super(dataType, w, h, 1, w, new int[numBands]);
this(dataType, w, h, w, createBankArray(numBands), new int[numBands]);
  public BandedSampleModel(int dataType, int w, int h, int numBands)  {    super(dataType, w, h, 1, w, new int[numBands]);  }