--- /dev/null
+#ifndef TRDsegmentArray_H
+#define TRDsegmentArray_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
+////////////////////////////////////////////////////////
+// Array for TRD detector segments containing digits //
+////////////////////////////////////////////////////////
+
+#include "AliTRDsegmentArrayBase.h"
+#include "AliTRDdataArray.h"
+
+//_____________________________________________________________________________
+class AliTRDsegmentArray : public AliTRDsegmentArrayBase {
+
+ public:
+
+ AliTRDsegmentArray();
+ AliTRDsegmentArray(Int_t n);
+ ~AliTRDsegmentArray() { };
+
+ virtual void Delete();
+
+ virtual Bool_t LoadArray(const Char_t *branchname);
+ virtual Bool_t StoreArray(const Char_t *branchname);
+
+ virtual AliTRDdataArray *GetDataArray(Int_t det);
+ virtual AliTRDdataArray *GetDataArray(Int_t sec, Int_t cha, Int_t pla);
+
+ protected:
+
+ ClassDef(AliTRDsegmentArray,1) // TRD detector segment array
+
+};
+
+#endif