]> git.uio.no Git - u/mrichter/AliRoot.git/blame - ITS/AliITSv5.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
New figure needed for ITS documentation.
[u/mrichter/AliRoot.git] / ITS / AliITSv5.cxx
CommitLineData
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$Log$
58e13d99 18Revision 1.29 2001/02/09 00:05:31 nilsen
19Added fMajor/MinorVersion variables and made other changes to better make
20use of the new code changes in AliITSgeom related classes.
21
bae7e562 22Revision 1.28 2001/02/02 23:57:28 nilsen
23Added include file that are no londer included in AliITSgeom.h
24
d953664a 25Revision 1.27 2001/01/30 09:23:13 hristov
26Streamers removed (R.Brun)
27
a8a6107b 28Revision 1.26 2000/11/30 11:13:11 barbera
29 Added changes suggested by Federico Carminati on nov, 30, 2000
30
a07ced09 31Revision 1.25 2000/10/05 20:50:00 nilsen
32Now using root generated streamers.
33
1ca7869b 34Revision 1.14.4.12 2000/10/02 16:04:03 barbera
35Forward declarations added
36
37Revision 1.22 2000/07/10 16:07:19 fca
38Release version of ITS code
39
855190cc 40Revision 1.14.4.4 2000/05/19 10:10:21 nilsen
41fix for bug with HP and Sun unix + fix for event display in ITS-working branch
fc0f0f90 42
43Revision 1.14.4.3 2000/03/04 23:46:38 nilsen
44Fixed up the comments/documentation.
45
46Revision 1.14.4.2 2000/03/02 21:53:02 nilsen
47To make it compatable with the changes in AliRun/AliModule.
48
49Revision 1.14.4.1 2000/01/12 19:03:33 nilsen
50This is the version of the files after the merging done in December 1999.
51See the ReadMe110100.txt file for details
52
b13db077 53Revision 1.14 1999/10/22 08:16:49 fca
54Correct destructors, thanks to I.Hrivnacova
55
5b8cc8df 56Revision 1.13 1999/10/06 10:15:19 fca
57Correct bug in allocation of layer name and add destructor
58
1ef401ff 59Revision 1.12 1999/10/05 08:05:09 fca
60Minor corrections for uninitialised variables.
61
593d2ea1 62Revision 1.11 1999/09/29 09:24:20 fca
63Introduction of the Copyright and cvs Log
64
4c039060 65*/
66
fe4da5cc 67///////////////////////////////////////////////////////////////////////////////
fc0f0f90 68//
69// Inner Traking System version 5
70// This class contains the base procedures for the Inner Tracking System
71//
58005f18 72// Authors: R. Barbera, B. S. Nilsen.
73// version 5.
74// Created September 17 1999.
fc0f0f90 75//
fe4da5cc 76///////////////////////////////////////////////////////////////////////////////
d953664a 77#include <iostream.h>
78#include <iomanip.h>
58005f18 79#include <stdio.h>
80#include <stdlib.h>
fe4da5cc 81#include <TMath.h>
c9a71be1 82#include <TGeometry.h>
83#include <TNode.h>
84#include <TTUBE.h>
855190cc 85#include <TFile.h> // only required for Tracking function?
86#include <TCanvas.h>
87#include <TObjArray.h>
a07ced09 88#include <TLorentzVector.h>
f7f0c278 89#include <TObjString.h>
855190cc 90#include <TClonesArray.h>
1ca7869b 91#include <TBRIK.h>
f7f0c278 92#include <TSystem.h>
58005f18 93
94de3818 94#include "AliMC.h"
f7f0c278 95#include "AliRun.h"
fc0f0f90 96#include "../TGeant3/TGeant3.h"
58005f18 97#include "AliITShit.h"
bae7e562 98#include "AliITSGeant3Geometry.h"
58005f18 99#include "AliITS.h"
100#include "AliITSv5.h"
101#include "AliITSgeom.h"
bae7e562 102#include "AliITSgeomSPD.h"
103#include "AliITSgeomSDD.h"
104#include "AliITSgeomSSD.h"
fe4da5cc 105
106ClassImp(AliITSv5)
107
108//_____________________________________________________________________________
e8189707 109AliITSv5::AliITSv5() {
fc0f0f90 110////////////////////////////////////////////////////////////////////////
111// Standard default constructor for the ITS version 5.
