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 1.1.2.1 2002/10/10 14:40:31 hristov
19 Updating VirtualMC to v3-09-02
21 Revision 1.1 2002/10/07 11:22:53 gamez
22 First version, stand alone detector
27 ///////////////////////////////////////////////////////////////////////////////
29 // ALICE Cosmic Ray Trigger //
31 // This class contains the functions for version 0 of the ALICE Cosmic Ray //
32 // Trigger. This vesion is suposed to work as standalone module //
37 // Arturo Fernandez <afernand@fcfm.buap.mx>
38 // Enrique Gamez <egamez@fcfm.buap.mx>
40 // Universidad Autonoma de Puebla
45 <img src="picts/AliCRTv1Class.gif">
48 <p>The responsible person for this module is
49 <a href="mailto:egamez@fcfm.buap.mx">Enrique Gamez</a>.
55 ///////////////////////////////////////////////////////////////////////////////
59 #include <TGeometry.h>
62 #include <TLorentzVector.h>
71 #include "AliCRTConstants.h"
75 //_____________________________________________________________________________
76 AliCRTv1::AliCRTv1() : AliCRTv0()
79 // Default constructor for CRT
84 fMagnetStatus = kTRUE;
89 //_____________________________________________________________________________
90 AliCRTv1::AliCRTv1(const char *name, const char *title)
91 : AliCRTv0(name,title)
94 // Standard constructor for CRT
98 <img src="picts/AliCRTv1.gif">
104 fRICHStatus = kFALSE;
106 fMagnetStatus = kFALSE;
109 //_____________________________________________________________________________
110 AliCRTv1::AliCRTv1(const AliCRTv1& crt)
118 //_____________________________________________________________________________
119 AliCRTv1& AliCRTv1::operator= (const AliCRTv1& crt)
122 // Asingment operator
128 //_____________________________________________________________________________
129 void AliCRTv1::CreateGeometry()
132 // Create geometry for the CRT array
135 Int_t idrotm[2499]; // The rotation matrix.
137 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
141 this->CreateShafts();
145 this->CreateMolasse();
152 box[0] = AliCRTConstants::fgCageLenght/2.; // Half Length of the box along the X axis, cm.
153 box[1] = AliCRTConstants::fgCageHeight/2.; // Half Length of the box along the Y axis, cm.
154 box[2] = AliCRTConstants::fgCageWidth/2.; // Half Length of the box along the Z axis, cm.
157 // Create a big voluem with air barrel above the magnet
159 Float_t magnetSides = 3.;
160 Float_t planesPerpendicularToZ = 2.;
162 Float_t rMax = rMin + 20.; // 20 cm width
164 barrel[1] = 45*magnetSides;
165 barrel[2] = magnetSides;
166 barrel[3] = planesPerpendicularToZ;
173 gMC->Gsvolu("CRT4", "PGON", idtmed[1114], barrel, 10);
174 gMC->Gspos("CRT4", 1 , "CRT", 0., -30., 0., 0, "ONLY");
177 // Create the current sicuiitllator arry
178 // Define the Scintillators. as a big box.
180 scint[0] = AliCRTConstants::fgActiveAreaLenght/2.; // Half Length in X
181 scint[1] = AliCRTConstants::fgActiveAreaHeight/2.; // Half Length in Y
182 scint[2] = AliCRTConstants::fgActiveAreaWidth/2.; // Half Length in Z
183 gMC->Gsvolu("CRT1", "BOX ", idtmed[1112], scint, 3); // Scintillators
186 // we'll start dawing from the center.
191 Float_t gapY = 30.; // 30 cms. above the barrel.
192 // For the height we staimate the from the center of the ceiling,
193 // if were a cilinder, must be about 280cm.
194 Float_t barrelc = 790.; // Barrel radius.
195 Float_t height = barrelc + gapY - 30.;
196 Float_t initY = height;
200 // we'll start dawing from the center.
203 // Put 4 modules on the top of the magnet
205 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
206 gMC->Gspos("CRT1", i, "CRT", initX, initY, (i-step)*box[2], 0, "ONLY");
210 // Modules on the barrel sides.
