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Fixed a but when trying to use GEANT4. Needed to replace
[u/mrichter/AliRoot.git] / ITS / AliITSv5symm.cxx
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e5745edc 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$Log$
9a4c6ea3 18Revision 1.6 2001/02/09 20:06:26 nilsen
19Fixed bug in distructor. Can't distroy fixxed length arrays. Thanks Peter.
20
58e13d99 21Revision 1.5 2001/02/09 00:05:31 nilsen
22Added fMajor/MinorVersion variables and made other changes to better make
23use of the new code changes in AliITSgeom related classes.
24
bae7e562 25Revision 1.4 2001/02/02 23:57:29 nilsen
26Added include file that are no londer included in AliITSgeom.h
27
d953664a 28Revision 1.3 2001/01/30 09:23:13 hristov
29Streamers removed (R.Brun)
30
a8a6107b 31Revision 1.2 2000/11/30 11:13:11 barbera
32 Added changes suggested by Federico Carminati on nov, 30, 2000
33
a07ced09 34Revision 1.1 2000/10/07 15:46:29 barbera
35Version 5 of the geometry with symmetric services
36
e5745edc 37Revision 1.25 2000/10/05 20:50:00 nilsen
38Now using root generated streamers.
39
40Revision 1.14.4.12 2000/10/02 16:04:03 barbera
41Forward declarations added
42
43Revision 1.22 2000/07/10 16:07:19 fca
44Release version of ITS code
45
46Revision 1.14.4.4 2000/05/19 10:10:21 nilsen
47fix for bug with HP and Sun unix + fix for event display in ITS-working branch
48
49Revision 1.14.4.3 2000/03/04 23:46:38 nilsen
50Fixed up the comments/documentation.
51
52Revision 1.14.4.2 2000/03/02 21:53:02 nilsen
53To make it compatable with the changes in AliRun/AliModule.
54
55Revision 1.14.4.1 2000/01/12 19:03:33 nilsen
56This is the version of the files after the merging done in December 1999.
57See the ReadMe110100.txt file for details
58
59Revision 1.14 1999/10/22 08:16:49 fca
60Correct destructors, thanks to I.Hrivnacova
61
62Revision 1.13 1999/10/06 10:15:19 fca
63Correct bug in allocation of layer name and add destructor
64
65Revision 1.12 1999/10/05 08:05:09 fca
66Minor corrections for uninitialised variables.
67
68Revision 1.11 1999/09/29 09:24:20 fca
69Introduction of the Copyright and cvs Log
70
71*/
72
73///////////////////////////////////////////////////////////////////////////////
74//
75// Inner Traking System version 5 with symmetric services
76// This class contains the base procedures for the Inner Tracking System
77//
78// Authors: R. Barbera, B. S. Nilsen.
79// version 5.
80// Created October 7 2000.
81//
82///////////////////////////////////////////////////////////////////////////////
d953664a 83#include <iostream.h>
84#include <iomanip.h>
e5745edc 85#include <stdio.h>
86#include <stdlib.h>
87#include <TMath.h>
88#include <TGeometry.h>
89#include <TNode.h>
90#include <TTUBE.h>
91#include <TFile.h> // only required for Tracking function?
92#include <TCanvas.h>
93#include <TObjArray.h>
a07ced09 94#include <TLorentzVector.h>
e5745edc 95#include <TObjString.h>
96#include <TClonesArray.h>
97#include <TBRIK.h>
98#include <TSystem.h>
99
100#include "AliMC.h"
101#include "AliRun.h"
e5745edc 102#include "../TGeant3/TGeant3.h"
e5745edc 103#include "AliITShit.h"
bae7e562 104#include "AliITSGeant3Geometry.h"
e5745edc 105#include "AliITS.h"
106#include "AliITSv5symm.h"
107#include "AliITSgeom.h"
bae7e562 108#include "AliITSgeomSPD.h"
109#include "AliITSgeomSDD.h"
110#include "AliITSgeomSSD.h"
e5745edc 111
112ClassImp(AliITSv5symm)
113
114//_____________________________________________________________________________
115AliITSv5symm::AliITSv5symm() {
116////////////////////////////////////////////////////////////////////////
117// Standard default constructor for the ITS version 5.
