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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 | // Base class for ALICE modules. Both sensitive modules (Modules) and // | |
21 | // non-sensitive ones are described by this base class. This class // | |
22 | // supports the hit and digit trees produced by the simulation and also // | |
23 | // the objects produced by the reconstruction. // | |
24 | // // | |
25 | // This class is also responsible for building the geometry of the // | |
26 | // Modules. // | |
27 | // // | |
28 | //Begin_Html | |
29 | /* | |
30 | <img src="picts/AliModuleClass.gif"> | |
31 | */ | |
32 | //End_Html | |
33 | // // | |
34 | /////////////////////////////////////////////////////////////////////////////// | |
35 | ||
36 | #include <TObjArray.h> | |
37 | #include <TClonesArray.h> | |
38 | #include <TTree.h> | |
39 | #include <TSystem.h> | |
40 | #include <TDirectory.h> | |
41 | #include <TVirtualMC.h> | |
42 | #include <TGeoManager.h> | |
43 | #include <TString.h> | |
44 | ||
45 | #include "AliLog.h" | |
46 | #include "AliConfig.h" | |
47 | #include "AliLoader.h" | |
48 | #include "AliMagF.h" | |
49 | #include "AliModule.h" | |
50 | #include "AliRun.h" | |
51 | #include "AliTrackReference.h" | |
52 | #include "AliMC.h" | |
53 | #include "AliSimulation.h" | |
54 | #include "AliRawDataHeader.h" | |
55 | ||
56 | #include "AliDAQ.h" | |
57 | ||
58 | ClassImp(AliModule) | |
59 | ||
60 | Float_t AliModule::fgDensityFactor = 1.0; | |
61 | ||
62 | //_______________________________________________________________________ | |
63 | AliModule::AliModule(): | |
64 | fIdtmed(0), | |
65 | fIdmate(0), | |
66 | fLoMedium(0), | |
67 | fHiMedium(0), | |
68 | fActive(0), | |
69 | fEnable(1), | |
70 | fMaxIterTrackRef(0), | |
71 | fCurrentIterTrackRef(0), | |
72 | fRunLoader(0) | |
73 | { | |
74 | // | |
75 | // Default constructor for the AliModule class | |
76 | // | |
77 | } | |
78 | ||
79 | //_______________________________________________________________________ | |
80 | AliModule::AliModule(const char* name,const char *title): | |
81 | TNamed(name,title), | |
82 | fIdtmed(new TArrayI(100)), | |
83 | fIdmate(new TArrayI(100)), | |
84 | fLoMedium(65536), | |
85 | fHiMedium(0), | |
86 | fActive(0), | |
87 | fEnable(1), | |
88 | fMaxIterTrackRef(0), | |
89 | fCurrentIterTrackRef(0), | |
90 | fRunLoader(0) | |
91 | { | |
92 | // | |
93 | // Normal constructor invoked by all Modules. | |
94 | // Create the list for Module specific histograms | |
95 | // Add this Module to the global list of Modules in Run. | |
96 | // | |
97 | // Get the Module numeric ID | |
98 | ||
99 | Int_t id = gAlice->GetModuleID(name); | |
100 | if (id>=0) { | |
101 | // Module already added ! | |
102 | AliWarning(Form("Module: %s already present at %d",name,id)); | |
103 | return; | |
104 | } | |
105 | // | |
106 | // Add this Module to the list of Modules | |
107 | ||
108 | gAlice->AddModule(this); | |
109 | ||
110 | //PH SetMarkerColor(3); | |
111 | // | |
112 | // Clear space for tracking media and material indexes | |
113 | ||
114 | for(Int_t i=0;i<100;i++) (*fIdmate)[i]=(*fIdtmed)[i]=0; | |
115 | } | |
116 | ||
117 | //_______________________________________________________________________ | |
118 | AliModule::~AliModule() | |
119 | { | |
120 | // | |
121 | // Destructor | |
122 | // | |
123 | ||
124 | // Remove this Module from the list of Modules | |
125 | if (gAlice) { | |
