1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.3 2002/10/23 06:47:56 alibrary
19 Introducing Riostream.h
21 Revision 1.2 2002/10/14 14:55:34 hristov
22 Merging the VirtualMC branch to the main development branch (HEAD)
24 Revision 1.1.2.1 2002/10/10 14:40:31 hristov
25 Updating VirtualMC to v3-09-02
27 Revision 1.1 2002/10/07 11:22:53 gamez
28 First version, stand alone detector
33 ///////////////////////////////////////////////////////////////////////////////
35 // ALICE Cosmic Ray Trigger //
37 // This class contains the functions for version 0 of the ALICE Cosmic Ray //
38 // Trigger. This vesion is suposed to work as standalone module //
43 // Arturo Fernandez <afernand@fcfm.buap.mx>
44 // Enrique Gamez <egamez@fcfm.buap.mx>
46 // Universidad Autonoma de Puebla
51 <img src="picts/AliCRTv1Class.gif">
54 <p>The responsible person for this module is
55 <a href="mailto:egamez@fcfm.buap.mx">Enrique Gamez</a>.
61 ///////////////////////////////////////////////////////////////////////////////
63 #include <Riostream.h>
65 #include <TGeometry.h>
68 #include <TLorentzVector.h>
76 #include "AliCRTConstants.h"
80 //_____________________________________________________________________________
81 AliCRTv1::AliCRTv1() : AliCRTv0()
84 // Default constructor for CRT
89 fMagnetStatus = kTRUE;
94 //_____________________________________________________________________________
95 AliCRTv1::AliCRTv1(const char *name, const char *title)
96 : AliCRTv0(name,title)
99 // Standard constructor for CRT
103 <img src="picts/AliCRTv1.gif">
109 fRICHStatus = kFALSE;
111 fMagnetStatus = kFALSE;
114 //_____________________________________________________________________________
115 AliCRTv1::AliCRTv1(const AliCRTv1& crt)
123 //_____________________________________________________________________________
124 AliCRTv1& AliCRTv1::operator= (const AliCRTv1& crt)
127 // Asingment operator
133 //_____________________________________________________________________________
134 void AliCRTv1::CreateGeometry()
137 // Create geometry for the CRT array
140 Int_t idrotm[2499]; // The rotation matrix.
142 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
146 this->CreateShafts();
150 this->CreateMolasse();
157 box[0] = AliCRTConstants::fgCageLenght/2.; // Half Length of the box along the X axis, cm.
158 box[1] = AliCRTConstants::fgCageHeight/2.; // Half Length of the box along the Y axis, cm.
159 box[2] = AliCRTConstants::fgCageWidth/2.; // Half Length of the box along the Z axis, cm.
162 // Create a big voluem with air barrel above the magnet
164 Float_t magnetSides = 3.;
165 Float_t planesPerpendicularToZ = 2.;
167 Float_t rMax = rMin + 20.; // 20 cm width
169 barrel[1] = 45*magnetSides;
170 barrel[2] = magnetSides;
171 barrel[3] = planesPerpendicularToZ;
178 gMC->Gsvolu("CRT4", "PGON", idtmed[1114], barrel, 10);
179 gMC->Gspos("CRT4", 1 , "CRT", 0., -30., 0., 0, "ONLY");
182 // Create the current sicuiitllator arry
183 // Define the Scintillators. as a big box.
185 scint[0] = AliCRTConstants::fgActiveAreaLenght/2.; // Half Length in X
186 scint[1] = AliCRTConstants::fgActiveAreaHeight/2.; // Half Length in Y
187 scint[2] = AliCRTConstants::fgActiveAreaWidth/2.; // Half Length in Z
188 gMC->Gsvolu("CRT1", "BOX ", idtmed[1112], scint, 3); // Scintillators
191 // we'll start dawing from the center.
196 Float_t gapY = 30.; // 30 cms. above the barrel.
197 // For the height we staimate the from the center of the ceiling,
198 // if were a cilinder, must be about 280cm.
