Adding AliTPCTracklet to the repository (M.Mager)
[u/mrichter/AliRoot.git] / TPC / AliTPCClustersRow.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
5  * Contributors are mentioned in the code where appropriate.              *
6  *                                                                        *
7  * Permission to use, copy, modify and distribute this software and its   *
8  * documentation strictly for non-commercial purposes is hereby granted   *
9  * without fee, provided that the above copyright notice appears in all   *
10  * copies and that both the copyright notice and this permission notice   *
11  * appear in the supporting documentation. The authors make no claims     *
12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15  
16 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 //  Time Projection Chamber AliTPCClusterRow  objects
21 //  -   clusters for given segment of TPC                                //
22 //
23 //  Origin: Marian Ivanov , GSI Darmstadt
24 //                                                                           //
25 //                                                                          //
26 ///////////////////////////////////////////////////////////////////////////////
27 #include "AliTPCcluster.h"
28 #include <TClass.h>
29 #include "AliClusters.h"
30 #include "AliTPCClustersRow.h"
31 #include <TDirectory.h>
32 #include <TClonesArray.h>
33
34
35 const Int_t kDefSize = 1;  //defalut size
36
37
38 ClassImp(AliTPCClustersRow) 
39
40
41 //*****************************************************************************
42 //
43 //_____________________________________________________________________________
44 AliTPCClustersRow::AliTPCClustersRow() 
45 {  
46   //
47   //default constructor
48   fNclusters=0;
49 }
50
51 //_____________________________________________________________________________
52 TObject *AliTPCClustersRow::InsertCluster(const TObject *c) 
53 {    
54   //
55   // Add a simulated cluster copy to the list
56   //
57   if (fClass==0) {
58     Error("AliClusters", "class type not specified");
59     return 0;
60   }
61   if(!fClusters) fClusters=new TClonesArray(fClass->GetName(),1000);
62   TClonesArray &lclusters = *fClusters;
63   return new(lclusters[fNclusters++]) AliTPCcluster(*((AliTPCcluster*)c));
64 }
65 //__________________________________________________________________________
66
67
68 TObject *AliTPCClustersRow::Append(){
69  //create new object return pointer to this object
70  return fClusters->operator[](fClusters->GetEntriesFast());
71 }
72