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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 | $Log$ | |
855190cc | 18 | Revision 1.14.4.4 2000/05/19 10:10:21 nilsen |
19 | fix for bug with HP and Sun unix + fix for event display in ITS-working branch | |
fc0f0f90 | 20 | |
21 | Revision 1.14.4.3 2000/03/04 23:46:38 nilsen | |
22 | Fixed up the comments/documentation. | |
23 | ||
24 | Revision 1.14.4.2 2000/03/02 21:53:02 nilsen | |
25 | To make it compatable with the changes in AliRun/AliModule. | |
26 | ||
27 | Revision 1.14.4.1 2000/01/12 19:03:33 nilsen | |
28 | This is the version of the files after the merging done in December 1999. | |
29 | See the ReadMe110100.txt file for details | |
30 | ||
b13db077 | 31 | Revision 1.14 1999/10/22 08:16:49 fca |
32 | Correct destructors, thanks to I.Hrivnacova | |
33 | ||
5b8cc8df | 34 | Revision 1.13 1999/10/06 10:15:19 fca |
35 | Correct bug in allocation of layer name and add destructor | |
36 | ||
1ef401ff | 37 | Revision 1.12 1999/10/05 08:05:09 fca |
38 | Minor corrections for uninitialised variables. | |
39 | ||
593d2ea1 | 40 | Revision 1.11 1999/09/29 09:24:20 fca |
41 | Introduction of the Copyright and cvs Log | |
42 | ||
4c039060 | 43 | */ |
44 | ||
fe4da5cc | 45 | /////////////////////////////////////////////////////////////////////////////// |
fc0f0f90 | 46 | // |
47 | // Inner Traking System version 5 | |
48 | // This class contains the base procedures for the Inner Tracking System | |
49 | // | |
58005f18 | 50 | // Authors: R. Barbera, B. S. Nilsen. |
51 | // version 5. | |
52 | // Created September 17 1999. | |
fc0f0f90 | 53 | // |
fe4da5cc | 54 | /////////////////////////////////////////////////////////////////////////////// |
55 | ||
fc0f0f90 | 56 | // See AliITSv5::StepManager(). |
57 | #define ALIITSPRINTGEOM 0 // default. don't print out gemetry information | |
58 | //#define ALIITSPRINTGEOM 1 // print out geometry information | |
59 | ||
58005f18 | 60 | #include <stdio.h> |
61 | #include <stdlib.h> | |
fe4da5cc | 62 | #include <TMath.h> |
c9a71be1 | 63 | #include <TGeometry.h> |
64 | #include <TNode.h> | |
65 | #include <TTUBE.h> | |
855190cc | 66 | #include <TFile.h> // only required for Tracking function? |
67 | #include <TCanvas.h> | |
68 | #include <TObjArray.h> | |
69 | #include <TClonesArray.h> | |
58005f18 | 70 | |
fe4da5cc | 71 | #include "AliRun.h" |
fe4da5cc | 72 | #include "TSystem.h" |
fc0f0f90 | 73 | #if ALIITSPRINTGEOM==1 |
74 | #include "../TGeant3/TGeant3.h" | |
75 | #endif | |
58005f18 | 76 | #include "AliITShit.h" |
77 | #include "AliITS.h" | |
78 | #include "AliITSv5.h" | |
79 | #include "AliITSgeom.h" | |
fe4da5cc | 80 | |
81 | ClassImp(AliITSv5) | |
82 | ||
83 | //_____________________________________________________________________________ | |
e8189707 | 84 | AliITSv5::AliITSv5() { |
fc0f0f90 | 85 | //////////////////////////////////////////////////////////////////////// |
86 | // Standard default constructor for the ITS version 5. | |
87 | //////////////////////////////////////////////////////////////////////// | |
481937a6 | 88 | |
e8189707 | 89 | fIdN = 6; |
90 | fIdName = new TString[fIdN]; | |
91 | fIdName[0] = "ITS1"; | |
92 | fIdName[1] = "ITS2"; | |
93 | fIdName[2] = "ITS3"; | |
94 | fIdName[3] = "ITS4"; | |
95 | fIdName[4] = "ITS5"; | |
96 | fIdName[5] = "ITS6"; | |
97 | fIdSens = new Int_t[fIdN]; | |
98 | for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length(); | |
99 | fMajorVersion = 5; | |
fe4da5cc | 100 | } |
855190cc | 101 | //____________________________________________________________________________ |
102 | AliITSv5::AliITSv5(const AliITSv5 &source){ | |
103 | //////////////////////////////////////////////////////////////////////// | |
104 | // Copy Constructor for ITS version 5. | |