199 Float_t barrelc = 790.; // Barrel radius.
200 Float_t height = barrelc + gapY - 30.;
201 Float_t initY = height;
205 // we'll start dawing from the center.
208 // Put 4 modules on the top of the magnet
210 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
211 gMC->Gspos("CRT1", i, "CRT", initX, initY, (i-step)*box[2], 0, "ONLY");
215 // Modules on the barrel sides.
216 // Because the openenig angle for each face is 22.5, and if we want to
217 // put the modules right in the middle
218 Float_t xtragap = 10.;
219 Float_t initXside = (height+xtragap)*TMath::Sin(2*22.5*kDegrad);//rigthside
220 Float_t initYside = (height+xtragap)*TMath::Cos(2*22.5*kDegrad);
222 // Put 4 modules on the left side of the magnet
223 // The rotation matrix parameters, for the left side.
224 AliMatrix(idrotm[232], 90., 315., 90., 45., 0., 337.5);
226 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
227 gMC->Gspos("CRT1", i+4, "CRT", initXside, initYside, (i-stepl)*box[2],
228 idrotm[232], "ONLY");
232 // Put 4 modules on the right side of the magnet
233 // The rotation matrix parameters for the right side.
234 AliMatrix(idrotm[231], 90., 45., 90., 315., 180., 202.5);
236 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
237 gMC->Gspos("CRT1", i+8, "CRT", -initXside, initYside, (i-stepr)*box[2],
238 idrotm[231], "ONLY");
242 this->CreateMagnetGeometry();
243 this->CreateRICHGeometry();
244 this->CreateTPCGeometry();
248 //_____________________________________________________________________________
249 void AliCRTv1::CreateMagnetGeometry()
252 cout<<"\n\n\tYou are requiring the CRT with the Magnet Activated!\n\n";
254 Int_t idrotm[2499]; // The rotation matrix.
256 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
258 // Disable the CRT StepManager method.
262 Float_t magnetSides = 3.;
263 Float_t planesPerpendicularToZ = 2.;
264 //Float_t rMin = 790.;
265 //Float_t rMax = rMin + 20.; // 20 cm width
268 // Create the upper faces of the magnet.
279 gMC->Gsvolu("C3MO", "PGON", idtmed[1114], barrel, 10);
280 gMC->Gspos("C3MO", 1, "CRT", 0., -30., 0., 0, "ONLY");
288 gMC->Gsvolu("C3CO", "PGON", idtmed[1108], barrel, 10); //Aluminium
289 gMC->Gspos("C3CO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
295 gMC->Gsvolu("C3C1", "PGON", idtmed[1128], barrel, 10);// Aluminium
296 gMC->Gspos("C3C1", 1, "C3MO", 0., 0., 0., 0, "ONLY");
304 gMC->Gsvolu("C3YO", "PGON", idtmed[1109], barrel, 10); // Iron
305 gMC->Gspos("C3YO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
308 // Now create one inside the magnet as L3C1
309 // voulme for tracking.
311 barrel[1] = 45*magnetSides;
312 barrel[2] = magnetSides;
313 barrel[3] = planesPerpendicularToZ;
320 gMC->Gsvolu("C3CI", "PGON", idtmed[1134], barrel, 10);
321 gMC->Gspos("C3CI", 1 , "CRT", 0., -30., 0., 0, "ONLY");
323 // And a detector layer in the door 10 cm thick
324 // Volume for tracking.