126 | TObjArray * modules = gAlice->Modules(); | |
127 | if (modules) modules->Remove(this); | |
128 | } | |
129 | ||
130 | // Delete TArray objects | |
131 | delete fIdtmed; | |
132 | delete fIdmate; | |
133 | ||
134 | } | |
135 | ||
136 | //_______________________________________________________________________ | |
137 | void AliModule::AliMaterial(Int_t imat, const char* name, Float_t a, | |
138 | Float_t z, Float_t dens, Float_t radl, | |
139 | Float_t absl, Float_t *buf, Int_t nwbuf) const | |
140 | { | |
141 | // | |
142 | // Store the parameters for a material | |
143 | // | |
144 | // imat the material index will be stored in (*fIdmate)[imat] | |
145 | // name material name | |
146 | // a atomic mass | |
147 | // z atomic number | |
148 | // dens density | |
149 | // radl radiation length | |
150 | // absl absorbtion length | |
151 | // buf adress of an array user words | |
152 | // nwbuf number of user words | |
153 | // | |
154 | Int_t kmat; | |
155 | //Build the string uniquename as "DET_materialname" | |
156 | TString uniquename = GetName(); | |
157 | uniquename.Append("_"); | |
158 | uniquename.Append(name); | |
159 | //if geometry loaded from file only fill fIdmate, else create material too | |
160 | if(AliSimulation::Instance()->IsGeometryFromFile()){ | |
161 | TGeoMaterial *mat = gGeoManager->GetMaterial(uniquename.Data()); | |
162 | kmat = mat->GetUniqueID(); | |
163 | (*fIdmate)[imat]=kmat; | |
164 | }else{ | |
165 | if (fgDensityFactor != 1.0) | |
166 | AliWarning(Form("Material density multiplied by %.2f!", fgDensityFactor)); | |
167 | gMC->Material(kmat, uniquename.Data(), a, z, dens * fgDensityFactor, radl, absl, buf, nwbuf); | |
168 | (*fIdmate)[imat]=kmat; | |
169 | } | |
170 | } | |
171 | ||
172 | //_______________________________________________________________________ | |
173 | void AliModule::AliGetMaterial(Int_t imat, char* name, Float_t &a, | |
174 | Float_t &z, Float_t &dens, Float_t &radl, | |
175 | Float_t &absl) const | |
176 | { | |
177 | // | |
178 | // Store the parameters for a material | |
179 | // | |
180 | // imat the material index will be stored in (*fIdmate)[imat] | |
181 | // name material name | |
182 | // a atomic mass | |
183 | // z atomic number | |
184 | // dens density | |
185 | // radl radiation length | |
186 | // absl absorbtion length | |
187 | // buf adress of an array user words | |
188 | // nwbuf number of user words | |
189 | // | |
190 | ||
191 | Float_t buf[10]; | |
192 | Int_t nwbuf, kmat; | |
193 | kmat=(*fIdmate)[imat]; | |
194 | gMC->Gfmate(kmat, name, a, z, dens, radl, absl, buf, nwbuf); | |
195 | } | |
196 | ||
197 | ||
198 | //_______________________________________________________________________ | |
199 | void AliModule::AliMixture(Int_t imat, const char *name, Float_t *a, | |
200 | Float_t *z, Float_t dens, Int_t nlmat, | |
201 | Float_t *wmat) const | |
202 | { | |
203 | // | |
204 | // Defines mixture or compound imat as composed by | |
205 | // nlmat materials defined by arrays a, z and wmat | |
206 | // | |
207 | // If nlmat > 0 wmat contains the proportion by | |
208 | // weights of each basic material in the mixture | |
209 | // | |
210 | // If nlmat < 0 wmat contains the number of atoms | |
211 | // of eack kind in the molecule of the compound | |
212 | // In this case, wmat is changed on output to the relative weigths. | |
213 | // | |
214 | // imat the material index will be stored in (*fIdmate)[imat] | |