211 // Because the openenig angle for each face is 22.5, and if we want to
212 // put the modules right in the middle
213 Float_t xtragap = 10.;
214 Float_t initXside = (height+xtragap)*TMath::Sin(2*22.5*kDegrad);//rigthside
215 Float_t initYside = (height+xtragap)*TMath::Cos(2*22.5*kDegrad);
217 // Put 4 modules on the left side of the magnet
218 // The rotation matrix parameters, for the left side.
219 AliMatrix(idrotm[232], 90., 315., 90., 45., 0., 337.5);
221 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
222 gMC->Gspos("CRT1", i+4, "CRT", initXside, initYside, (i-stepl)*box[2],
223 idrotm[232], "ONLY");
227 // Put 4 modules on the right side of the magnet
228 // The rotation matrix parameters for the right side.
229 AliMatrix(idrotm[231], 90., 45., 90., 315., 180., 202.5);
231 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
232 gMC->Gspos("CRT1", i+8, "CRT", -initXside, initYside, (i-stepr)*box[2],
233 idrotm[231], "ONLY");
237 this->CreateMagnetGeometry();
238 this->CreateRICHGeometry();
239 this->CreateTPCGeometry();
243 //_____________________________________________________________________________
244 void AliCRTv1::CreateMagnetGeometry()
247 cout<<"\n\n\tYou are requiring the CRT with the Magnet Activated!\n\n";
249 Int_t idrotm[2499]; // The rotation matrix.
251 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
253 // Disable the CRT StepManager method.
257 Float_t magnetSides = 3.;
258 Float_t planesPerpendicularToZ = 2.;
259 //Float_t rMin = 790.;
260 //Float_t rMax = rMin + 20.; // 20 cm width
263 // Create the upper faces of the magnet.
274 gMC->Gsvolu("C3MO", "PGON", idtmed[1114], barrel, 10);
275 gMC->Gspos("C3MO", 1, "CRT", 0., -30., 0., 0, "ONLY");
283 gMC->Gsvolu("C3CO", "PGON", idtmed[1108], barrel, 10); //Aluminium
284 gMC->Gspos("C3CO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
290 gMC->Gsvolu("C3C1", "PGON", idtmed[1128], barrel, 10);// Aluminium
291 gMC->Gspos("C3C1", 1, "C3MO", 0., 0., 0., 0, "ONLY");
299 gMC->Gsvolu("C3YO", "PGON", idtmed[1109], barrel, 10); // Iron
300 gMC->Gspos("C3YO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
303 // Now create one inside the magnet as L3C1
304 // voulme for tracking.
306 barrel[1] = 45*magnetSides;
307 barrel[2] = magnetSides;
308 barrel[3] = planesPerpendicularToZ;
315 gMC->Gsvolu("C3CI", "PGON", idtmed[1134], barrel, 10);
316 gMC->Gspos("C3CI", 1 , "CRT", 0., -30., 0., 0, "ONLY");
318 // And a detector layer in the door 10 cm thick
319 // Volume for tracking.
328 barrel[8] = barrel[5];
329 barrel[9] = barrel[6];
330 gMC->Gsvolu("C3C2", "PGON", idtmed[1154], barrel, 10); // Air
331 gMC->Gspos("C3C2", 1, "CRT", 0., -30., 0., 0, "ONLY");
332 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
333 gMC->Gspos("C3C2", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
341 barrel[8] = barrel[5];
342 barrel[9] = barrel[6];
343 gMC->Gsvolu("C3DO", "PGON", idtmed[1174], barrel, 10); // Air
344 gMC->Gspos("C3DO", 1, "CRT", 0., -30., 0., 0, "ONLY");
345 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
346 gMC->Gspos("C3DO", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
352 barrel[8] = barrel[5];
353 barrel[9] = barrel[6];
354 gMC->Gsvolu("C3FR", "PGON", idtmed[1149], barrel, 10); // Iron
355 gMC->Gspos("C3FR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
360 gMC->Gsvolu("C3IR", "PGON", idtmed[1149], barrel, 10); //Iron
361 gMC->Gspos("C3IR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
365 //_____________________________________________________________________________
366 void AliCRTv1::CreateTPCGeometry()
368 cout<<"\n\n\tYou are requiring the CRT with the TPC Activated!\n\n";
369 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
371 // Disable the CRT StepManager method.
