public static Bitmap DoubleToBitmapSimple(IRI.Msh.Algebra.Matrix data)
{
Bitmap result = new Bitmap(data.NumberOfColumns, data.NumberOfRows);
for (int i = 0; i < data.NumberOfRows; i++)
{
for (int j = 0; j < data.NumberOfColumns; j++)
{
if (data[i, j] > 256)
{
result.SetPixel(j, i, Color.FromArgb(255, 255, 255));
}
else if (data[i, j] < 0)
{
result.SetPixel(j, i, Color.FromArgb(0, 0, 0));
}
else
{
result.SetPixel(j, i, Color.FromArgb((int)data[i, j], (int)data[i, j], (int)data[i, j]));
}
}
}
return(result);
}
public static Bitmap DoubleToBitmapLinear(IRI.Msh.Algebra.Matrix data)
{
Bitmap result = new Bitmap(data.NumberOfColumns, data.NumberOfRows);
double Max = IRI.Msh.Statistics.Statistics.GetMax(data);
double Min = IRI.Msh.Statistics.Statistics.GetMin(data);
for (int i = 0; i < data.NumberOfRows; i++)
{
for (int j = 0; j < data.NumberOfColumns; j++)
{
if (data[i, j].Equals(double.NaN))
{
result.SetPixel(j, i, Color.Red);
continue;
}
int tempValue = (int)((data[i, j] - Min) * 255 / (Math.Abs(Max - Min)));
result.SetPixel(j, i, Color.FromArgb(tempValue, tempValue, tempValue));
}
}
return(result);
}
public void SaveAsGRD(string path, IRI.Msh.Algebra.Matrix values, double lowerLeftX, double lowerLeftY, double cellSize, double noDataValue)
{
System.IO.StreamWriter writer = new System.IO.StreamWriter(path);
int numberOfColumns = values.NumberOfColumns;
int numberOfRows = values.NumberOfRows;
writer.WriteLine(string.Format("ncols {0}", numberOfColumns));
writer.WriteLine(string.Format("nrows {0}", numberOfRows));
writer.WriteLine(string.Format("xllcorner {0}", lowerLeftX));
writer.WriteLine(string.Format("yllcorner {0}", lowerLeftY));
writer.WriteLine(string.Format("cellsize {0}", cellSize));
writer.WriteLine(string.Format("NODATA_value {0}", noDataValue));
for (int i = 0; i < numberOfRows; i++)
{
for (int j = 0; j < numberOfColumns; j++)
{
writer.Write(string.Format("{0} ", values[i, j]));
}
writer.WriteLine();
}
writer.Close();
}
private void ReadToMatrix()
{
System.IO.StreamReader reader = new System.IO.StreamReader(this.Path);
Values = new IRI.Msh.Algebra.Matrix(this.NumberOfRows, this.NumberOfColumns);
for (int i = 0; i < 6; i++)
{
reader.ReadLine();
}
for (int i = 0; i < NumberOfRows; i++)
{
string line = reader.ReadLine();
string[] lineValues = line.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (lineValues.Length != this.NumberOfColumns)
{
throw new Exception("File was corrupted");
}
for (int j = 0; j < NumberOfColumns; j++)
{
double tempValue = double.Parse(lineValues[j]);
if (tempValue == this.NoDataValue)
{
Values[i, j] = double.NaN;
}
else
{
Values[i, j] = tempValue;
}
}
}
reader.Close();
}