105 | //////////////////////////////////////////////////////////////////////// | |
106 | if(&source == this) return; | |
e8189707 | 107 | printf("Not allowed to copy AliITSv5\n"); |
481937a6 | 108 | return; |
855190cc | 109 | } |
110 | //_____________________________________________________________________________ | |
111 | AliITSv5& AliITSv5::operator=(const AliITSv5 &source){ | |
112 | //////////////////////////////////////////////////////////////////////// | |
113 | // Assignment operator for the ITS version 1. | |
114 | //////////////////////////////////////////////////////////////////////// | |
e8189707 | 115 | |
116 | if(&source == this) return *this; | |
117 | printf("Not allowed to copy AliITSv3\n"); | |
118 | return *this; | |
119 | ||
855190cc | 120 | } |
fe4da5cc | 121 | //_____________________________________________________________________________ |
1ef401ff | 122 | AliITSv5::~AliITSv5() { |
fc0f0f90 | 123 | //////////////////////////////////////////////////////////////////////// |
124 | // Standard destructor for the ITS version 5. | |
125 | //////////////////////////////////////////////////////////////////////// | |
1ef401ff | 126 | } |
127 | //_____________________________________________________________________________ | |
58005f18 | 128 | AliITSv5::AliITSv5(const char *name, const char *title) : AliITS(name, title){ |
fc0f0f90 | 129 | //////////////////////////////////////////////////////////////////////// |
130 | // Standard constructor for the ITS version 5. | |
131 | //////////////////////////////////////////////////////////////////////// | |
e8189707 | 132 | fIdN = 6; |
133 | fIdName = new TString[fIdN]; | |
134 | fIdName[0] = "ITS1"; | |
135 | fIdName[1] = "ITS2"; | |
136 | fIdName[2] = "ITS3"; | |
137 | fIdName[3] = "ITS4"; | |
138 | fIdName[4] = "ITS5"; | |
139 | fIdName[5] = "ITS6"; | |
140 | fIdSens = new Int_t[fIdN]; | |
141 | for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length(); | |
142 | fMajorVersion = 5; | |
58005f18 | 143 | |
144 | fEuclidMaterial = "$ALICE_ROOT/Euclid/ITSgeometry_5.tme"; | |
145 | fEuclidGeometry = "$ALICE_ROOT/Euclid/ITSgeometry_5.euc"; | |
c9a71be1 | 146 | } |
147 | //_____________________________________________________________________________ | |
148 | void AliITSv5::BuildGeometry(){ | |
855190cc | 149 | //////////////////////////////////////////////////////////////////////// |
150 | // Geometry builder for the ITS version 5. | |
151 | //////////////////////////////////////////////////////////////////////// | |
c9a71be1 | 152 | // |
153 | // Build ITS TNODE geometry for event display using detailed geometry. | |
154 | // This function builds a simple ITS geometry used by the ROOT macro | |
155 | // ITSdisplay.C. | |
156 | ||
855190cc | 157 | TNode *top; |
c9a71be1 | 158 | TNode *nd; |
e8189707 | 159 | //const int kColorITSSPD=kRed; |
160 | //const int kColorITSSDD=kGreen; | |
161 | const int kColorITSSSD=kBlue; | |
c9a71be1 | 162 | // |
855190cc | 163 | top=gAlice->GetGeometry()->GetNode("alice"); |
c9a71be1 | 164 | AliITSgeom *gm = this->GetITSgeom(); |
165 | ||
24314ecd | 166 | Int_t lay,lad,det,i; |
c9a71be1 | 167 | Text_t name[10]; |
168 | Float_t xg[3]; | |
169 | Float_t rt[9]; | |
170 | Double_t rtd[9]; | |
171 | TBRIK *box; | |
172 | TRotMatrix *rm; | |
173 | //TCanvas *c1 = new TCanvas("c1","ITS"); | |
174 | ||
24314ecd | 175 | for(lay=1;lay<=2;lay++) |
176 | for(lad=1;lad<=gm->GetNladders(lay);lad++) | |
177 | for(det=1;det<=gm->GetNdetectors(lay);det++){ | |
c9a71be1 | 178 | try { |
179 | box = new TBRIK ("ActiveSPD","Active volume of SPD","SPD SI DET", | |
180 | 0.64,0.0075,4.19); | |
181 | } catch (...) { | |
182 | cout << "EXCEPTION in box = new TBRIK" << endl; | |
183 | return; | |
184 | } | |
185 | gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]); | |
