-/*
-$Log$
-Revision 1.52 2002/02/18 09:26:09 kowal2
-Removed compiler warning
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-Revision 1.51 2002/01/21 17:13:21 kowal2
-New track hits using root containers. Setting active sectors added.
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-Revision 1.50 2001/12/06 14:16:19 kowal2
-meaningfull printouts
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-Revision 1.49 2001/11/30 11:55:37 hristov
-Noise table created in Hits2SDigits (M.Ivanov)
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-Revision 1.48 2001/11/24 16:10:21 kowal2
-Faster algorithms.
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-Revision 1.47 2001/11/19 10:25:34 kowal2
-Nearest integer instead of integer when converting to ADC counts
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-Revision 1.46 2001/11/07 06:47:12 kowal2
-Removed printouts
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-Revision 1.45 2001/11/03 13:33:48 kowal2
-Updated algorithms in Hits2SDigits, SDigits2Digits,
-Hits2ExactClusters.
-Added method Merge
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-Revision 1.44 2001/08/30 09:28:48 hristov
-TTree names are explicitly set via SetName(name) and then Write() is called
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-Revision 1.43 2001/07/28 12:02:54 hristov
-Branch split level set to 99
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-Revision 1.42 2001/07/28 11:38:52 hristov
-Loop variable declared once
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-Revision 1.41 2001/07/28 10:53:50 hristov
-Digitisation done according to the general scheme (M.Ivanov)
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-Revision 1.40 2001/07/27 13:03:14 hristov
-Default Branch split level set to 99
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-Revision 1.39 2001/07/26 09:09:34 kowal2
-Hits2Reco method added
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-Revision 1.38 2001/07/20 14:32:43 kowal2
-Processing of many events possible now
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-Revision 1.37 2001/06/12 07:17:18 kowal2
-Hits2SDigits method implemented (summable digits)
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-Revision 1.36 2001/05/16 14:57:25 alibrary
-New files for folders and Stack
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-Revision 1.35 2001/05/08 16:02:22 kowal2
-Updated material specifications
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-Revision 1.34 2001/05/08 15:00:15 hristov
-Corrections for tracking in arbitrary magnenetic field. Changes towards a concept of global Alice track. Back propagation of reconstructed tracks (Yu.Belikov)
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-Revision 1.33 2001/04/03 12:40:43 kowal2
-Removed printouts
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-Revision 1.32 2001/03/12 17:47:36 hristov
-Changes needed on Sun with CC 5.0
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-Revision 1.31 2001/03/12 08:21:50 kowal2
-Corrected C++ bug in the material definitions
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-Revision 1.30 2001/03/01 17:34:47 kowal2
-Correction due to the accuracy problem
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-Revision 1.29 2001/02/28 16:34:40 kowal2
-Protection against nonphysical values of the avalanche size,
-10**6 is the maximum
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-Revision 1.28 2001/01/26 19:57:19 hristov
-Major upgrade of AliRoot code
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-Revision 1.27 2001/01/13 17:29:33 kowal2
-Sun compiler correction
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-Revision 1.26 2001/01/10 07:59:43 kowal2
-Corrections to load points from the noncompressed hits.
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-Revision 1.25 2000/11/02 07:25:31 kowal2
-Changes due to the new hit structure.
-Memory leak removed.
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-Revision 1.24 2000/10/05 16:06:09 kowal2
-Forward declarations. Changes due to a new class AliComplexCluster.
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-Revision 1.23 2000/10/02 21:28:18 fca
-Removal of useless dependecies via forward declarations
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-Revision 1.22 2000/07/10 20:57:39 hristov
-Update of TPC code and macros by M.Kowalski
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-Revision 1.19.2.4 2000/06/26 07:39:42 kowal2
-Changes to obey the coding rules
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-Revision 1.19.2.3 2000/06/25 08:38:41 kowal2
-Splitted from AliTPCtracking
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-Revision 1.19.2.2 2000/06/16 12:59:28 kowal2
-Changed parameter settings
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-Revision 1.19.2.1 2000/06/09 07:15:07 kowal2
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-Defaults loaded automatically (hard-wired)
-Optional parameters can be set via macro called in the constructor
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-Revision 1.19 2000/04/18 19:00:59 fca
-Small bug fixes to TPC files
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-Revision 1.18 2000/04/17 09:37:33 kowal2
-removed obsolete AliTPCDigitsDisplay.C
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-Revision 1.17.2.2 2000/04/10 08:15:12 kowal2
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-New, experimental data structure from M. Ivanov
-New tracking algorithm
-Different pad geometry for different sectors
-Digitization rewritten
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-Revision 1.17.2.1 2000/04/10 07:56:53 kowal2
-Not used anymore - removed
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-Revision 1.17 2000/01/19 17:17:30 fca
-Introducing a list of lists of hits -- more hits allowed for detector now
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-Revision 1.16 1999/11/05 09:29:23 fca
-Accept only signals > 0
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-Revision 1.15 1999/10/08 06:26:53 fca
-Removed ClustersIndex - not used anymore
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-Revision 1.14 1999/09/29 09:24:33 fca
-Introduction of the Copyright and cvs Log
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-*/