333 barrel[8] = barrel[5];
334 barrel[9] = barrel[6];
335 gMC->Gsvolu("C3C2", "PGON", idtmed[1154], barrel, 10); // Air
336 gMC->Gspos("C3C2", 1, "CRT", 0., -30., 0., 0, "ONLY");
337 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
338 gMC->Gspos("C3C2", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
346 barrel[8] = barrel[5];
347 barrel[9] = barrel[6];
348 gMC->Gsvolu("C3DO", "PGON", idtmed[1174], barrel, 10); // Air
349 gMC->Gspos("C3DO", 1, "CRT", 0., -30., 0., 0, "ONLY");
350 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
351 gMC->Gspos("C3DO", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
357 barrel[8] = barrel[5];
358 barrel[9] = barrel[6];
359 gMC->Gsvolu("C3FR", "PGON", idtmed[1149], barrel, 10); // Iron
360 gMC->Gspos("C3FR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
365 gMC->Gsvolu("C3IR", "PGON", idtmed[1149], barrel, 10); //Iron
366 gMC->Gspos("C3IR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
370 //_____________________________________________________________________________
371 void AliCRTv1::CreateTPCGeometry()
373 cout<<"\n\n\tYou are requiring the CRT with the TPC Activated!\n\n";
374 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
376 // Disable the CRT StepManager method.
378 // Disable the MAgnet
379 fMagnetStatus = kFALSE;
381 fRICHStatus = kFALSE;
384 // Tpc SAndwich 1 - Al
392 gMC->Gsvolu("CSA1","TUBS",idtmed[1154],tube,5);
393 // TSA1->TOCV (0.,0.,3.) ->TOIN (0.,0.,0.)->TPC (0.,0.,0.)->ALIC(0.,0.,0.)
394 gMC->Gspos("CSA1 ",1,"CRT",0.,0.,0.,0,"ONLY");
398 //_____________________________________________________________________________
399 void AliCRTv1::CreateRICHGeometry()
402 cout<<"\n\n\tYou are requiring the CRT with the RICH Activated!\n\n";
404 Int_t idrotm[2499]; // The rotation matrix.
406 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
408 // Disable the CRT StepManager method.
410 // Disable the MAgnet
411 fMagnetStatus = kFALSE;
414 // now create volume to simulate the HMPID volume. CSI
415 Float_t csi_length = 160*.8 + 2.6;
416 Float_t csi_width = 144*.84 + 2*2.6;
418 tbox[0] = csi_width/2;
420 tbox[2] = csi_length/2;
421 gMC->Gsvolu("CRIC ", "BOX ", idtmed[1174], tbox, 3);
423 Double_t dOffset = 490+1.267 - 8/2; // distance from center of mother volume ALIC to methane
425 Double_t dAlpha = 19.5; // angle between centers of chambers - y-z plane
426 Double_t dAlphaRad = dAlpha*kDegrad;
428 Double_t dBeta = 20.; // angle between center of chambers - y-x plane
429 Double_t dBetaRad = dBeta*kDegrad;
431 Double_t dRotAngle = 60.; // the whole RICH is to be rotated in x-y plane + means clockwise rotation
432 Double_t dRotAngleRad = dRotAngle*kDegrad;
435 TRotMatrix *pRotMatrix; // tmp pointer
437 TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
439 // Chamber 0 standalone (no other chambers in this row)
440 AliMatrix(idrotm[1000],90, -dRotAngle+360,90-dAlpha, 90-dRotAngle, dAlpha, -90+300);
441 pRotMatrix=new TRotMatrix("rot993","rot993",90,-dRotAngle, 90-dAlpha,90-dRotAngle,dAlpha, -90);
443 vector.SetXYZ(0,dOffset,0); vector.RotateX(dAlphaRad);
444 vector.RotateZ(-dRotAngleRad);
446 gMC->Gspos("CRIC",1,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
449 AliMatrix(idrotm[1001],90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle, 0,0);
451 pRotMatrix=new TRotMatrix("rot994","rot994",90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle,0,0);
