public double[] getPixels(int x, int y, int w, int h, double[] dArray)
public int[] getPixels(int x, int y, int w, int h, int[] iArray)
  public double[] getPixels(int x, int y, int w, int h,			    double[] dArray)  {    return sampleModel.getPixels(x-sampleModelTranslateX,				 y-sampleModelTranslateY,				 w, h, dArray, dataBuffer);  }