186 | gm->GetRotMatrix(lay,lad,det,rt); | |
187 | //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det); | |
ca9d4947 | 188 | for(i=0;i<9;i++) rtd[i] = rt[i]; |
c9a71be1 | 189 | try { |
190 | rm = new TRotMatrix(name,name,rtd); | |
191 | } catch (...) { | |
192 | cout << "EXCEPTION in new TRotMatrix" << endl; | |
193 | return; | |
194 | } | |
855190cc | 195 | top->cd(); |
c9a71be1 | 196 | //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det); |
197 | try { | |
198 | nd = new TNode("SPD"," ",box,xg[0],xg[1],xg[2],rm); | |
199 | } catch (...) { | |
200 | cout << "EXCEPTION in new TNode" << endl; | |
201 | return; | |
202 | } | |
855190cc | 203 | nd->SetLineColor(kColorITSSSD); |
c9a71be1 | 204 | fNodes->Add(nd); |
205 | } | |
206 | ||
24314ecd | 207 | for(lay=3;lay<=3;lay++) |
208 | for(lad=1;lad<=gm->GetNladders(lay);lad++) | |
209 | for(det=1;det<=gm->GetNdetectors(lay);det++){ | |
c9a71be1 | 210 | try { |
211 | box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET", | |
212 | 3.5,0.014,3.763); | |
213 | } catch (...) { | |
214 | cout << "EXCEPTION in box = new TBRIK" << endl; | |
215 | return; | |
216 | } | |
217 | gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]); | |
218 | gm->GetRotMatrix(lay,lad,det,rt); | |
219 | //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det); | |
ca9d4947 | 220 | for(i=0;i<9;i++) rtd[i] = rt[i]; |
c9a71be1 | 221 | try { |
222 | rm = new TRotMatrix(name,name,rtd); | |
223 | } catch (...) { | |
224 | cout << "EXCEPTION in new TRotMatrix" << endl; | |
225 | return; | |
226 | } | |
855190cc | 227 | top->cd(); |
c9a71be1 | 228 | //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det); |
229 | try { | |
230 | nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm); | |
231 | } catch (...) { | |
232 | cout << "EXCEPTION in new TNode" << endl; | |
233 | return; | |
234 | } | |
855190cc | 235 | nd->SetLineColor(kColorITSSSD); |
c9a71be1 | 236 | fNodes->Add(nd); |
237 | } | |
238 | ||
24314ecd | 239 | for(lay=4;lay<=4;lay++) |
240 | for(lad=1;lad<=gm->GetNladders(lay);lad++) | |
241 | for(det=1;det<=gm->GetNdetectors(lay);det++){ | |
c9a71be1 | 242 | try { |
243 | box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET", | |
244 | 3.5,0.014,3.763); | |
245 | } catch (...) { | |
246 | cout << "EXCEPTION in box = new TBRIK" << endl; | |
247 | return; | |
248 | } | |
249 | gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]); | |
250 | gm->GetRotMatrix(lay,lad,det,rt); | |
251 | //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det); | |
ca9d4947 | 252 | for(i=0;i<9;i++) rtd[i] = rt[i]; |
c9a71be1 | 253 | try { |
254 | rm = new TRotMatrix(name,name,rtd); | |
255 | } catch (...) { | |
256 | cout << "EXCEPTION in new TRotMatrix" << endl; | |
257 | return; | |
258 | } | |
855190cc | 259 | top->cd(); |
c9a71be1 | 260 | //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det); |
261 | try { | |
262 | nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm); | |
263 | } catch (...) { | |
264 | cout << "EXCEPTION in new TNode" << endl; | |
265 | return; | |
266 | } | |
855190cc | 267 | nd->SetLineColor(kColorITSSSD); |
c9a71be1 | 268 | fNodes->Add(nd); |
269 | } | |
24314ecd | 270 | for(lay=5;lay<=5;lay++) |
271 | for(lad=1;lad<=gm->GetNladders(lay);lad++) | |
272 | for(det=1;det<=gm->GetNdetectors(lay);det++){ | |
c9a71be1 | 273 | try { |
274 | box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET", | |
275 | 3.65,0.015,2.0); | |
276 | } catch (...) { | |
277 | cout << "EXCEPTION in box = new TBRIK" << endl; | |
278 | return; | |
279 | } | |
280 | gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]); | |
281 | gm->GetRotMatrix(lay,lad,det,rt); | |
282 | //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det); | |
ca9d4947 | 283 | for(i=0;i<9;i++) rtd[i] = rt[i]; |
