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 1.4 2002/11/21 19:34:52 alibrary
19 Removing AliMC and AliMCProcess
21 Revision 1.3 2002/10/23 06:47:56 alibrary
22 Introducing Riostream.h
24 Revision 1.2 2002/10/14 14:55:34 hristov
25 Merging the VirtualMC branch to the main development branch (HEAD)
27 Revision 1.1.2.1 2002/10/10 14:40:31 hristov
28 Updating VirtualMC to v3-09-02
30 Revision 1.1 2002/10/07 11:22:53 gamez
31 First version, stand alone detector
36 ///////////////////////////////////////////////////////////////////////////////
38 // ALICE Cosmic Ray Trigger //
40 // This class contains the functions for version 0 of the ALICE Cosmic Ray //
41 // Trigger. This vesion is suposed to work as standalone module //
46 // Arturo Fernandez <afernand@fcfm.buap.mx>
47 // Enrique Gamez <egamez@fcfm.buap.mx>
49 // Universidad Autonoma de Puebla
54 <img src="picts/AliCRTv1Class.gif">
57 <p>The responsible person for this module is
58 <a href="mailto:egamez@fcfm.buap.mx">Enrique Gamez</a>.
64 ///////////////////////////////////////////////////////////////////////////////
67 #include <Riostream.h>
69 #include <TGeometry.h>
70 #include <TLorentzVector.h>
75 #include "AliCRTConstants.h"
83 //_____________________________________________________________________________
84 AliCRTv1::AliCRTv1() : AliCRTv0()
87 // Default constructor for CRT
92 fMagnetStatus = kTRUE;
97 //_____________________________________________________________________________
98 AliCRTv1::AliCRTv1(const char *name, const char *title)
99 : AliCRTv0(name,title)
102 // Standard constructor for CRT
106 <img src="picts/AliCRTv1.gif">
112 fRICHStatus = kFALSE;
114 fMagnetStatus = kFALSE;
117 //_____________________________________________________________________________
118 AliCRTv1::AliCRTv1(const AliCRTv1& crt)
126 //_____________________________________________________________________________
127 AliCRTv1& AliCRTv1::operator= (const AliCRTv1& crt)
130 // Asingment operator
136 //_____________________________________________________________________________
137 void AliCRTv1::CreateGeometry()
140 // Create geometry for the CRT array
143 Int_t idrotm[2499]; // The rotation matrix.
145 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
149 this->CreateShafts();
153 this->CreateMolasse();
160 box[0] = AliCRTConstants::fgCageLenght/2.; // Half Length of the box along the X axis, cm.
161 box[1] = AliCRTConstants::fgCageHeight/2.; // Half Length of the box along the Y axis, cm.
162 box[2] = AliCRTConstants::fgCageWidth/2.; // Half Length of the box along the Z axis, cm.
165 // Create a big voluem with air barrel above the magnet
167 Float_t magnetSides = 3.;
168 Float_t planesPerpendicularToZ = 2.;
170 Float_t rMax = rMin + 20.; // 20 cm width
172 barrel[1] = 45*magnetSides;
173 barrel[2] = magnetSides;
174 barrel[3] = planesPerpendicularToZ;
181 gMC->Gsvolu("CRT4", "PGON", idtmed[1114], barrel, 10);
182 gMC->Gspos("CRT4", 1 , "CRT", 0., -30., 0., 0, "ONLY");
185 // Create the current sicuiitllator arry
186 // Define the Scintillators. as a big box.
188 scint[0] = AliCRTConstants::fgActiveAreaLenght/2.; // Half Length in X
189 scint[1] = AliCRTConstants::fgActiveAreaHeight/2.; // Half Length in Y
190 scint[2] = AliCRTConstants::fgActiveAreaWidth/2.; // Half Length in Z
191 gMC->Gsvolu("CRT1", "BOX ", idtmed[1112], scint, 3); // Scintillators
194 // we'll start dawing from the center.