112////////////////////////////////////////////////////////////////////////
bae7e562 113 Int_t i;
481937a6 114
f7f0c278 115 fIdN = 0;
116 fIdName = 0;
117 fIdSens = 0;
bae7e562 118 fEuclidOut = kFALSE; // Don't write Euclide file
119 fGeomDetOut = kFALSE; // Don't write .det file
120 fGeomDetIn = kTRUE; // Read .det file
121 fGeomOldDetIn = kTRUE; // Read old formatted .det file
122 fMajorVersion = IsVersion();
123 fMinorVersion = 1;
124 for(i=0;i<60;i++) fRead[i] = '\0';
125 for(i=0;i<60;i++) fWrite[i] = '\0';
126 for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
127}
128//_____________________________________________________________________________
129AliITSv5::AliITSv5(const char *name, const char *title) : AliITS(name, title){
130////////////////////////////////////////////////////////////////////////
131// Standard constructor for the ITS version 5.
132////////////////////////////////////////////////////////////////////////
133 Int_t i;
134
135 fIdN = 6;
136 fIdName = new TString[fIdN];
137 fIdName[0] = "ITS1";
138 fIdName[1] = "ITS2";
139 fIdName[2] = "ITS3";
140 fIdName[3] = "ITS4";
141 fIdName[4] = "ITS5";
142 fIdName[5] = "ITS6";
143 fIdSens = new Int_t[fIdN];
144 for (i=0;i<fIdN;i++) fIdSens[i] = 0;
145 fEuclidOut = kFALSE; // Don't write Euclide file
146 fGeomDetOut = kFALSE; // Don't write .det file
147 fGeomDetIn = kTRUE; // Read .det file
148 fGeomOldDetIn = kTRUE; // Read old formatted .det file
149 fMajorVersion = IsVersion();
150 fMinorVersion = 1;
151 for(i=0;i<60;i++) fRead[i] = '\0';
152 for(i=0;i<60;i++) fWrite[i] = '\0';
153
154 fEuclidMaterial = "$ALICE_ROOT/Euclid/ITSgeometry_5.tme";
155 fEuclidGeometry = "$ALICE_ROOT/Euclid/ITSgeometry_5.euc";
156 strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_v5.det",60);
157 strncpy(fRead,fEuclidGeomDet,60);
158 strncpy(fWrite,fEuclidGeomDet,60);
fe4da5cc 159}
855190cc 160//____________________________________________________________________________
161AliITSv5::AliITSv5(const AliITSv5 &source){
162////////////////////////////////////////////////////////////////////////
163// Copy Constructor for ITS version 5.
164////////////////////////////////////////////////////////////////////////
165 if(&source == this) return;
bae7e562 166 Warning("Copy Constructor","Not allowed to copy AliITSv5");
481937a6 167 return;
855190cc 168}
169//_____________________________________________________________________________
170AliITSv5& AliITSv5::operator=(const AliITSv5 &source){
171////////////////////////////////////////////////////////////////////////
bae7e562 172// Assignment operator for the ITS version 5.
855190cc 173////////////////////////////////////////////////////////////////////////
e8189707 174
175 if(&source == this) return *this;
bae7e562 176 Warning("= operator","Not allowed to copy AliITSv5");
e8189707 177 return *this;
178
855190cc 179}
fe4da5cc 180//_____________________________________________________________________________
1ef401ff 181AliITSv5::~AliITSv5() {
fc0f0f90 182////////////////////////////////////////////////////////////////////////
183// Standard destructor for the ITS version 5.
184////////////////////////////////////////////////////////////////////////
1ef401ff 185}
bae7e562 186//______________________________________________________________________
c9a71be1 187void AliITSv5::BuildGeometry(){
855190cc 188////////////////////////////////////////////////////////////////////////
189// Geometry builder for the ITS version 5.
190////////////////////////////////////////////////////////////////////////
c9a71be1 191 //
192 // Build ITS TNODE geometry for event display using detailed geometry.
193 // This function builds a simple ITS geometry used by the ROOT macro
194 // ITSdisplay.C.
