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a9e2aefa | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
a9e2aefa | 17 | |
30178c30 | 18 | |
a9e2aefa | 19 | #include "AliMUONResponseTrigger.h" |
a9e2aefa | 20 | |
885d501b | 21 | #include "AliLog.h" |
22 | #include "AliMUON.h" | |
23 | #include "AliMUONDigit.h" | |
24 | #include "AliMUONGeometryTransformer.h" | |
25 | #include "AliMUONHit.h" | |
26 | #include "AliMUONSegmentation.h" | |
27 | #include "AliMpPad.h" | |
28 | #include "AliMpPlaneType.h" | |
29 | #include "AliMpVSegmentation.h" | |
30 | #include "AliRun.h" | |
31 | #include "TList.h" | |
32 | #include "AliMUONTriggerSegmentationV2.h" | |
33 | ||
a9e2aefa | 34 | ClassImp(AliMUONResponseTrigger) |
35 | ||
885d501b | 36 | namespace |
37 | { | |
885d501b | 38 | AliMUON* muon() |
39 | { | |
40 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
41 | } | |
42 | ||
43 | void Global2Local(Int_t detElemId, Double_t xg, Double_t yg, Double_t zg, | |
44 | Double_t& xl, Double_t& yl, Double_t& zl) | |
45 | { | |
46 | // ideally should be : | |
47 | // Double_t x,y,z; | |
48 | // AliMUONGeometry::Global2Local(detElemId,xg,yg,zg,x,y,z); | |
49 | // but while waiting for this geometry singleton, let's go through | |
50 | // AliMUON still. | |
51 | ||
52 | const AliMUONGeometryTransformer* transformer = muon()->GetGeometryTransformer(); | |
53 | transformer->Global2Local(detElemId,xg,yg,zg,xl,yl,zl); | |
54 | } | |
55 | ||
56 | AliMUONSegmentation* Segmentation() | |
57 | { | |
58 | static AliMUONSegmentation* segmentation = muon()->GetSegmentation(); | |
59 | return segmentation; | |
60 | } | |
61 | } | |
62 | ||
85fec35d | 63 | const Float_t |
64 | AliMUONResponseTrigger::fgkTofLimit = 75E-9; | |
65 | ||
30178c30 | 66 | //------------------------------------------------------------------ |
67 | AliMUONResponseTrigger::AliMUONResponseTrigger() | |
7e4a628d | 68 | : AliMUONResponse() |
30178c30 | 69 | { |
70 | // Default constructor | |
925e6570 | 71 | } |
30178c30 | 72 | |
a9e2aefa | 73 | //------------------------------------------------------------------ |
9aba451b | 74 | Int_t AliMUONResponseTrigger::DigitResponse(Int_t digit, |
85fec35d | 75 | AliMUONTransientDigit* /*where*/) const |
76 | { | |
a9e2aefa | 77 | // only digital (0/1) information available |
7871af75 | 78 | |
79 | if (digit) | |
80 | return kTRUE; | |
81 | else | |
82 | return digit; | |
83 | ||
a9e2aefa | 84 | } |
85 | ||
86 | ||
885d501b | 87 | //_____________________________________________________________________________ |
88 | void | |
89 | AliMUONResponseTrigger::DisIntegrate(const AliMUONHit& hit, TList& digits) | |
90 | { | |
91 | // | |
92 | // Generate 2 digits (one on each cathode) from 1 hit, i.e. no cluster-size | |
93 | // generation (simplest response case). | |
94 | // | |
95 | ||
96 | digits.Clear(); | |
97 | ||
98 | Float_t xhit = hit.X(); | |
99 | Float_t yhit = hit.Y(); | |
100 | Float_t zhit = 0; // FIXME : should it be hit.Z() ? | |
101 | Int_t detElemId = hit.DetElemId(); | |
102 | ||
103 | Double_t x,y,z; | |
104 | Global2Local(detElemId,xhit,yhit,zhit,x,y,z); | |
105 | ||
106 | Float_t tof = hit.Age(); | |
107 | Int_t twentyNano(100); | |
85fec35d | 108 | if (tof<fgkTofLimit) |
885d501b | 109 | { |
110 | twentyNano=1; | |
111 | } | |
112 | ||
113 | for ( Int_t cath = 0; cath < 2; ++cath ) | |
114 | { | |
115 | const AliMpVSegmentation* seg = Segmentation()->GetMpSegmentation(detElemId,cath); | |
116 | ||
117 | AliMpPad pad = seg->PadByPosition(TVector2(x,y),kFALSE); | |
118 | Int_t ix = pad.GetIndices().GetFirst(); | |
119 | Int_t iy = pad.GetIndices().GetSecond(); | |
120 | ||
121 | AliDebug(1,Form("xhit,yhit=%e,%e lx,ly,lz=%e,%e,%e ix,iy=%d,%d", | |
122 | xhit,yhit,x,y,z,ix,iy)); | |
123 | ||
124 | if ( !pad.IsValid() ) | |
125 | { | |
126 | AliWarning(Form("hit w/o strip %d-%d xhit,yhit=%e,%e local x,y,z " | |
127 | "%e,%e,%e ix,iy=%d,%d",detElemId, | |
128 | cath, | |
129 | xhit,yhit,x,y,z,ix,iy)); | |
130 | continue; | |
131 | } | |
132 | AliMUONDigit* d = new AliMUONDigit; | |
133 | d->SetDetElemId(detElemId); | |
0a04ebd2 | 134 | /* pc 09/02/06 no need for that anymore : trigger is in local numbering |
135 | ||
885d501b | 136 | //FIXME: >> the following code to get the ixGlo and iyGlo is a bad hack |
137 | // because trigger has not yet switched to local numbering of its indices ! | |
138 | // We should be able to use directly the (local) ix,iy from the pad ! | |
139 | const AliMUONTriggerSegmentationV2* old = | |
140 | dynamic_cast<const AliMUONTriggerSegmentationV2*> | |
141 | (Segmentation()->GetDESegmentation(detElemId,cath)); | |
142 | if ( !old ) | |
143 | { | |
144 | AliFatal("Got a wrong TriggerSegmentation object! Check that!"); | |
145 | } | |
146 | Int_t ixGlo; | |
147 | Int_t iyGlo; | |
148 | old->ILoc2IGlo(ix,iy,ixGlo,iyGlo); | |
149 | if ( xhit < 0 ) ixGlo = -ixGlo; | |
150 | // << end of bad hack. | |
151 | d->SetPadX(ixGlo); | |
152 | d->SetPadY(iyGlo); | |
0a04ebd2 | 153 | */ |
154 | d->SetPadX(ix); | |
155 | d->SetPadY(iy); | |
156 | ||
885d501b | 157 | d->SetSignal(twentyNano); |
158 | d->AddPhysicsSignal(d->Signal()); | |
159 | d->SetCathode(cath); | |
160 | digits.Add(d); | |
161 | // AliDebug(1,Form("Adding digit DE %d Cathode %d (%d,%d) signal %d", | |
162 | // detElemId,cath,ixGlo,iyGlo,twentyNano)); | |
163 | } | |
164 | ||
165 | // StdoutToAliDebug(1,digits.Print();); | |
166 | // AliDebug(1,Form("Number of digits for detelem %d track %d : %d", | |
167 | // hit.DetElemId(),hit.Track(),digits.GetSize())); | |
168 | // | |
169 | } | |
170 | ||
a9e2aefa | 171 | |
172 | ||
173 | ||
174 |