373 // Disable the MAgnet
374 fMagnetStatus = kFALSE;
376 fRICHStatus = kFALSE;
379 // Tpc SAndwich 1 - Al
387 gMC->Gsvolu("CSA1","TUBS",idtmed[1154],tube,5);
388 // TSA1->TOCV (0.,0.,3.) ->TOIN (0.,0.,0.)->TPC (0.,0.,0.)->ALIC(0.,0.,0.)
389 gMC->Gspos("CSA1 ",1,"CRT",0.,0.,0.,0,"ONLY");
393 //_____________________________________________________________________________
394 void AliCRTv1::CreateRICHGeometry()
397 cout<<"\n\n\tYou are requiring the CRT with the RICH Activated!\n\n";
399 Int_t idrotm[2499]; // The rotation matrix.
401 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
403 // Disable the CRT StepManager method.
405 // Disable the MAgnet
406 fMagnetStatus = kFALSE;
409 // now create volume to simulate the HMPID volume. CSI
410 Float_t csi_length = 160*.8 + 2.6;
411 Float_t csi_width = 144*.84 + 2*2.6;
413 tbox[0] = csi_width/2;
415 tbox[2] = csi_length/2;
416 gMC->Gsvolu("CRIC ", "BOX ", idtmed[1174], tbox, 3);
418 Double_t dOffset = 490+1.267 - 8/2; // distance from center of mother volume ALIC to methane
420 Double_t dAlpha = 19.5; // angle between centers of chambers - y-z plane
421 Double_t dAlphaRad = dAlpha*kDegrad;
423 Double_t dBeta = 20.; // angle between center of chambers - y-x plane
424 Double_t dBetaRad = dBeta*kDegrad;
426 Double_t dRotAngle = 60.; // the whole RICH is to be rotated in x-y plane + means clockwise rotation
427 Double_t dRotAngleRad = dRotAngle*kDegrad;
430 TRotMatrix *pRotMatrix; // tmp pointer
432 TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
434 // Chamber 0 standalone (no other chambers in this row)
435 AliMatrix(idrotm[1000],90, -dRotAngle+360,90-dAlpha, 90-dRotAngle, dAlpha, -90+300);
436 pRotMatrix=new TRotMatrix("rot993","rot993",90,-dRotAngle, 90-dAlpha,90-dRotAngle,dAlpha, -90);
438 vector.SetXYZ(0,dOffset,0); vector.RotateX(dAlphaRad);
439 vector.RotateZ(-dRotAngleRad);
441 gMC->Gspos("CRIC",1,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
444 AliMatrix(idrotm[1001],90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle, 0,0);
446 pRotMatrix=new TRotMatrix("rot994","rot994",90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle,0,0);
448 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad);
449 vector.RotateZ(-dRotAngleRad);
451 gMC->Gspos("CRIC",2,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
453 // Chamber 2 the top one with no Alpha-Beta rotation
454 AliMatrix(idrotm[1002],90,-dRotAngle,90,90-dRotAngle,0,0);
456 pRotMatrix=new TRotMatrix("rot995","rot995",90,-dRotAngle,90,90-dRotAngle,0,0);
458 vector.SetXYZ(0,dOffset,0);
459 vector.RotateZ(-dRotAngleRad);
461 gMC->Gspos("CRIC",3,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
464 AliMatrix(idrotm[1003],90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
465 pRotMatrix=new TRotMatrix("rot996","rot996", 90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
467 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad);
468 vector.RotateZ(-dRotAngleRad);
470 gMC->Gspos("CRIC",4,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
473 AliMatrix(idrotm[1004],90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta-60);
474 pRotMatrix=new TRotMatrix("rot997","rot997",90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta);
476 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
477 vector.RotateZ(-dRotAngleRad);
479 gMC->Gspos("CRIC",5,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
482 AliMatrix(idrotm[1005],90,-dRotAngle+360,90+dAlpha,90-dRotAngle,dAlpha,90-60);
484 pRotMatrix=new TRotMatrix("rot998","rot998",90,-dRotAngle,90+dAlpha,90-dRotAngle,dAlpha,90);
486 vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
487 vector.RotateZ(-dRotAngleRad);
489 gMC->Gspos("CRIC",6,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
492 AliMatrix(idrotm[1006],90,dBeta-dRotAngle+360,108.2,90+dBeta-dRotAngle,18.2,90+dBeta-60);
494 pRotMatrix=new TRotMatrix("rot999","rot999",90,dBeta-dRotAngle,108.2,90+dBeta-dRotAngle,18.2,90+dBeta);
496 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad); vector.RotateX(-dAlphaRad);
497 vector.RotateZ(-dRotAngleRad);
499 gMC->Gspos("CRIC",7,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
503 //_____________________________________________________________________________
504 void AliCRTv1::CreateMolasse()
