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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 | // Class AliMUONResponseTrigger | |
20 | // ------------------------------- | |
21 | // Implementation | |
22 | // of RPC response | |
23 | ||
24 | ||
25 | #include "AliMUONResponseTrigger.h" | |
26 | #include "AliMUON.h" | |
27 | #include "AliMUONDigit.h" | |
28 | #include "AliMUONGeometryTransformer.h" | |
29 | #include "AliMUONHit.h" | |
30 | #include "AliMUONSegmentation.h" | |
31 | #include "AliMUONTriggerSegmentation.h" | |
32 | #include "AliMUONConstants.h" | |
33 | ||
34 | #include "AliMpPad.h" | |
35 | #include "AliMpCathodType.h" | |
36 | #include "AliMpPlaneType.h" | |
37 | #include "AliMpSegmentation.h" | |
38 | #include "AliMpVSegmentation.h" | |
39 | ||
40 | #include "AliRun.h" | |
41 | #include "AliLog.h" | |
42 | #include "TList.h" | |
43 | ||
44 | /// \cond CLASSIMP | |
45 | ClassImp(AliMUONResponseTrigger) | |
46 | /// \endcond | |
47 | ||
48 | namespace | |
49 | { | |
50 | AliMUON* muon() | |
51 | { | |
52 | return static_cast<AliMUON*>(gAlice->GetModule("MUON")); | |
53 | } | |
54 | ||
55 | void Global2Local(Int_t detElemId, Double_t xg, Double_t yg, Double_t zg, | |
56 | Double_t& xl, Double_t& yl, Double_t& zl) | |
57 | { | |
58 | // ideally should be : | |
59 | // Double_t x,y,z; | |
60 | // AliMUONGeometry::Global2Local(detElemId,xg,yg,zg,x,y,z); | |
61 | // but while waiting for this geometry singleton, let's go through | |
62 | // AliMUON still. | |
63 | ||
64 | const AliMUONGeometryTransformer* transformer = muon()->GetGeometryTransformer(); | |
65 | transformer->Global2Local(detElemId,xg,yg,zg,xl,yl,zl); | |
66 | } | |
67 | ||
68 | AliMUONSegmentation* Segmentation() | |
69 | { | |
70 | static AliMUONSegmentation* segmentation = muon()->GetSegmentation(); | |
71 | return segmentation; | |
72 | } | |
73 | } | |
74 | ||
75 | //------------------------------------------------------------------ | |
76 | AliMUONResponseTrigger::AliMUONResponseTrigger() | |
77 | : AliMUONResponse() | |
78 | { | |
79 | /// Default constructor | |
80 | } | |
81 | ||
82 | //------------------------------------------------------------------ | |
83 | AliMUONResponseTrigger::~AliMUONResponseTrigger() | |
84 | { | |
85 | /// Destructor | |
86 | } | |
87 | ||
88 | //_____________________________________________________________________________ | |
89 | void | |
90 | AliMUONResponseTrigger::DisIntegrate(const AliMUONHit& hit, TList& digits) | |
91 | { | |
92 | /// Generate 2 digits (one on each cathode) from 1 hit, i.e. no cluster-size | |
93 | /// generation (simplest response case). | |
94 | ||
95 | digits.Clear(); | |
96 | ||
97 | Float_t xhit = hit.X(); | |
98 | Float_t yhit = hit.Y(); | |
99 | Float_t zhit = 0; // FIXME : should it be hit.Z() ? | |
100 | Int_t detElemId = hit.DetElemId(); | |
101 | ||
102 | Double_t x,y,z; | |
103 | Global2Local(detElemId,xhit,yhit,zhit,x,y,z); | |
104 | ||
105 | Float_t tof = hit.Age(); | |
106 | Int_t twentyNano(100); | |
107 | if (tof<AliMUONConstants::TriggerTofLimit()) | |
108 | { | |
109 | twentyNano=1; | |
110 | } | |
111 | ||
112 | for ( Int_t cath = AliMp::kCath0; cath <= AliMp::kCath1; ++cath ) | |
113 | { | |
114 | const AliMpVSegmentation* seg | |
115 | = AliMpSegmentation::Instance() | |
116 | ->GetMpSegmentation(detElemId,AliMp::GetCathodType(cath)); | |
117 | ||
118 | AliMpPad pad = seg->PadByPosition(TVector2(x,y),kFALSE); | |
119 | Int_t ix = pad.GetIndices().GetFirst(); | |
120 | Int_t iy = pad.GetIndices().GetSecond(); | |
121 | ||
122 | AliDebug(1,Form("xhit,yhit=%e,%e lx,ly,lz=%e,%e,%e ix,iy=%d,%d", | |
123 | xhit,yhit,x,y,z,ix,iy)); | |
124 | ||
125 | if ( !pad.IsValid() ) | |
126 | { | |
127 | AliWarning(Form("hit w/o strip %d-%d xhit,yhit=%e,%e local x,y,z " | |
128 | "%e,%e,%e ix,iy=%d,%d",detElemId, | |
129 | cath, | |
130 | xhit,yhit,x,y,z,ix,iy)); | |
131 | continue; | |
132 | } | |
133 | AliMUONDigit* d = new AliMUONDigit; | |
134 | d->SetDetElemId(detElemId); | |
135 | /* pc 09/02/06 no need for that anymore : trigger is in local numbering | |
136 | ||
137 | //FIXME: >> the following code to get the ixGlo and iyGlo is a bad hack | |
138 | // because trigger has not yet switched to local numbering of its indices ! | |
139 | // We should be able to use directly the (local) ix,iy from the pad ! | |
140 | const AliMUONTriggerSegmentationV2* old = | |
141 | dynamic_cast<const AliMUONTriggerSegmentationV2*> | |
142 | (Segmentation()->GetDESegmentation(detElemId,cath)); | |
143 | if ( !old ) | |
144 | { | |
145 | AliFatal("Got a wrong TriggerSegmentation object! Check that!"); | |
146 | } | |
147 | Int_t ixGlo; | |
148 | Int_t iyGlo; | |
149 | old->ILoc2IGlo(ix,iy,ixGlo,iyGlo); | |
150 | if ( xhit < 0 ) ixGlo = -ixGlo; | |
151 | // << end of bad hack. | |
152 | d->SetPadX(ixGlo); | |
153 | d->SetPadY(iyGlo); | |
154 | */ | |
155 | d->SetPadX(ix); | |
156 | d->SetPadY(iy); | |
157 | ||
158 | d->SetSignal(twentyNano); | |
159 | d->AddPhysicsSignal(d->Signal()); | |
160 | d->SetCathode(cath); | |
161 | digits.Add(d); | |
162 | // AliDebug(1,Form("Adding digit DE %d Cathode %d (%d,%d) signal %d", | |
163 | // detElemId,cath,ixGlo,iyGlo,twentyNano)); | |
164 | } | |
165 | ||
166 | // StdoutToAliDebug(1,digits.Print();); | |
167 | // AliDebug(1,Form("Number of digits for detelem %d track %d : %d", | |
168 | // hit.DetElemId(),hit.Track(),digits.GetSize())); | |
169 | // | |
170 | } | |
171 | ||
172 | ||
173 | ||
174 | ||
175 |