453 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad);
454 vector.RotateZ(-dRotAngleRad);
456 gMC->Gspos("CRIC",2,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
458 // Chamber 2 the top one with no Alpha-Beta rotation
459 AliMatrix(idrotm[1002],90,-dRotAngle,90,90-dRotAngle,0,0);
461 pRotMatrix=new TRotMatrix("rot995","rot995",90,-dRotAngle,90,90-dRotAngle,0,0);
463 vector.SetXYZ(0,dOffset,0);
464 vector.RotateZ(-dRotAngleRad);
466 gMC->Gspos("CRIC",3,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
469 AliMatrix(idrotm[1003],90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
470 pRotMatrix=new TRotMatrix("rot996","rot996", 90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
472 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad);
473 vector.RotateZ(-dRotAngleRad);
475 gMC->Gspos("CRIC",4,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
478 AliMatrix(idrotm[1004],90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta-60);
479 pRotMatrix=new TRotMatrix("rot997","rot997",90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta);
481 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
482 vector.RotateZ(-dRotAngleRad);
484 gMC->Gspos("CRIC",5,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
487 AliMatrix(idrotm[1005],90,-dRotAngle+360,90+dAlpha,90-dRotAngle,dAlpha,90-60);
489 pRotMatrix=new TRotMatrix("rot998","rot998",90,-dRotAngle,90+dAlpha,90-dRotAngle,dAlpha,90);
491 vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
492 vector.RotateZ(-dRotAngleRad);
494 gMC->Gspos("CRIC",6,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
497 AliMatrix(idrotm[1006],90,dBeta-dRotAngle+360,108.2,90+dBeta-dRotAngle,18.2,90+dBeta-60);
499 pRotMatrix=new TRotMatrix("rot999","rot999",90,dBeta-dRotAngle,108.2,90+dBeta-dRotAngle,18.2,90+dBeta);
501 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad); vector.RotateX(-dAlphaRad);
502 vector.RotateZ(-dRotAngleRad);
504 gMC->Gspos("CRIC",7,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
508 //_____________________________________________________________________________
509 void AliCRTv1::CreateMolasse()
515 Int_t idrotm[2499]; // The rotation matrix.
517 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
523 // Exactly above the hall
526 tspar[1] = 1170. + 375.;
527 tspar[2] = (1900.+1150.)/2.+100.;
530 gMC->Gsvolu("CMO1", "TUBS", idtmed[1123], tspar, 5);
531 gMC->Gspos("CMO1", 1, "CRT", 0., 500., 1900.-tspar[2]+400., 0, "MANY");
535 tbox[1] = (4420. - 1670.)/2.;
536 tbox[2] = (1900.+1150.)/2. + 200.;
537 gMC->Gsvolu("CM12", "BOX", idtmed[1123], tbox, 3);
538 gMC->Gspos("CM12", 1, "CRT", 0., 4420. -tbox[1], 1900.-tbox[2]+400., 0, "MANY");
540 AliMatrix(idrotm[2003], 0., 0., 90., 0., 90., 90.);
543 tube[0] = 455. + 100.;
544 tube[1] = 555. + 375.;
545 tube[2] = (5150. - 1166.)/2.;
546 gMC->Gsvolu("CMO2", "TUBE", idtmed[1123], tube, 3);
547 gMC->Gspos("CMO2", 1, "CRT", -2100., 4420.-tube[2], 0., idrotm[2003], "MANY");
553 tube[2] = (5150. - 690.)/2.;
554 gMC->Gsvolu("CMO3", "TUBE", idtmed[1123], tube, 3);
555 gMC->Gspos("CMO3", 1, "CRT", 375., 4420.-tube[2], 1900.+2987.7, idrotm[2003], "MANY");
556 // Behind the PGC2 up to the end of the M. volume.
558 tbox[1] = 2575. + 95.;
559 tbox[2] = (12073. - 1900.-2987.7-650.)/2.;
560 gMC->Gsvolu("CMO7", "BOX", idtmed[1123], tbox, 3);
561 gMC->Gspos("CMO7", 1, "CRT", 0., 4420.-tbox[1], 1900.+2987.7+650.+tbox[2], 0, "MANY");
563 // Along the PX24 , upper part.
