pixelsID);
pixs.getPixelsDimensions().getId().longValue());
    PixelsDimensions getPixelsDimensions(long pixelsID)        throws DSOutOfServiceException, DSAccessException    {        try {            IQuery query = getIQueryService();            Pixels pixs = (Pixels) query.get(Pixels.class, pixelsID);            return (PixelsDimensions) query.get(PixelsDimensions.class,                                                pixelsID);        } catch (Exception e) {            handleException(e, "Cannot retrieve the dimension of "+                                "the pixels set.");        }        return null;    }