/// <summary>
/// Writes a sequence of spectral values to the service in the specified order.
/// </summary>
/// <param name="rowIndex">The starting row index.</param>
/// <param name="columnIndex">The starting column index.</param>
/// <param name="bandIndex">The starting band index.</param>
/// <param name="spectralValues">The spectral values.</param>
/// <param name="writeOrder">The writing order.</param>
/// <exception cref="System.NotSupportedException">The service is not writable.</exception>
void IRasterService.WriteFloatValueSequence(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex, Double[] spectralValues, RasterDataOrder writeOrder)
{
throw new NotSupportedException("The service is not writable.");
}
/// <summary>
/// Reads a sequence of spectral values from the service.
/// </summary>
/// <param name="rowIndex">The zero-based row index of the first value.</param>
/// <param name="columnIndex">The zero-based column index of the first value.</param>
/// <param name="bandIndex">The zero-based band index of the first value.</param>
/// <param name="numberOfValues">The number of values.</param>
/// <param name="readOrder">The reading order.</param>
/// <returns>The array containing the sequence of values in the specified order.</returns>
/// <exception cref="System.NotSupportedException">The specified reading order is not supported.</exception>
public Double[] ReadFloatValueSequence(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex, Int32 numberOfValues, RasterDataOrder readOrder)
{
if (readOrder != DataOrder)
{
throw new NotSupportedException("The specified reading order is not supported.");
}
return(_rawImageReader.ReadValueSequence(rowIndex, columnIndex, bandIndex, numberOfValues).Cast <Double>().ToArray());
}
/// <summary>
/// Writes the specified spectral values to the service in the specified order.
/// </summary>
/// <param name="rowIndex">The row index.</param>
/// <param name="columnIndex">The column index.</param>
/// <param name="spectralValues">The spectral values.</param>
/// <param name="writeOrder">The writing order.</param>
/// <exception cref="System.NotSupportedException">The service is not writable.</exception>
void IRasterService.WriteValueSequence(Int32 startIndex, UInt32[] spectralValues, RasterDataOrder writeOrder)
{
throw new NotSupportedException("The service is not writable.");
}
/// <summary>
/// Reads a sequence of spectral values from the service.
/// </summary>
/// <param name="startIndex">The zero-based absolute starting index.</param>
/// <param name="numberOfValues">The number of values to be read.</param>
/// <param name="readOrder">The reading order.</param>
/// <returns>The array containing the sequence of values in the specified order.</returns>
/// <exception cref="System.NotSupportedException">The specified reading order is not supported.</exception>
public UInt32[] ReadValueSequence(Int32 startIndex, Int32 numberOfValues, RasterDataOrder readOrder)
{
if (readOrder != DataOrder)
{
throw new NotSupportedException("The specified reading order is not supported.");
}
return(_rawImageReader.ReadValueSequence(startIndex, numberOfValues));
}
/// <summary>
/// Writes the specified spectral values to the service in the specified order.
/// </summary>
/// <param name="rowIndex">The row index.</param>
/// <param name="columnIndex">The column index.</param>
/// <param name="spectralValues">The spectral values.</param>
/// <param name="writeOrder">The writing order.</param>
/// <exception cref="System.NotSupportedException">The service does not support writing.</exception>
void IRasterService.WriteFloatValueSequence(Int32 startIndex, Double[] spectralValues, RasterDataOrder writeOrder)
{
throw new NotSupportedException("The service does not support writing.");
}
/// <summary>
/// Writes a sequence of spectral values to the service in the specified order.
/// </summary>
/// <param name="rowIndex">The starting row index.</param>
/// <param name="columnIndex">The starting column index.</param>
/// <param name="bandIndex">The starting band index.</param>
/// <param name="spectralValues">The spectral values.</param>
/// <param name="writeOrder">The writing order.</param>
/// <exception cref="System.NotSupportedException">The service does not support writing.</exception>
void IRasterService.WriteValueSequence(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex, UInt32[] spectralValues, RasterDataOrder writeOrder)
{
throw new NotSupportedException("The service does not support writing.");
}
/// <summary>
/// Reads a sequence of spectral values from the service.
/// </summary>
/// <param name="rowIndex">The zero-based row index of the first value.</param>
/// <param name="columnIndex">The zero-based column index of the first value.</param>
/// <param name="bandIndex">The zero-based band index of the first value.</param>
/// <param name="numberOfValues">The number of values.</param>
/// <returns>The array containing the sequence of values in the default order of the service.</returns>
public Double[] ReadFloatValueSequence(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex, Int32 numberOfValues, RasterDataOrder readOrder)
{
// there may be not enough values, or the number may be greater than the maximum allowed
Double[] values = new Double[Calculator.Min(MaximumNumberOfValues, numberOfValues, (Dimensions.NumberOfRows - rowIndex) * Dimensions.NumberOfColumns * Dimensions.NumberOfBands + (Dimensions.NumberOfColumns - columnIndex) * Dimensions.NumberOfBands + Dimensions.NumberOfBands - bandIndex)];
Int32 currentIndex = 0;
while (currentIndex < values.Length)
{
// read the specified pixel
Double[] currentValues = _operation.ComputeFloat(rowIndex, columnIndex);
Array.Copy(currentValues, bandIndex, values, currentIndex, Math.Min(currentValues.Length - bandIndex, values.Length - currentIndex));
// change indices for the next pixel
bandIndex = 0;
columnIndex++;
if (columnIndex == Dimensions.NumberOfColumns)
{
columnIndex = 0; rowIndex++;
}
currentIndex += currentValues.Length - bandIndex;
}
return(values);
}
/// <summary>
/// Reads a sequence of spectral values from the service.
/// </summary>
/// <param name="startIndex">The zero-based absolute starting index.</param>
/// <param name="numberOfValues">The number of values to be read.</param>
/// <param name="readOrder">The reading order.</param>
/// <returns>The array containing the sequence of values in the specified order.</returns>
public Double[] ReadFloatValueSequence(Int32 startIndex, Int32 numberOfValues, RasterDataOrder readOrder)
{
// compute the row/column/band indices from the start index
Int32 columnIndex = 0, rowIndex = 0, bandIndex = 0;
rowIndex = startIndex / (Dimensions.NumberOfColumns * Dimensions.NumberOfBands);
columnIndex = (startIndex - rowIndex * Dimensions.NumberOfColumns * Dimensions.NumberOfBands) / Dimensions.NumberOfBands;
bandIndex = startIndex - rowIndex * Dimensions.NumberOfColumns * Dimensions.NumberOfBands - columnIndex * Dimensions.NumberOfBands;
return(ReadFloatValueSequence(rowIndex, columnIndex, bandIndex, numberOfValues, readOrder));
}
