/// <summary>
/// Reads the value from the array to a raster.
/// </summary>
/// <param name="stripBytes">The strip bytes.</param>
/// <param name="byteIndex">The zero-based byte index in the strip array.</param>
/// <param name="bitIndex">The zero-based bit index in the strip array.</param>
/// <param name="raster">The raster.</param>
/// <param name="rowIndex">The zero-based row index in the raster.</param>
/// <param name="columnIndex">The zero-based column index in the raster.</param>
/// <param name="bandIndex">The zero-based band index in the raster.</param>
private void ReadValue(Byte[] stripBytes, ref Int32 byteIndex, ref Int32 bitIndex, IRaster raster, Int32 rowIndex, Int32 columnIndex, Int32 bandIndex)
{
if (_radiometricResolution < 8 && 8 % _radiometricResolution == 0)
{
bitIndex -= _radiometricResolution;
raster.SetValue(rowIndex, columnIndex, bandIndex, Convert.ToByte(stripBytes[byteIndex] >> bitIndex));
if (bitIndex == 0)
{
bitIndex = 8;
byteIndex++;
}
}
else if (_radiometricResolution == 8)
{
raster.SetValue(rowIndex, columnIndex, bandIndex, Convert.ToByte(stripBytes[byteIndex]));
byteIndex++;
}
else if (_radiometricResolution == 16)
{
raster.SetValue(rowIndex, columnIndex, bandIndex, EndianBitConverter.ToUInt16(stripBytes, byteIndex, _byteOrder));
byteIndex += 2;
}
else if (_radiometricResolution == 32)
{
raster.SetValue(rowIndex, columnIndex, bandIndex, EndianBitConverter.ToUInt32(stripBytes, byteIndex, _byteOrder));
byteIndex += 4;
}
}
/// <summary>
/// Creates a raster image.
/// </summary>
/// <param name="other">The other raster image.</param>
/// <returns>The produced raster image matching <paramref name="other"/>.</returns>
/// <exception cref="System.ArgumentNullException">The other raster is null.</exception>
public IRaster CreateRaster(IRaster other)
{
if (other == null)
{
throw new ArgumentNullException("other", "The other raster is null.");
}
IRaster raster = CreateRaster(other.Format, other.NumberOfBands, other.NumberOfRows, other.NumberOfColumns, other.RadiometricResolution, other.Mapper);
switch (raster.Format)
{
case RasterFormat.Integer:
for (Int32 bandIndex = 0; bandIndex < raster.NumberOfBands; bandIndex++)
{
for (Int32 rowIndex = 0; rowIndex < raster.NumberOfRows; rowIndex++)
{
for (Int32 columnIndex = 0; columnIndex < raster.NumberOfColumns; columnIndex++)
{
raster.SetValue(rowIndex, columnIndex, bandIndex, raster.GetValue(rowIndex, columnIndex, bandIndex));
}
}
}
break;
case RasterFormat.Floating:
for (Int32 bandIndex = 0; bandIndex < raster.NumberOfBands; bandIndex++)
{
for (Int32 rowIndex = 0; rowIndex < raster.NumberOfRows; rowIndex++)
{
for (Int32 columnIndex = 0; columnIndex < raster.NumberOfColumns; columnIndex++)
{
raster.SetFloatValue(rowIndex, columnIndex, bandIndex, raster.GetFloatValue(rowIndex, columnIndex, bandIndex));
}
}
}
break;
}
return(raster);
}
/// <summary>
/// Sets the spectral value at a specified index.
/// </summary>
/// <param name="rowIndex">The zero-based row index of the value.</param>
/// <param name="columnIndex">The zero-based column index of the value.</param>
/// <param name="bandIndex">The zero-based band index of the value.</param>
/// <param name="spectralValue">The spectral value.</param>
protected override void ApplySetValue(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex, UInt32 spectralValue)
{
_source.SetValue(_rowIndex + rowIndex, _columnIndex + columnIndex, bandIndex, spectralValue);
}
/// <summary>
/// Sets a spectral value at a specified row and column index.
/// </summary>
/// <param name="rowIndex">The zero-based column index of the value.</param>
/// <param name="columnIndex">The zero-based row index of the value.</param>
/// <param name="value">The spectral value.</param>
/// <exception cref="System.NotSupportedException">The raster is not writable.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// The row index is less than 0.
/// or
/// The row index is equal to or greater than the number of rows.
/// or
/// The column index is less than 0.
/// or
/// the column index is equal to or greater than the number of columns.
/// </exception>
public void SetValue(Int32 rowIndex, Int32 columnIndex, UInt32 value)
{
_raster.SetValue(rowIndex, columnIndex, _bandIndex, value);
}
