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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 | **************************************************************************/ | |
88cb7938 | 15 | |
16 | /* $Id$ */ | |
17 | ||
d28dcc0d | 18 | ////////////////////////////////////////////////////////////////////////////// |
37c55dc0 | 19 | // // |
d28dcc0d | 20 | // Forward Multiplicity Detector based on Silicon plates // |
fe4da5cc | 21 | // This class contains the base procedures for the Forward Multiplicity // |
22 | // detector // | |
d28dcc0d | 23 | // Detector consists of 6 Si volumes covered pseudorapidity interval // |
24 | // from 1.6 to 6.0. // | |
fe4da5cc | 25 | // // |
26 | //Begin_Html | |
27 | /* | |
d28dcc0d | 28 | <img src="gif/AliFMDClass.gif"> |
fe4da5cc | 29 | </pre> |
30 | <br clear=left> | |
31 | <font size=+2 color=red> | |
32 | <p>The responsible person for this module is | |
d28dcc0d | 33 | <a href="mailto:Alla.Maevskaia@cern.ch">Alla Maevskaia</a>. |
fe4da5cc | 34 | </font> |
35 | <pre> | |
36 | */ | |
37 | //End_Html | |
38 | // // | |
39 | // // | |
40 | /////////////////////////////////////////////////////////////////////////////// | |
41 | ||
b9a2d5e4 | 42 | #define DEBUG |
88cb7938 | 43 | |
44 | #include <Riostream.h> | |
45 | #include <stdlib.h> | |
46 | ||
47 | #include <TClonesArray.h> | |
48 | #include <TFile.h> | |
94de3818 | 49 | #include <TGeometry.h> |
88cb7938 | 50 | #include <TLorentzVector.h> |
51 | #include <TMath.h> | |
52 | #include <TNode.h> | |
b9a2d5e4 | 53 | #include <TTUBE.h> |
d28dcc0d | 54 | #include <TTree.h> |
88cb7938 | 55 | #include <TVirtualMC.h> |
b9a2d5e4 | 56 | |
dc8af42e | 57 | #include "AliDetector.h" |
37c55dc0 | 58 | #include "AliFMDReconstParticles.h" |
88cb7938 | 59 | #include "AliFMDReconstruction.h" |
60 | #include "AliFMDdigit.h" | |
61 | #include "AliFMDhit.h" | |
62 | #include "AliFMDv1.h" | |
63 | #include "AliLoader.h" | |
64 | #include "AliMagF.h" | |
65 | #include "AliRun.h" | |
b9a2d5e4 | 66 | |
dc8af42e | 67 | ClassImp (AliFMD) |
b9a2d5e4 | 68 | //_____________________________________________________________________________ |
dc8af42e | 69 | AliFMD::AliFMD ():AliDetector () |
fe4da5cc | 70 | { |
71 | // | |
72 | // Default constructor for class AliFMD | |
73 | // | |
dc8af42e | 74 | fIshunt = 0; |
75 | fHits = 0; | |
76 | fDigits = 0; | |
cccf369e | 77 | fReconParticles=0; |
fe4da5cc | 78 | } |
dc8af42e | 79 | |
fe4da5cc | 80 | //_____________________________________________________________________________ |
dc8af42e | 81 | AliFMD::AliFMD (const char *name, const char *title): |
82 | AliDetector (name, title) | |
fe4da5cc | 83 | { |
84 | // | |
85 | // Standard constructor for Forward Multiplicity Detector | |
86 | // | |
dc8af42e | 87 | |
fe4da5cc | 88 | // |
89 | // Initialise Hit array | |
dc8af42e | 90 | fHits = new TClonesArray ("AliFMDhit", 1000); |
b9a2d5e4 | 91 | // Digits for each Si disk |
dc8af42e | 92 | fDigits = new TClonesArray ("AliFMDdigit", 1000); |
37c55dc0 | 93 | fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); |
dc8af42e | 94 | gAlice->AddHitList (fHits); |
d1280e40 | 95 | |
dc8af42e | 96 | fIshunt = 0; |
97 | fIdSens1 = 0; | |
37c55dc0 | 98 | fIdSens2 = 0; |
99 | fIdSens3 = 0; | |
100 | fIdSens4 = 0; | |
101 | fIdSens5 = 0; | |
4110645f | 102 | // fMerger = 0; |
dc8af42e | 103 | SetMarkerColor (kRed); |
fe4da5cc | 104 | } |
d28dcc0d | 105 | |
