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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 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
b13db077 | 18 | Revision 1.14 1999/10/22 08:16:49 fca |
19 | Correct destructors, thanks to I.Hrivnacova | |
20 | ||
5b8cc8df | 21 | Revision 1.13 1999/10/06 10:15:19 fca |
22 | Correct bug in allocation of layer name and add destructor | |
23 | ||
1ef401ff | 24 | Revision 1.12 1999/10/05 08:05:09 fca |
25 | Minor corrections for uninitialised variables. | |
26 | ||
593d2ea1 | 27 | Revision 1.11 1999/09/29 09:24:20 fca |
28 | Introduction of the Copyright and cvs Log | |
29 | ||
4c039060 | 30 | */ |
31 | ||
fe4da5cc | 32 | /////////////////////////////////////////////////////////////////////////////// |
33 | // // | |
34 | // Inner Traking System version 5 // | |
35 | // This class contains the base procedures for the Inner Tracking System // | |
36 | // // | |
58005f18 | 37 | // Authors: R. Barbera, B. S. Nilsen. |
38 | // version 5. | |
39 | // Created September 17 1999. | |
fe4da5cc | 40 | // // |
41 | /////////////////////////////////////////////////////////////////////////////// | |
42 | ||
58005f18 | 43 | #include <stdio.h> |
44 | #include <stdlib.h> | |
fe4da5cc | 45 | #include <TMath.h> |
58005f18 | 46 | |
fe4da5cc | 47 | #include "AliRun.h" |
fe4da5cc | 48 | #include "TSystem.h" |
58005f18 | 49 | #include "AliITShit.h" |
50 | #include "AliITS.h" | |
51 | #include "AliITSv5.h" | |
52 | #include "AliITSgeom.h" | |
fe4da5cc | 53 | |
54 | ClassImp(AliITSv5) | |
55 | ||
56 | //_____________________________________________________________________________ | |
593d2ea1 | 57 | AliITSv5::AliITSv5() { |
58005f18 | 58 | // |
59 | // Standard constructor for the ITS | |
60 | // | |
1ef401ff | 61 | fId5N = 6; |
58005f18 | 62 | fId5Name = new char*[fId5N]; |
63 | fId5Name[0] = "ITS1"; | |
64 | fId5Name[1] = "ITS2"; | |
65 | fId5Name[2] = "ITS3"; | |
66 | fId5Name[3] = "ITS4"; | |
67 | fId5Name[4] = "ITS5"; | |
68 | fId5Name[5] = "ITS6"; | |
fe4da5cc | 69 | } |
fe4da5cc | 70 | //_____________________________________________________________________________ |
1ef401ff | 71 | AliITSv5::~AliITSv5() { |
72 | // | |
73 | // Standard destructor for the ITS | |
74 | // | |
1ef401ff | 75 | delete [] fId5Name; |
1ef401ff | 76 | } |
77 | //_____________________________________________________________________________ | |
58005f18 | 78 | AliITSv5::AliITSv5(const char *name, const char *title) : AliITS(name, title){ |
79 | // | |
80 | // Standard constructor for the ITS | |
81 | // | |
82 | fId5N = 6; | |
83 | fId5Name = new char*[fId5N]; | |
84 | fId5Name[0] = "ITS1"; | |
85 | fId5Name[1] = "ITS2"; | |
86 | fId5Name[2] = "ITS3"; | |
87 | fId5Name[3] = "ITS4"; | |
88 | fId5Name[4] = "ITS5"; | |
89 | fId5Name[5] = "ITS6"; | |
90 | ||
91 | fEuclidMaterial = "$ALICE_ROOT/Euclid/ITSgeometry_5.tme"; | |
92 | fEuclidGeometry = "$ALICE_ROOT/Euclid/ITSgeometry_5.euc"; | |
fe4da5cc | 93 | } |
94 | ||
95 | ||
96 | //_____________________________________________________________________________ | |
58005f18 | 97 | void AliITSv5::CreateMaterials(){ |
fe4da5cc | 98 | // |
99 | // Read materials for the ITS | |
100 | // | |
58005f18 | 101 | char *filtmp; |
102 | // | |
103 | filtmp = gSystem->ExpandPathName(fEuclidMaterial.Data()); | |
104 | // FILE *file = fopen(fEuclidMaterial.Data(),"r"); | |
