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4c039060 | 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 | **************************************************************************/ | |
d28dcc0d | 15 | ////////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 16 | // // |
d28dcc0d | 17 | // Forward Multiplicity Detector based on Silicon plates // |
fe4da5cc | 18 | // This class contains the base procedures for the Forward Multiplicity // |
19 | // detector // | |
d28dcc0d | 20 | // Detector consists of 6 Si volumes covered pseudorapidity interval // |
21 | // from 1.6 to 6.0. // | |
fe4da5cc | 22 | // // |
23 | //Begin_Html | |
24 | /* | |
d28dcc0d | 25 | <img src="gif/AliFMDClass.gif"> |
fe4da5cc | 26 | </pre> |
27 | <br clear=left> | |
28 | <font size=+2 color=red> | |
29 | <p>The responsible person for this module is | |
d28dcc0d | 30 | <a href="mailto:Alla.Maevskaia@cern.ch">Alla Maevskaia</a>. |
fe4da5cc | 31 | </font> |
32 | <pre> | |
33 | */ | |
34 | //End_Html | |
35 | // // | |
36 | // // | |
37 | /////////////////////////////////////////////////////////////////////////////// | |
38 | ||
39 | #include <TTUBE.h> | |
40 | #include <TNode.h> | |
94de3818 | 41 | #include <TGeometry.h> |
d28dcc0d | 42 | #include <TTree.h> |
fe4da5cc | 43 | #include "AliRun.h" |
d28dcc0d | 44 | #include "AliMC.h" |
fe4da5cc | 45 | #include "AliFMD.h" |
d28dcc0d | 46 | #include "AliFMDhit.h" |
47 | ||
fe4da5cc | 48 | ClassImp(AliFMD) |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliFMD::AliFMD(): AliDetector() | |
52 | { | |
53 | // | |
54 | // Default constructor for class AliFMD | |
55 | // | |
56 | fIshunt = 0; | |
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | AliFMD::AliFMD(const char *name, const char *title) | |
61 | : AliDetector(name,title) | |
62 | { | |
63 | // | |
64 | // Standard constructor for Forward Multiplicity Detector | |
65 | // | |
66 | ||
67 | // | |
68 | // Initialise Hit array | |
d28dcc0d | 69 | fHits = new TClonesArray("AliFMDhit", 1000); |
d1280e40 | 70 | gAlice->AddHitList(fHits); |
71 | ||
fe4da5cc | 72 | fIshunt = 0; |
d28dcc0d | 73 | fIdSens1 = 0; |
74 | ||
75 | SetMarkerColor(kRed); | |
fe4da5cc | 76 | } |
77 | ||
d28dcc0d | 78 | |
79 | AliFMD::~AliFMD() | |
80 | { | |
81 | delete fHits; | |
82 | } | |
fe4da5cc | 83 | //_____________________________________________________________________________ |
84 | void AliFMD::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
85 | { | |
86 | // | |
d28dcc0d | 87 | // Add a hit to the list |
fe4da5cc | 88 | // |
89 | TClonesArray &lhits = *fHits; | |
90 | new(lhits[fNhits++]) AliFMDhit(fIshunt,track,vol,hits); | |
91 | } | |
fe4da5cc | 92 | //_____________________________________________________________________________ |
93 | void AliFMD::BuildGeometry() | |
94 | { | |
95 | // | |
96 | // Build simple ROOT TNode geometry for event display | |
97 | // | |
d28dcc0d | 98 | TNode *node, *top; |
fe4da5cc | 99 | const int kColorFMD = 7; |
100 | // | |
d28dcc0d | 101 | top=gAlice->GetGeometry()->GetNode("alice"); |
fe4da5cc | 102 | |
103 | // FMD define the different volumes | |
d28dcc0d | 104 | new TRotMatrix("rot901","rot901", 90, 0, 90, 90, 180, 0); |
105 | ||
106 | new TTUBE("S_FMD0","FMD volume 0","void",4.73,17.7,1.5); | |
107 | top->cd(); | |
108 | node = new TNode("FMD0","FMD0","S_FMD0",0,0,64,""); | |
109 | node->SetLineColor(kColorFMD); | |
110 | fNodes->Add(node); | |
111 | ||
112 | new TTUBE("S_FMD1","FMD volume 1","void",23.4,36.,1.5); | |