118////////////////////////////////////////////////////////////////////////
bae7e562 119 Int_t i;
e5745edc 120
121 fIdN = 0;
122 fIdName = 0;
123 fIdSens = 0;
bae7e562 124 fEuclidOut = kFALSE; // Don't write Euclide file
125 fGeomDetOut = kFALSE; // Don't write .det file
9a4c6ea3 126 fGeomDetIn = kTRUE; // Read .det file
bae7e562 127 fGeomOldDetIn = kTRUE; // Read old formatted .det file
128 fMajorVersion = IsVersion();
129 fMinorVersion = 2;
130 for(i=0;i<60;i++) fRead[i] = '\0';
131 for(i=0;i<60;i++) fWrite[i] = '\0';
132 for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
133}
134//_____________________________________________________________________________
135AliITSv5symm::AliITSv5symm(const char *name, const char *title) : AliITS(name, title){
136/////////////////////////////////////////////////////////////////////////////
137// Standard constructor for the ITS version 5 with symmetrical services.
138/////////////////////////////////////////////////////////////////////////////
139 Int_t i;
140
141 fIdN = 6;
142 fIdName = new TString[fIdN];
143 fIdName[0] = "ITS1";
144 fIdName[1] = "ITS2";
145 fIdName[2] = "ITS3";
146 fIdName[3] = "ITS4";
147 fIdName[4] = "ITS5";
148 fIdName[5] = "ITS6";
149 fIdSens = new Int_t[fIdN];
150 for (i=0;i<fIdN;i++) fIdSens[i] = 0;
151 fEuclidOut = kFALSE; // Don't write Euclide file
152 fGeomDetOut = kFALSE; // Don't write .det file
9a4c6ea3 153 fGeomDetIn = kTRUE; // Read .det file
bae7e562 154 fGeomOldDetIn = kTRUE; // Read old formatted .det file
155 fMajorVersion = IsVersion();
156 fMinorVersion = 2;
157 for(i=0;i<60;i++) fRead[i] = '\0';
158 for(i=0;i<60;i++) fWrite[i] = '\0';
159
160 fEuclidMaterial = "$ALICE_ROOT/Euclid/ITSgeometry_5symm.tme";
161 fEuclidGeometry = "$ALICE_ROOT/Euclid/ITSgeometry_5symm.euc";
162 strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_v5symm.det",60);
163 strncpy(fRead,fEuclidGeomDet,60);
164 strncpy(fWrite,fEuclidGeomDet,60);
e5745edc 165}
166//____________________________________________________________________________
167AliITSv5symm::AliITSv5symm(const AliITSv5symm &source){
168////////////////////////////////////////////////////////////////////////
169// Copy Constructor for ITS version 5.
170////////////////////////////////////////////////////////////////////////
171 if(&source == this) return;
bae7e562 172 Warning("Copy Constructor","Not allowed to copy AliITSv5symm");
e5745edc 173 return;
174}
175//_____________________________________________________________________________
176AliITSv5symm& AliITSv5symm::operator=(const AliITSv5symm &source){
177////////////////////////////////////////////////////////////////////////
bae7e562 178// Assignment operator for the ITS version 5.
e5745edc 179////////////////////////////////////////////////////////////////////////
180
181 if(&source == this) return *this;
bae7e562 182 Warning("= operator","Not allowed to copy AliITSv5symm");
e5745edc 183 return *this;
184
185}
186//_____________________________________________________________________________
187AliITSv5symm::~AliITSv5symm() {
188////////////////////////////////////////////////////////////////////////
189// Standard destructor for the ITS version 5.
190////////////////////////////////////////////////////////////////////////
e5745edc 191}
192//_____________________________________________________________________________
193void AliITSv5symm::BuildGeometry(){
194////////////////////////////////////////////////////////////////////////
195// Geometry builder for the ITS version 5.
196////////////////////////////////////////////////////////////////////////
197 //
198 // Build ITS TNODE geometry for event display using detailed geometry.
199 // This function builds a simple ITS geometry used by the ROOT macro
200 // ITSdisplay.C.
