/// <summary>
/// Creates a LASReaderH object that can be used to read LASHeaderH and LASPointH objects with.
/// </summary>
/// <remarks>The LASReaderH must not be created with a filename that is opened for read or write by any other API functions. </remarks>
/// <param name="filename">filename to open for read</param>
public LASReader(String filename)
{
hReader = CAPI.LASReader_Create(filename);
}