1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 /// This class provides access to TPC digits in raw data.
22 /// It loops over all TPC digits in the raw data given by the AliRawReader.
23 /// The Next method goes to the next digit. If there are no digits left
24 /// it returns kFALSE.
25 /// Several getters provide information about the current digit.
27 ///////////////////////////////////////////////////////////////////////////////
31 #include "AliTPCRawStream.h"
32 #include "AliRawReader.h"
34 #include "AliTPCAltroMapping.h"
36 ClassImp(AliTPCRawStream)
38 //_____________________________________________________________________________
39 AliTPCRawStream::AliTPCRawStream(AliRawReader* rawReader) :
40 AliAltroRawStream(rawReader)
42 // create an object to read TPC raw digits
44 fRawReader->Select(0);
46 TString path = gSystem->Getenv("ALICE_ROOT");
47 path += "/TPC/mapping/Patch";
49 for(Int_t i = 0; i < 6; i++) {
53 fMapping[i] = new AliTPCAltroMapping(path2.Data());
56 fNoAltroMapping = kFALSE;
59 //_____________________________________________________________________________
60 AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) :
61 AliAltroRawStream(stream)
63 Fatal("AliTPCRawStream", "copy constructor not implemented");
66 //_____________________________________________________________________________
67 AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream&
70 Fatal("operator =", "assignment operator not implemented");
74 //_____________________________________________________________________________
75 AliTPCRawStream::~AliTPCRawStream()
79 for(Int_t i = 0; i < 6; i++) delete fMapping[i];
82 //_____________________________________________________________________________
83 void AliTPCRawStream::Reset()
85 // reset tpc raw stream params
86 AliAltroRawStream::Reset();
89 //_____________________________________________________________________________
90 void AliTPCRawStream::ApplyAltroMapping()
92 // Reads the DDL index, loads
93 // the corresponding altro mapping
94 // object and fills the sector,row and pad indeces
95 Int_t ddlNumber = fRawReader->GetDDLID();
98 fSector = ddlNumber / 2;
99 patchIndex = ddlNumber % 2;
102 fSector = (ddlNumber - 72) / 4 + 36;
103 patchIndex = (ddlNumber - 72) % 4 + 2;
106 fRow = fMapping[patchIndex]->GetPadRow(fHWAddress);
107 fPad = fMapping[patchIndex]->GetPad(fHWAddress);