201
202 TNode *top;
203 TNode *nd;
204 //const int kColorITSSPD=kRed;
205 //const int kColorITSSDD=kGreen;
206 const int kColorITSSSD=kBlue;
207 //
e5745edc 208 AliITSgeom *gm = this->GetITSgeom();
9a4c6ea3 209 if(gm==0) return;
210 top=gAlice->GetGeometry()->GetNode("alice");
e5745edc 211
212 Int_t lay,lad,det,i;
213 Text_t name[10];
214 Float_t xg[3];
215 Float_t rt[9];
216 Double_t rtd[9];
217 TBRIK *box;
218 TRotMatrix *rm;
219 //TCanvas *c1 = new TCanvas("c1","ITS");
220
221 for(lay=1;lay<=2;lay++)
222 for(lad=1;lad<=gm->GetNladders(lay);lad++)
223 for(det=1;det<=gm->GetNdetectors(lay);det++){
224 try {
225 box = new TBRIK ("ActiveSPD","Active volume of SPD","SPD SI DET",
226 0.64,0.0075,4.19);
227 } catch (...) {
228 cout << "EXCEPTION in box = new TBRIK" << endl;
229 return;
230 }
231 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
232 gm->GetRotMatrix(lay,lad,det,rt);
233 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
234 for(i=0;i<9;i++) rtd[i] = rt[i];
235 try {
236 rm = new TRotMatrix(name,name,rtd);
237 } catch (...) {
238 cout << "EXCEPTION in new TRotMatrix" << endl;
239 return;
240 }
241 top->cd();
242 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
243 try {
244 nd = new TNode("SPD"," ",box,xg[0],xg[1],xg[2],rm);
245 } catch (...) {
246 cout << "EXCEPTION in new TNode" << endl;
247 return;
248 }
249 nd->SetLineColor(kColorITSSSD);
250 fNodes->Add(nd);
251 }
252
253 for(lay=3;lay<=3;lay++)
254 for(lad=1;lad<=gm->GetNladders(lay);lad++)
255 for(det=1;det<=gm->GetNdetectors(lay);det++){
256 try {
257 box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET",
258 3.5,0.014,3.763);
259 } catch (...) {
260 cout << "EXCEPTION in box = new TBRIK" << endl;
261 return;
262 }
263 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
264 gm->GetRotMatrix(lay,lad,det,rt);
265 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
266 for(i=0;i<9;i++) rtd[i] = rt[i];
267 try {
268 rm = new TRotMatrix(name,name,rtd);
269 } catch (...) {
270 cout << "EXCEPTION in new TRotMatrix" << endl;
271 return;
272 }
273 top->cd();
274 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
275 try {
276 nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm);
277 } catch (...) {
278 cout << "EXCEPTION in new TNode" << endl;
279 return;
280 }
281 nd->SetLineColor(kColorITSSSD);
282 fNodes->Add(nd);
283 }
284
285 for(lay=4;lay<=4;lay++)
286 for(lad=1;lad<=gm->GetNladders(lay);lad++)
287 for(det=1;det<=gm->GetNdetectors(lay);det++){
288 try {
289 box = new TBRIK ("ActiveSDD","Active volume of SDD","SDD SI DET",
290 3.5,0.014,3.763);
291 } catch (...) {
292 cout << "EXCEPTION in box = new TBRIK" << endl;
293 return;
294 }
295 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
296 gm->GetRotMatrix(lay,lad,det,rt);
297 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
298 for(i=0;i<9;i++) rtd[i] = rt[i];
299 try {
300 rm = new TRotMatrix(name,name,rtd);
301 } catch (...) {
302 cout << "EXCEPTION in new TRotMatrix" << endl;
303 return;
304 }
305 top->cd();
306 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
307 try {
308 nd = new TNode("SDD"," ",box,xg[0],xg[1],xg[2],rm);
309 } catch (...) {
310 cout << "EXCEPTION in new TNode" << endl;
311 return;
312 }
313 nd->SetLineColor(kColorITSSSD);
314 fNodes->Add(nd);
315 }
316 for(lay=5;lay<=5;lay++)
317 for(lad=1;lad<=gm->GetNladders(lay);lad++)
318 for(det=1;det<=gm->GetNdetectors(lay);det++){
319 try {
320 box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET",
321 3.65,0.015,2.0);
322 } catch (...) {
323 cout << "EXCEPTION in box = new TBRIK" << endl;
324 return;
325 }
