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