1808a5a2 | 105 | FILE *file = fopen(filtmp,"r"); |
fe4da5cc | 106 | if(file) { |
107 | fclose(file); | |
b13db077 | 108 | // ReadEuclidMedia(fEuclidMaterial.Data()); |
109 | ReadEuclidMedia(filtmp); | |
fe4da5cc | 110 | } else { |
58005f18 | 111 | Error("CreateMaterials"," THE MEDIA FILE %s DOES NOT EXIST !", |
112 | // fEuclidMaterial.Data()); | |
113 | filtmp); | |
fe4da5cc | 114 | exit(1); |
58005f18 | 115 | } // end if(file) |
fe4da5cc | 116 | } |
117 | ||
118 | //_____________________________________________________________________________ | |
58005f18 | 119 | void AliITSv5::CreateGeometry(){ |
120 | ////////////////////////////////////////////////////////////////////// | |
121 | // This is the geometry used for the ITS Pre-TDR and comes from an | |
122 | // Euclid to Geant conversion. The only difference | |
123 | // is in the details of the ITS supports. The detectors elements, | |
124 | // detector numbering, and local and global reference frames are shown in | |
125 | // the following figures. | |
126 | //Begin_Html | |
127 | /* | |
a92b2b7d | 128 | <img src="picts/ITS/its1+2_convention_front_5.gif"> |
58005f18 | 129 | </pre> |
130 | <br clear=left> | |
131 | <font size=+2 color=red> | |
132 | <p>This shows the front view of the SPDs. | |
133 | </font> | |
134 | <pre> | |
a92b2b7d | 135 | <img src="picts/ITS/its1+2_convention_side_5.gif"> |
58005f18 | 136 | </pre> |
137 | <br clear=left> | |
138 | <font size=+2 color=red> | |
139 | <p>This shows the perspective view of the SPDs. | |
140 | </font> | |
a92b2b7d | 141 | <img src="picts/ITS/its1+2_tree.gif"> |
58005f18 | 142 | </pre> |
143 | <br clear=left> | |
144 | <font size=+2 color=red> | |
145 | <p>This shows the geometry Tree for the SPDs. | |
146 | </font> | |
147 | <pre> | |
148 | ||
149 | <pre> | |
a92b2b7d | 150 | <img src="picts/ITS/its3+4_convention_front_5.gif"> |
58005f18 | 151 | </pre> |
152 | <br clear=left> | |
153 | <font size=+2 color=red> | |
154 | <p>This shows the front view of the SDDs. | |
155 | </font> | |
156 | <pre> | |
a92b2b7d | 157 | <img src="picts/ITS/its3+4_convention_side_5.gif"> |
58005f18 | 158 | </pre> |
159 | <br clear=left> | |
160 | <font size=+2 color=red> | |
161 | <p>This shows the perspective view of the SDDs. | |
162 | </font> | |
a92b2b7d | 163 | <img src="picts/ITS/its3+4_tree.gif"> |
58005f18 | 164 | </pre> |
165 | <br clear=left> | |
166 | <font size=+2 color=red> | |
167 | <p>This shows the geometry Tree for the SDDs. | |
168 | </font> | |
169 | <pre> | |
fe4da5cc | 170 | |
58005f18 | 171 | <pre> |
a92b2b7d | 172 | <img src="picts/ITS/its5+6_convention_front_5.gif"> |
58005f18 | 173 | </pre> |
174 | <br clear=left> | |
175 | <font size=+2 color=red> | |
176 | <p>This shows the front view of the SSDs. | |
177 | </font> | |
178 | <pre> | |
a92b2b7d | 179 | <img src="picts/ITS/its5+6_convention_side_5.gif"> |
58005f18 | 180 | </pre> |
181 | <br clear=left> | |
182 | <font size=+2 color=red> | |
183 | <p>This shows the perspective view of the SSDs. | |
184 | </font> | |
185 | <pre> | |
a92b2b7d | 186 | <img src="picts/ITS/its5+6_tree.gif"> |
58005f18 | 187 | </pre> |
188 | <br clear=left> | |
189 | <font size=+2 color=red> | |
190 | <p>This shows the geometry Tree for the SSDs. | |
191 | </font> | |
192 | <pre> | |
193 | ||
194 | ||
a92b2b7d | 195 | <img src="picts/ITS/its_layer1-6_2.gif"> |
