{ this.pixelsObj = pixMetaSrv.retrievePixDescription(pixelsId);
try {  this.pixelsObj = pixMetaSrv.retrievePixDescription(pixelsId);
    public void lookupPixels(long pixelsId)    {        rwl.writeLock().lock();        {            this.pixelsObj = pixMetaSrv.retrievePixDescription(pixelsId);            this.renderer = null;        }        rwl.writeLock().unlock();    }