195
855190cc 196 TNode *top;
c9a71be1 197 TNode *nd;
e8189707 198 //const int kColorITSSPD=kRed;
199 //const int kColorITSSDD=kGreen;
200 const int kColorITSSSD=kBlue;
c9a71be1 201 //
c9a71be1 202 AliITSgeom *gm = this->GetITSgeom();
bae7e562 203 if(gm==0) return;
204 top=gAlice->GetGeometry()->GetNode("alice");
c9a71be1 205
24314ecd 206 Int_t lay,lad,det,i;
c9a71be1 207 Text_t name[10];
208 Float_t xg[3];
209 Float_t rt[9];
210 Double_t rtd[9];
211 TBRIK *box;
212 TRotMatrix *rm;
213 //TCanvas *c1 = new TCanvas("c1","ITS");
214
24314ecd 215 for(lay=1;lay<=2;lay++)
216 for(lad=1;lad<=gm->GetNladders(lay);lad++)
217 for(det=1;det<=gm->GetNdetectors(lay);det++){
c9a71be1 218 try {
219 box = new TBRIK ("ActiveSPD","Active volume of SPD","SPD SI DET",
220 0.64,0.0075,4.19);
221 } catch (...) {
222 cout << "EXCEPTION in box = new TBRIK" << endl;
223 return;
224 }
225 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
226 gm->GetRotMatrix(lay,lad,det,rt);
227 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
ca9d4947 228 for(i=0;i<9;i++) rtd[i] = rt[i];
c9a71be1 229 try {
230 rm = new TRotMatrix(name,name,rtd);
231 } catch (...) {
232 cout << "EXCEPTION in new TRotMatrix" << endl;
233 return;
234 }
855190cc 235 top->cd();
c9a71be1 236 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
237 try {
238 nd = new TNode("SPD"," ",box,xg[0],xg[1],xg[2],rm);
239 } catch (...) {
240 cout << "EXCEPTION in new TNode" << endl;
241 return;
242 }
855190cc 243 nd->SetLineColor(kColorITSSSD);
c9a71be1 244 fNodes->Add(nd);
245 }
246
24314ecd 247 for(lay=3;lay<=3;lay++)
248 for(lad=1;lad<=gm->GetNladders(lay);lad++)
249 for(det=1;det<=gm->GetNdetectors(lay);det++){
c9a71be1 250 try {
251 box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET",
252 3.5,0.014,3.763);
253 } catch (...) {
254 cout << "EXCEPTION in box = new TBRIK" << endl;
255 return;
256 }
257 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
258 gm->GetRotMatrix(lay,lad,det,rt);
259 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
ca9d4947 260 for(i=0;i<9;i++) rtd[i] = rt[i];
c9a71be1 261 try {
262 rm = new TRotMatrix(name,name,rtd);
263 } catch (...) {
264 cout << "EXCEPTION in new TRotMatrix" << endl;
265 return;
266 }
855190cc 267 top->cd();
c9a71be1 268 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
269 try {
270 nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm);
271 } catch (...) {
272 cout << "EXCEPTION in new TNode" << endl;
273 return;
274 }
855190cc 275 nd->SetLineColor(kColorITSSSD);
c9a71be1 276 fNodes->Add(nd);
277 }
278
24314ecd 279 for(lay=4;lay<=4;lay++)
280 for(lad=1;lad<=gm->GetNladders(lay);lad++)
281 for(det=1;det<=gm->GetNdetectors(lay);det++){
c9a71be1 282 try {
283 box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET",
284 3.5,0.014,3.763);
285 } catch (...) {
286 cout << "EXCEPTION in box = new TBRIK" << endl;
287 return;
288 }
289 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
290 gm->GetRotMatrix(lay,lad,det,rt);
291 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
ca9d4947 292 for(i=0;i<9;i++) rtd[i] = rt[i];
c9a71be1 293 try {
294 rm = new TRotMatrix(name,name,rtd);
295 } catch (...) {
296 cout << "EXCEPTION in new TRotMatrix" << endl;
297 return;
298 }
855190cc 299 top->cd();
c9a71be1 300 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
301 try {
302 nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm);
303 } catch (...) {
304 cout << "EXCEPTION in new TNode" << endl;
305 return;
306 }
855190cc 307 nd->SetLineColor(kColorITSSSD);
c9a71be1 308 fNodes->Add(nd);
309 }
24314ecd 310 for(lay=5;lay<=5;lay++)
311 for(lad=1;lad<=gm->GetNladders(lay);lad++)
312 for(det=1;det<=gm->GetNdetectors(lay);det++){
c9a71be1 313 try {
314 box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET",
315 3.65,0.015,2.0);
316 } catch (...) {
317 cout << "EXCEPTION in box = new TBRIK" << endl;
318 return;
319 }
320 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