c9a71be1 | 284 | try { |
285 | rm = new TRotMatrix(name,name,rtd); | |
286 | } catch (...) { | |
287 | cout << "EXCEPTION in new TRotMatrix" << endl; | |
288 | return; | |
289 | } | |
855190cc | 290 | top->cd(); |
c9a71be1 | 291 | //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det); |
292 | try { | |
293 | nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm); | |
294 | } catch (...) { | |
295 | cout << "EXCEPTION in new TNode" << endl; | |
296 | return; | |
297 | } | |
855190cc | 298 | nd->SetLineColor(kColorITSSSD); |
c9a71be1 | 299 | fNodes->Add(nd); |
300 | } | |
301 | ||
24314ecd | 302 | for(lay=6;lay<=6;lay++) |
303 | for(lad=1;lad<=gm->GetNladders(lay);lad++) | |
304 | for(det=1;det<=gm->GetNdetectors(lay);det++){ | |
c9a71be1 | 305 | try { |
306 | box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET", | |
307 | 3.65,0.015,2.0); | |
308 | } catch (...) { | |
309 | cout << "EXCEPTION in box = new TBRIK" << endl; | |
310 | return; | |
311 | } | |
312 | ||
313 | gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]); | |
314 | gm->GetRotMatrix(lay,lad,det,rt); | |
315 | //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det); | |
24314ecd | 316 | for(i=0;i<9;i++) rtd[i] = rt[i]; |
c9a71be1 | 317 | try { |
318 | rm = new TRotMatrix(name,name,rtd); | |
319 | } catch (...) { | |
320 | cout << "EXCEPTION in new TRotMatrix" << endl; | |
321 | return; | |
322 | } | |
855190cc | 323 | top->cd(); |
c9a71be1 | 324 | //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det); |
325 | try { | |
326 | nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm); | |
327 | } catch (...) { | |
328 | cout << "EXCEPTION in new TNode" << endl; | |
329 | return; | |
330 | } | |
855190cc | 331 | nd->SetLineColor(kColorITSSSD); |
c9a71be1 | 332 | fNodes->Add(nd); |
333 | } | |
334 | ||
335 | ||
855190cc | 336 | } |
fe4da5cc | 337 | //_____________________________________________________________________________ |
58005f18 | 338 | void AliITSv5::CreateMaterials(){ |
fc0f0f90 | 339 | //////////////////////////////////////////////////////////////////////// |
340 | // Read a file containing the materials for the ITS version 5. | |
341 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 342 | char *filtmp; |
fc0f0f90 | 343 | |
58005f18 | 344 | filtmp = gSystem->ExpandPathName(fEuclidMaterial.Data()); |
fc0f0f90 | 345 | |
1808a5a2 | 346 | FILE *file = fopen(filtmp,"r"); |
fe4da5cc | 347 | if(file) { |
348 | fclose(file); | |
b13db077 | 349 | ReadEuclidMedia(filtmp); |
fe4da5cc | 350 | } else { |
fc0f0f90 | 351 | Error("CreateMaterials"," THE MEDIA FILE %s DOES NOT EXIST !",filtmp); |
fe4da5cc | 352 | exit(1); |
58005f18 | 353 | } // end if(file) |
fe4da5cc | 354 | } |
fe4da5cc | 355 | //_____________________________________________________________________________ |
58005f18 | 356 | void AliITSv5::CreateGeometry(){ |
357 | ////////////////////////////////////////////////////////////////////// | |
358 | // This is the geometry used for the ITS Pre-TDR and comes from an | |
359 | // Euclid to Geant conversion. The only difference | |
360 | // is in the details of the ITS supports. The detectors elements, | |
361 | // detector numbering, and local and global reference frames are shown in | |
362 | // the following figures. | |
363 | //Begin_Html | |
364 | /* | |
a92b2b7d | 365 | <img src="picts/ITS/its1+2_convention_front_5.gif"> |
58005f18 | 366 | </pre> |
367 | <br clear=left> | |
368 | <font size=+2 color=red> | |
369 | <p>This shows the front view of the SPDs. | |
370 | </font> | |
371 | <pre> | |
a92b2b7d | 372 | <img src="picts/ITS/its1+2_convention_side_5.gif"> |
58005f18 | 373 | </pre> |
374 | <br clear=left> | |
375 | <font size=+2 color=red> | |
376 | <p>This shows the perspective view of the SPDs. | |
377 | </font> | |