dc8af42e | 106 | //----------------------------------------------------------------------------- |
107 | AliFMD::~AliFMD () | |
d28dcc0d | 108 | { |
dc8af42e | 109 | if (fHits) |
110 | { | |
111 | fHits->Delete (); | |
b9a2d5e4 | 112 | delete fHits; |
cae27883 | 113 | fHits = 0; |
dc8af42e | 114 | } |
115 | if (fDigits) | |
116 | { | |
117 | fDigits->Delete (); | |
cae27883 | 118 | delete fDigits; |
119 | fDigits = 0; | |
dc8af42e | 120 | } |
88cb7938 | 121 | if (fReconParticles) |
dc8af42e | 122 | { |
123 | fReconParticles->Delete (); | |
124 | delete fReconParticles; | |
125 | fReconParticles = 0; | |
126 | } | |
127 | ||
d28dcc0d | 128 | } |
dc8af42e | 129 | |
fe4da5cc | 130 | //_____________________________________________________________________________ |
dc8af42e | 131 | void AliFMD::AddHit (Int_t track, Int_t * vol, Float_t * hits) |
fe4da5cc | 132 | { |
133 | // | |
d28dcc0d | 134 | // Add a hit to the list |
fe4da5cc | 135 | // |
dc8af42e | 136 | TClonesArray & lhits = *fHits; |
137 | new (lhits[fNhits++]) AliFMDhit (fIshunt, track, vol, hits); | |
fe4da5cc | 138 | } |
dc8af42e | 139 | |
fe4da5cc | 140 | //_____________________________________________________________________________ |
dc8af42e | 141 | void AliFMD::AddDigit (Int_t * digits) |
b9a2d5e4 | 142 | { |
143 | // add a real digit - as coming from data | |
144 | ||
88cb7938 | 145 | if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); |
dc8af42e | 146 | TClonesArray & ldigits = *fDigits; |
147 | new (ldigits[fNdigits++]) AliFMDdigit (digits); | |
37c55dc0 | 148 | } |
88cb7938 | 149 | |
b9a2d5e4 | 150 | //_____________________________________________________________________________ |
dc8af42e | 151 | void AliFMD::BuildGeometry () |
fe4da5cc | 152 | { |
153 | // | |
154 | // Build simple ROOT TNode geometry for event display | |
155 | // | |
d28dcc0d | 156 | TNode *node, *top; |
37c55dc0 | 157 | const int kColorFMD = 5; |
fe4da5cc | 158 | // |
dc8af42e | 159 | top = gAlice->GetGeometry ()->GetNode ("alice"); |
fe4da5cc | 160 | |
161 | // FMD define the different volumes | |
dc8af42e | 162 | new TRotMatrix ("rot901", "rot901", 90, 0, 90, 90, 180, 0); |
163 | ||
4110645f | 164 | new TTUBE ("S_FMD0", "FMD volume 0", "void", 4.2, 17.2, 1.5); |
dc8af42e | 165 | top->cd (); |
37c55dc0 | 166 | node = new TNode ("FMD0", "FMD0", "S_FMD0", 0, 0, 62.8, ""); |
dc8af42e | 167 | node->SetLineColor (kColorFMD); |
168 | fNodes->Add (node); | |
169 | ||
4110645f | 170 | new TTUBE ("S_FMD1", "FMD volume 1", "void", 15.4, 28.4, 1.5); |
dc8af42e | 171 | top->cd (); |
4110645f | 172 | node = new TNode ("FMD1", "FMD1", "S_FMD1", 0, 0, 75.2, ""); |
dc8af42e | 173 | node->SetLineColor (kColorFMD); |
174 | fNodes->Add (node); | |
175 | ||
4110645f | 176 | new TTUBE ("S_FMD2", "FMD volume 2", "void", 4.2, 17.2, 1.5); |
dc8af42e | 177 | top->cd (); |
4110645f | 178 | node = new TNode ("FMD2", "FMD2", "S_FMD2", 0, 0, -83.2, ""); |
dc8af42e | 179 | node->SetLineColor (kColorFMD); |
180 | fNodes->Add (node); | |
181 | ||
4110645f | 182 | new TTUBE ("S_FMD3", "FMD volume 3", "void", 15.4, 28.4, 1.5); |
dc8af42e | 183 | top->cd (); |
4110645f | 184 | node = new TNode ("FMD3", "FMD3", "S_FMD3", 0, 0, -75.2, ""); |
dc8af42e | 185 | node->SetLineColor (kColorFMD); |
186 | fNodes->Add (node); | |
187 | ||
4110645f | 188 | new TTUBE ("S_FMD4", "FMD volume 4", "void", 4.2, 17.2, 1.5); |
dc8af42e | 189 | top->cd (); |
4110645f | 190 | node = new TNode ("FMD4", "FMD4", "S_FMD4", 0, 0, -340, ""); |
