AliITSresponse *fResponse; //! response
AliITSsegmentation *fSegmentation; //!segmentation
Int_t fNRawClusters; //! in case we split the cluster
AliITSresponse *fResponse; //! response
AliITSsegmentation *fSegmentation; //!segmentation
Int_t fNRawClusters; //! in case we split the cluster