a92b2b7d | 378 | <img src="picts/ITS/its1+2_tree.gif"> |
58005f18 | 379 | </pre> |
380 | <br clear=left> | |
381 | <font size=+2 color=red> | |
382 | <p>This shows the geometry Tree for the SPDs. | |
383 | </font> | |
384 | <pre> | |
385 | ||
386 | <pre> | |
a92b2b7d | 387 | <img src="picts/ITS/its3+4_convention_front_5.gif"> |
58005f18 | 388 | </pre> |
389 | <br clear=left> | |
390 | <font size=+2 color=red> | |
391 | <p>This shows the front view of the SDDs. | |
392 | </font> | |
393 | <pre> | |
a92b2b7d | 394 | <img src="picts/ITS/its3+4_convention_side_5.gif"> |
58005f18 | 395 | </pre> |
396 | <br clear=left> | |
397 | <font size=+2 color=red> | |
398 | <p>This shows the perspective view of the SDDs. | |
399 | </font> | |
a92b2b7d | 400 | <img src="picts/ITS/its3+4_tree.gif"> |
58005f18 | 401 | </pre> |
402 | <br clear=left> | |
403 | <font size=+2 color=red> | |
404 | <p>This shows the geometry Tree for the SDDs. | |
405 | </font> | |
406 | <pre> | |
fe4da5cc | 407 | |
58005f18 | 408 | <pre> |
a92b2b7d | 409 | <img src="picts/ITS/its5+6_convention_front_5.gif"> |
58005f18 | 410 | </pre> |
411 | <br clear=left> | |
412 | <font size=+2 color=red> | |
413 | <p>This shows the front view of the SSDs. | |
414 | </font> | |
415 | <pre> | |
a92b2b7d | 416 | <img src="picts/ITS/its5+6_convention_side_5.gif"> |
58005f18 | 417 | </pre> |
418 | <br clear=left> | |
419 | <font size=+2 color=red> | |
420 | <p>This shows the perspective view of the SSDs. | |
421 | </font> | |
422 | <pre> | |
a92b2b7d | 423 | <img src="picts/ITS/its5+6_tree.gif"> |
58005f18 | 424 | </pre> |
425 | <br clear=left> | |
426 | <font size=+2 color=red> | |
427 | <p>This shows the geometry Tree for the SSDs. | |
428 | </font> | |
429 | <pre> | |
430 | ||
431 | ||
a92b2b7d | 432 | <img src="picts/ITS/its_layer1-6_2.gif"> |
58005f18 | 433 | </pre> |
434 | <br clear=left> | |
435 | <font size=+2 color=red> | |
436 | <p>This shows the front view of the whole ITS.. | |
437 | </font> | |
438 | <pre> | |
439 | ||
a92b2b7d | 440 | <img src="picts/ITS/its_layer1-6_1.gif"> |
58005f18 | 441 | </pre> |
442 | <br clear=left> | |
443 | <font size=+2 color=red> | |
444 | <p>This shows the perspective view of the whole ITS.. | |
445 | </font> | |
446 | <pre> | |
447 | ||
a92b2b7d | 448 | <img src="picts/ITS/its1-6_tree.gif"> |
58005f18 | 449 | </pre> |
450 | <br clear=left> | |
451 | <font size=+2 color=red> | |
452 | <p>This shows the geometry Tree for the whole ITS. | |
453 | </font> | |
454 | <pre> | |
455 | */ | |
456 | //End_Html | |
457 | // | |
fe4da5cc | 458 | // |
58005f18 | 459 | // Here are shown the details of the ITS support cones and services. |
460 | // First is a GEANT tree showing the organization of all of the volumes | |
461 | // that make up the ITS supports and services. | |
462 | //Begin_Html | |
463 | /* | |
a92b2b7d | 464 | <img src="picts/ITS/supports_tree.gif"> |
58005f18 | 465 | */ |
466 | //End_Html | |
467 | // What follows are a number of figures showing what these support | |
468 | // structures look like. | |
469 | //Begin_Html | |
470 | /* | |
471 | ||
a92b2b7d | 472 | <img src="picts/ITS/supports_3.gif"> |
58005f18 | 473 | </pre> |
474 | <br clear=left> | |
475 | <font size=+2 color=red> | |
476 | <p>This shows the geometry of the supports for the Drift and Strip layers only. | |
477 | </font> | |
478 | <pre> | |
479 | ||
a92b2b7d | 480 | <img src="picts/ITS/supports_2.gif"> |
58005f18 | 481 | </pre> |
482 | <br clear=left> | |
483 | <font size=+2 color=red> | |
484 | <p>This shows the geometry of the supports for the Drift and Strip layers in front cut out. | |
485 | </font> | |
486 | <pre> | |
487 | ||
a92b2b7d | 488 | <img src="picts/ITS/supports_1.gif"> |
58005f18 | 489 | </pre> |
490 | <br clear=left> | |
491 | <font size=+2 color=red> | |