199 Float_t gapY = 30.; // 30 cms. above the barrel.
200 // For the height we staimate the from the center of the ceiling,
201 // if were a cilinder, must be about 280cm.
202 Float_t barrelc = 790.; // Barrel radius.
203 Float_t height = barrelc + gapY - 30.;
204 Float_t initY = height;
208 // we'll start dawing from the center.
211 // Put 4 modules on the top of the magnet
213 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
214 gMC->Gspos("CRT1", i, "CRT", initX, initY, (i-step)*box[2], 0, "ONLY");
218 // Modules on the barrel sides.
219 // Because the openenig angle for each face is 22.5, and if we want to
220 // put the modules right in the middle
221 Float_t xtragap = 10.;
222 Float_t initXside = (height+xtragap)*TMath::Sin(2*22.5*kDegrad);//rigthside
223 Float_t initYside = (height+xtragap)*TMath::Cos(2*22.5*kDegrad);
225 // Put 4 modules on the left side of the magnet
226 // The rotation matrix parameters, for the left side.
227 AliMatrix(idrotm[232], 90., 315., 90., 45., 0., 337.5);
229 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
230 gMC->Gspos("CRT1", i+4, "CRT", initXside, initYside, (i-stepl)*box[2],
231 idrotm[232], "ONLY");
235 // Put 4 modules on the right side of the magnet
236 // The rotation matrix parameters for the right side.
237 AliMatrix(idrotm[231], 90., 45., 90., 315., 180., 202.5);
239 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
240 gMC->Gspos("CRT1", i+8, "CRT", -initXside, initYside, (i-stepr)*box[2],
241 idrotm[231], "ONLY");
245 this->CreateMagnetGeometry();
246 this->CreateRICHGeometry();
247 this->CreateTPCGeometry();
251 //_____________________________________________________________________________
252 void AliCRTv1::CreateMagnetGeometry()
255 cout<<"\n\n\tYou are requiring the CRT with the Magnet Activated!\n\n";
257 Int_t idrotm[2499]; // The rotation matrix.
259 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
261 // Disable the CRT StepManager method.
265 Float_t magnetSides = 3.;
266 Float_t planesPerpendicularToZ = 2.;
267 //Float_t rMin = 790.;
268 //Float_t rMax = rMin + 20.; // 20 cm width
271 // Create the upper faces of the magnet.
282 gMC->Gsvolu("C3MO", "PGON", idtmed[1114], barrel, 10);
283 gMC->Gspos("C3MO", 1, "CRT", 0., -30., 0., 0, "ONLY");
291 gMC->Gsvolu("C3CO", "PGON", idtmed[1108], barrel, 10); //Aluminium
292 gMC->Gspos("C3CO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
298 gMC->Gsvolu("C3C1", "PGON", idtmed[1128], barrel, 10);// Aluminium
299 gMC->Gspos("C3C1", 1, "C3MO", 0., 0., 0., 0, "ONLY");
307 gMC->Gsvolu("C3YO", "PGON", idtmed[1109], barrel, 10); // Iron
308 gMC->Gspos("C3YO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
311 // Now create one inside the magnet as L3C1
312 // voulme for tracking.
314 barrel[1] = 45*magnetSides;
315 barrel[2] = magnetSides;
316 barrel[3] = planesPerpendicularToZ;
323 gMC->Gsvolu("C3CI", "PGON", idtmed[1134], barrel, 10);
324 gMC->Gspos("C3CI", 1 , "CRT", 0., -30., 0., 0, "ONLY");
326 // And a detector layer in the door 10 cm thick
327 // Volume for tracking.