215 | // name material name | |
216 | // a array of atomic masses | |
217 | // z array of atomic numbers | |
218 | // dens density | |
219 | // nlmat number of components | |
220 | // wmat array of concentrations | |
221 | // | |
222 | Int_t kmat; | |
223 | //Build the string uniquename as "DET_mixturename" | |
224 | TString uniquename = GetName(); | |
225 | uniquename.Append("_"); | |
226 | uniquename.Append(name); | |
227 | //if geometry loaded from file only fill fIdmate, else create mixture too | |
228 | if(AliSimulation::Instance()->IsGeometryFromFile()){ | |
229 | TGeoMaterial *mat = gGeoManager->GetMaterial(uniquename.Data()); | |
230 | kmat = mat->GetUniqueID(); | |
231 | (*fIdmate)[imat]=kmat; | |
232 | }else{ | |
233 | if (fgDensityFactor != 1.0) | |
234 | AliWarning(Form("Material density multiplied by %.2f!", fgDensityFactor)); | |
235 | gMC->Mixture(kmat, uniquename.Data(), a, z, dens * fgDensityFactor, nlmat, wmat); | |
236 | (*fIdmate)[imat]=kmat; | |
237 | } | |
238 | } | |
239 | ||
240 | //_______________________________________________________________________ | |
241 | void AliModule::AliMedium(Int_t numed, const char *name, Int_t nmat, | |
242 | Int_t isvol, Int_t ifield, Float_t fieldm, | |
243 | Float_t tmaxfd, Float_t stemax, Float_t deemax, | |
244 | Float_t epsil, Float_t stmin, Float_t *ubuf, | |
245 | Int_t nbuf) const | |
246 | { | |
247 | // | |
248 | // Store the parameters of a tracking medium | |
249 | // | |
250 | // numed the medium number is stored into (*fIdtmed)[numed] | |
251 | // name medium name | |
252 | // nmat the material number is stored into (*fIdmate)[nmat] | |
253 | // isvol sensitive volume if isvol!=0 | |
254 | // ifield magnetic field flag (see below) | |
255 | // fieldm maximum magnetic field | |
256 | // tmaxfd maximum deflection angle due to magnetic field | |
257 | // stemax maximum step allowed | |
258 | // deemax maximum fractional energy loss in one step | |
259 | // epsil tracking precision in cm | |
260 | // stmin minimum step due to continuous processes | |
261 | // | |
262 | // ifield = 0 no magnetic field | |
263 | // = -1 user decision in guswim | |
264 | // = 1 tracking performed with Runge Kutta | |
265 | // = 2 tracking performed with helix | |
266 | // = 3 constant magnetic field along z | |
267 | // | |
268 | Int_t kmed; | |
269 | //Build the string uniquename as "DET_mediumname" | |
270 | TString uniquename = GetName(); | |
271 | uniquename.Append("_"); | |
272 | uniquename.Append(name); | |
273 | //if geometry loaded from file only fill fIdtmed, else create medium too | |
274 | if(AliSimulation::Instance()->IsGeometryFromFile()){ | |
275 | TGeoMedium *med = gGeoManager->GetMedium(uniquename.Data()); | |
276 | kmed = med->GetId(); | |
277 | (*fIdtmed)[numed]=kmed; | |
278 | }else{ | |
279 | gMC->Medium(kmed, uniquename.Data(), (*fIdmate)[nmat], isvol, ifield, | |
280 | fieldm, tmaxfd, stemax, deemax, epsil, stmin, ubuf, nbuf); | |
281 | (*fIdtmed)[numed]=kmed; | |
282 | } | |
283 | } | |
284 | ||
285 | //_______________________________________________________________________ | |
286 | void AliModule::AliMatrix(Int_t &nmat, Float_t theta1, Float_t phi1, | |
287 | Float_t theta2, Float_t phi2, Float_t theta3, | |
288 | Float_t phi3) const | |
289 | { | |
290 | // | |
291 | // Define a rotation matrix. Angles are in degrees. | |
292 | // | |