dc8af42e | 191 | node->SetLineColor (kColorFMD); |
192 | fNodes->Add (node); | |
fe4da5cc | 193 | } |
dc8af42e | 194 | |
fe4da5cc | 195 | //_____________________________________________________________________________ |
dc8af42e | 196 | Int_t AliFMD::DistanceToPrimitive (Int_t px, Int_t py) |
fe4da5cc | 197 | { |
198 | // | |
199 | // Calculate the distance from the mouse to the FMD on the screen | |
200 | // Dummy routine | |
201 | // | |
202 | return 9999; | |
203 | } | |
dc8af42e | 204 | |
b9a2d5e4 | 205 | //___________________________________________ |
dc8af42e | 206 | void AliFMD::ResetHits () |
b9a2d5e4 | 207 | { |
208 | // Reset number of clusters and the cluster array for this detector | |
dc8af42e | 209 | AliDetector::ResetHits (); |
b9a2d5e4 | 210 | } |
211 | ||
212 | //____________________________________________ | |
dc8af42e | 213 | void AliFMD::ResetDigits () |
b9a2d5e4 | 214 | { |
dc8af42e | 215 | // |
216 | // Reset number of digits and the digits array for this detector | |
37c55dc0 | 217 | AliDetector::ResetDigits (); |
dc8af42e | 218 | // |
b9a2d5e4 | 219 | } |
fe4da5cc | 220 | |
d28dcc0d | 221 | //------------------------------------------------------------------------- |
dc8af42e | 222 | void AliFMD::Init () |
fe4da5cc | 223 | { |
224 | // | |
225 | // Initialis the FMD after it has been built | |
226 | Int_t i; | |
227 | // | |
dc8af42e | 228 | if (fDebug) |
229 | { | |
230 | printf ("\n%s: ", ClassName ()); | |
231 | for (i = 0; i < 35; i++) | |
232 | printf ("*"); | |
233 | printf (" FMD_INIT "); | |
234 | for (i = 0; i < 35; i++) | |
235 | printf ("*"); | |
236 | printf ("\n%s: ", ClassName ()); | |
237 | // | |
238 | // Here the FMD initialisation code (if any!) | |
239 | for (i = 0; i < 80; i++) | |
240 | printf ("*"); | |
241 | printf ("\n"); | |
242 | } | |
b9a2d5e4 | 243 | // |
244 | // | |
5d02ea6f | 245 | fIdSens1 = gMC->VolId ("GRN1"); //Si sensetive volume |
246 | fIdSens2 = gMC->VolId ("GRN2"); //Si sensetive volume | |
247 | fIdSens3 = gMC->VolId ("GRN3"); //Si sensetive volume | |
248 | fIdSens4 = gMC->VolId ("GRN4"); //Si sensetive volume | |
cb1df35e | 249 | fIdSens5 = gMC->VolId ("GRN5"); //Si sensetive volume |
d28dcc0d | 250 | |
fe4da5cc | 251 | } |
d28dcc0d | 252 | //--------------------------------------------------------------------- |
88cb7938 | 253 | void AliFMD::MakeBranch (Option_t * option) |
d28dcc0d | 254 | { |
255 | // Create Tree branches for the FMD. | |
d28dcc0d | 256 | char branchname[10]; |
dc8af42e | 257 | const Int_t kBufferSize = 16000; |
258 | sprintf (branchname, "%s", GetName ()); | |
259 | ||
88cb7938 | 260 | const char *cH = strstr(option,"H"); |
dc8af42e | 261 | const char *cD = strstr(option,"D"); |
262 | const char *cR = strstr(option,"R"); | |
dc8af42e | 263 | |
88cb7938 | 264 | if (cH && (fHits == 0x0)) fHits = new TClonesArray ("AliFMDhit", 1000); |
b9a2d5e4 | 265 | |
88cb7938 | 266 | AliDetector::MakeBranch (option); |
267 | ||
268 | if (cD){ | |
269 | if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); | |
270 | MakeBranchInTree(fLoader->TreeD(), branchname,&fDigits, kBufferSize, 0); | |
dc8af42e | 271 | } |
88cb7938 | 272 | |
dc8af42e | 273 | if (cR){ |
88cb7938 | 274 | if (fReconParticles == 0x0) |
275 | fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); | |
276 | MakeBranchInTree(fLoader->TreeR(), branchname,&fReconParticles, kBufferSize, 0); | |
d28dcc0d | 277 | } |
dc8af42e | 278 | |
