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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 | // Class AliMUONResponseTrigger | |
21 | // ------------------------------- | |
22 | // Implementation | |
23 | // of RPC response | |
24 | //----------------------------------------------------------------------------- | |
25 | ||
26 | ||
27 | #include "AliMUONResponseTrigger.h" | |
28 | #include "AliMUON.h" | |
29 | #include "AliMUONDigit.h" | |
30 | #include "AliMUONGeometryTransformer.h" | |
31 | #include "AliMUONHit.h" | |
32 | #include "AliMUONConstants.h" | |
33 | #include "AliMUONTriggerEfficiencyCells.h" | |
34 | ||
35 | #include "AliMpPad.h" | |
36 | #include "AliMpCathodType.h" | |
37 | #include "AliMpPlaneType.h" | |
38 | #include "AliMpSegmentation.h" | |
39 | #include "AliMpVSegmentation.h" | |
40 | ||
41 | #include "AliRun.h" | |
42 | #include "AliLog.h" | |
43 | #include "TList.h" | |
44 | ||
45 | /// \cond CLASSIMP | |
46 | ClassImp(AliMUONResponseTrigger) | |
47 | /// \endcond | |
48 | ||
49 | namespace | |
50 | { | |
51 | AliMUON* muon() | |
52 | { | |
53 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
54 | } | |
55 | ||
56 | void Global2Local(Int_t detElemId, Double_t xg, Double_t yg, Double_t zg, | |
57 | Double_t& xl, Double_t& yl, Double_t& zl) | |
58 | { | |
59 | // ideally should be : | |
60 | // Double_t x,y,z; | |
61 | // AliMUONGeometry::Global2Local(detElemId,xg,yg,zg,x,y,z); | |
62 | // but while waiting for this geometry singleton, let's go through | |
63 | // AliMUON still. | |
64 | ||
65 | const AliMUONGeometryTransformer* transformer = muon()->GetGeometryTransformer(); | |
66 | transformer->Global2Local(detElemId,xg,yg,zg,xl,yl,zl); | |
67 | } | |
68 | } | |
69 | ||
70 | //------------------------------------------------------------------ | |
71 | AliMUONResponseTrigger::AliMUONResponseTrigger() | |
72 | : AliMUONResponse(), | |
73 | fTriggerEfficiency(0x0) | |
74 | { | |
75 | /// Default constructor | |
76 | } | |
77 | ||
78 | //------------------------------------------------------------------ | |
79 | AliMUONResponseTrigger::~AliMUONResponseTrigger() | |
80 | { | |
81 | /// Destructor | |
82 | } | |
83 | ||
84 | //_____________________________________________________________________________ | |
85 | void | |
86 | AliMUONResponseTrigger::DisIntegrate(const AliMUONHit& hit, TList& digits) | |
87 | { | |
88 | /// Generate 2 digits (one on each cathode) from 1 hit, i.e. no cluster-size | |
89 | /// generation (simplest response case). | |
90 | ||
91 | digits.Clear(); | |
92 | ||
93 | Float_t xhit = hit.X(); | |
94 | Float_t yhit = hit.Y(); | |
95 | Float_t zhit = 0; // FIXME : should it be hit.Z() ? | |
96 | Int_t detElemId = hit.DetElemId(); | |
97 | ||
98 | Double_t x,y,z; | |
99 | Global2Local(detElemId,xhit,yhit,zhit,x,y,z); | |
100 | ||
101 | Float_t tof = hit.Age(); | |
102 | Int_t twentyNano(100); | |
103 | if (tof<AliMUONConstants::TriggerTofLimit()) | |
104 | { | |
105 | twentyNano=1; | |
106 | } | |
107 | ||
108 | Bool_t isTrig[2]={kTRUE,kTRUE}; | |
109 | ||
110 | for ( Int_t cath = AliMp::kCath0; cath <= AliMp::kCath1; ++cath ) | |
111 | { | |
112 | const AliMpVSegmentation* seg | |
113 | = AliMpSegmentation::Instance() | |
114 | ->GetMpSegmentation(detElemId,AliMp::GetCathodType(cath)); | |
115 | ||
116 | AliMpPad pad = seg->PadByPosition(TVector2(x,y),kFALSE); | |
117 | Int_t ix = pad.GetIx(); | |
118 | Int_t iy = pad.GetIy(); | |
119 | ||
120 | AliDebug(1,Form("xhit,yhit=%e,%e lx,ly,lz=%e,%e,%e ix,iy=%d,%d", | |
121 | xhit,yhit,x,y,z,ix,iy)); | |
122 | ||
123 | if ( !pad.IsValid() ) | |
124 | { | |
125 | AliWarning(Form("hit w/o strip %d-%d xhit,yhit=%e,%e local x,y,z " | |
126 | "%e,%e,%e ix,iy=%d,%d",detElemId, | |
127 | cath, | |
128 | xhit,yhit,x,y,z,ix,iy)); | |
129 | continue; | |
130 | } | |
131 | AliMUONDigit* d = new AliMUONDigit(detElemId,pad.GetLocalBoardId(0), | |
132 | pad.GetLocalBoardChannel(0),cath); | |
133 | d->SetPadXY(ix,iy); | |
134 | ||
135 | //FIXME : a trigger digit can have several locations. | |
136 | //this is not currently supported by the digit class. Change that or not ? | |
137 | d->SetCharge(twentyNano); | |
138 | ||
139 | if(fTriggerEfficiency){ | |
140 | if(cath==0){ | |
141 | Int_t nboard = pad.GetLocalBoardId(0); | |
142 | fTriggerEfficiency->IsTriggered(detElemId, nboard, | |
143 | isTrig[0], isTrig[1]); | |
144 | } | |
145 | if(!isTrig[cath]) continue; | |
146 | } | |
147 | ||
148 | digits.Add(d); | |
149 | } | |
150 | ||
151 | } | |
152 | ||
153 | ||
154 | //_____________________________________________________________________________ | |
155 | void | |
156 | AliMUONResponseTrigger::InitTriggerEfficiency(AliMUONTriggerEfficiencyCells *triggerEfficiency) | |
157 | { | |
158 | /// Initialize trigger chamber efficiency (on demand) | |
159 | ||
160 | fTriggerEfficiency = triggerEfficiency; | |
161 | if ( fTriggerEfficiency ) | |
162 | { | |
163 | AliDebug(1, "Will apply trigger efficiency"); | |
164 | } | |
165 | else | |
166 | { | |
167 | AliFatal("I was requested to apply trigger efficiency, but I could " | |
168 | "not get it !"); | |
169 | } | |
170 | } |