setOutputEndBox(y);
	private void setUpperLimit(int y)	{		setOutputEndBox(y);		view.getPSPanel().updateOutputEnd(y);		int e = control.getCodomainEnd();		int s = control.getCodomainStart();		int yReal = convertGraphicsIntoReal(y-topBorder, s-e, e);		ctx.setUpperLimit(yReal);		control.updateCodomainMap(ctx);	}