariables.Columns.Add(GWCor.Name, typeof(double));
}
ConceptualSourceReducer IntCor = new ConceptualSourceReducer();
IntCor.Name = "Calib_Int";
MW.InternalReductionModels.Add(IntCor);
if (!MW.StateVariables.Columns.Contains(IntCor.Name))
{
MW.StateVariables.Columns.Add(IntCor.Name, typeof(double));
}
ConceptualSourceReducer MainCor = new ConceptualSourceReducer();
MainCor.Name = "Calib_Main";
MW.MainStreamRecutionModels.Add(MainCor);
if (!MW.StateVariables.Columns.Contains(MainCor.Name))
{
MW.StateVariables.Columns.Add(MainCor.Name, typeof(double));
}
foreach (var item in MW.EndCatchments)
{
GetCatchmentsWithObs(item, SortedCatchments);
}
foreach (var item in MW.AllCatchments.Values)
{
GWCor.Reduction.Add(item.ID, 0);
IntCor.Reduction.Add(item.ID, 0);
MainCor.Reduction.Add(item.ID, 0);
}
int totaliter = 0;
foreach (var v in SortedCatchments)
{
List <double> Errors = new List <double>();
double localdamp = DampingFactor;
double currentreducer = 0;
double Error = double.MaxValue;
int itercount = 0;
var row = dt.Rows.Find(v.ID);
NewMessage("Calibrating " + v.ID);
while (Math.Abs(Error) > AbsoluteConvergence & itercount < MaxNoOfIterations)
{
v.ObsNitrate = null;
v.SimNitrate = null;
double accgws = 0;
double accs = 0;
double accsink = 0;
double accmainsink = 0;
double obssum = 0;
CurrentTime = CStart;
while (CurrentTime < CEnd)
{
v.MoveInTime(CurrentTime);
double obsn = v.Measurements.Nitrate.GetValue(CurrentTime, InterpolationMethods.DeleteValue);
if (obsn != v.Measurements.Nitrate.DeleteValue)
{
obssum += obsn;
accgws += AccumulateUpstream(GWCor.SourceModelName, v, CurrentTime);
foreach (var s in MW.InternalReductionModels)
{
accsink += AccumulateUpstream(s.Name, v, CurrentTime);
}
foreach (var s in MW.SourceModels.Where(ss => ss.Name != GWCor.SourceModelName))
{
accs += AccumulateUpstream(s.Name, v, CurrentTime);
}
foreach (var s in MW.MainStreamRecutionModels)
{
accmainsink += AccumulateUpstream(s.Name, v, CurrentTime);
}
}
CurrentTime = CurrentTime.AddMonths(1);
}
double[] sim;
double[] obs;
v.ObsNitrate.AlignRemoveDeletevalues(v.SimNitrate, out obs, out sim);
double simerror = obs.Sum() - sim.Sum();
Error = (accs + accgws - accsink - accmainsink) - obssum;
if (itercount == 0 & double.IsNaN(Error))
{
NewMessage("Initial error is NAN. Could not calibrate " + v.ID);
break;
}
currentreducer = Error / accgws * localdamp;
Errors.Add(Error);
NewMessage(Error.ToString());
if (double.IsNaN(Error) || (itercount > 2 && Math.Abs(Error) > Errors.Skip(itercount - 3).Take(3).Select(e => Math.Abs(e)).Max()))
{
SendReducUpstream(v, GWCor.Reduction, currentreducer, "GWRatio", true);
SendReducUpstream(v, IntCor.Reduction, InternalRatio * currentreducer, "IntRatio", true);
SendReducUpstream(v, MainCor.Reduction, MainRatio * currentreducer, "MainRatio", true);
NewMessage("Reduce damping and resetting reducer to first value");
localdamp *= 0.5;
currentreducer = Errors.First() / accgws * localdamp;
Error = 2 * AbsoluteConvergence; //To make sure we do not NAN for testing in the next iteration.
}
SendReducUpstream(v, GWCor.Reduction, currentreducer, "GWRatio", false);
SendReducUpstream(v, IntCor.Reduction, InternalRatio * currentreducer, "IntRatio", false);
SendReducUpstream(v, MainCor.Reduction, MainRatio * currentreducer, "MainRatio", false);
itercount++;
}
totaliter += itercount;
row[0] = v.ID;
row[1] = itercount;
row[2] = Error;
row["RedFactor"] = GWCor.Reduction[v.ID];
NewMessage(v.ID + " calibrated in " + itercount + " iterations. Final error: " + Error + ". ReductionFactor: " + GWCor.Reduction[v.ID]);
}
NewMessage("Total number of model calls: " + totaliter);
var outdir = Path.GetDirectoryName(MW.AlldataFile.FileName);
GWCor.DebugPrint(outdir, MW.AllCatchments);
IntCor.DebugPrint(outdir, MW.AllCatchments);
MainCor.DebugPrint(outdir, MW.AllCatchments);
using (ShapeWriter sw = new ShapeWriter(Path.Combine(outdir, "CalibrationResult"))
{
Projection = MainModel.projection
})
{
for (int i = 0; i < dt.Rows.Count; i++)
{
GeoRefData gd = new GeoRefData()
{
Geometry = MW.AllCatchments[(int)dt.Rows[i][0]].Geometry
};
gd.Data = dt.Rows[i];
sw.Write(gd);
}
}
}