492 | <p>This shows the geometry of the supports for the Drift and Strip layers in a back cut out.. | |
493 | </font> | |
494 | <pre> | |
495 | ||
a92b2b7d | 496 | <img src="picts/ITS/suppssd.gif"> |
58005f18 | 497 | </pre> |
498 | <br clear=left> | |
499 | <font size=+2 color=red> | |
500 | <p>This shows the geometry for the Strip layers supports. | |
501 | </font> | |
502 | <pre> | |
503 | ||
a92b2b7d | 504 | <img src="picts/ITS/suppsdd.gif"> |
58005f18 | 505 | </pre> |
506 | <br clear=left> | |
507 | <font size=+2 color=red> | |
508 | <p>This shows the geometry for the Drift layers supports. | |
509 | </font> | |
510 | <pre> | |
511 | */ | |
512 | //End_Html | |
58005f18 | 513 | // |
fc0f0f90 | 514 | // Read a file containing the geometry for the ITS version 5. |
515 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 516 | |
517 | Int_t size; | |
518 | char topvol[5]; | |
519 | char *filtmp; | |
fc0f0f90 | 520 | |
58005f18 | 521 | filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data()); |
fe4da5cc | 522 | FILE *file = fopen(filtmp,"r"); |
523 | delete [] filtmp; | |
524 | if(file) { | |
525 | fclose(file); | |
58005f18 | 526 | printf("Ready to read Euclid geometry file\n"); |
b13db077 | 527 | ReadEuclid(fEuclidGeometry.Data(),topvol); |
58005f18 | 528 | printf("Read in euclid geometries\n"); |
fe4da5cc | 529 | } else { |
58005f18 | 530 | Error("CreateGeometry"," THE GEOM FILE %s DOES NOT EXIST !", |
531 | fEuclidGeometry.Data()); | |
fe4da5cc | 532 | exit(1); |
58005f18 | 533 | } // end if(file) |
fe4da5cc | 534 | // |
fc0f0f90 | 535 | // Place the ITS ghost volume ITSV in its mother volume (ALIC) and make it |
536 | // invisible | |
fe4da5cc | 537 | // |
cfce8870 | 538 | gMC->Gspos("ITSV",1,"ALIC",0,0,0,0,"ONLY"); |
fe4da5cc | 539 | // |
fc0f0f90 | 540 | // Outputs the geometry tree in the EUCLID/CAD format if requested to do so |
fe4da5cc | 541 | |
542 | if (fEuclidOut) { | |
cfce8870 | 543 | gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5); |
58005f18 | 544 | } // end if (fEuclidOut) |
545 | ||
fc0f0f90 | 546 | // read in the file containing the transformations for the active |
547 | // volumes for the ITS version 5. This is expected to be in a file | |
548 | // ending in .det. This geometry is kept in the AliITSgeom class. | |
58005f18 | 549 | filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data()); |
550 | size = strlen(filtmp); | |
551 | if(size>4){ | |
552 | filtmp[size-3] = 'd'; // change from .euc to .det | |
553 | filtmp[size-2] = 'e'; | |
554 | filtmp[size-1] = 't'; | |
555 | file = fopen(filtmp,"r"); | |
556 | if(file){ // if file exists use it to fill AliITSgeom structure. | |
557 | fclose(file); | |
558 | printf("ready to read .det file %s\n",filtmp); | |
559 | fITSgeom = new AliITSgeom(filtmp); | |
560 | }else{ | |
561 | fITSgeom = 0; | |
562 | // fill AliITSgeom structure from geant structure just filled above | |
563 | }// end if(file) | |
564 | delete [] filtmp; | |
565 | }// end if(size>4) | |
566 | printf("finished with euclid geometrys\n"); | |
fe4da5cc | 567 | } |
fe4da5cc | 568 | //_____________________________________________________________________________ |
58005f18 | 569 | void AliITSv5::Init(){ |
fc0f0f90 | 570 | //////////////////////////////////////////////////////////////////////// |
571 | // Initialise the ITS after it has been created. | |
572 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 573 | |
574 | AliITS::Init(); | |
c9a71be1 | 575 | fMajorVersion = 5; |
576 | fMinorVersion = 0; | |
fe4da5cc | 577 | } |
fe4da5cc | 578 | //_____________________________________________________________________________ |
58005f18 | 579 | void AliITSv5::StepManager(){ |
fc0f0f90 | 580 | //////////////////////////////////////////////////////////////////////// |