58005f18 | 196 | </pre> |
197 | <br clear=left> | |
198 | <font size=+2 color=red> | |
199 | <p>This shows the front view of the whole ITS.. | |
200 | </font> | |
201 | <pre> | |
202 | ||
a92b2b7d | 203 | <img src="picts/ITS/its_layer1-6_1.gif"> |
58005f18 | 204 | </pre> |
205 | <br clear=left> | |
206 | <font size=+2 color=red> | |
207 | <p>This shows the perspective view of the whole ITS.. | |
208 | </font> | |
209 | <pre> | |
210 | ||
a92b2b7d | 211 | <img src="picts/ITS/its1-6_tree.gif"> |
58005f18 | 212 | </pre> |
213 | <br clear=left> | |
214 | <font size=+2 color=red> | |
215 | <p>This shows the geometry Tree for the whole ITS. | |
216 | </font> | |
217 | <pre> | |
218 | */ | |
219 | //End_Html | |
220 | // | |
fe4da5cc | 221 | // |
58005f18 | 222 | // Here are shown the details of the ITS support cones and services. |
223 | // First is a GEANT tree showing the organization of all of the volumes | |
224 | // that make up the ITS supports and services. | |
225 | //Begin_Html | |
226 | /* | |
a92b2b7d | 227 | <img src="picts/ITS/supports_tree.gif"> |
58005f18 | 228 | */ |
229 | //End_Html | |
230 | // What follows are a number of figures showing what these support | |
231 | // structures look like. | |
232 | //Begin_Html | |
233 | /* | |
234 | ||
a92b2b7d | 235 | <img src="picts/ITS/supports_3.gif"> |
58005f18 | 236 | </pre> |
237 | <br clear=left> | |
238 | <font size=+2 color=red> | |
239 | <p>This shows the geometry of the supports for the Drift and Strip layers only. | |
240 | </font> | |
241 | <pre> | |
242 | ||
a92b2b7d | 243 | <img src="picts/ITS/supports_2.gif"> |
58005f18 | 244 | </pre> |
245 | <br clear=left> | |
246 | <font size=+2 color=red> | |
247 | <p>This shows the geometry of the supports for the Drift and Strip layers in front cut out. | |
248 | </font> | |
249 | <pre> | |
250 | ||
a92b2b7d | 251 | <img src="picts/ITS/supports_1.gif"> |
58005f18 | 252 | </pre> |
253 | <br clear=left> | |
254 | <font size=+2 color=red> | |
255 | <p>This shows the geometry of the supports for the Drift and Strip layers in a back cut out.. | |
256 | </font> | |
257 | <pre> | |
258 | ||
a92b2b7d | 259 | <img src="picts/ITS/suppssd.gif"> |
58005f18 | 260 | </pre> |
261 | <br clear=left> | |
262 | <font size=+2 color=red> | |
263 | <p>This shows the geometry for the Strip layers supports. | |
264 | </font> | |
265 | <pre> | |
266 | ||
a92b2b7d | 267 | <img src="picts/ITS/suppsdd.gif"> |
58005f18 | 268 | </pre> |
269 | <br clear=left> | |
270 | <font size=+2 color=red> | |
271 | <p>This shows the geometry for the Drift layers supports. | |
272 | </font> | |
273 | <pre> | |
274 | */ | |
275 | //End_Html | |
276 | //////////////////////////////////////////////////////////////////////// | |
277 | // Read geometry for the ITS | |
278 | // | |
279 | ||
280 | Int_t size; | |
281 | char topvol[5]; | |
282 | char *filtmp; | |
283 | // | |
284 | filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data()); | |
fe4da5cc | 285 | FILE *file = fopen(filtmp,"r"); |
286 | delete [] filtmp; | |
287 | if(file) { | |
288 | fclose(file); | |
58005f18 | 289 | printf("Ready to read Euclid geometry file\n"); |
b13db077 | 290 | ReadEuclid(fEuclidGeometry.Data(),topvol); |
58005f18 | 291 | printf("Read in euclid geometries\n"); |
fe4da5cc | 292 | } else { |
58005f18 | 293 | Error("CreateGeometry"," THE GEOM FILE %s DOES NOT EXIST !", |