326 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
327 gm->GetRotMatrix(lay,lad,det,rt);
328 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
329 for(i=0;i<9;i++) rtd[i] = rt[i];
330 try {
331 rm = new TRotMatrix(name,name,rtd);
332 } catch (...) {
333 cout << "EXCEPTION in new TRotMatrix" << endl;
334 return;
335 }
336 top->cd();
337 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
338 try {
339 nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm);
340 } catch (...) {
341 cout << "EXCEPTION in new TNode" << endl;
342 return;
343 }
344 nd->SetLineColor(kColorITSSSD);
345 fNodes->Add(nd);
346 }
347
348 for(lay=6;lay<=6;lay++)
349 for(lad=1;lad<=gm->GetNladders(lay);lad++)
350 for(det=1;det<=gm->GetNdetectors(lay);det++){
351 try {
352 box = new TBRIK ("ActiveSSD","Active volume of SSD","SSD SI DET",
353 3.65,0.015,2.0);
354 } catch (...) {
355 cout << "EXCEPTION in box = new TBRIK" << endl;
356 return;
357 }
358
359 gm->GetTrans(lay,lad,det,xg[0],xg[1],xg[2]);
360 gm->GetRotMatrix(lay,lad,det,rt);
361 //sprintf(name,"ROT%1.1d2.2d2.2d",lay,lad,det);
362 for(i=0;i<9;i++) rtd[i] = rt[i];
363 try {
364 rm = new TRotMatrix(name,name,rtd);
365 } catch (...) {
366 cout << "EXCEPTION in new TRotMatrix" << endl;
367 return;
368 }
369 top->cd();
370 //sprintf(name,"ND%1.1d2.2d2.2d",lay,lad,det);
371 try {
372 nd = new TNode("SSD"," ",box,xg[0],xg[1],xg[2],rm);
373 } catch (...) {
374 cout << "EXCEPTION in new TNode" << endl;
375 return;
376 }
377 nd->SetLineColor(kColorITSSSD);
378 fNodes->Add(nd);
379 }
380
381
382}
383//_____________________________________________________________________________
384void AliITSv5symm::CreateMaterials(){
385////////////////////////////////////////////////////////////////////////
386// Read a file containing the materials for the ITS version 5.
387////////////////////////////////////////////////////////////////////////
388 char *filtmp;
389
390 filtmp = gSystem->ExpandPathName(fEuclidMaterial.Data());
391
392 FILE *file = fopen(filtmp,"r");
393 if(file) {
394 fclose(file);
395 ReadEuclidMedia(filtmp);
396 } else {
397 Error("CreateMaterials"," THE MEDIA FILE %s DOES NOT EXIST !",filtmp);
398 exit(1);
399 } // end if(file)
400}
401//_____________________________________________________________________________
402void AliITSv5symm::CreateGeometry(){
403//////////////////////////////////////////////////////////////////////
404// This is the geometry used for the ITS Pre-TDR and comes from an
405// Euclid to Geant conversion. The only difference
406// is in the details of the ITS supports. The detectors elements,
407// detector numbering, and local and global reference frames are shown in
408// the following figures.
409//Begin_Html
410/*
411<img src="picts/ITS/its1+2_convention_front_5.gif">
412</pre>
413<br clear=left>
414<font size=+2 color=red>
415<p>This shows the front view of the SPDs.
416</font>
417<pre>
418<img src="picts/ITS/its1+2_convention_side_5.gif">
419</pre>
420<br clear=left>
421<font size=+2 color=red>
422<p>This shows the perspective view of the SPDs.
423</font>
424<img src="picts/ITS/its1+2_tree.gif">
425</pre>
426<br clear=left>
427<font size=+2 color=red>
428<p>This shows the geometry Tree for the SPDs.
429</font>
430<pre>
431
432<pre>
433<img src="picts/ITS/its3+4_convention_front_5.gif">
434</pre>
435<br clear=left>
436<font size=+2 color=red>
437<p>This shows the front view of the SDDs.
438</font>
439<pre>
440<img src="picts/ITS/its3+4_convention_side_5.gif">
441</pre>
442<br clear=left>
443<font size=+2 color=red>
444<p>This shows the perspective view of the SDDs.