566 tube[2] = 2575. - 1300. + 95.;
567 gMC->Gsvolu("CMO4", "TUBE", idtmed[1123], tube, 3);
568 gMC->Gspos("CMO4", 1, "CRT", 0., 404.+1300.+tube[2], -2300., idrotm[2003], "MANY");
570 // Along the PX24 , lower part
574 tspar[3] = kRaddeg*TMath::ASin(1070./1150.);
575 tspar[4] = 360. - tspar[3];
576 gMC->Gsvolu("CMO5", "TUBS", idtmed[1123], tspar, 5);
577 gMC->Gspos("CMO5", 1, "CRT", 0., 404., -2300., idrotm[2003], "MANY");
580 tbox[1] = 2575. + 95.;
582 gMC->Gsvolu("CMO6", "BOX", idtmed[1123], tbox, 3);
583 gMC->Gspos("CMO6", 1, "CRT", 0., 4420.-tbox[1], -3550.-tbox[2], 0, "MANY");
586 // On the right side of th hall
587 tbox[0] = (12073. - 1250.)/2.;
588 tbox[1] = 2575. + 95.;
589 tbox[2] = (8437.7+650.)/2.;
590 gMC->Gsvolu("CMO8", "BOX", idtmed[1123], tbox, 3);
591 gMC->Gspos("CMO8", 1, "CRT", 1250.+tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
593 // on the left side of the hall, behind
594 tbox[0] = (12073. - 2755.)/2.;
595 tbox[1] = 2575. + 95.;
596 tbox[2] = (8437.7+650.)/2.;
597 gMC->Gsvolu("CMO9", "BOX", idtmed[1123], tbox, 3);
598 gMC->Gspos("CMO9", 1, "CRT", -2755.-tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
601 // Molasse betwen the PX24 & PM25 on the left side.
602 tbox[0] = (2755. - 1250.)/2.;
603 tbox[1] = 2575. + 95.;
604 tbox[2] = (3550. - 555.)/2.;
605 gMC->Gsvolu("CM10", "BOX", idtmed[1123], tbox, 3);
606 gMC->Gspos("CM10", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], -tbox[2]-555., 0, "MANY");
609 // Molasse betwen the PGC2 & PM25 on the left side.
610 tbox[0] = (2755. - 1250.)/2.;
611 tbox[1] = 2575. + 95.;
612 tbox[2] = (1900.+2987.7 - 555. + 650.)/2.;
613 gMC->Gsvolu("CM11", "BOX", idtmed[1123], tbox, 3);
614 gMC->Gspos("CM11", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], 555.+tbox[2], 0, "MANY");
619 //_____________________________________________________________________________
620 void AliCRTv1::CreateShafts()
625 Int_t idrotm[2499]; // The rotation matrix.
627 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
629 // Create a mother volume.
631 //pbox[0] = AliCRTConstants::fgDepth*TMath::Tan(67.5*kDegrad);
633 pbox[1] = AliCRTConstants::fgDepth;
635 gMC->Gsvolu("CRT", "BOX", idtmed[1114], pbox, 3);
636 gMC->Gspos("CRT", 1, "ALIC", 0., 0., 0., 0, "ONLY");
645 gMC->Gsvolu("CHC1", "TUBS", idtmed[1116], ptubs, 5);
646 gMC->Gspos("CHC1", 1, "CRT", 0., 500., 0., 0, "ONLY");
652 AliMatrix(idrotm[2001], 0., 0., 90., 0., 90., 90.);
658 ptubs[3] = kRaddeg*TMath::ASin(1070./ptubs[0]);
659 ptubs[4] = 360 - ptubs[3];
660 gMC->Gsvolu("CSF1", "TUBS", idtmed[1116], ptubs, 5);
661 gMC->Gspos("CSF1", 1, "CRT", 0., 404., -2300., idrotm[2001], "MANY");
666 ptube[2] = 2575. - ptubs[2] + 95.;
667 gMC->Gsvolu("CSF2", "TUBE", idtmed[1116], ptube, 3);
668 gMC->Gspos("CSF2", 1, "CRT", 0., 404.+ptubs[2]+ptube[2], -2300., idrotm[2001], "MANY");
670 // Concrete walls along the shaft
672 pbox[1] = 2575. + 95.;
674 gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3);
675 gMC->Gspos("CSW1", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
679 pbox[1] = 2575. + 95.;
681 gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3);