294 | fEuclidGeometry.Data()); | |
fe4da5cc | 295 | exit(1); |
58005f18 | 296 | } // end if(file) |
fe4da5cc | 297 | // |
58005f18 | 298 | //---Place the ITS ghost volume ITSV in its mother volume (ALIC) and make it |
fe4da5cc | 299 | // invisible |
300 | // | |
cfce8870 | 301 | gMC->Gspos("ITSV",1,"ALIC",0,0,0,0,"ONLY"); |
fe4da5cc | 302 | // |
58005f18 | 303 | //---Outputs the geometry tree in the EUCLID/CAD format |
fe4da5cc | 304 | |
305 | if (fEuclidOut) { | |
cfce8870 | 306 | gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5); |
58005f18 | 307 | } // end if (fEuclidOut) |
308 | ||
309 | filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data()); | |
310 | size = strlen(filtmp); | |
311 | if(size>4){ | |
312 | filtmp[size-3] = 'd'; // change from .euc to .det | |
313 | filtmp[size-2] = 'e'; | |
314 | filtmp[size-1] = 't'; | |
315 | file = fopen(filtmp,"r"); | |
316 | if(file){ // if file exists use it to fill AliITSgeom structure. | |
317 | fclose(file); | |
318 | printf("ready to read .det file %s\n",filtmp); | |
319 | fITSgeom = new AliITSgeom(filtmp); | |
320 | }else{ | |
321 | fITSgeom = 0; | |
322 | // fill AliITSgeom structure from geant structure just filled above | |
323 | }// end if(file) | |
324 | delete [] filtmp; | |
325 | }// end if(size>4) | |
326 | printf("finished with euclid geometrys\n"); | |
fe4da5cc | 327 | } |
328 | ||
329 | //_____________________________________________________________________________ | |
58005f18 | 330 | void AliITSv5::Init(){ |
331 | // | |
332 | // Initialise the ITS after it has been created | |
333 | // | |
334 | Int_t i,j,l; | |
335 | ||
336 | fIdN = fId5N; | |
337 | fIdName = new char*[fId5N]; | |
338 | fIdSens = new Int_t[fId5N]; | |
339 | for(i=0;i<fId5N;i++) { | |
340 | l = strlen(fId5Name[i]); | |
341 | fIdName[i] = new char[l+1]; | |
342 | for(j=0;j<l;j++) fIdName[i][j] = fId5Name[i][j]; | |
343 | fIdName[i][l] = '\0'; // Null terminate this string. | |
344 | } // end for i | |
345 | ||
346 | AliITS::Init(); | |
fe4da5cc | 347 | } |
348 | ||
349 | //_____________________________________________________________________________ | |
58005f18 | 350 | void AliITSv5::StepManager(){ |
fe4da5cc | 351 | // |
352 | // Called for every step in the ITS | |
353 | // | |
58005f18 | 354 | Int_t copy, id; |
355 | Int_t copy1,copy2; | |
356 | Float_t hits[8]; | |
357 | Int_t vol[4]; | |
0a6d8768 | 358 | TLorentzVector position, momentum; |
58005f18 | 359 | TClonesArray &lhits = *fHits; |
fe4da5cc | 360 | // |
58005f18 | 361 | // Track status |
362 | vol[3] = 0; | |
363 | if(gMC->IsTrackInside()) vol[3] += 1; | |
364 | if(gMC->IsTrackEntering()) vol[3] += 2; | |
365 | if(gMC->IsTrackExiting()) vol[3] += 4; | |
366 | if(gMC->IsTrackOut()) vol[3] += 8; | |
367 | if(gMC->IsTrackDisappeared()) vol[3] += 16; | |
368 | if(gMC->IsTrackStop()) vol[3] += 32; | |
369 | if(gMC->IsTrackAlive()) vol[3] += 64; | |
370 | // | |
371 | // Fill hit structure. | |
372 | if(!(gMC->TrackCharge())) return; | |
373 | // | |
374 | // Only entering charged tracks | |
375 | if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) { | |
376 | vol[0] = 1; | |
377 | id = gMC->CurrentVolOffID(0,copy); | |
378 | //detector copy in the ladder = 1<->4 (ITS1) | |
379 | vol[1] = copy; | |
380 | gMC->CurrentVolOffID(1,copy1); | |
381 | //ladder copy in the module = 1<->2 (I186) | |