445</font>
446<img src="picts/ITS/its3+4_tree.gif">
447</pre>
448<br clear=left>
449<font size=+2 color=red>
450<p>This shows the geometry Tree for the SDDs.
451</font>
452<pre>
453
454<pre>
455<img src="picts/ITS/its5+6_convention_front_5.gif">
456</pre>
457<br clear=left>
458<font size=+2 color=red>
459<p>This shows the front view of the SSDs.
460</font>
461<pre>
462<img src="picts/ITS/its5+6_convention_side_5.gif">
463</pre>
464<br clear=left>
465<font size=+2 color=red>
466<p>This shows the perspective view of the SSDs.
467</font>
468<pre>
469<img src="picts/ITS/its5+6_tree.gif">
470</pre>
471<br clear=left>
472<font size=+2 color=red>
473<p>This shows the geometry Tree for the SSDs.
474</font>
475<pre>
476
477
478<img src="picts/ITS/its_layer1-6_2.gif">
479</pre>
480<br clear=left>
481<font size=+2 color=red>
482<p>This shows the front view of the whole ITS..
483</font>
484<pre>
485
486<img src="picts/ITS/its_layer1-6_1.gif">
487</pre>
488<br clear=left>
489<font size=+2 color=red>
490<p>This shows the perspective view of the whole ITS..
491</font>
492<pre>
493
494<img src="picts/ITS/its1-6_tree.gif">
495</pre>
496<br clear=left>
497<font size=+2 color=red>
498<p>This shows the geometry Tree for the whole ITS.
499</font>
500<pre>
501*/
502//End_Html
503//
504//
505// Here are shown the details of the ITS support cones and services.
506// First is a GEANT tree showing the organization of all of the volumes
507// that make up the ITS supports and services.
508//Begin_Html
509/*
510<img src="picts/ITS/supports_tree.gif">
511 */
512//End_Html
513// What follows are a number of figures showing what these support
514// structures look like.
515//Begin_Html
516/*
517
518<img src="picts/ITS/supports_3.gif">
519</pre>
520<br clear=left>
521<font size=+2 color=red>
522<p>This shows the geometry of the supports for the Drift and Strip layers only.
523</font>
524<pre>
525
526<img src="picts/ITS/supports_2.gif">
527</pre>
528<br clear=left>
529<font size=+2 color=red>
530<p>This shows the geometry of the supports for the Drift and Strip layers in front cut out.
531</font>
532<pre>
533
534<img src="picts/ITS/supports_1.gif">
535</pre>
536<br clear=left>
537<font size=+2 color=red>
538<p>This shows the geometry of the supports for the Drift and Strip layers in a back cut out..
539</font>
540<pre>
541
542<img src="picts/ITS/suppssd.gif">
543</pre>
544<br clear=left>
545<font size=+2 color=red>
546<p>This shows the geometry for the Strip layers supports.
547</font>
548<pre>
549
550<img src="picts/ITS/suppsdd.gif">
551</pre>
552<br clear=left>
553<font size=+2 color=red>
554<p>This shows the geometry for the Drift layers supports.
555</font>
556<pre>
557 */
558//End_Html
559//
560// Read a file containing the geometry for the ITS version 5.
561////////////////////////////////////////////////////////////////////////
e5745edc 562 char topvol[5];
563 char *filtmp;
564
565 filtmp = gSystem->ExpandPathName(fEuclidGeometry.Data());
566 FILE *file = fopen(filtmp,"r");
567 delete [] filtmp;
568 if(file) {
569 fclose(file);
570 printf("Ready to read Euclid geometry file\n");
571 ReadEuclid(fEuclidGeometry.Data(),topvol);
572 printf("Read in euclid geometries\n");
573 } else {
574 Error("CreateGeometry"," THE GEOM FILE %s DOES NOT EXIST !",
575 fEuclidGeometry.Data());
576 exit(1);
577 } // end if(file)
578 //
579 // Place the ITS ghost volume ITSV in its mother volume (ALIC) and make it
580 // invisible
581 //
582 gMC->Gspos("ITSV",1,"ALIC",0,0,0,0,"ONLY");
583 //
584 // Outputs the geometry tree in the EUCLID/CAD format if requested to do so
585
586 if (fEuclidOut) {
587 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
588 } // end if (fEuclidOut)
bae7e562 589 cout << "finished with euclid geometrys" << endl;
590}
591//______________________________________________________________________
592void AliITSv5symm::ReadOldGeometry(const char *filename){
e5745edc 593 // read in the file containing the transformations for the active
594 // volumes for the ITS version 5. This is expected to be in a file
595 // ending in .det. This geometry is kept in the AliITSgeom class.