510 Int_t idrotm[2499]; // The rotation matrix.
512 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
518 // Exactly above the hall
521 tspar[1] = 1170. + 375.;
522 tspar[2] = (1900.+1150.)/2.+100.;
525 gMC->Gsvolu("CMO1", "TUBS", idtmed[1123], tspar, 5);
526 gMC->Gspos("CMO1", 1, "CRT", 0., 500., 1900.-tspar[2]+400., 0, "MANY");
530 tbox[1] = (4420. - 1670.)/2.;
531 tbox[2] = (1900.+1150.)/2. + 200.;
532 gMC->Gsvolu("CM12", "BOX", idtmed[1123], tbox, 3);
533 gMC->Gspos("CM12", 1, "CRT", 0., 4420. -tbox[1], 1900.-tbox[2]+400., 0, "MANY");
535 AliMatrix(idrotm[2003], 0., 0., 90., 0., 90., 90.);
538 tube[0] = 455. + 100.;
539 tube[1] = 555. + 375.;
540 tube[2] = (5150. - 1166.)/2.;
541 gMC->Gsvolu("CMO2", "TUBE", idtmed[1123], tube, 3);
542 gMC->Gspos("CMO2", 1, "CRT", -2100., 4420.-tube[2], 0., idrotm[2003], "MANY");
548 tube[2] = (5150. - 690.)/2.;
549 gMC->Gsvolu("CMO3", "TUBE", idtmed[1123], tube, 3);
550 gMC->Gspos("CMO3", 1, "CRT", 375., 4420.-tube[2], 1900.+2987.7, idrotm[2003], "MANY");
551 // Behind the PGC2 up to the end of the M. volume.
553 tbox[1] = 2575. + 95.;
554 tbox[2] = (12073. - 1900.-2987.7-650.)/2.;
555 gMC->Gsvolu("CMO7", "BOX", idtmed[1123], tbox, 3);
556 gMC->Gspos("CMO7", 1, "CRT", 0., 4420.-tbox[1], 1900.+2987.7+650.+tbox[2], 0, "MANY");
558 // Along the PX24 , upper part.
561 tube[2] = 2575. - 1300. + 95.;
562 gMC->Gsvolu("CMO4", "TUBE", idtmed[1123], tube, 3);
563 gMC->Gspos("CMO4", 1, "CRT", 0., 404.+1300.+tube[2], -2300., idrotm[2003], "MANY");
565 // Along the PX24 , lower part
569 tspar[3] = kRaddeg*TMath::ASin(1070./1150.);
570 tspar[4] = 360. - tspar[3];
571 gMC->Gsvolu("CMO5", "TUBS", idtmed[1123], tspar, 5);
572 gMC->Gspos("CMO5", 1, "CRT", 0., 404., -2300., idrotm[2003], "MANY");
575 tbox[1] = 2575. + 95.;
577 gMC->Gsvolu("CMO6", "BOX", idtmed[1123], tbox, 3);
578 gMC->Gspos("CMO6", 1, "CRT", 0., 4420.-tbox[1], -3550.-tbox[2], 0, "MANY");
581 // On the right side of th hall
582 tbox[0] = (12073. - 1250.)/2.;
583 tbox[1] = 2575. + 95.;
584 tbox[2] = (8437.7+650.)/2.;
585 gMC->Gsvolu("CMO8", "BOX", idtmed[1123], tbox, 3);
586 gMC->Gspos("CMO8", 1, "CRT", 1250.+tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
588 // on the left side of the hall, behind
589 tbox[0] = (12073. - 2755.)/2.;
590 tbox[1] = 2575. + 95.;
591 tbox[2] = (8437.7+650.)/2.;
592 gMC->Gsvolu("CMO9", "BOX", idtmed[1123], tbox, 3);
593 gMC->Gspos("CMO9", 1, "CRT", -2755.-tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
596 // Molasse betwen the PX24 & PM25 on the left side.