113 | top->cd(); | |
114 | node = new TNode("FMD1","FMD1","S_FMD1",0,0,85,""); | |
115 | node->SetLineColor(kColorFMD); | |
116 | fNodes->Add(node); | |
fe4da5cc | 117 | |
d28dcc0d | 118 | new TTUBE("S_FMD2","FMD volume 2","void",4.73,17.7,1.5); |
119 | top->cd(); | |
120 | node = new TNode("FMD2","FMD2","S_FMD2",0,0,-64,""); | |
121 | node->SetLineColor(kColorFMD); | |
122 | fNodes->Add(node); | |
123 | ||
124 | new TTUBE("S_FMD3","FMD volume 3","void",23.4,36.,1.5); | |
125 | top->cd(); | |
126 | node = new TNode("FMD3","FMD3","S_FMD3",0,0,-85,""); | |
127 | node->SetLineColor(kColorFMD); | |
128 | fNodes->Add(node); | |
129 | ||
130 | new TTUBE("S_FMD4","FMD volume 4","void",5,15,0.015); | |
131 | top->cd(); | |
132 | node = new TNode("FMD4","FMD4","S_FMD4",0,0,-270,""); | |
133 | node->SetLineColor(kColorFMD); | |
134 | fNodes->Add(node); | |
fe4da5cc | 135 | |
fe4da5cc | 136 | |
d28dcc0d | 137 | new TTUBE("S_FMD5","FMD volume 5","void",5,14,0.015); |
138 | top->cd(); | |
139 | node = new TNode("FMD5","FMD5","S_FMD5",0,0,-630,""); | |
140 | node->SetLineColor(kColorFMD); | |
141 | fNodes->Add(node); | |
142 | ||
fe4da5cc | 143 | } |
144 | ||
145 | //_____________________________________________________________________________ | |
d28dcc0d | 146 | Int_t AliFMD::DistanceToPrimitive(Int_t px, Int_t py) |
fe4da5cc | 147 | { |
148 | // | |
149 | // Calculate the distance from the mouse to the FMD on the screen | |
150 | // Dummy routine | |
151 | // | |
152 | return 9999; | |
153 | } | |
154 | ||
155 | //_____________________________________________________________________________ | |
fe4da5cc | 156 | |
d28dcc0d | 157 | //------------------------------------------------------------------------- |
fe4da5cc | 158 | void AliFMD::Init() |
159 | { | |
160 | // | |
161 | // Initialis the FMD after it has been built | |
162 | Int_t i; | |
d28dcc0d | 163 | AliMC* pMC = AliMC::GetMC(); |
fe4da5cc | 164 | // |
165 | printf("\n"); | |
166 | for(i=0;i<35;i++) printf("*"); | |
167 | printf(" FMD_INIT "); | |
168 | for(i=0;i<35;i++) printf("*"); | |
169 | printf("\n"); | |
170 | // | |
171 | // Here the FMD initialisation code (if any!) | |
172 | for(i=0;i<80;i++) printf("*"); | |
173 | printf("\n"); | |
d28dcc0d | 174 | // |
175 | // | |
176 | fIdSens1=pMC->VolId("GFSI"); //Si sensetive volume | |
177 | ||
fe4da5cc | 178 | } |
d28dcc0d | 179 | //--------------------------------------------------------------------- |
180 | void AliFMD::MakeBranch(Option_t* option) | |
181 | { | |
182 | // Create Tree branches for the FMD. | |
183 | Int_t buffersize = 4000; | |
184 | char branchname[10]; | |
185 | sprintf(branchname,"%s",GetName()); | |
fe4da5cc | 186 | |
d28dcc0d | 187 | AliDetector::MakeBranch(option); |
188 | ||
189 | if (fDigits && gAlice->TreeD()) { | |
190 | gAlice->TreeD()->Branch(branchname,&fDigits, buffersize); | |
191 | printf("Making Branch %s for digits\n",branchname); | |
192 | } | |
193 | } | |
fe4da5cc | 194 | |
d28dcc0d | 195 | //--------------------------------------------------------------------- |
196 | ||
197 | void AliFMD::Eta2Radius(Float_t eta, Float_t zDisk, Float_t *radius) | |
fe4da5cc | 198 | { |
d28dcc0d | 199 | Float_t expEta=TMath::Exp(-eta); |
200 | Float_t theta=TMath::ATan(expEta); | |
201 | theta=2.*theta; | |
202 | Float_t rad=zDisk*(TMath::Tan(theta)); | |
203 | *radius=rad; | |
204 | ||
205 | printf(" eta %f radius %f\n", eta, rad); | |
fe4da5cc | 206 | } |
207 | ||
d28dcc0d | 208 | |
209 | ||
210 | ||
211 |