def serialize(self, h5g, destbegin = (0,0,0), destend = (0,0,0), srcbegin = (0,0,0), srcend = (0,0,0), destshape = (0,0,0) ):
        #for now save the labels and prediction in the old format
        #TODO: change that when we are certain about the new project file format
        vl = VolumeLabels(self.dataItemImage.overlayMgr["Classification/Labels"]._data)
        vl.descriptions = self.classificationModuleMgr.dataMgr.module["Classification"]["labelDescriptions"]
        vl.serialize(h5g, "labels", destbegin, destend, srcbegin, srcend, destshape)

        if len(vl.descriptions) > 0:
            prediction = numpy.zeros(self.dataItemImage.shape[0:-1] + (len(vl.descriptions),), 'float32')
            for d in vl.descriptions:
                if self.dataItemImage.overlayMgr["Classification/Prediction/" + d.name] is not None:
                    prediction[:,:,:,:,d.number-1] = self.dataItemImage.overlayMgr["Classification/Prediction/" + d.name][:,:,:,:,0]
            prediction = DataAccessor(prediction)
            prediction.serialize(h5g, 'prediction', destbegin, destend, srcbegin, srcend, destshape )