width = query.getWidth(); height = query.getHeight();
width = ((query.getWidth() + PART_W - 1) / PART_W) * PART_W; height = ((query.getHeight() + PART_H - 1) / PART_H) * PART_H;
	public void setQuery(GrayscaleImage query) {		super.setQuery(query);		width = query.getWidth();		height = query.getHeight();		cols = width / PART_W;		rows = height / PART_H;		measures = new FastGrayscaleMeasure[cols * rows];		for (int i = 0; i < measures.length; i++)			measures[i] = factory.createMeasure();	}