336 barrel[8] = barrel[5];
337 barrel[9] = barrel[6];
338 gMC->Gsvolu("C3C2", "PGON", idtmed[1154], barrel, 10); // Air
339 gMC->Gspos("C3C2", 1, "CRT", 0., -30., 0., 0, "ONLY");
340 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
341 gMC->Gspos("C3C2", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
349 barrel[8] = barrel[5];
350 barrel[9] = barrel[6];
351 gMC->Gsvolu("C3DO", "PGON", idtmed[1174], barrel, 10); // Air
352 gMC->Gspos("C3DO", 1, "CRT", 0., -30., 0., 0, "ONLY");
353 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
354 gMC->Gspos("C3DO", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
360 barrel[8] = barrel[5];
361 barrel[9] = barrel[6];
362 gMC->Gsvolu("C3FR", "PGON", idtmed[1149], barrel, 10); // Iron
363 gMC->Gspos("C3FR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
368 gMC->Gsvolu("C3IR", "PGON", idtmed[1149], barrel, 10); //Iron
369 gMC->Gspos("C3IR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
373 //_____________________________________________________________________________
374 void AliCRTv1::CreateTPCGeometry()
376 cout<<"\n\n\tYou are requiring the CRT with the TPC Activated!\n\n";
377 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
379 // Disable the CRT StepManager method.
381 // Disable the MAgnet
382 fMagnetStatus = kFALSE;
384 fRICHStatus = kFALSE;
387 // Tpc SAndwich 1 - Al
395 gMC->Gsvolu("CSA1","TUBS",idtmed[1154],tube,5);
396 // TSA1->TOCV (0.,0.,3.) ->TOIN (0.,0.,0.)->TPC (0.,0.,0.)->ALIC(0.,0.,0.)
397 gMC->Gspos("CSA1 ",1,"CRT",0.,0.,0.,0,"ONLY");
401 //_____________________________________________________________________________
402 void AliCRTv1::CreateRICHGeometry()
405 cout<<"\n\n\tYou are requiring the CRT with the RICH Activated!\n\n";
407 Int_t idrotm[2499]; // The rotation matrix.
409 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
411 // Disable the CRT StepManager method.
413 // Disable the MAgnet
414 fMagnetStatus = kFALSE;
417 // now create volume to simulate the HMPID volume. CSI
418 Float_t csi_length = 160*.8 + 2.6;
419 Float_t csi_width = 144*.84 + 2*2.6;
421 tbox[0] = csi_width/2;
423 tbox[2] = csi_length/2;
424 gMC->Gsvolu("CRIC ", "BOX ", idtmed[1174], tbox, 3);
426 Double_t dOffset = 490+1.267 - 8/2; // distance from center of mother volume ALIC to methane
428 Double_t dAlpha = 19.5; // angle between centers of chambers - y-z plane
429 Double_t dAlphaRad = dAlpha*kDegrad;
431 Double_t dBeta = 20.; // angle between center of chambers - y-x plane
432 Double_t dBetaRad = dBeta*kDegrad;
434 Double_t dRotAngle = 60.; // the whole RICH is to be rotated in x-y plane + means clockwise rotation
435 Double_t dRotAngleRad = dRotAngle*kDegrad;
438 TRotMatrix *pRotMatrix; // tmp pointer
440 TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
442 // Chamber 0 standalone (no other chambers in this row)
443 AliMatrix(idrotm[1000],90, -dRotAngle+360,90-dAlpha, 90-dRotAngle, dAlpha, -90+300);
444 pRotMatrix=new TRotMatrix("rot993","rot993",90,-dRotAngle, 90-dAlpha,90-dRotAngle,dAlpha, -90);
446 vector.SetXYZ(0,dOffset,0); vector.RotateX(dAlphaRad);
447 vector.RotateZ(-dRotAngleRad);
449 gMC->Gspos("CRIC",1,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
452 AliMatrix(idrotm[1001],90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle, 0,0);
454 pRotMatrix=new TRotMatrix("rot994","rot994",90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle,0,0);