581 | // Called for every step in the ITS, then calles the AliITShit class | |
582 | // creator with the information to be recoreded about that hit. | |
583 | // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the | |
584 | // printing of information to a file which can be used to create a .det | |
585 | // file read in by the routine CreateGeometry(). If set to 0 or any other | |
586 | // value except 1, the default behavior, then no such file is created nor | |
587 | // it the extra variables and the like used in the printing allocated. | |
588 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 589 | Int_t copy, id; |
590 | Int_t copy1,copy2; | |
591 | Float_t hits[8]; | |
592 | Int_t vol[4]; | |
0a6d8768 | 593 | TLorentzVector position, momentum; |
58005f18 | 594 | TClonesArray &lhits = *fHits; |
fc0f0f90 | 595 | #if ALIITSPRINTGEOM==1 |
596 | FILE *fp; | |
597 | Int_t i; | |
598 | Float_t xl[3],xt[3],angl[6]; | |
599 | // Float_t par[20],att[20]; | |
600 | Float_t mat[9]; | |
601 | static Bool_t first=kTRUE,printit[6][50][50]; | |
602 | if(first){ for(copy1=0;copy1<6;copy1++)for(copy2=0;copy2<50;copy2++) | |
603 | for(id=0;id<50;id++) printit[copy1][copy2][id] = kTRUE; | |
604 | first = kFALSE; | |
605 | } | |
606 | // end if first | |
607 | #endif | |
fe4da5cc | 608 | // |
58005f18 | 609 | // Track status |
610 | vol[3] = 0; | |
611 | if(gMC->IsTrackInside()) vol[3] += 1; | |
612 | if(gMC->IsTrackEntering()) vol[3] += 2; | |
613 | if(gMC->IsTrackExiting()) vol[3] += 4; | |
614 | if(gMC->IsTrackOut()) vol[3] += 8; | |
615 | if(gMC->IsTrackDisappeared()) vol[3] += 16; | |
616 | if(gMC->IsTrackStop()) vol[3] += 32; | |
617 | if(gMC->IsTrackAlive()) vol[3] += 64; | |
618 | // | |
619 | // Fill hit structure. | |
620 | if(!(gMC->TrackCharge())) return; | |
621 | // | |
622 | // Only entering charged tracks | |
623 | if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) { | |
624 | vol[0] = 1; | |
625 | id = gMC->CurrentVolOffID(0,copy); | |
626 | //detector copy in the ladder = 1<->4 (ITS1) | |
627 | vol[1] = copy; | |
628 | gMC->CurrentVolOffID(1,copy1); | |
629 | //ladder copy in the module = 1<->2 (I186) | |
630 | gMC->CurrentVolOffID(2,copy2); | |
631 | //module copy in the layer = 1<->10 (I132) | |
632 | vol[2] = copy1+(copy2-1)*2;//# of ladders in one module = 2 | |
633 | } else if(id == fIdSens[1]){ | |
634 | vol[0] = 2; | |
635 | id = gMC->CurrentVolOffID(0,copy); | |
636 | //detector copy in the ladder = 1<->4 (ITS2) | |
637 | vol[1] = copy; | |
638 | gMC->CurrentVolOffID(1,copy1); | |
639 | //ladder copy in the module = 1<->4 (I131) | |
640 | gMC->CurrentVolOffID(2,copy2); | |
641 | //module copy in the layer = 1<->10 (I132) | |
642 | vol[2] = copy1+(copy2-1)*4;//# of ladders in one module = 4 | |
643 | } else if(id == fIdSens[2]){ | |
644 | vol[0] = 3; | |
645 | id = gMC->CurrentVolOffID(1,copy); | |
646 | //detector copy in the ladder = 1<->5 (ITS3 is inside I314) | |
647 | vol[1] = copy; | |
648 | id = gMC->CurrentVolOffID(2,copy); | |
649 | //ladder copy in the layer = 1<->12 (I316) | |
650 | vol[2] = copy; | |
651 | } else if(id == fIdSens[3]){ | |
652 | vol[0] = 4; | |
653 | id = gMC->CurrentVolOffID(1,copy); | |
654 | //detector copy in the ladder = 1<->8 (ITS4 is inside I414) | |
655 | vol[1] = copy; | |
656 | id = gMC->CurrentVolOffID(2,copy); | |
657 | //ladder copy in the layer = 1<->22 (I417) | |
658 | vol[2] = copy; | |
659 | }else if(id == fIdSens[4]){ | |
660 | vol[0] = 5; | |
661 | id = gMC->CurrentVolOffID(1,copy); | |
662 | //detector copy in the ladder = 1<->23 (ITS5 is inside I562) | |
663 | vol[1] = copy; | |
664 | id = gMC->CurrentVolOffID(2,copy); | |
665 | //ladder copy in the layer = 1<->34 (I565) | |
666 | vol[2] = copy; | |
667 | }else if(id == fIdSens[5]){ | |
668 | vol[0] = 6; | |
