private double?AdjustedRmsZ(Grid2DPhenotype other)
{
RegularGrid2D adjusted_grid = AdjustedGrid(other);
double? adjustedRmsZ = grid.RmsDifference(adjusted_grid);
return(adjustedRmsZ);
}
public override double[] Compare(Phenotype other)
{
Debug.Assert(other is Grid2DPhenotype);
Grid2DPhenotype otherPhenotype = (Grid2DPhenotype)other;
return(CompareAdjustedHeight(otherPhenotype));
}
/// <summary>
/// Divide the Grids into tiles, and compute the adjusted height fitness
/// for each tile.
/// </summary>
/// <param name="other">The grid to be compared against this.</param>
/// <returns>An array of tile fitnesses</returns>
private double[] CompareTiledAdjustedHeight(Grid2DPhenotype other)
{
List <double> result = new List <double>();
const int numTilesI = 2;
const int numTilesJ = 2;
RegularGrid2D adjusted_grid = AdjustedGrid(other);
int tileSizeI = this.grid.SizeI / numTilesI;
int tileSizeJ = this.grid.SizeJ / numTilesJ;
for (int tileI = 0; tileI < numTilesI; ++tileI)
{
int beginI = tileI * tileSizeI;
int endI = (tileI + 1) * tileSizeI;
for (int tileJ = 0; tileJ < numTilesJ; ++tileJ)
{
int beginJ = tileJ * tileSizeJ;
int endJ = (tileJ + 1) * tileSizeJ;
double?adjustedRmsZ = grid.RmsDifference(adjusted_grid, beginI, endI, beginJ, endJ);
if (adjustedRmsZ.HasValue)
{
result.Add(adjustedRmsZ.Value);
}
}
}
return(result.ToArray());
}
private double[] CompareAdjustedHeight(Grid2DPhenotype other)
{
double?adjustedRmsZ = AdjustedRmsZ(other);
Debug.Assert(adjustedRmsZ.HasValue);
return(new double[] { adjustedRmsZ.Value });
}
private double[] CompareHeight(Grid2DPhenotype other)
{
// Partial derivative comparisons
double?rmsZ = grid.RmsDifference(other.Grid);
Debug.Assert(rmsZ.HasValue);
return(new double[] { rmsZ.Value });
}
private double[] CompareHeightAndGradients(Grid2DPhenotype other)
{
// Partial derivative comparisons
double?rmsZ = grid.RmsDifference(other.Grid);
double?rmsDzDx = RmsGradientI(other);
double?rmsDzDy = RmsGradientJ(other);
return(new double[] { rmsZ.Value, rmsDzDx.Value, rmsDzDy.Value });
}
private double[] CompareAdjustedHeightAndGradients(Grid2DPhenotype other)
{
double?adjustedRmsZ = AdjustedRmsZ(other);
double?rmsGradientI = RmsGradientI(other);
double?rmsGradientJ = RmsGradientJ(other);
Debug.Assert(adjustedRmsZ.HasValue);
Debug.Assert(rmsGradientI.HasValue);
Debug.Assert(rmsGradientJ.HasValue);
return(new double[] { adjustedRmsZ.Value, rmsGradientI.Value, rmsGradientJ.Value });
}
public double RandomHistogramDipAzimuth()
{
if (dipAzimuthHistogramGenerator == null)
{
Grid2DPhenotype p = (Grid2DPhenotype)Target;
IRegularGrid2D g = p.Grid;
Histogram dipAzimuthHistogram = g.CreateDipAzimuthHistogram(24);
dipAzimuthHistogramGenerator = new ContinuousHistogramGenerator(dipAzimuthHistogram);
}
double value = dipAzimuthHistogramGenerator.NextDouble();
//Console.WriteLine("randomAzimuth = {0}", Angle.RadiansToDegrees(value));
return(value);
}
private RegularGrid2D AdjustedGrid(Grid2DPhenotype other)
{
double mean = grid.Mean();
double other_mean = other.Grid.Mean();
double difference = other_mean - mean;
RegularGrid2D adjusted_grid = (RegularGrid2D)other.Grid.Clone();
for (int i = 0; i < adjusted_grid.SizeI; ++i)
{
for (int j = 0; j < adjusted_grid.SizeJ; ++j)
{
adjusted_grid[i, j] -= difference;
}
}
return(adjusted_grid);
}
private static void RecordBest(IRegularGrid2D targetGrid, Population population, int generation, RectangularDomain domain)
{
List <Individual> best = population.Best;
for (int j = 0; j < best.Count; ++j)
{
Console.Write("best[{0}] = [", j);
foreach (double f in best[j].Fitness)
{
Console.Write(f);
Console.Write(" ");
}
Console.WriteLine("] with {0} genes", best[j].Genome.Count);
// Express the genome to create a grid
Individual bestIndividual = (Individual)best[j].Clone();
Grid2DPhenotype bestPhenotype = (Grid2DPhenotype)bestIndividual.Phenome;
bestPhenotype.Grid.MaskFrom(targetGrid);
StringBuilder gridFileName = new StringBuilder();
gridFileName.AppendFormat("evolved_{0}_{1}.grd", generation + 1, j);
bestPhenotype.Grid.WriteSurfer6BinaryFile(gridFileName.ToString());
ReportLogger.Instance.Writer.WriteStartElement("Grid");
ReportLogger.Instance.Writer.WriteStartAttribute("file");
ReportLogger.Instance.Writer.WriteValue(gridFileName.ToString());
ReportLogger.Instance.Writer.WriteEndAttribute();
ReportLogger.Instance.Writer.WriteEndElement();
// Express the genome to create a fault polygon map
OutlineMapDomain mapDomain = new OutlineMapDomain(domain);
OutlineMapPhenotype mapPhenotype = (OutlineMapPhenotype)bestIndividual.Genome.Express(mapDomain);
StringBuilder polygonFileName = new StringBuilder();
polygonFileName.AppendFormat("evolved_{0}_{1}.poly", generation + 1, j);
using (StreamWriter writer = File.CreateText(polygonFileName.ToString()))
{
writer.Write(mapPhenotype.ToString());
}
ReportLogger.Instance.Writer.WriteStartElement("Polygons");
ReportLogger.Instance.Writer.WriteStartAttribute("file");
ReportLogger.Instance.Writer.WriteValue(polygonFileName.ToString());
ReportLogger.Instance.Writer.WriteEndAttribute();
ReportLogger.Instance.Writer.WriteEndElement();
}
}
private double?RmsGradientI(Grid2DPhenotype other)
{
double?rmsDzDx = PartialDerivativeIGrid.RmsDifference(other.PartialDerivativeIGrid);
return(rmsDzDx);
}