321 gm->GetRotMatrix(lay,lad,det,rt);
322 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
ca9d4947 323 for(i=0;i<9;i++) rtd[i] = rt[i];
c9a71be1 324 try {
325 rm = new TRotMatrix(name,name,rtd);
326 } catch (...) {
327 cout << "EXCEPTION in new TRotMatrix" << endl;
328 return;
329 }
855190cc 330 top->cd();
c9a71be1 331 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
332 try {
333 nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm);
334 } catch (...) {
335 cout << "EXCEPTION in new TNode" << endl;
336 return;
337 }
855190cc 338 nd->SetLineColor(kColorITSSSD);
c9a71be1 339 fNodes->Add(nd);
340 }
341
24314ecd 342 for(lay=6;lay<=6;lay++)
343 for(lad=1;lad<=gm->GetNladders(lay);lad++)
344 for(det=1;det<=gm->GetNdetectors(lay);det++){
c9a71be1 345 try {
346 box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET",
347 3.65,0.015,2.0);
348 } catch (...) {
349 cout << "EXCEPTION in box = new TBRIK" << endl;
350 return;
351 }
352
353 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
354 gm->GetRotMatrix(lay,lad,det,rt);
355 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
24314ecd 356 for(i=0;i<9;i++) rtd[i] = rt[i];
c9a71be1 357 try {
358 rm = new TRotMatrix(name,name,rtd);
359 } catch (...) {
360 cout << "EXCEPTION in new TRotMatrix" << endl;
361 return;
362 }
855190cc 363 top->cd();
c9a71be1 364 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
365 try {
366 nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm);
367 } catch (...) {
368 cout << "EXCEPTION in new TNode" << endl;
369 return;
370 }
855190cc 371 nd->SetLineColor(kColorITSSSD);
c9a71be1 372 fNodes->Add(nd);
373 }
374
375
855190cc 376}
fe4da5cc 377//_____________________________________________________________________________
58005f18 378void AliITSv5::CreateMaterials(){
fc0f0f90 379////////////////////////////////////////////////////////////////////////
380// Read a file containing the materials for the ITS version 5.
381////////////////////////////////////////////////////////////////////////
58005f18 382 char *filtmp;
fc0f0f90 383
58005f18 384 filtmp = gSystem->ExpandPathName(fEuclidMaterial.Data());
fc0f0f90 385
1808a5a2 386 FILE *file = fopen(filtmp,"r");
fe4da5cc 387 if(file) {
388 fclose(file);
b13db077 389 ReadEuclidMedia(filtmp);
fe4da5cc 390 } else {
fc0f0f90 391 Error("CreateMaterials"," THE MEDIA FILE %s DOES NOT EXIST !",filtmp);
fe4da5cc 392 exit(1);
58005f18 393 } // end if(file)
fe4da5cc 394}
fe4da5cc 395//_____________________________________________________________________________
58005f18 396void AliITSv5::CreateGeometry(){
397//////////////////////////////////////////////////////////////////////
398// This is the geometry used for the ITS Pre-TDR and comes from an
399// Euclid to Geant conversion. The only difference
400// is in the details of the ITS supports. The detectors elements,
401// detector numbering, and local and global reference frames are shown in
402// the following figures.
403//Begin_Html
404/*
a92b2b7d 405<img src="picts/ITS/its1+2_convention_front_5.gif">
58005f18 406</pre>
407<br clear=left>
408<font size=+2 color=red>
409<p>This shows the front view of the SPDs.
410</font>
411<pre>
a92b2b7d 412<img src="picts/ITS/its1+2_convention_side_5.gif">
58005f18 413</pre>
414<br clear=left>
415<font size=+2 color=red>
416<p>This shows the perspective view of the SPDs.
417</font>
a92b2b7d 418<img src="picts/ITS/its1+2_tree.gif">
58005f18 419</pre>
420<br clear=left>
421<font size=+2 color=red>
422<p>This shows the geometry Tree for the SPDs.
423</font>
424<pre>
425
426<pre>
a92b2b7d 427<img src="picts/ITS/its3+4_convention_front_5.gif">
58005f18 428</pre>
429<br clear=left>
430<font size=+2 color=red>
431<p>This shows the front view of the SDDs.
432</font>
433<pre>
a92b2b7d 434<img src="picts/ITS/its3+4_convention_side_5.gif">
58005f18 435</pre>
436<br clear=left>
437<font size=+2 color=red>
438<p>This shows the perspective view of the SDDs.