669 | id = gMC->CurrentVolOffID(1,copy); | |
670 | //detector copy in the ladder = 1<->26 (ITS6 is inside I566) | |
671 | vol[1] = copy; | |
672 | id = gMC->CurrentVolOffID(2,copy); | |
673 | //ladder copy in the layer = 1<->38 (I569) | |
674 | vol[2] = copy; | |
675 | } else { | |
676 | return; // not an ITS volume? | |
677 | } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i]) | |
678 | // | |
679 | gMC->TrackPosition(position); | |
680 | gMC->TrackMomentum(momentum); | |
681 | hits[0]=position[0]; | |
682 | hits[1]=position[1]; | |
683 | hits[2]=position[2]; | |
684 | hits[3]=momentum[0]; | |
685 | hits[4]=momentum[1]; | |
686 | hits[5]=momentum[2]; | |
687 | hits[6]=gMC->Edep(); | |
688 | hits[7]=gMC->TrackTime(); | |
689 | // Fill hit structure with this new hit. | |
690 | new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
fc0f0f90 | 691 | #if ALIITSPRINTGEOM==1 |
692 | if(printit[vol[0]][vol[2]][vol[1]]){ | |
693 | printit[vol[0]][vol[2]][vol[1]] = kFALSE; | |
694 | xl[0] = xl[1] = xl[2] = 0.0; | |
695 | gMC->Gdtom(xl,xt,1); | |
696 | for(i=0;i<9;i++) mat[i] = 0.0; | |
697 | mat[0] = mat[4] = mat[8] = 1.0; // default with identity matrix | |
698 | xl[0] = 1.0; | |
699 | xl[1] = xl[2] =0.0; | |
700 | gMC->Gdtom(xl,&(mat[0]),2); | |
701 | xl[1] = 1.0; | |
702 | xl[0] = xl[2] =0.0; | |
703 | gMC->Gdtom(xl,&(mat[3]),2); | |
704 | xl[2] = 1.0; | |
705 | xl[1] = xl[0] =0.0; | |
706 | gMC->Gdtom(xl,&(mat[6]),2); | |
707 | ||
708 | angl[0] = TMath::ACos(mat[2]); | |
709 | if(mat[2]==1.0) angl[0] = 0.0; | |
710 | angl[1] = TMath::ATan2(mat[1],mat[0]); | |
711 | if(angl[1]<0.0) angl[1] += 2.0*TMath::Pi(); | |
712 | ||
713 | angl[2] = TMath::ACos(mat[5]); | |
714 | if(mat[5]==1.0) angl[2] = 0.0; | |
715 | angl[3] = TMath::ATan2(mat[4],mat[3]); | |
716 | if(angl[3]<0.0) angl[3] += 2.0*TMath::Pi(); | |
717 | ||
718 | angl[4] = TMath::ACos(mat[8]); | |
719 | if(mat[8]==1.0) angl[4] = 0.0; | |
720 | angl[5] = TMath::ATan2(mat[7],mat[6]); | |
721 | if(angl[5]<0.0) angl[5] += 2.0*TMath::Pi(); | |
722 | ||
723 | for(i=0;i<6;i++) angl[i] *= 180.0/TMath::Pi(); // degrees | |
724 | fp = fopen("ITSgeometry_v5.det","a"); | |
725 | fprintf(fp,"%2d %2d %2d %9e %9e %9e %9e %9e %9e %9e %9e %9e ", | |
726 | vol[0],vol[2],vol[1], // layer ladder detector | |
727 | xt[0],xt[1],xt[2], // Translation vector | |
728 | angl[0],angl[1],angl[2],angl[3],angl[4],angl[5] // Geant rotaion | |
729 | // angles (degrees) | |
730 | ); | |
731 | fprintf(fp,"%9e %9e %9e %9e %9e %9e %9e %9e %9e", | |
732 | mat[0],mat[1],mat[2],mat[3],mat[4],mat[5],mat[6],mat[7],mat[8] | |
733 | ); // Adding the rotation matrix. | |
734 | fprintf(fp,"\n"); | |
735 | fclose(fp); | |
736 | } // end if printit[layer][ladder][detector] | |
737 | #endif | |
58005f18 | 738 | return; |
fe4da5cc | 739 | } |
58005f18 | 740 | //____________________________________________________________________________ |
fc0f0f90 | 741 | void AliITSv5::Streamer(TBuffer &R__b){ |
742 | //////////////////////////////////////////////////////////////////////// | |
743 | // A dummy Streamer function for this class AliITSv5. By default it | |
744 | // only streams the AliITS class as it is required. Since this class | |
745 | // dosen't contain any "real" data to be saved, it doesn't. | |
746 | //////////////////////////////////////////////////////////////////////// | |
855190cc | 747 | |
58005f18 | 748 | if (R__b.IsReading()) { |
fc0f0f90 | 749 | Version_t R__v = R__b.ReadVersion(); |
750 | if (R__v==1) { | |
751 | AliITS::Streamer(R__b); | |
fc0f0f90 | 752 | }else{ |
e8189707 | 753 | AliITS::Streamer(R__b); |
fc0f0f90 | 754 | } // end if R__v==1 |
58005f18 | 755 | } else { |
756 | R__b.WriteVersion(AliITSv5::IsA()); | |
757 | AliITS::Streamer(R__b); | |
fc0f0f90 | 758 | } // end if R__b.IsReading() |
58005f18 | 759 | } |