fBins = new ClBinInfo_t[fNZBins * fNPhiBins];
fOccBins = new int[fNZBins * fNPhiBins];
fNClusters = fClusters->GetEntriesFast();
+ if(fNClusters == 0) return;
fSortedClInfo.reserve(fClusters->GetEntriesFast());
fVIDOffset = ((AliITSUClusterPix*)fClusters->UncheckedAt(0))->GetVolumeId();
//