456 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad);
457 vector.RotateZ(-dRotAngleRad);
459 gMC->Gspos("CRIC",2,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
461 // Chamber 2 the top one with no Alpha-Beta rotation
462 AliMatrix(idrotm[1002],90,-dRotAngle,90,90-dRotAngle,0,0);
464 pRotMatrix=new TRotMatrix("rot995","rot995",90,-dRotAngle,90,90-dRotAngle,0,0);
466 vector.SetXYZ(0,dOffset,0);
467 vector.RotateZ(-dRotAngleRad);
469 gMC->Gspos("CRIC",3,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
472 AliMatrix(idrotm[1003],90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
473 pRotMatrix=new TRotMatrix("rot996","rot996", 90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
475 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad);
476 vector.RotateZ(-dRotAngleRad);
478 gMC->Gspos("CRIC",4,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
481 AliMatrix(idrotm[1004],90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta-60);
482 pRotMatrix=new TRotMatrix("rot997","rot997",90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta);
484 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
485 vector.RotateZ(-dRotAngleRad);
487 gMC->Gspos("CRIC",5,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
490 AliMatrix(idrotm[1005],90,-dRotAngle+360,90+dAlpha,90-dRotAngle,dAlpha,90-60);
492 pRotMatrix=new TRotMatrix("rot998","rot998",90,-dRotAngle,90+dAlpha,90-dRotAngle,dAlpha,90);
494 vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
495 vector.RotateZ(-dRotAngleRad);
497 gMC->Gspos("CRIC",6,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
500 AliMatrix(idrotm[1006],90,dBeta-dRotAngle+360,108.2,90+dBeta-dRotAngle,18.2,90+dBeta-60);
502 pRotMatrix=new TRotMatrix("rot999","rot999",90,dBeta-dRotAngle,108.2,90+dBeta-dRotAngle,18.2,90+dBeta);
504 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad); vector.RotateX(-dAlphaRad);
505 vector.RotateZ(-dRotAngleRad);
507 gMC->Gspos("CRIC",7,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
511 //_____________________________________________________________________________
512 void AliCRTv1::CreateMolasse()
518 Int_t idrotm[2499]; // The rotation matrix.
520 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
526 // Exactly above the hall
529 tspar[1] = 1170. + 375.;
530 tspar[2] = (1900.+1150.)/2.+100.;
533 gMC->Gsvolu("CMO1", "TUBS", idtmed[1123], tspar, 5);
534 gMC->Gspos("CMO1", 1, "CRT", 0., 500., 1900.-tspar[2]+400., 0, "MANY");
538 tbox[1] = (4420. - 1670.)/2.;
539 tbox[2] = (1900.+1150.)/2. + 200.;
540 gMC->Gsvolu("CM12", "BOX", idtmed[1123], tbox, 3);
541 gMC->Gspos("CM12", 1, "CRT", 0., 4420. -tbox[1], 1900.-tbox[2]+400., 0, "MANY");
543 AliMatrix(idrotm[2003], 0., 0., 90., 0., 90., 90.);
546 tube[0] = 455. + 100.;
547 tube[1] = 555. + 375.;
548 tube[2] = (5150. - 1166.)/2.;
549 gMC->Gsvolu("CMO2", "TUBE", idtmed[1123], tube, 3);
550 gMC->Gspos("CMO2", 1, "CRT", -2100., 4420.-tube[2], 0., idrotm[2003], "MANY");
556 tube[2] = (5150. - 690.)/2.;
557 gMC->Gsvolu("CMO3", "TUBE", idtmed[1123], tube, 3);
558 gMC->Gspos("CMO3", 1, "CRT", 375., 4420.-tube[2], 1900.+2987.7, idrotm[2003], "MANY");
559 // Behind the PGC2 up to the end of the M. volume.
561 tbox[1] = 2575. + 95.;
562 tbox[2] = (12073. - 1900.-2987.7-650.)/2.;
563 gMC->Gsvolu("CMO7", "BOX", idtmed[1123], tbox, 3);
564 gMC->Gspos("CMO7", 1, "CRT", 0., 4420.-tbox[1], 1900.+2987.7+650.+tbox[2], 0, "MANY");
566 // Along the PX24 , upper part.
