/// <summary>
/// Retrieves a subset using exclusively the features matching the specified values.
/// </summary>
/// <param name="indices">
/// An integer list of indices to copy into the new FeatureSet.
/// </param>
/// <returns>
/// A FeatureSet with the new items.
/// </returns>
public FeatureSet CopySubset(List<int> indices)
{
List<IFeature> f = new List<IFeature>();
foreach (int row in indices)
{
f.Add(GetFeature(row));
}
FeatureSet copy = new FeatureSet(f);
copy.Projection = Projection.Copy();
copy.InvalidateEnvelope(); // the new set will likely have a different envelope bounds
return copy;
}
