-/*
-$Log$
-Revision 1.45 2003/02/11 16:54:07 hristov
-Updated AliTrackReference class (S.Radomski)
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-Revision 1.44 2003/01/28 14:38:18 cblume
-Add track length to track references
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-Revision 1.43 2002/11/21 22:38:47 alibrary
-Removing AliMC and AliMCProcess
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-Revision 1.42 2002/10/22 15:53:08 alibrary
-Introducing Riostream.h
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-Revision 1.41 2002/10/14 14:57:43 hristov
-Merging the VirtualMC branch to the main development branch (HEAD)
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-Revision 1.36.6.2 2002/07/24 10:09:30 alibrary
-Updating VirtualMC
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-Revision 1.40 2002/06/13 08:11:56 cblume
-Add the track references
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-Revision 1.39 2002/06/12 09:54:35 cblume
-Update of tracking code provided by Sergei
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-Revision 1.38 2002/03/28 14:59:07 cblume
-Coding conventions
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-Revision 1.37 2002/03/25 20:01:49 cblume
-Introduce parameter class
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-Revision 1.36 2002/02/11 14:25:27 cblume
-Geometry update, compressed hit structure
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-Revision 1.35 2001/11/14 12:08:44 cblume
-Remove unneccessary header files
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-Revision 1.34 2001/11/14 10:50:45 cblume
-Changes in digits IO. Add merging of summable digits
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-Revision 1.33 2001/11/06 17:19:41 cblume
-Add detailed geometry and simple simulator
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-Revision 1.32 2001/10/08 06:57:33 hristov
-Branches for TRD digits are created only during the digitisation
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-Revision 1.31 2001/08/30 09:30:30 hristov
-The split level of branches is set to 99
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-Revision 1.30 2001/05/28 17:07:58 hristov
-Last minute changes; ExB correction in AliTRDclusterizerV1; taking into account of material in G10 TEC frames and material between TEC planes (C.Blume,S.Sedykh)
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-Revision 1.29 2001/05/21 16:45:47 hristov
-Last minute changes (C.Blume)
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-Revision 1.28 2001/05/16 14:57:27 alibrary
-New files for folders and Stack
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-Revision 1.27 2001/05/08 07:05:02 hristov
-Loop variable declared once (HP, Sun)
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-Revision 1.26 2001/05/07 08:03:22 cblume
-Generate also hits in the amplification region
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-Revision 1.25 2001/03/13 09:30:35 cblume
-Update of digitization. Moved digit branch definition to AliTRD
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-Revision 1.24 2001/01/26 19:56:49 hristov
-Major upgrade of AliRoot code
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-Revision 1.23 2000/11/01 14:53:20 cblume
-Merge with TRD-develop
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-Revision 1.17.2.6 2000/10/15 23:29:08 cblume
-Introduced more detailed geometry for the display
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-Revision 1.17.2.5 2000/10/06 16:49:46 cblume
-Made Getters const
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-Revision 1.17.2.4 2000/10/04 16:34:57 cblume
-Replace include files by forward declarations
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-Revision 1.17.2.3 2000/09/22 14:45:17 cblume
-Included changes for the tracking
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-Revision 1.17.2.2 2000/09/18 13:25:13 cblume
-Included LoadPoints() method to display the TR photons
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-Revision 1.22 2000/10/02 21:28:19 fca
-Removal of useless dependecies via forward declarations
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-Revision 1.21 2000/06/09 11:10:07 cblume
-Compiler warnings and coding conventions, next round
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-Revision 1.20 2000/06/08 18:32:57 cblume
-Make code compliant to coding conventions
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-Revision 1.19 2000/06/07 16:25:37 cblume
-Try to remove compiler warnings on Sun and HP
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-Revision 1.18 2000/05/08 16:17:27 cblume
-Merge TRD-develop
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-Revision 1.21 2000/06/09 11:10:07 cblume
-Compiler warnings and coding conventions, next round
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-Revision 1.20 2000/06/08 18:32:57 cblume
-Make code compliant to coding conventions
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-Revision 1.19 2000/06/07 16:25:37 cblume
-Try to remove compiler warnings on Sun and HP
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-Revision 1.18 2000/05/08 16:17:27 cblume
-Merge TRD-develop
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-Revision 1.17.2.1 2000/05/08 14:28:59 cblume
-Introduced SetPHOShole() and SetRICHhole(). AliTRDrecPoint container is now a TObjArray
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-Revision 1.17 2000/02/28 19:10:26 cblume
-Include the new TRD classes
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-Revision 1.16.2.2 2000/02/28 17:53:24 cblume
-Introduce TRD geometry classes
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-Revision 1.16.2.1 2000/02/28 17:04:19 cblume
-Include functions and data members for AliTRDrecPoint
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-Revision 1.16 2000/01/19 17:17:35 fca
-Introducing a list of lists of hits -- more hits allowed for detector now
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-Revision 1.15 1999/11/02 17:04:25 fca
-Small syntax change for HP compiler
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-Revision 1.14 1999/11/02 16:57:02 fca
-Avoid non ansi warnings on HP compilers
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-Revision 1.13 1999/11/02 16:35:56 fca
-New version of TRD introduced
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-Revision 1.12 1999/11/01 20:41:51 fca
-Added protections against using the wrong version of FRAME
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-Revision 1.11 1999/09/29 09:24:34 fca
-Introduction of the Copyright and cvs Log
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-*/