d28dcc0d | 279 | } |
dc8af42e | 280 | |
b9a2d5e4 | 281 | //_____________________________________________________________________________ |
dc8af42e | 282 | void AliFMD::SetTreeAddress () |
b9a2d5e4 | 283 | { |
284 | // Set branch address for the Hits and Digits Tree. | |
285 | char branchname[30]; | |
88cb7938 | 286 | |
287 | if (fLoader->TreeH() && (fHits == 0x0)) | |
288 | fHits = new TClonesArray ("AliFMDhit", 1000); | |
289 | ||
dc8af42e | 290 | AliDetector::SetTreeAddress (); |
b9a2d5e4 | 291 | |
292 | TBranch *branch; | |
88cb7938 | 293 | TTree *treeD = fLoader->TreeD(); |
b9a2d5e4 | 294 | |
dc8af42e | 295 | if (treeD) |
296 | { | |
88cb7938 | 297 | if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); |
298 | branch = treeD->GetBranch (branchname); | |
299 | if (branch) | |
300 | branch->SetAddress (&fDigits); | |
dc8af42e | 301 | } |
88cb7938 | 302 | |
303 | if (fLoader->TreeR() && fReconParticles) | |
dc8af42e | 304 | { |
88cb7938 | 305 | if (fReconParticles == 0x0) |
306 | fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); | |
307 | branch = fLoader->TreeR()->GetBranch("FMD"); | |
dc8af42e | 308 | if (branch) branch->SetAddress(&fReconParticles) ; |
37c55dc0 | 309 | } |
b9a2d5e4 | 310 | } |
311 | ||
37c55dc0 | 312 | //--------------------------------------------------------------------- |
c45743f9 | 313 | |
99a0f629 | 314 | void AliFMD::SetRingsSi1(Int_t ringsSi1) |
37c55dc0 | 315 | { |
88cb7938 | 316 | fRingsSi1=512; |
37c55dc0 | 317 | } |
99a0f629 | 318 | void AliFMD::SetSectorsSi1(Int_t sectorsSi1) |
37c55dc0 | 319 | { |
c45743f9 | 320 | fSectorsSi1=20; |
37c55dc0 | 321 | } |
99a0f629 | 322 | void AliFMD::SetRingsSi2(Int_t ringsSi2) |
37c55dc0 | 323 | { |
88cb7938 | 324 | fRingsSi2=256; |
37c55dc0 | 325 | } |
99a0f629 | 326 | void AliFMD::SetSectorsSi2(Int_t sectorsSi2) |
37c55dc0 | 327 | { |
c45743f9 | 328 | fSectorsSi2=40; |
37c55dc0 | 329 | } |
c45743f9 | 330 | |
b9a2d5e4 | 331 | |
332 | ||
dc8af42e | 333 | void |
334 | AliFMD::Eta2Radius (Float_t eta, Float_t zDisk, Float_t * radius) | |
fe4da5cc | 335 | { |
dc8af42e | 336 | Float_t expEta = TMath::Exp (-eta); |
337 | Float_t theta = TMath::ATan (expEta); | |
338 | theta = 2. * theta; | |
339 | Float_t rad = zDisk * (TMath::Tan (theta)); | |
340 | *radius = rad; | |
341 | ||
342 | if (fDebug) | |
343 | printf ("%s: eta %f radius %f\n", ClassName (), eta, rad); | |
fe4da5cc | 344 | } |
d28dcc0d | 345 | |
88cb7938 | 346 | //--------------------------------------------------------------------- |
347 | ||
dc8af42e | 348 | |
349 | void AliFMD::Digits2Reco() | |
350 | { | |
88cb7938 | 351 | AliFMDReconstruction * reconstruction = new AliFMDReconstruction(fLoader->GetRunLoader()); |
352 | cout<<" AliFMD::Digits2Reco >> "<<reconstruction<<endl; | |
37c55dc0 | 353 | reconstruction->Exec(""); |
dc8af42e | 354 | delete reconstruction; |
355 | } | |
4110645f | 356 | //----------------------------------------------------------------------- |
357 | ||
358 | void AliFMD::MakeBranchInTreeD(TTree *treeD, const char *file) | |
359 | { | |
360 | // | |
88cb7938 | 361 | // Create TreeD branches for the FMD |
4110645f | 362 | // |
4110645f | 363 | const Int_t kBufferSize = 4000; |
364 | char branchname[20]; | |
4110645f | 365 | sprintf(branchname,"%s",GetName()); |
88cb7938 | 366 | if(treeD) |
367 | { | |
368 | MakeBranchInTree(treeD, branchname,&fDigits, kBufferSize, file); | |
369 | } | |
4110645f | 370 | } |
37c55dc0 | 371 |