569 tube[2] = 2575. - 1300. + 95.;
570 gMC->Gsvolu("CMO4", "TUBE", idtmed[1123], tube, 3);
571 gMC->Gspos("CMO4", 1, "CRT", 0., 404.+1300.+tube[2], -2300., idrotm[2003], "MANY");
573 // Along the PX24 , lower part
577 tspar[3] = kRaddeg*TMath::ASin(1070./1150.);
578 tspar[4] = 360. - tspar[3];
579 gMC->Gsvolu("CMO5", "TUBS", idtmed[1123], tspar, 5);
580 gMC->Gspos("CMO5", 1, "CRT", 0., 404., -2300., idrotm[2003], "MANY");
583 tbox[1] = 2575. + 95.;
585 gMC->Gsvolu("CMO6", "BOX", idtmed[1123], tbox, 3);
586 gMC->Gspos("CMO6", 1, "CRT", 0., 4420.-tbox[1], -3550.-tbox[2], 0, "MANY");
589 // On the right side of th hall
590 tbox[0] = (12073. - 1250.)/2.;
591 tbox[1] = 2575. + 95.;
592 tbox[2] = (8437.7+650.)/2.;
593 gMC->Gsvolu("CMO8", "BOX", idtmed[1123], tbox, 3);
594 gMC->Gspos("CMO8", 1, "CRT", 1250.+tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
596 // on the left side of the hall, behind
597 tbox[0] = (12073. - 2755.)/2.;
598 tbox[1] = 2575. + 95.;
599 tbox[2] = (8437.7+650.)/2.;
600 gMC->Gsvolu("CMO9", "BOX", idtmed[1123], tbox, 3);
601 gMC->Gspos("CMO9", 1, "CRT", -2755.-tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
604 // Molasse betwen the PX24 & PM25 on the left side.
605 tbox[0] = (2755. - 1250.)/2.;
606 tbox[1] = 2575. + 95.;
607 tbox[2] = (3550. - 555.)/2.;
608 gMC->Gsvolu("CM10", "BOX", idtmed[1123], tbox, 3);
609 gMC->Gspos("CM10", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], -tbox[2]-555., 0, "MANY");
612 // Molasse betwen the PGC2 & PM25 on the left side.
613 tbox[0] = (2755. - 1250.)/2.;
614 tbox[1] = 2575. + 95.;
615 tbox[2] = (1900.+2987.7 - 555. + 650.)/2.;
616 gMC->Gsvolu("CM11", "BOX", idtmed[1123], tbox, 3);
617 gMC->Gspos("CM11", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], 555.+tbox[2], 0, "MANY");
622 //_____________________________________________________________________________
623 void AliCRTv1::CreateShafts()
628 Int_t idrotm[2499]; // The rotation matrix.
630 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
632 // Create a mother volume.
634 //pbox[0] = AliCRTConstants::fgDepth*TMath::Tan(67.5*kDegrad);
636 pbox[1] = AliCRTConstants::fgDepth;
638 gMC->Gsvolu("CRT", "BOX", idtmed[1114], pbox, 3);
639 gMC->Gspos("CRT", 1, "ALIC", 0., 0., 0., 0, "ONLY");
648 gMC->Gsvolu("CHC1", "TUBS", idtmed[1116], ptubs, 5);
649 gMC->Gspos("CHC1", 1, "CRT", 0., 500., 0., 0, "ONLY");
655 AliMatrix(idrotm[2001], 0., 0., 90., 0., 90., 90.);
661 ptubs[3] = kRaddeg*TMath::ASin(1070./ptubs[0]);
662 ptubs[4] = 360 - ptubs[3];
663 gMC->Gsvolu("CSF1", "TUBS", idtmed[1116], ptubs, 5);
664 gMC->Gspos("CSF1", 1, "CRT", 0., 404., -2300., idrotm[2001], "MANY");
669 ptube[2] = 2575. - ptubs[2] + 95.;
670 gMC->Gsvolu("CSF2", "TUBE", idtmed[1116], ptube, 3);
671 gMC->Gspos("CSF2", 1, "CRT", 0., 404.+ptubs[2]+ptube[2], -2300., idrotm[2001], "MANY");
673 // Concrete walls along the shaft
675 pbox[1] = 2575. + 95.;
677 gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3);
678 gMC->Gspos("CSW1", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
682 pbox[1] = 2575. + 95.;
684 gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3);