439</font>
a92b2b7d 440<img src="picts/ITS/its3+4_tree.gif">
58005f18 441</pre>
442<br clear=left>
443<font size=+2 color=red>
444<p>This shows the geometry Tree for the SDDs.
445</font>
446<pre>
fe4da5cc 447
58005f18 448<pre>
a92b2b7d 449<img src="picts/ITS/its5+6_convention_front_5.gif">
58005f18 450</pre>
451<br clear=left>
452<font size=+2 color=red>
453<p>This shows the front view of the SSDs.
454</font>
455<pre>
a92b2b7d 456<img src="picts/ITS/its5+6_convention_side_5.gif">
58005f18 457</pre>
458<br clear=left>
459<font size=+2 color=red>
460<p>This shows the perspective view of the SSDs.
461</font>
462<pre>
a92b2b7d 463<img src="picts/ITS/its5+6_tree.gif">
58005f18 464</pre>
465<br clear=left>
466<font size=+2 color=red>
467<p>This shows the geometry Tree for the SSDs.
468</font>
469<pre>
470
471
a92b2b7d 472<img src="picts/ITS/its_layer1-6_2.gif">
58005f18 473</pre>
474<br clear=left>
475<font size=+2 color=red>
476<p>This shows the front view of the whole ITS..
477</font>
478<pre>
479
a92b2b7d 480<img src="picts/ITS/its_layer1-6_1.gif">
58005f18 481</pre>
482<br clear=left>
483<font size=+2 color=red>
484<p>This shows the perspective view of the whole ITS..
485</font>
486<pre>
487
a92b2b7d 488<img src="picts/ITS/its1-6_tree.gif">
58005f18 489</pre>
490<br clear=left>
491<font size=+2 color=red>
492<p>This shows the geometry Tree for the whole ITS.
493</font>
494<pre>
495*/
496//End_Html
497//
fe4da5cc 498//
58005f18 499// Here are shown the details of the ITS support cones and services.
500// First is a GEANT tree showing the organization of all of the volumes
501// that make up the ITS supports and services.
502//Begin_Html
503/*
a92b2b7d 504<img src="picts/ITS/supports_tree.gif">
58005f18 505 */
506//End_Html
507// What follows are a number of figures showing what these support
508// structures look like.
509//Begin_Html
510/*
511
a92b2b7d 512<img src="picts/ITS/supports_3.gif">
58005f18 513</pre>
514<br clear=left>
515<font size=+2 color=red>
516<p>This shows the geometry of the supports for the Drift and Strip layers only.
517</font>
518<pre>
519
a92b2b7d 520<img src="picts/ITS/supports_2.gif">
58005f18 521</pre>
522<br clear=left>
523<font size=+2 color=red>
524<p>This shows the geometry of the supports for the Drift and Strip layers in front cut out.
525</font>
526<pre>
527
a92b2b7d 528<img src="picts/ITS/supports_1.gif">
58005f18 529</pre>
530<br clear=left>
531<font size=+2 color=red>
532<p>This shows the geometry of the supports for the Drift and Strip layers in a back cut out..
533</font>
534<pre>
535
a92b2b7d 536<img src="picts/ITS/suppssd.gif">
58005f18 537</pre>
538<br clear=left>
539<font size=+2 color=red>
540<p>This shows the geometry for the Strip layers supports.
541</font>
542<pre>
543
a92b2b7d 544<img src="picts/ITS/suppsdd.gif">
58005f18 545</pre>
546<br clear=left>
547<font size=+2 color=red>
548<p>This shows the geometry for the Drift layers supports.
549</font>
550<pre>
551 */
552//End_Html
58005f18 553//
fc0f0f90 554// Read a file containing the geometry for the ITS version 5.
