#ifndef STNTUPLE_TStnSiStrip
#define STNTUPLE_TStnSiStrip
//-----------------------------------------------------------------------------
//
// This is an implementation of the CDF's SiStrip which packs things
// quite tightly and should allow basic interactive browsing of the
// raw silicon data.
//
// The persistant data members are all packed information and the
// streamer's job is to unpack these words into the public data members.
//
// This class is designed to be used in a TClonesArray with no splitting
//
//  Author:    Aaron Dominguez (CDF/LBNL)
//  Date:      Oct 18 2001
//-----------------------------------------------------------------------------
#include "TObject.h"
#include "TVector3.h"
#include "Stntuple/obj/TStnSiDigiCode.hh"

class TStnSiStrip: public TObject {

public:
//------------------------------------------------------------------------------
//  Public data members which are NOT streamed out.
//
//  Play a trick on root and do NOT put the "//!" marker on these data
//  members even though they aren't streamed out by my custom
//  streamer.  This will allow you to make plots of these variables
//  with a command like STNTUPLE->Draw("fSiStripList.fADC")
//  For this to work, you HAVE TO USE SPLIT LEVEL 1 FOR TSiStripBlock,
//  and you HAVE TO CALL fSiStripList->BypassStreamer(kFALSE).
//------------------------------------------------------------------------------
  // Packed in fPack_NumChgPed
  Int_t fStrip;             // Strip number
  Float_t fADC;             // Pedestal subtracted ADC value
  Float_t fPed;             // Pedestal

  // Packed in fPack_Noise
  Float_t fNoise;           // RMS of pedestal
  
  // Packed in fPack_DNoise
  Float_t fDNoise;          // RMS of difference between neighboring strips
  
  // Packed in fPack_Status
  Int_t fStatus;            // Status of strip (good, bad, ugly)

  // Packed in fPack_OBSP
  Int_t fOBSP[3];           // Up to three particles can contribute
			    // to a given strip
  
private:
//------------------------------------------------------------------------------
//  Private data members which ARE streamed out.
//  NOTE THAT THESE MUST BE IN BLOCKS OF THE SAME DATA TYPE FOR FAST STREAMING!!
//
//  Play a trick on root and stream these out with my custom streamer
//  but mark them as not streamed out with the "//!" marker.  This
//  means they won't show up as plottable and commands like 
//  STNTUPLE->Draw("fSiStripList.fPack_NumChgPed") won't work.
//------------------------------------------------------------------------------
  UInt_t fPack_NumChgPed;   //! Strip num (0-895) bits 0-9
                            // Charge (-15 - 240.75 1/4 ADC count) bits 10-20
                            // Pedestal (-15 - 240.75 1/4 ADC count) bits 21-31

  UInt_t fPack_OBSP;        //! OBSP numbers of up to 3 mothers.
			    // 10 bits/OBSP number.  Max OBSP# of
			    // 1023, bit 30-31 have number of mothers
  
  UChar_t fPack_Noise;       //! RMS of pedestal (0-15 1/16 ADC count) 8 bits
  UChar_t fPack_DNoise;      //! RMS of diff b/w neighbors (0-15 1/16 ADC count) 8 bits

  UChar_t fPack_Status;      //! Status word from SiStrip.  0=Good, else=problems

public: 
  UShort_t fDigiCode;       //  Digicode of ladder segment for cross
			    //  checking TClonesArray

  bool fStreamGeometryInfo; //! If this is set, then geometry is streamed
			    //  in/out for the local and global position of
                            //  the strips.  Use the unused highest
                            //  bit of fDigiCode to flag this.

  TVector3 fGlobal;         // Global coords of strip
  Float_t fLocal;           // Local coords of strip
  
//------------------------------------------------------------------------------
//  functions
//------------------------------------------------------------------------------
  public: 
					// ****** constructors and destructor
  TStnSiStrip();
  virtual ~TStnSiStrip();

  void Unpack();            // Convert packed steamed data into public data  
  void Pack();              // Convert public data into streamed data

  void Print(Option_t* option = "") const;

  ClassDef(TStnSiStrip,2)
};

#endif