/// <summary>
/// Hx = Gets the model values at the indices that are passed in the list.
/// </summary>
/// <param name="observationDescriptions">The description of the observations.</param>
/// <param name="indices">List of indices to be retrieved from the model.</param>
/// <returns>Array of model values at the given indices.</returns>
public double[] ModelValuesAtProvidedIndices(OpenDA.DotNet.Interfaces.IObservationDescriptions observationDescriptions, IList <int> indices)
{
String[] keys = observationDescriptions.PropertyKeys;
String[] quantity = observationDescriptions.GetStringProperties("quantity");
double[] xpos = observationDescriptions.GetValueProperties("xposition").Values;
double[] ypos = observationDescriptions.GetValueProperties("yposition").Values;
double[] height = observationDescriptions.GetValueProperties("height").Values;
int observationCount = observationDescriptions.ObservationCount;
int nObs = quantity.Length; // same as observationCount?
// The heights should be specified in an array of integers representing the layer. Check if the values are indeed integers or close to integers before converting
// the array of doubles to an array of integers.
const double tolerance = 1e-5;
int[] layer = new int[observationCount];
for (int i = 0; i < observationCount; i++)
{
layer[i] = Convert.ToInt32(height[i]);
if (Math.Abs(layer[i] - height[i]) > tolerance)
{
throw new Exception("The height specified in the observation was not an integer. Observation \n");
}
}
List <string> obsIds = ObsIDtoExchangeId(observationDescriptions);
// An array of model values corresponding to the observation points.
double[] Hx = GetModelValuesDifferentVariables(obsIds, indices);
return(Hx);
}
/// <summary>
/// OpenMI does not know about localization. In this method, the user can implement localization for OpenMI models in this method
/// </summary>
/// <param name="exchangeItemId">the exchange ID string</param>
/// <param name="observationDescriptions">OpenDA type of observation description</param>
/// <param name="locDistance">the distance for gaussian localization</param>
/// <returns></returns>
public double[][] getLocalization(string exchangeItemId, OpenDA.DotNet.Interfaces.IObservationDescriptions observationDescriptions, double locDistance)
{
//Get the Keys from the observer
String[] keys = observationDescriptions.PropertyKeys;
String[] quantity = observationDescriptions.GetStringProperties("quantity");
double[] xpos = observationDescriptions.GetValueProperties("xposition").Values;
double[] ypos = observationDescriptions.GetValueProperties("yposition").Values;
double[] height = observationDescriptions.GetValueProperties("height").Values;
int observationCount = observationDescriptions.ObservationCount;
// The heights should be specified in an array of integers representing the layer. Check if the values are indeed integers or close to integers before converting
// the array of doubles to an array of integers.
for (int i = 0; i < height.Length; i++)
{
if (double.IsNaN(height[i]))
{
height[i] = 0.0;
}
}
const double tolerance = 1e-5;
int[] layer = new int[observationCount];
for (int i = 0; i < observationCount; i++)
{
layer[i] = Convert.ToInt32(height[i]);
if (Math.Abs(layer[i] - height[i]) > tolerance)
{
throw new Exception("The height specified in the observation was not an integer. Observation \n");
}
}
// Gets the Grid type for the model. Can be a number of possibilities depending on the variable.
GeometryTypes geometrytype = GetGridType(exchangeItemId);
//BaseGrid
if (geometrytype == GeometryTypes.Geometry2D)
{
return(GetLocalized2D(exchangeItemId, observationCount, locDistance, xpos, ypos));
}
if (geometrytype == GeometryTypes.Geometry3DSZ)
{
double[][] mask = GetLocalized3DSZ(exchangeItemId, observationCount, locDistance, xpos, ypos, layer);
return(mask);
}
else
{
throw new NotImplementedException("Only 3D SZ and 2D BaseGrid supported so far.");
}
}
private List <string> ObsIDtoExchangeId(OpenDA.DotNet.Interfaces.IObservationDescriptions observationDescriptions)
{
String[] keys = observationDescriptions.PropertyKeys;
String[] quantity = observationDescriptions.GetStringProperties("quantity");
double[] xpos = observationDescriptions.GetValueProperties("xposition").Values;
double[] ypos = observationDescriptions.GetValueProperties("yposition").Values;
double[] height = observationDescriptions.GetValueProperties("height").Values;
int observationCount = observationDescriptions.ObservationCount;
int nObs = xpos.Length; // same as observationCount?