555////////////////////////////////////////////////////////////////////////
58005f18 556
bae7e562 557
58005f18 558 char topvol[5];
559 char *filtmp;
fc0f0f90 560
58005f18 561 filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data());
fe4da5cc 562 FILE *file = fopen(filtmp,"r");
563 delete [] filtmp;
564 if(file) {
565 fclose(file);
bae7e562 566 cout << "Ready to read Euclid geometry file" << endl;
b13db077 567 ReadEuclid(fEuclidGeometry.Data(),topvol);
58005f18 568 printf("Read in euclid geometries\n");
fe4da5cc 569 } else {
58005f18 570 Error("CreateGeometry"," THE GEOM FILE %s DOES NOT EXIST !",
571 fEuclidGeometry.Data());
fe4da5cc 572 exit(1);
58005f18 573 } // end if(file)
fe4da5cc 574 //
fc0f0f90 575 // Place the ITS ghost volume ITSV in its mother volume (ALIC) and make it
576 // invisible
fe4da5cc 577 //
cfce8870 578 gMC->Gspos("ITSV",1,"ALIC",0,0,0,0,"ONLY");
fe4da5cc 579 //
fc0f0f90 580 // Outputs the geometry tree in the EUCLID/CAD format if requested to do so
fe4da5cc 581
582 if (fEuclidOut) {
cfce8870 583 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
58005f18 584 } // end if (fEuclidOut)
585
bae7e562 586 cout << "finished with euclid geometrys" << endl;
587}
588//______________________________________________________________________
589void AliITSv5::ReadOldGeometry(const char *filename){
fc0f0f90 590 // read in the file containing the transformations for the active
591 // volumes for the ITS version 5. This is expected to be in a file
592 // ending in .det. This geometry is kept in the AliITSgeom class.
bae7e562 593 Int_t size;
594 char *filtmp;
595 FILE *file;
596
597 if(fITSgeom!=0) delete fITSgeom;
598 filtmp = gSystem->ExpandPathName(filename);
58005f18 599 size = strlen(filtmp);
bae7e562 600 if(size>4 && fGeomDetIn){
601 filtmp[size-3] = 'd'; // change from .euc to .det
58005f18 602 filtmp[size-2] = 'e';
603 filtmp[size-1] = 't';
bae7e562 604 file = fopen(filtmp,"r");
605 if(file){ // if file exists use it to fill AliITSgeom structure.
606 fclose(file);
607 fITSgeom = new AliITSgeom(filtmp);
608 fITSgeom->DefineShapes(3); // if fShape isn't defined define it.
609 // Now define the detector types/shapes.
610 fITSgeom->ReSetShape(kSPD,new AliITSgeomSPD300());
611 fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD300());
612 fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD175());
613 }else{
614 fITSgeom = 0;
615 // fill AliITSgeom structure from geant structure just filled above
616 }// end if(file)
58005f18 617 delete [] filtmp;
618 }// end if(size>4)
bae7e562 619}
620//______________________________________________________________________
621void AliITSv5::InitAliITSgeom(){
622// Based on the geometry tree defined in Geant 3.21, this
623// routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
624// sturture.
625 if(!((TGeant3*)gMC)) {
626 Error("InitAliITSgeom",
627 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
628 return;
629 } // end if
630 cout << "Reading Geometry transformation directly from Geant 3." << endl;
631 const Int_t nlayers = 6;
632 const Int_t ndeep = 7;
633 Int_t itsGeomTreeNames[nlayers][ndeep],lnam[20],lnum[20];
634 Int_t nlad[nlayers],ndet[nlayers];
635 Double_t t[3],r[10];
636 Float_t par[20],att[20];
637 Int_t npar,natt,idshape,imat,imed;
638 AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
639 Int_t mod,lay,lad,det,i,j,k;
640 char *names[nlayers][ndeep] = {
641 {"ALIC","ITSV","ITSD","IT12","I132","I186","ITS1"}, // lay=1
642 {"ALIC","ITSV","ITSD","IT12","I132","I131","ITS2"}, // lay=2
643 {"ALIC","ITSV","ITSD","IT34","I004","I302","ITS3"}, // lay=3
644 {"ALIC","ITSV","ITSD","IT34","I005","I402","ITS4"}, // lay=4
645 {"ALIC","ITSV","ITSD","IT56","I565","I562","ITS5"}, // lay=5
646 {"ALIC","ITSV","ITSD","IT56","I569","I566","ITS6"}};// lay=6
647 Int_t itsGeomTreeCopys[nlayers][ndeep] = {{1,1,1,1,10, 2,4}, // lay=1
648 {1,1,1,1,10, 4,4}, // lay=2
649 {1,1,1,1,14, 6,1}, // lay=3
650 {1,1,1,1,22, 8,1}, // lay=4
651 {1,1,1,1,34,23,1}, // lay=5
652 {1,1,1,1,38,26,1}};// lay=6
653
654 // Sorry, but this is not very pritty code. It should be replaced
655 // at some point with a version that can search through the geometry
656 // tree its self.
