/// <summary>
/// Parses the array.
/// </summary>
/// <param name="dataArray">The data array.</param>
/// <param name="getRangeFromData">if set to <c>true</c> [get range from data].</param>
/// <param name="realRange">The real range.</param>
/// <returns>The <see cref="MatrixCanvasViewModel"/></returns>
/// <exception cref="System.ArgumentException">If getRangeFromData is false yMin and yMax must be specified</exception>
private static MatrixCanvasViewModel ParseArray(Array dataArray, bool getRangeFromData, RealRange realRange)
{
MatrixCanvasViewModel viewModel = new MatrixCanvasViewModel
{
DataType = TypeCode.Empty,
Rows = 0,
Cols = 0,
DataRange = new RealRange(),
Data = dataArray
};
if (getRangeFromData)
{
realRange = new RealRange();
}
else
{
if (realRange == null || !realRange.IsValid())
{
throw new ArgumentException("If getRangeFromData is false yMin and yMax must be specified");
}
}
if (dataArray == null)
{
return(viewModel);
}
switch (dataArray.Rank)
{
case 1:
ParseJaggedArray(dataArray, getRangeFromData, realRange, ref viewModel);
break;
case 2:
Parse2DArray(dataArray, getRangeFromData, realRange, ref viewModel);
break;
}
return(viewModel);
}
/// <summary>
/// Parses the 2d array.
/// </summary>
/// <param name="dataArray">The data array.</param>
/// <param name="getRangeFromData">if set to <c>true</c> [get range from data].</param>
/// <param name="realRange">The real range.</param>
/// <param name="viewModel">The view model.</param>
private static void Parse2DArray(Array dataArray, bool getRangeFromData, RealRange realRange, ref MatrixCanvasViewModel viewModel)
{
viewModel.RowSums = new double[dataArray.Length];
for (int i = 0; i < dataArray.GetLength(0); i++)
{
for (int j = 0; j < dataArray.GetLength(1); j++)
{
object val = dataArray.GetValue(i, j);
double dval = Convert.ToDouble(val);
viewModel.DataType = Type.GetTypeCode(val.GetType());
viewModel.RowSums[i] += dval;
if (!getRangeFromData)
{
continue;
}
realRange.Expand(dval);
}
}
realRange.FixErrors();
viewModel.DataRange = realRange;
viewModel.Rows = dataArray.GetLength(0);
viewModel.Cols = dataArray.GetLength(1);
}
/// <summary>
/// Parses the jagged array.
/// </summary>
/// <param name="dataArray">The data array.</param>
/// <param name="getRangeFromData">if set to <c>true</c> [get range from data].</param>
/// <param name="realRange">The real range.</param>
/// <param name="viewModel">The view model.</param>
private static void ParseJaggedArray(Array dataArray, bool getRangeFromData, RealRange realRange, ref MatrixCanvasViewModel viewModel)
{
// This is a jagged array
// First get the length of the longest row
List <int> rowLengths = new List <int>();
viewModel.RowSums = new double[dataArray.Length];
for (int i = 0; i < dataArray.Length; i++)
{
Array row = dataArray.GetValue(i) as Array;
if ((row == null) || (row.Rank == 0) || (row.Length == 0))
{
rowLengths.Add(0);
continue;
}
if (row.Rank > 1)
{
// Deeper than two dimensions - return without creating data object
viewModel.DataType = TypeCode.Empty;
break;
}
rowLengths.Add(row.Length);
for (int j = 0; j < row.Length; j++)
{
var val = row.GetValue(j);
if (viewModel.DataType == TypeCode.Empty && val != null)
{
viewModel.DataType = Type.GetTypeCode(val.GetType());
}
double dval = Convert.ToDouble(val);
viewModel.RowSums[i] += dval;
if (!getRangeFromData)
{
continue;
}
realRange.Expand(dval);
}
}
realRange.FixErrors();
viewModel.RowLengths = rowLengths.ToArray();
viewModel.DataRange = realRange;
viewModel.Rows = dataArray.Length;
viewModel.Cols = rowLengths.Max();
}