293 | // nmat on output contains the number assigned to the rotation matrix | |
294 | // theta1 polar angle for axis I | |
295 | // phi1 azimuthal angle for axis I | |
296 | // theta2 polar angle for axis II | |
297 | // phi2 azimuthal angle for axis II | |
298 | // theta3 polar angle for axis III | |
299 | // phi3 azimuthal angle for axis III | |
300 | // | |
301 | gMC->Matrix(nmat, theta1, phi1, theta2, phi2, theta3, phi3); | |
302 | } | |
303 | ||
304 | //_______________________________________________________________________ | |
305 | Float_t AliModule::ZMin() const | |
306 | { | |
307 | return -500; | |
308 | } | |
309 | ||
310 | //_______________________________________________________________________ | |
311 | Float_t AliModule::ZMax() const | |
312 | { | |
313 | return 500; | |
314 | } | |
315 | ||
316 | //_______________________________________________________________________ | |
317 | void AliModule::AddAlignableVolumes() const | |
318 | { | |
319 | // | |
320 | if (IsActive()) | |
321 | AliWarning(Form(" %s still has to implement the AddAlignableVolumes method!",GetName())); | |
322 | } | |
323 | ||
324 | //_______________________________________________________________________ | |
325 | ||
326 | AliLoader* AliModule::MakeLoader(const char* /*topfoldername*/) | |
327 | { | |
328 | return 0x0; | |
329 | } | |
330 | ||
331 | ||
332 | //_____________________________________________________________________________ | |
333 | AliTrackReference* AliModule::AddTrackReference(Int_t label, Int_t id){ | |
334 | // | |
335 | // add a trackrefernce to the list | |
336 | return (gAlice->GetMCApp()->AddTrackReference(label, id)); | |
337 | } | |
338 | ||
339 | //_____________________________________________________________________________ | |
340 | TTree* AliModule::TreeTR() | |
341 | { | |
342 | // | |
343 | // Return TR tree pointer | |
344 | // | |
345 | if ( fRunLoader == 0x0) | |
346 | { | |
347 | AliError("Can not get the run loader"); | |
348 | return 0x0; | |
349 | } | |
350 | ||
351 | TTree* tree = fRunLoader->TreeTR(); | |
352 | return tree; | |
353 | } | |
354 | ||
355 | ||
356 | //_____________________________________________________________________________ | |
357 | void AliModule::Digits2Raw() | |
358 | { | |
359 | // This is a dummy version that just copies the digits file contents | |
360 | // to a raw data file. | |
361 | ||
362 | AliWarning(Form("Dummy version called for %s", GetName())); | |
363 | ||
364 | Int_t nDDLs = AliDAQ::NumberOfDdls(GetName()); | |
365 | ||
366 | if (!GetLoader()) return; | |
367 | fstream digitsFile(GetLoader()->GetDigitsFileName(), ios::in); | |
368 | if (!digitsFile) return; | |
369 | ||
370 | digitsFile.seekg(0, ios::end); | |
371 | UInt_t size = digitsFile.tellg(); | |
372 | UInt_t ddlSize = 4 * (size / (4*nDDLs)); | |
373 | Char_t* buffer = new Char_t[ddlSize+1]; | |
374 | ||
375 | for (Int_t iDDL = 0; iDDL < nDDLs; iDDL++) { | |
376 | char fileName[20]; | |
377 | strcpy(fileName,AliDAQ::DdlFileName(GetName(),iDDL)); | |
378 | fstream rawFile(fileName, ios::out); | |
379 | if (!rawFile) return; | |
380 | ||
381 | AliRawDataHeader header; | |
382 | header.fSize = ddlSize + sizeof(header); | |
383 | rawFile.write((char*) &header, sizeof(header)); | |
384 | ||
385 | digitsFile.read(buffer, ddlSize); | |
386 | rawFile.write(buffer, ddlSize); | |
387 | rawFile.close(); | |
388 | } | |
389 | ||
390 | digitsFile.close(); | |
391 | delete[] buffer; | |
392 | } |