657 for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
658 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++)
659 itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
660 mod = 0;
661 for(i=0;i<nlayers;i++){
662 k = 1;
663 for(j=0;j<ndeep;j++) if(itsGeomTreeCopys[i][j]!=0)
664 k *= TMath::Abs(itsGeomTreeCopys[i][j]);
665 mod += k;
666 } // end for i
667
668 if(fITSgeom!=0) delete fITSgeom;
669 nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
670 ndet[0]=4;ndet[1]=4;ndet[2]=6;ndet[3]=8;ndet[4]=22;ndet[5]=25;
671 fITSgeom = new AliITSgeom(0,6,nlad,ndet,mod);
672 mod = -1;
673 for(lay=1;lay<=nlayers;lay++){
674 for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[lay-1][j];
675 for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[lay-1][j];
676 switch (lay){
677 case 1: case 2: // layers 1 and 2 are a bit special
678 lad = 0;
679 for(j=1;j<=itsGeomTreeCopys[lay-1][4];j++){
680 lnum[4] = j;
681 for(k=1;k<=itsGeomTreeCopys[lay-1][5];k++){
682 lad++;
683 lnum[5] = k;
684 for(det=1;det<=itsGeomTreeCopys[lay-1][6];det++){
685 lnum[6] = det;
686 mod++;
687 ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,
688 par,att,imat,imed);
689 fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
690 if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
691 fITSgeom->ReSetShape(kSPD,
692 new AliITSgeomSPD300());
693 } // end for det
694 } // end for k
695 } // end for j
696 break;
697 case 3: case 4: case 5: case 6: // layers 3-6
698 lnum[6] = 1;
699 for(lad=1;lad<=itsGeomTreeCopys[lay-1][4];lad++){
700 lnum[4] = lad;
701 for(det=1;det<=itsGeomTreeCopys[lay-1][5];det++){
702 lnum[5] = det;
703 mod++;
704 ig->GetGeometry(7,lnam,lnum,t,r,idshape,npar,natt,
705 par,att,imat,imed);
706 switch (lay){
707 case 3: case 4:
708 fITSgeom->CreatMatrix(mod,lay,lad,det,kSDD,t,r);
709 if(!(fITSgeom->IsShapeDefined(kSDD)))
710 fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD300());
711 break;
712 case 5: case 6:
713 fITSgeom->CreatMatrix(mod,lay,lad,det,kSSD,t,r);
714 if(!(fITSgeom->IsShapeDefined(kSSD)))
715 fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD175());
716 break;
717 } // end switch
718 } // end for det
719 } // end for lad
720 break;
721 } // end switch
722 } // end for lay
723 return;
fe4da5cc 724}
fe4da5cc 725//_____________________________________________________________________________
58005f18 726void AliITSv5::Init(){
fc0f0f90 727////////////////////////////////////////////////////////////////////////
728// Initialise the ITS after it has been created.
729////////////////////////////////////////////////////////////////////////
bae7e562 730 Int_t i;
731 Bool_t bg = kFALSE;
58005f18 732
bae7e562 733 cout << endl;
734 for(i=0;i<30;i++) cout << "*";cout << " ITSv5_Init ";
735 for(i=0;i<30;i++) cout << "*";cout << endl;
736//
737 if(fITSgeom==0) bg = kTRUE;
738 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
739 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
740 if(fGeomDetIn && !fGeomOldDetIn){
741 if(fITSgeom!=0) delete fITSgeom;
742 fITSgeom = new AliITSgeom();
743 fITSgeom->ReadNewFile(fRead);
744 } // end if
745 if(fGeomDetIn && fGeomOldDetIn) ReadOldGeometry(fEuclidGeometry.Data());
746
747 if(!fGeomDetIn) this->InitAliITSgeom();
748 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
749 if(bg) BuildGeometry(); // call BuildGeometry here if fITSgeom was not
750 // defined ealier
58005f18 751 AliITS::Init();
bae7e562 752//
753 for(i=0;i<72;i++) cout << "*";
754 cout << endl;
755}
fe4da5cc 756//_____________________________________________________________________________
58005f18 757void AliITSv5::StepManager(){
fc0f0f90 758////////////////////////////////////////////////////////////////////////
759// Called for every step in the ITS, then calles the AliITShit class
760// creator with the information to be recoreded about that hit.