685 gMC->Gspos("CSW3", 1, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
689 pbox[1] = 2575. + 95.;
691 gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3);
692 gMC->Gspos("CSW2", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
693 gMC->Gspos("CSW2", 2, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
700 gMC->Gsvolu("CSP1", "BOX", idtmed[1116], pbox, 3);
701 gMC->Gspos("CSP1", 1, "CRT", 0., 2600.-700., -1150-pbox[2], 0, "MANY");
707 gMC->Gsvolu("CSP2", "BOX", idtmed[1116], pbox, 3);
708 gMC->Gspos("CSP2", 1, "CRT", 0., 2950.-700., -3450+pbox[2], 0, "MANY");
714 gMC->Gsvolu("CSP3", "BOX", idtmed[1116], pbox, 3);
715 gMC->Gspos("CSP3", 1, "CRT", 0., 2950.-700., -1150.-210.-pbox[2], 0, "MANY");
721 gMC->Gsvolu("CSP4", "BOX", idtmed[1116], pbox, 3);
722 gMC->Gspos("CSP4", 1, "CRT", 0., 2950.-700.+155.+pbox[1], -1150.-210.-pbox[2], 0, "MANY");
729 gMC->Gsvolu("CSP5", "BOX", idtmed[1116], pbox, 3);
730 gMC->Gspos("CSP5", 1, "CRT", 0., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
736 gMC->Gsvolu("CSP6", "BOX", idtmed[1116], pbox, 3);
737 gMC->Gspos("CSP6", 1, "CRT", 1150.-600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
738 gMC->Gspos("CSP6", 2, "CRT", -1150.+600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
745 gMC->Gsvolu("CSP7", "BOX", idtmed[1116], pbox, 3);
746 gMC->Gspos("CSP7", 1, "CRT", 850.+pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
747 gMC->Gspos("CSP7", 2, "CRT", -850.-pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
752 ptube[1] = ptube[0] + 100.;
753 ptube[2] = (5150. - 1166.)/2.;
754 gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3);
755 gMC->Gspos("CSF3", 1, "CRT", -2100., AliCRTConstants::fgDepth-ptube[2], 0., idrotm[2001], "MANY");
759 ptube[1] = ptube[0] + 100.;
760 ptube[2] = (5150. - 690.)/2.;
761 gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3);
762 gMC->Gspos("CSF4", 1, "CRT", 375., AliCRTConstants::fgDepth-ptube[2], 1900.+2987.7, idrotm[2001], "MANY");
766 //_____________________________________________________________________________
767 void AliCRTv1::DrawDetector()
770 // Draw a shaded view of the L3 magnet
772 cout << "AliCRTv1::DrawModule() : Drawing the module" << endl;
777 gMC->Gsatt("*", "seen", -1);
778 gMC->Gsatt("alic", "seen", 0);
780 gMC->Gsatt("ALIC","seen",enable);
781 gMC->Gsatt("CRT", "seen",enable);
782 gMC->Gsatt("L3MO","seen", able); // L3 Magnet
783 //gMC->Gsatt("CRT1","seen", able); // Scintillators
784 gMC->Gsatt("CRT4","seen", able); // Scintillators barrel
786 // Draw the molasse volumes
787 gMC->Gsatt("CMO1","seen",enable); // Exactly above the HALL
788 gMC->Gsatt("CMO2","seen",enable); // Molasse, along the PM25
789 gMC->Gsatt("CMO3","seen",enable); // molasse along the PGC2
790 gMC->Gsatt("CMO4","seen",enable); // Molasse, behind the PX24 upper part
791 gMC->Gsatt("CMO5","seen",enable); // molasse behind px24, lower part
792 gMC->Gsatt("CMO6","seen",enable); // behind the PX24
793 gMC->Gsatt("CMO7","seen",enable); // behind the PGC2
794 gMC->Gsatt("CMO8","seen",enable); // on the right side.