List <string> exchangeItemId = new List <string>();
for (int obsC = 0; obsC < nObs; obsC++)
{
if (quantity[obsC].Equals("Head", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId.Add("head elevation in saturated zone,SZ3DGrid");
}
else if (quantity[obsC].Equals("SoilMoisture", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId.Add("water content in unsaturated zone,WMUZ3DGrid");
}
else if (quantity[obsC].Equals("SurfaceTemperature", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId.Add("Surface temperature (effective),BaseGrid");
}
else if (quantity[obsC].Equals("SZVerticalConductivity", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId.Add("SZ vertical conductivity (for DA-OpenMI),SZ3DGrid");
}
else if (quantity[obsC].Equals("SZHorizontalConductivity", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId.Add("SZ horizontal conductivity (for DA-OpenMI),SZ3DGrid");
}
else
{
throw new Exception("Cannot (yet) handle obversvations of quantity (" + quantity[obsC] + ")");
}
}
return(exchangeItemId);
}
private void ModelCoordinatesSZ(OpenDA.DotNet.Interfaces.IObservationDescriptions observationDescriptions, ref IList <int> modelIndices, int starti, int lasti)
{
//IList<int> modelIndexCorrespondingToObss = new List<int>();
Full3DGrid grid = WMEngine.SzGrid;
IXYLayerPoint lowerleft = new XYLayerPoint(grid.GetVertexXCoordinate(0, 0), grid.GetVertexYCoordinate(0, 0), 0);
IXYLayerPoint upperright = new XYLayerPoint(grid.GetVertexXCoordinate(0, 2), grid.GetVertexYCoordinate(0, 2), 0);
double dx = upperright.X - lowerleft.X;
double dy = upperright.Y - lowerleft.Y;
int nz = WMEngine.SzGrid.NumberOfNodesPerColumn;
// First vertical from layer 0 to topo, then horizontal grid one by one. speficy the right location(order) mod by DZ
int nElements = WMEngine.SzGrid.ElementCount;
IDictionary <int, ISpatialDefine> modelEntities = new Dictionary <int, ISpatialDefine>(nElements * nz);
for (int i = 0; i < nElements; i += nz)
{
//int zLayer = Convert.ToInt32(i % nz);
// Points in Polygon are defined as LL, LR, UR, UL (l/l = lower/left, u = upper, r = right )
// Finds the mid x and mid y point in the polygon (assuming rectangular grid)
double LLx = grid.GetVertexXCoordinate(i, 0);
double LLy = grid.GetVertexYCoordinate(i, 0);
double URx = LLx + dx;
double URy = LLy + dy;
for (int j = 0; j < nz; j++)
{
modelEntities.Add((nz - j - 1) * nElements / nz + i / nz, new SpatialDefine(new XYLayerPoint(LLx, LLy, j), new XYLayerPoint(URx, URy, j), GeometryTypes.Geometry3DSZ));
}
}
double[] xpos = observationDescriptions.GetValueProperties("xposition").Values;
double[] ypos = observationDescriptions.GetValueProperties("yposition").Values;
double[] height = observationDescriptions.GetValueProperties("height").Values;
// For each observation index in DFS file
for (int i = starti; i <= lasti; i++)
{
IXYLayerPoint obsPoint = new XYLayerPoint(xpos[i], ypos[i], Convert.ToInt32(height[i]));
int modelIdex = XYZGeometryTools.ModelIndexWherePointIsLocated(obsPoint, modelEntities);
if (modelIdex > 0)
{
modelIndices.Add(modelIdex);
/*
* if (!modelIndices.Contains(modelIdex))
* {
* modelIndices.Add(modelIdex);
* }
* else
* {
* throw new Exception("More than one observation for same model index");
* }
*/
}
}
}
public double[] getObservedValues(OpenDA.DotNet.Interfaces.IObservationDescriptions observationDescriptions)
{
String[] keys = observationDescriptions.PropertyKeys;
String[] quantity = observationDescriptions.GetStringProperties("quantity");
double[] xpos = observationDescriptions.GetValueProperties("xposition").Values;
double[] ypos = observationDescriptions.GetValueProperties("yposition").Values;
double[] height = observationDescriptions.GetValueProperties("height").Values;
int observationCount = observationDescriptions.ObservationCount;
int nObs = quantity.Length; // same as observationCount?
// The heights should be specified in an array of integers representing the layer. Check if the values are indeed integers or close to integers before converting
// the array of doubles to an array of integers.
for (int i = 0; i < height.Length; i++)
{
if (double.IsNaN(height[i]))
{
height[i] = 0.0;
}
}
const double tolerance = 1e-5;
int[] layer = new int[observationCount];
for (int i = 0; i < observationCount; i++)
{
layer[i] = Convert.ToInt32(height[i]);
if (Math.Abs(layer[i] - height[i]) > tolerance)
{
throw new Exception("The height specified in the observation was not an integer. Observation \n");
}
}
// An array of model values corresponding to the observation points.
double[] Hx = new double[nObs];
for (int obsC = 0; obsC < nObs; obsC++)
{
// Set exchangeItem that corresponds to EntityID (no conversion yet)
String exchangeItemId;
if (quantity[obsC].Equals("Head", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId = "head elevation in saturated zone,SZ3DGrid";
}
else if (quantity[obsC].Equals("SoilMoisture", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId = "water content in unsaturated zone,WMUZ3DGrid";
}
else if (quantity[obsC].Equals("SurfaceTemperature", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId = "Surface temperature (effective),BaseGrid";
}
else if (quantity[obsC].Equals("SZVerticalConductivity", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId = "SZ vertical conductivity (for DA-OpenMI),SZ3DGrid";
}
else if (quantity[obsC].Equals("SZHorizontalConductivity", StringComparison.OrdinalIgnoreCase))
{
exchangeItemId = "SZ horizontal conductivity (for DA-OpenMI),SZ3DGrid";
}
else
{
throw new Exception("Cannot (yet) handle obversvations of quantity (" + quantity[obsC] + ")");
}
IDictionary <int, ISpatialDefine> modelCoord = GetModelCoordinates(exchangeItemId);
IXYLayerPoint obsPoint = new XYLayerPoint(xpos[obsC], ypos[obsC], layer[obsC]);
int modelVariableIndex = XYZGeometryTools.ModelIndexWherePointIsLocated(obsPoint, modelCoord);
if (modelVariableIndex >= 0)
{
Hx[obsC] = GetModelValue(exchangeItemId, modelVariableIndex);
}
else
{
throw new Exception("The observation point was NOT in the model grid! For Point: (" + xpos[obsC].ToString() + "," + ypos[obsC].ToString() + "," + layer[obsC].ToString() + ") \n");
}
}
return(Hx);
}