class TTree;
class TBranch;
+class TFile;
class AliArrayI;
class AliSegmentID;
//input output functions
TTree * GetTree(){return fTree;} //return pointer to connected tree
- virtual void MakeTree(); //Make tree with the name
+ virtual void MakeTree(char *file=0); //Make tree with the name
virtual Bool_t ConnectTree(const char * treeName); //connect tree from current directory
virtual AliSegmentID * LoadSegment(Int_t index);//load segment with index to the memory
virtual AliSegmentID * LoadEntry(Int_t index); //load segment entry from position index in tree