682 gMC->Gspos("CSW3", 1, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
686 pbox[1] = 2575. + 95.;
688 gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3);
689 gMC->Gspos("CSW2", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
690 gMC->Gspos("CSW2", 2, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
697 gMC->Gsvolu("CSP1", "BOX", idtmed[1116], pbox, 3);
698 gMC->Gspos("CSP1", 1, "CRT", 0., 2600.-700., -1150-pbox[2], 0, "MANY");
704 gMC->Gsvolu("CSP2", "BOX", idtmed[1116], pbox, 3);
705 gMC->Gspos("CSP2", 1, "CRT", 0., 2950.-700., -3450+pbox[2], 0, "MANY");
711 gMC->Gsvolu("CSP3", "BOX", idtmed[1116], pbox, 3);
712 gMC->Gspos("CSP3", 1, "CRT", 0., 2950.-700., -1150.-210.-pbox[2], 0, "MANY");
718 gMC->Gsvolu("CSP4", "BOX", idtmed[1116], pbox, 3);
719 gMC->Gspos("CSP4", 1, "CRT", 0., 2950.-700.+155.+pbox[1], -1150.-210.-pbox[2], 0, "MANY");
726 gMC->Gsvolu("CSP5", "BOX", idtmed[1116], pbox, 3);
727 gMC->Gspos("CSP5", 1, "CRT", 0., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
733 gMC->Gsvolu("CSP6", "BOX", idtmed[1116], pbox, 3);
734 gMC->Gspos("CSP6", 1, "CRT", 1150.-600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
735 gMC->Gspos("CSP6", 2, "CRT", -1150.+600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
742 gMC->Gsvolu("CSP7", "BOX", idtmed[1116], pbox, 3);
743 gMC->Gspos("CSP7", 1, "CRT", 850.+pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
744 gMC->Gspos("CSP7", 2, "CRT", -850.-pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
749 ptube[1] = ptube[0] + 100.;
750 ptube[2] = (5150. - 1166.)/2.;
751 gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3);
752 gMC->Gspos("CSF3", 1, "CRT", -2100., AliCRTConstants::fgDepth-ptube[2], 0., idrotm[2001], "MANY");
756 ptube[1] = ptube[0] + 100.;
757 ptube[2] = (5150. - 690.)/2.;
758 gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3);
759 gMC->Gspos("CSF4", 1, "CRT", 375., AliCRTConstants::fgDepth-ptube[2], 1900.+2987.7, idrotm[2001], "MANY");
763 //_____________________________________________________________________________
764 void AliCRTv1::DrawDetector()
767 // Draw a shaded view of the L3 magnet
769 cout << "AliCRTv1::DrawModule() : Drawing the module" << endl;
774 gMC->Gsatt("*", "seen", -1);
775 gMC->Gsatt("alic", "seen", 0);
777 gMC->Gsatt("ALIC","seen",enable);
778 gMC->Gsatt("CRT", "seen",enable);
779 gMC->Gsatt("L3MO","seen", able); // L3 Magnet
780 //gMC->Gsatt("CRT1","seen", able); // Scintillators
781 gMC->Gsatt("CRT4","seen", able); // Scintillators barrel
783 // Draw the molasse volumes
784 gMC->Gsatt("CMO1","seen",enable); // Exactly above the HALL
785 gMC->Gsatt("CMO2","seen",enable); // Molasse, along the PM25
786 gMC->Gsatt("CMO3","seen",enable); // molasse along the PGC2
787 gMC->Gsatt("CMO4","seen",enable); // Molasse, behind the PX24 upper part
788 gMC->Gsatt("CMO5","seen",enable); // molasse behind px24, lower part
789 gMC->Gsatt("CMO6","seen",enable); // behind the PX24
790 gMC->Gsatt("CMO7","seen",enable); // behind the PGC2
791 gMC->Gsatt("CMO8","seen",enable); // on the right side.
