/// <summary>
/// Constructor.
/// </summary>
/// <param name="length">The dimensionality of the data points</param>
/// <param name="combo">How to combine two different dimensions</param>
/// <param name="modifier">Which modification to apply to the result</param>
public BinaryFeatureFactory(int length, BinaryCombination combo, OutputModifier modifier)
{
_length = length;
_modifier = modifier;
_combo = combo;
_possibleFeatureCount = length * (length - 1);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="boxRows">Rows in the box around a data point to sample points</param>
/// <param name="boxColumns">Rows in the box around a data point to sample points</param>
/// <param name="numChannels">Number of channels to sample from</param>
/// <param name="combo">Which binary combination to use</param>
/// <param name="mixChannels">Whether to mix one channel with another, or to choose both points from the same channel</param>
/// <param name="modifier">Modifier on the output of the feature</param>
public BinaryImageFeatureFactory(int boxRows, int boxColumns, int numChannels, BinaryCombination combo, bool mixChannels, OutputModifier modifier)
{
_boxRows = boxRows;
_boxColumns = boxColumns;
_numChannels = numChannels;
_mixChannels = mixChannels;
_modifier = modifier;
_combo = combo;
int numOperands = (2 * boxRows + 1) * (2 * boxColumns + 1);
int channelMultiplier = mixChannels ? numChannels * numChannels : numChannels;
_possibleFeatureCount = numOperands * numOperands * channelMultiplier;
}