382 | gMC->CurrentVolOffID(2,copy2); | |
383 | //module copy in the layer = 1<->10 (I132) | |
384 | vol[2] = copy1+(copy2-1)*2;//# of ladders in one module = 2 | |
385 | } else if(id == fIdSens[1]){ | |
386 | vol[0] = 2; | |
387 | id = gMC->CurrentVolOffID(0,copy); | |
388 | //detector copy in the ladder = 1<->4 (ITS2) | |
389 | vol[1] = copy; | |
390 | gMC->CurrentVolOffID(1,copy1); | |
391 | //ladder copy in the module = 1<->4 (I131) | |
392 | gMC->CurrentVolOffID(2,copy2); | |
393 | //module copy in the layer = 1<->10 (I132) | |
394 | vol[2] = copy1+(copy2-1)*4;//# of ladders in one module = 4 | |
395 | } else if(id == fIdSens[2]){ | |
396 | vol[0] = 3; | |
397 | id = gMC->CurrentVolOffID(1,copy); | |
398 | //detector copy in the ladder = 1<->5 (ITS3 is inside I314) | |
399 | vol[1] = copy; | |
400 | id = gMC->CurrentVolOffID(2,copy); | |
401 | //ladder copy in the layer = 1<->12 (I316) | |
402 | vol[2] = copy; | |
403 | } else if(id == fIdSens[3]){ | |
404 | vol[0] = 4; | |
405 | id = gMC->CurrentVolOffID(1,copy); | |
406 | //detector copy in the ladder = 1<->8 (ITS4 is inside I414) | |
407 | vol[1] = copy; | |
408 | id = gMC->CurrentVolOffID(2,copy); | |
409 | //ladder copy in the layer = 1<->22 (I417) | |
410 | vol[2] = copy; | |
411 | }else if(id == fIdSens[4]){ | |
412 | vol[0] = 5; | |
413 | id = gMC->CurrentVolOffID(1,copy); | |
414 | //detector copy in the ladder = 1<->23 (ITS5 is inside I562) | |
415 | vol[1] = copy; | |
416 | id = gMC->CurrentVolOffID(2,copy); | |
417 | //ladder copy in the layer = 1<->34 (I565) | |
418 | vol[2] = copy; | |
419 | }else if(id == fIdSens[5]){ | |
420 | vol[0] = 6; | |
421 | id = gMC->CurrentVolOffID(1,copy); | |
422 | //detector copy in the ladder = 1<->26 (ITS6 is inside I566) | |
423 | vol[1] = copy; | |
424 | id = gMC->CurrentVolOffID(2,copy); | |
425 | //ladder copy in the layer = 1<->38 (I569) | |
426 | vol[2] = copy; | |
427 | } else { | |
428 | return; // not an ITS volume? | |
429 | } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i]) | |
430 | // | |
431 | gMC->TrackPosition(position); | |
432 | gMC->TrackMomentum(momentum); | |
433 | hits[0]=position[0]; | |
434 | hits[1]=position[1]; | |
435 | hits[2]=position[2]; | |
436 | hits[3]=momentum[0]; | |
437 | hits[4]=momentum[1]; | |
438 | hits[5]=momentum[2]; | |
439 | hits[6]=gMC->Edep(); | |
440 | hits[7]=gMC->TrackTime(); | |
441 | // Fill hit structure with this new hit. | |
442 | new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
443 | return; | |
fe4da5cc | 444 | } |
58005f18 | 445 | //____________________________________________________________________________ |
446 | void AliITSv5::Streamer(TBuffer &R__b) | |
447 | { | |
448 | // Stream an object of class AliITSv5. | |
449 | ||
450 | if (R__b.IsReading()) { | |
451 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
452 | AliITS::Streamer(R__b); | |
453 | // This information does not need to be read. It is "hard wired" | |
454 | // into this class via its creators. | |
455 | //R__b >> fId5N; | |
456 | //R__b.ReadArray(fId5Name); | |
457 | } else { | |
458 | R__b.WriteVersion(AliITSv5::IsA()); | |
459 | AliITS::Streamer(R__b); | |
460 | // This information does not need to be saved. It is "hard wired" | |
461 | // into this class via its creators. | |
462 | //R__b << fId5N; | |
463 | //R__b.WriteArray(fId5Name, __COUNTER__); | |
464 | } | |
465 | } | |
466 |