bae7e562 596 Int_t size;
597 char *filtmp;
598 FILE *file;
599
600 filtmp = gSystem->ExpandPathName(filename);
e5745edc 601 size = strlen(filtmp);
bae7e562 602 if(size>4 && fGeomDetIn){
603 filtmp[size-3] = 'd'; // change from .euc to .det
e5745edc 604 filtmp[size-2] = 'e';
605 filtmp[size-1] = 't';
bae7e562 606 file = fopen(filtmp,"r");
607 if(file){ // if file exists use it to fill AliITSgeom structure.
608 fclose(file);
609 fITSgeom = new AliITSgeom(filtmp);
610 fITSgeom->DefineShapes(3); // if fShape isn't defined define it.
611 // Now define the detector types/shapes.
612 fITSgeom->ReSetShape(kSPD,(TObject *) new AliITSgeomSPD300());
613 fITSgeom->ReSetShape(kSDD,(TObject *) new AliITSgeomSDD300());
614 fITSgeom->ReSetShape(kSSD,(TObject *) new AliITSgeomSSD());
615 }else{
616 fITSgeom = 0;
617 // fill AliITSgeom structure from geant structure just filled above
618 }// end if(file)
e5745edc 619 delete [] filtmp;
620 }// end if(size>4)
bae7e562 621}
622//______________________________________________________________________
623void AliITSv5symm::InitAliITSgeom(){
624// Based on the geometry tree defined in Geant 3.21, this
625// routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
626// sturture.
9a4c6ea3 627 if(!(dynamic_cast<TGeant3*>(gMC))) {
bae7e562 628 Error("InitAliITSgeom",
629 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
630 return;
631 } // end if
632 cout << "Reading Geometry transformation directly from Geant 3." << endl;
633 const Int_t nlayers = 6;
634 const Int_t ndeep = 7;
635 Int_t itsGeomTreeNames[nlayers][ndeep],lnam[20],lnum[20];
636 Int_t nlad[nlayers],ndet[nlayers];
637 Double_t t[3],r[10];
638 Float_t par[20],att[20];
639 Int_t npar,natt,idshape,imat,imed;
640 AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
641 Int_t mod,lay,lad,det,i,j,k;
642 char *names[nlayers][ndeep] = {
643 {"ALIC","ITSV","ITSD","IT12","I132","I186","ITS1"}, // lay=1
644 {"ALIC","ITSV","ITSD","IT12","I132","I131","ITS2"}, // lay=2
645 {"ALIC","ITSV","ITSD","IT34","I004","I302","ITS3"}, // lay=3
646 {"ALIC","ITSV","ITSD","IT34","I005","I402","ITS4"}, // lay=4
647 {"ALIC","ITSV","ITSD","IT56","I565","I562","ITS5"}, // lay=5
648 {"ALIC","ITSV","ITSD","IT56","I569","I566","ITS6"}};// lay=6
649 Int_t itsGeomTreeCopys[nlayers][ndeep] = {{1,1,1,1,10, 2,4}, // lay=1
650 {1,1,1,1,10, 4,4}, // lay=2
651 {1,1,1,1,14, 6,1}, // lay=3
652 {1,1,1,1,22, 8,1}, // lay=4
653 {1,1,1,1,34,23,1}, // lay=5
654 {1,1,1,1,38,26,1}};// lay=6
655
656 // Sorry, but this is not very pritty code. It should be replaced
657 // at some point with a version that can search through the geometry
658 // tree its self.