795 gMC->Gsatt("CMO9","seen",enable); // on the left side.
796 gMC->Gsatt("CM10","seen",enable); // betwen PX24 & PM25.
797 gMC->Gsatt("CM11","seen",enable); // betwen PGC2 & PM25.
798 gMC->Gsatt("CM12","seen",enable); // box above the hall.
800 gMC->Gdopt("hide", "on");
801 gMC->Gdopt("edge","off");
802 gMC->Gdopt("shad", "on");
803 gMC->Gsatt("*", "fill", 7);
804 gMC->SetClipBox("ALIC", 0, 3000, -3000, 3000, -6000, 6000);
806 gMC->Gdraw("alic", 40, 30, 0, 10, 9.5, .009, .009);
807 gMC->Gdhead(1111, "View of CRT(ACORDE)");
808 gMC->Gdman(18, 4, "MAN");
813 //_____________________________________________________________________________
814 void AliCRTv1::Init()
817 // Initialise L3 magnet after it has been built
821 printf("\n%s: ",ClassName());
822 for(i=0;i<35;i++) printf("*");
823 printf(" CRTv1_INIT ");
824 for(i=0;i<35;i++) printf("*");
825 printf("\n%s: ",ClassName());
827 // Here the CRTv1 initialisation code (if any!)
828 for(i=0;i<80;i++) printf("*");
834 //____________________________________________________________________________
835 void AliCRTv1::StepManager()
838 // Called for every step in the Cosmic Ray Trigger
845 static Float_t hits[14];
846 static Float_t eloss;
847 static Float_t elossMag;
849 if ( !gMC->IsTrackAlive() ) return;
851 if (gMC->IsNewTrack()) {
852 // Reset the deposited energy
857 // Add th energy loss in each step.
858 eloss += gMC->Edep();
860 gMC->TrackPosition(pos);
866 if ( gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"CRT4") == 0)
867 &&(gMC->TrackPid() == kMuonMinus || gMC->TrackPid() == kMuonPlus) ) {
869 // Get current particle id(ipart),track position (pos) and momentum (mom)
870 gMC->TrackPosition(pos);
871 gMC->TrackMomentum(mom);
872 ipart = gMC->TrackPid();
880 ipart = gMC->TrackPid();
881 hits[0] = (Float_t)ipart; // (fId)
883 hits[1] = pos[0]; // X coordinate (fX)
884 hits[2] = pos[1]; // Y coordinate (fY)
885 hits[3] = pos[2]; // Z coordinate (fZ)
886 hits[4] = mom[0]; // Px (fpxug)
887 hits[5] = mom[1]; // Py (fpyug)
888 hits[6] = mom[2]; // Pz (fpzug)
890 hits[7] = gMC->GetMedium(); //layer(flay)
891 hits[8] = eloss; // Energy loss
893 hits[9] = 1; // CRT mother activated.
899 //hits[9] = gAlice->CurrentTrack();
901 AddHit(gAlice->CurrentTrack(),vol, hits);
905 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRT1")==0)
906 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
914 hits[9] = 0; // CRT mother activated.
922 //AddHit(gAlice->CurrentTrack(),vol, hits);
927 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"C3CI")==0)
928 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
931 // Inside the magnet, upper part.
934 // Get current particle id(ipart),track position (pos) and momentum (mom)
942 hits[9] = 0; // CRT mother activated.
948 AddHit(gAlice->CurrentTrack(),vol, hits);
952 } else if ( gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRIC")==0)
953 && (gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus) ) {
959 // Get current particle id(ipart),track position (pos) and momentum (mom)
973 AddHit(gAlice->CurrentTrack(),vol, hits);
978 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CSA1")==0)
979 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
985 // Get current particle id(ipart),track position (pos) and momentum (mom)
1000 AddHit(gAlice->CurrentTrack(),vol, hits);