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7dab88d3 | 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 | ||
803d1ab0 | 16 | /* $Id$ */ |
7dab88d3 | 17 | |
7d62fb64 | 18 | ////////////////////////////////////////////////////////////////// |
19 | // Class for fast reconstruction of recpoints // | |
20 | // // | |
21 | // // | |
22 | ////////////////////////////////////////////////////////////////// | |
23 | ||
7dab88d3 | 24 | #include <stdlib.h> |
7dab88d3 | 25 | #include <TTree.h> |
7dab88d3 | 26 | |
27 | #include <AliRun.h> | |
88cb7938 | 28 | #include <AliRunLoader.h> |
29 | #include <AliLoader.h> | |
7dab88d3 | 30 | #include <AliRunDigitizer.h> |
31 | ||
32 | #include "AliITSFDigitizer.h" | |
7dab88d3 | 33 | #include "AliITSgeom.h" |
34 | #include "AliITSsimulationFastPoints.h" | |
35 | ||
36 | ClassImp(AliITSFDigitizer) | |
37 | ||
38 | //______________________________________________________________________ | |
7537d03c | 39 | AliITSFDigitizer::AliITSFDigitizer() : AliDigitizer(), |
40 | fITS(0), | |
41 | fInit(kFALSE){ | |
7dab88d3 | 42 | // |
43 | // Default constructor. | |
44 | // | |
7dab88d3 | 45 | } |
46 | //______________________________________________________________________ | |
7537d03c | 47 | AliITSFDigitizer::AliITSFDigitizer(AliRunDigitizer *mngr) : AliDigitizer(mngr), |
48 | fITS(0), | |
49 | fInit(kFALSE){ | |
7dab88d3 | 50 | // |
51 | // Standard constructor. | |
52 | // | |
7dab88d3 | 53 | } |
7d62fb64 | 54 | //______________________________________________________________________ |
7537d03c | 55 | AliITSFDigitizer::AliITSFDigitizer(const AliITSFDigitizer &rec):AliDigitizer(rec), |
56 | fITS(rec.fITS), | |
57 | fInit(rec.fInit){ | |
7d62fb64 | 58 | // Copy constructor. |
7d62fb64 | 59 | |
60 | } | |
61 | //______________________________________________________________________ | |
62 | AliITSFDigitizer& AliITSFDigitizer::operator=(const AliITSFDigitizer& /*source*/){ | |
63 | ||
64 | // Assignment operator. This is a function which is not allowed to be | |
65 | // done. | |
66 | Error("operator=","Assignment operator not allowed\n"); | |
67 | return *this; | |
68 | } | |
69 | ||
7dab88d3 | 70 | //______________________________________________________________________ |
71 | AliITSFDigitizer::~AliITSFDigitizer(){ | |
72 | // | |
73 | // Default destructor. | |
74 | // | |
75 | fITS = 0; // don't delete fITS. Done else where. | |
76 | } | |
77 | //______________________________________________________________________ | |
78 | Bool_t AliITSFDigitizer::Init(){ | |
79 | // | |
80 | // Initialization. | |
81 | // loads ITS and ITSgeom. | |
82 | // Inputs: | |
83 | // none. | |
84 | // Outputs: | |
85 | // none. | |
86 | ||
87 | ||
88 | fInit = kFALSE; | |
89 | if(!gAlice) { | |
90 | fITS = 0; | |
91 | Warning("Init","gAlice not found"); | |
92 | return fInit; | |
93 | } | |
94 | fITS = (AliITS *)(gAlice->GetDetector("ITS")); | |
95 | if(!fITS){ | |
96 | Warning("Init","ITS not found"); | |
97 | return fInit; | |
98 | } | |
99 | if(!fITS->GetITSgeom()){ | |
100 | Warning("Init","ITS geometry not found"); | |
101 | return fInit; | |
102 | } | |
103 | return fInit = kTRUE; | |
104 | } | |
105 | //////////////////////////////////////////////////////////////////////// | |
106 | void AliITSFDigitizer::Exec(Option_t* opt){ | |
107 | // | |
108 | // Main digitization function. | |
109 | // Inputs: | |
110 | // Option_t * opt "deb" ... more verbose output | |
111 | // | |
112 | ||
ac74f489 | 113 | AliITSsimulationFastPoints *sim = new AliITSsimulationFastPoints(); |
114 | AliRunLoader* outrl = AliRunLoader::GetRunLoader( | |
115 | fManager->GetOutputFolderName()); | |
116 | if (outrl == 0x0){ | |
117 | Error("Exec","Can not find Run Loader in output folder."); | |
118 | return; | |
119 | } | |
120 | AliLoader* outgime = outrl->GetLoader("ITSLoader"); | |
121 | if (outgime == 0x0){ | |
122 | Error("Exec","Can not get TOF Loader from Output Run Loader."); | |
123 | return; | |
124 | } | |
8574bce2 | 125 | if(strstr(opt,"deb")){ |
ac74f489 | 126 | Info("Exec","sim=%p, outrl=%p, outgime=%p",sim,outrl,outgime); |
127 | } | |
128 | TTree* outputTreeR = outgime->TreeR(); | |
129 | if (outputTreeR == 0x0){ | |
130 | outgime->MakeTree("R"); | |
131 | outputTreeR = outgime->TreeR(); | |
132 | } | |
7d62fb64 | 133 | |
134 | TClonesArray* recPoints = new TClonesArray("AliITSRecPoint",1000); | |
135 | TBranch* branch = outputTreeR->GetBranch("ITSRecPointsF"); | |
136 | if(branch) branch->SetAddress(recPoints); | |
137 | else outputTreeR->Branch("ITSRecPointsF",&recPoints); | |
ac74f489 | 138 | Int_t nModules; |
139 | fITS->InitModules(-1,nModules); | |
7dab88d3 | 140 | |
141 | // load hits into modules | |
ac74f489 | 142 | for (Int_t iFile = 0; iFile < fManager->GetNinputs(); iFile++){ |
143 | AliRunLoader* rl = AliRunLoader::GetRunLoader( | |
144 | fManager->GetInputFolderName(iFile)); | |
145 | if (rl == 0x0){ | |
146 | Error("Exec","Can not find Run Loader in input %d folder.",iFile); | |
147 | return; | |
148 | } | |
7dab88d3 | 149 | |
ac74f489 | 150 | AliLoader* gime = rl->GetLoader("ITSLoader"); |
151 | if (gime == 0x0){ | |
152 | Error("Exec","Can not get TOF Loader from Input %d Run Loader.", | |
153 | iFile); | |
154 | return; | |
155 | } | |
88cb7938 | 156 | |
ac74f489 | 157 | gime->LoadHits(); |
158 | fITS->FillModules(gime->TreeH(),fManager->GetMask(iFile)); | |
159 | gime->UnloadHits(); | |
160 | } | |
7dab88d3 | 161 | |
162 | // transform hits to fast rec points | |
163 | ||
ac74f489 | 164 | AliITSgeom *geom = fITS->GetITSgeom(); |
165 | for(Int_t moduleIndex = 0; moduleIndex<geom->GetIndexMax(); moduleIndex++){ | |
7d62fb64 | 166 | sim->CreateFastRecPoints(moduleIndex,recPoints); |
ac74f489 | 167 | outputTreeR->Fill(); |
7d62fb64 | 168 | recPoints->Clear(); |
ac74f489 | 169 | } |
170 | outrl->WriteRecPoints("OVERWRITE"); | |
88cb7938 | 171 | // outputTreeR->AutoSave(); |
7dab88d3 | 172 | } |
173 | //////////////////////////////////////////////////////////////////////// |