659 cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
660 for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
661 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++)
662 itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
663 mod = 0;
664 for(i=0;i<nlayers;i++){
665 k = 1;
666 for(j=0;j<ndeep;j++) if(itsGeomTreeCopys[i][j]!=0)
667 k *= TMath::Abs(itsGeomTreeCopys[i][j]);
668 mod += k;
669 } // end for i
670
671 if(fITSgeom!=0) delete fITSgeom;
672 nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
673 ndet[0]=4;ndet[1]=4;ndet[2]=6;ndet[3]=8;ndet[4]=22;ndet[5]=25;
674 fITSgeom = new AliITSgeom(0,6,nlad,ndet,mod);
675 mod = -1;
676 for(lay=1;lay<=nlayers;lay++){
677 for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[lay-1][j];
678 for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[lay-1][j];
679 switch (lay){
680 case 1: case 2: // layers 1 and 2 are a bit special
681 lad = 0;
682 for(j=1;j<=itsGeomTreeCopys[lay-1][4];j++){
683 lnum[4] = j;
684 for(k=1;k<=itsGeomTreeCopys[lay-1][5];k++){
685 lad++;
686 lnum[5] = k;
687 for(det=1;det<=itsGeomTreeCopys[lay-1][6];det++){
688 lnum[6] = det;
689 mod++;
690 ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,
691 par,att,imat,imed);
692 fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
693 if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
694 if(fMinorVersion==1){
695 fITSgeom->ReSetShape(kSPD,
696 new AliITSgeomSPD300());
697 } else if(fMinorVersion==2)
698 fITSgeom->ReSetShape(kSPD,
699 new AliITSgeomSPD300());
700 } // end for det
701 } // end for k
702 } // end for j
703 break;
704 case 3: case 4: case 5: case 6: // layers 3-6
705 lnum[6] = 1;
706 for(lad=1;lad<=itsGeomTreeCopys[lay-1][4];lad++){
707 lnum[4] = lad;
708 for(det=1;det<=itsGeomTreeCopys[lay-1][5];det++){
709 lnum[5] = det;
710 mod++;
711 ig->GetGeometry(7,lnam,lnum,t,r,idshape,npar,natt,
712 par,att,imat,imed);
713 switch (lay){
714 case 3: case 4:
715 fITSgeom->CreatMatrix(mod,lay,lad,det,kSDD,t,r);
716 if(!(fITSgeom->IsShapeDefined(kSDD)))
717 fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD300());
718 break;
719 case 5: case 6:
720 fITSgeom->CreatMatrix(mod,lay,lad,det,kSSD,t,r);
721 if(!(fITSgeom->IsShapeDefined(kSSD)))
722 fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD175());
723 break;
724 } // end switch
725 } // end for det
726 } // end for lad
727 break;
728 } // end switch
729 } // end for lay
730 return;
e5745edc 731}
732//_____________________________________________________________________________
733void AliITSv5symm::Init(){
734////////////////////////////////////////////////////////////////////////
735// Initialise the ITS after it has been created.
736////////////////////////////////////////////////////////////////////////
bae7e562 737 Int_t i;
9a4c6ea3 738 Bool_t bg = kFALSE;
e5745edc 739
bae7e562 740 cout << endl;
741 for(i=0;i<30;i++) cout << "*";cout << " ITSv5_Init ";
742 for(i=0;i<30;i++) cout << "*";cout << endl;
743//
9a4c6ea3 744 if(fITSgeom==0) bg = kTRUE;
bae7e562 745 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
746 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
747 if(fITSgeom!=0) delete fITSgeom;
748 fITSgeom = new AliITSgeom();
749 if(fGeomDetIn && !fGeomOldDetIn) fITSgeom->ReadNewFile(fRead);
750 if(fGeomDetIn && fGeomOldDetIn) this->ReadOldGeometry(fRead);
751
752 if(!fGeomDetIn) this->InitAliITSgeom();
753 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
9a4c6ea3 754 if(bg) BuildGeometry(); // call BuildGeometry here if fITSgeom was not
755 // defined ealier.
e5745edc 756 AliITS::Init();
bae7e562 757//
758 for(i=0;i<72;i++) cout << "*";
759 cout << endl;
e5745edc 760}
761//_____________________________________________________________________________
762void AliITSv5symm::StepManager(){
763////////////////////////////////////////////////////////////////////////
764// Called for every step in the ITS, then calles the AliITShit class
765// creator with the information to be recoreded about that hit.
766// The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
767// printing of information to a file which can be used to create a .det
768// file read in by the routine CreateGeometry(). If set to 0 or any other
769// value except 1, the default behavior, then no such file is created nor
770// it the extra variables and the like used in the printing allocated.