761// The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
762// printing of information to a file which can be used to create a .det
763// file read in by the routine CreateGeometry(). If set to 0 or any other
764// value except 1, the default behavior, then no such file is created nor
765// it the extra variables and the like used in the printing allocated.
766////////////////////////////////////////////////////////////////////////
58005f18 767 Int_t copy, id;
768 Int_t copy1,copy2;
769 Float_t hits[8];
770 Int_t vol[4];
0a6d8768 771 TLorentzVector position, momentum;
58005f18 772 TClonesArray &lhits = *fHits;
fe4da5cc 773 //
58005f18 774 // Track status
775 vol[3] = 0;
776 if(gMC->IsTrackInside()) vol[3] += 1;
777 if(gMC->IsTrackEntering()) vol[3] += 2;
778 if(gMC->IsTrackExiting()) vol[3] += 4;
779 if(gMC->IsTrackOut()) vol[3] += 8;
780 if(gMC->IsTrackDisappeared()) vol[3] += 16;
781 if(gMC->IsTrackStop()) vol[3] += 32;
782 if(gMC->IsTrackAlive()) vol[3] += 64;
783 //
784 // Fill hit structure.
785 if(!(gMC->TrackCharge())) return;
786 //
787 // Only entering charged tracks
788 if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
789 vol[0] = 1;
790 id = gMC->CurrentVolOffID(0,copy);
791 //detector copy in the ladder = 1<->4 (ITS1)
792 vol[1] = copy;
793 gMC->CurrentVolOffID(1,copy1);
794 //ladder copy in the module = 1<->2 (I186)
795 gMC->CurrentVolOffID(2,copy2);
796 //module copy in the layer = 1<->10 (I132)
797 vol[2] = copy1+(copy2-1)*2;//# of ladders in one module = 2
798 } else if(id == fIdSens[1]){
799 vol[0] = 2;
800 id = gMC->CurrentVolOffID(0,copy);
801 //detector copy in the ladder = 1<->4 (ITS2)
802 vol[1] = copy;
803 gMC->CurrentVolOffID(1,copy1);
804 //ladder copy in the module = 1<->4 (I131)
805 gMC->CurrentVolOffID(2,copy2);
806 //module copy in the layer = 1<->10 (I132)
807 vol[2] = copy1+(copy2-1)*4;//# of ladders in one module = 4
808 } else if(id == fIdSens[2]){
809 vol[0] = 3;
810 id = gMC->CurrentVolOffID(1,copy);
811 //detector copy in the ladder = 1<->5 (ITS3 is inside I314)
812 vol[1] = copy;
813 id = gMC->CurrentVolOffID(2,copy);
814 //ladder copy in the layer = 1<->12 (I316)
815 vol[2] = copy;
816 } else if(id == fIdSens[3]){
817 vol[0] = 4;
818 id = gMC->CurrentVolOffID(1,copy);
819 //detector copy in the ladder = 1<->8 (ITS4 is inside I414)
820 vol[1] = copy;
821 id = gMC->CurrentVolOffID(2,copy);
822 //ladder copy in the layer = 1<->22 (I417)
823 vol[2] = copy;
824 }else if(id == fIdSens[4]){
825 vol[0] = 5;
826 id = gMC->CurrentVolOffID(1,copy);
827 //detector copy in the ladder = 1<->23 (ITS5 is inside I562)
828 vol[1] = copy;
829 id = gMC->CurrentVolOffID(2,copy);
830 //ladder copy in the layer = 1<->34 (I565)
831 vol[2] = copy;
832 }else if(id == fIdSens[5]){
833 vol[0] = 6;
834 id = gMC->CurrentVolOffID(1,copy);
835 //detector copy in the ladder = 1<->26 (ITS6 is inside I566)
836 vol[1] = copy;
837 id = gMC->CurrentVolOffID(2,copy);
838 //ladder copy in the layer = 1<->38 (I569)
839 vol[2] = copy;
840 } else {
841 return; // not an ITS volume?
842 } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i])
843//
844 gMC->TrackPosition(position);
845 gMC->TrackMomentum(momentum);
846 hits[0]=position[0];
847 hits[1]=position[1];
848 hits[2]=position[2];
849 hits[3]=momentum[0];
850 hits[4]=momentum[1];
851 hits[5]=momentum[2];
852 hits[6]=gMC->Edep();
853 hits[7]=gMC->TrackTime();
854 // Fill hit structure with this new hit.
855 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
856 return;
fe4da5cc 857}