792 gMC->Gsatt("CMO9","seen",enable); // on the left side.
793 gMC->Gsatt("CM10","seen",enable); // betwen PX24 & PM25.
794 gMC->Gsatt("CM11","seen",enable); // betwen PGC2 & PM25.
795 gMC->Gsatt("CM12","seen",enable); // box above the hall.
797 gMC->Gdopt("hide", "on");
798 gMC->Gdopt("edge","off");
799 gMC->Gdopt("shad", "on");
800 gMC->Gsatt("*", "fill", 7);
801 gMC->SetClipBox("ALIC", 0, 3000, -3000, 3000, -6000, 6000);
803 gMC->Gdraw("alic", 40, 30, 0, 10, 9.5, .009, .009);
804 gMC->Gdhead(1111, "View of CRT(ACORDE)");
805 gMC->Gdman(18, 4, "MAN");
810 //_____________________________________________________________________________
811 void AliCRTv1::Init()
814 // Initialise L3 magnet after it has been built
818 printf("\n%s: ",ClassName());
819 for(i=0;i<35;i++) printf("*");
820 printf(" CRTv1_INIT ");
821 for(i=0;i<35;i++) printf("*");
822 printf("\n%s: ",ClassName());
824 // Here the CRTv1 initialisation code (if any!)
825 for(i=0;i<80;i++) printf("*");
831 //____________________________________________________________________________
832 void AliCRTv1::StepManager()
835 // Called for every step in the Cosmic Ray Trigger
842 static Float_t hits[14];
843 static Float_t eloss;
844 static Float_t elossMag;
846 if ( !gMC->IsTrackAlive() ) return;
848 if (gMC->IsNewTrack()) {
849 // Reset the deposited energy
854 // Add th energy loss in each step.
855 eloss += gMC->Edep();
857 gMC->TrackPosition(pos);
863 if ( gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"CRT4") == 0)
864 &&(gMC->TrackPid() == kMuonMinus || gMC->TrackPid() == kMuonPlus) ) {
866 // Get current particle id(ipart),track position (pos) and momentum (mom)
867 gMC->TrackPosition(pos);
868 gMC->TrackMomentum(mom);
869 ipart = gMC->TrackPid();
877 ipart = gMC->TrackPid();
878 hits[0] = (Float_t)ipart; // (fId)
880 hits[1] = pos[0]; // X coordinate (fX)
881 hits[2] = pos[1]; // Y coordinate (fY)
882 hits[3] = pos[2]; // Z coordinate (fZ)
883 hits[4] = mom[0]; // Px (fpxug)
884 hits[5] = mom[1]; // Py (fpyug)
885 hits[6] = mom[2]; // Pz (fpzug)
887 hits[7] = gMC->GetMedium(); //layer(flay)
888 hits[8] = eloss; // Energy loss
890 hits[9] = 1; // CRT mother activated.
896 //hits[9] = gAlice->CurrentTrack();
898 AddHit(gAlice->CurrentTrack(),vol, hits);
902 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRT1")==0)
903 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
911 hits[9] = 0; // CRT mother activated.
919 //AddHit(gAlice->CurrentTrack(),vol, hits);
924 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"C3CI")==0)
925 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
928 // Inside the magnet, upper part.
931 // Get current particle id(ipart),track position (pos) and momentum (mom)
939 hits[9] = 0; // CRT mother activated.
945 AddHit(gAlice->CurrentTrack(),vol, hits);
949 } else if ( gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRIC")==0)
950 && (gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus) ) {
956 // Get current particle id(ipart),track position (pos) and momentum (mom)
970 AddHit(gAlice->CurrentTrack(),vol, hits);
975 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CSA1")==0)
976 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
982 // Get current particle id(ipart),track position (pos) and momentum (mom)
997 AddHit(gAlice->CurrentTrack(),vol, hits);