771////////////////////////////////////////////////////////////////////////
772 Int_t copy, id;
773 Int_t copy1,copy2;
774 Float_t hits[8];
775 Int_t vol[4];
776 TLorentzVector position, momentum;
777 TClonesArray &lhits = *fHits;
e5745edc 778 //
779 // Track status
780 vol[3] = 0;
781 if(gMC->IsTrackInside()) vol[3] += 1;
782 if(gMC->IsTrackEntering()) vol[3] += 2;
783 if(gMC->IsTrackExiting()) vol[3] += 4;
784 if(gMC->IsTrackOut()) vol[3] += 8;
785 if(gMC->IsTrackDisappeared()) vol[3] += 16;
786 if(gMC->IsTrackStop()) vol[3] += 32;
787 if(gMC->IsTrackAlive()) vol[3] += 64;
788 //
789 // Fill hit structure.
790 if(!(gMC->TrackCharge())) return;
791 //
792 // Only entering charged tracks
793 if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
794 vol[0] = 1;
795 id = gMC->CurrentVolOffID(0,copy);
796 //detector copy in the ladder = 1<->4 (ITS1)
797 vol[1] = copy;
798 gMC->CurrentVolOffID(1,copy1);
799 //ladder copy in the module = 1<->2 (I186)
800 gMC->CurrentVolOffID(2,copy2);
801 //module copy in the layer = 1<->10 (I132)
802 vol[2] = copy1+(copy2-1)*2;//# of ladders in one module = 2
803 } else if(id == fIdSens[1]){
804 vol[0] = 2;
805 id = gMC->CurrentVolOffID(0,copy);
806 //detector copy in the ladder = 1<->4 (ITS2)
807 vol[1] = copy;
808 gMC->CurrentVolOffID(1,copy1);
809 //ladder copy in the module = 1<->4 (I131)
810 gMC->CurrentVolOffID(2,copy2);
811 //module copy in the layer = 1<->10 (I132)
812 vol[2] = copy1+(copy2-1)*4;//# of ladders in one module = 4
813 } else if(id == fIdSens[2]){
814 vol[0] = 3;
815 id = gMC->CurrentVolOffID(1,copy);
816 //detector copy in the ladder = 1<->5 (ITS3 is inside I314)
817 vol[1] = copy;
818 id = gMC->CurrentVolOffID(2,copy);
819 //ladder copy in the layer = 1<->12 (I316)
820 vol[2] = copy;
821 } else if(id == fIdSens[3]){
822 vol[0] = 4;
823 id = gMC->CurrentVolOffID(1,copy);
824 //detector copy in the ladder = 1<->8 (ITS4 is inside I414)
825 vol[1] = copy;
826 id = gMC->CurrentVolOffID(2,copy);
827 //ladder copy in the layer = 1<->22 (I417)
828 vol[2] = copy;
829 }else if(id == fIdSens[4]){
830 vol[0] = 5;
831 id = gMC->CurrentVolOffID(1,copy);
832 //detector copy in the ladder = 1<->23 (ITS5 is inside I562)
833 vol[1] = copy;
834 id = gMC->CurrentVolOffID(2,copy);
835 //ladder copy in the layer = 1<->34 (I565)
836 vol[2] = copy;
837 }else if(id == fIdSens[5]){
838 vol[0] = 6;
839 id = gMC->CurrentVolOffID(1,copy);
840 //detector copy in the ladder = 1<->26 (ITS6 is inside I566)
841 vol[1] = copy;
842 id = gMC->CurrentVolOffID(2,copy);
843 //ladder copy in the layer = 1<->38 (I569)
844 vol[2] = copy;
845 } else {
846 return; // not an ITS volume?
847 } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i])
848//
849 gMC->TrackPosition(position);
850 gMC->TrackMomentum(momentum);
851 hits[0]=position[0];
852 hits[1]=position[1];
853 hits[2]=position[2];
854 hits[3]=momentum[0];
855 hits[4]=momentum[1];
856 hits[5]=momentum[2];
857 hits[6]=gMC->Edep();
858 hits[7]=gMC->TrackTime();
859 // Fill hit structure with this new hit.
860 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
e5745edc 861 return;
862}