597 tbox[0] = (2755. - 1250.)/2.;
598 tbox[1] = 2575. + 95.;
599 tbox[2] = (3550. - 555.)/2.;
600 gMC->Gsvolu("CM10", "BOX", idtmed[1123], tbox, 3);
601 gMC->Gspos("CM10", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], -tbox[2]-555., 0, "MANY");
604 // Molasse betwen the PGC2 & PM25 on the left side.
605 tbox[0] = (2755. - 1250.)/2.;
606 tbox[1] = 2575. + 95.;
607 tbox[2] = (1900.+2987.7 - 555. + 650.)/2.;
608 gMC->Gsvolu("CM11", "BOX", idtmed[1123], tbox, 3);
609 gMC->Gspos("CM11", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], 555.+tbox[2], 0, "MANY");
614 //_____________________________________________________________________________
615 void AliCRTv1::CreateShafts()
620 Int_t idrotm[2499]; // The rotation matrix.
622 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
624 // Create a mother volume.
626 //pbox[0] = AliCRTConstants::fgDepth*TMath::Tan(67.5*kDegrad);
628 pbox[1] = AliCRTConstants::fgDepth;
630 gMC->Gsvolu("CRT", "BOX", idtmed[1114], pbox, 3);
631 gMC->Gspos("CRT", 1, "ALIC", 0., 0., 0., 0, "ONLY");
640 gMC->Gsvolu("CHC1", "TUBS", idtmed[1116], ptubs, 5);
641 gMC->Gspos("CHC1", 1, "CRT", 0., 500., 0., 0, "ONLY");
647 AliMatrix(idrotm[2001], 0., 0., 90., 0., 90., 90.);
653 ptubs[3] = kRaddeg*TMath::ASin(1070./ptubs[0]);
654 ptubs[4] = 360 - ptubs[3];
655 gMC->Gsvolu("CSF1", "TUBS", idtmed[1116], ptubs, 5);
656 gMC->Gspos("CSF1", 1, "CRT", 0., 404., -2300., idrotm[2001], "MANY");
661 ptube[2] = 2575. - ptubs[2] + 95.;
662 gMC->Gsvolu("CSF2", "TUBE", idtmed[1116], ptube, 3);
663 gMC->Gspos("CSF2", 1, "CRT", 0., 404.+ptubs[2]+ptube[2], -2300., idrotm[2001], "MANY");
665 // Concrete walls along the shaft
667 pbox[1] = 2575. + 95.;
669 gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3);
670 gMC->Gspos("CSW1", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
674 pbox[1] = 2575. + 95.;
676 gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3);
677 gMC->Gspos("CSW3", 1, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
681 pbox[1] = 2575. + 95.;
683 gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3);
684 gMC->Gspos("CSW2", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
685 gMC->Gspos("CSW2", 2, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
692 gMC->Gsvolu("CSP1", "BOX", idtmed[1116], pbox, 3);
693 gMC->Gspos("CSP1", 1, "CRT", 0., 2600.-700., -1150-pbox[2], 0, "MANY");
699 gMC->Gsvolu("CSP2", "BOX", idtmed[1116], pbox, 3);
700 gMC->Gspos("CSP2", 1, "CRT", 0., 2950.-700., -3450+pbox[2], 0, "MANY");
706 gMC->Gsvolu("CSP3", "BOX", idtmed[1116], pbox, 3);
707 gMC->Gspos("CSP3", 1, "CRT", 0., 2950.-700., -1150.-210.-pbox[2], 0, "MANY");
713 gMC->Gsvolu("CSP4", "BOX", idtmed[1116], pbox, 3);
714 gMC->Gspos("CSP4", 1, "CRT", 0., 2950.-700.+155.+pbox[1], -1150.-210.-pbox[2], 0, "MANY");
721 gMC->Gsvolu("CSP5", "BOX", idtmed[1116], pbox, 3);
722 gMC->Gspos("CSP5", 1, "CRT", 0., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
728 gMC->Gsvolu("CSP6", "BOX", idtmed[1116], pbox, 3);
729 gMC->Gspos("CSP6", 1, "CRT", 1150.-600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
730 gMC->Gspos("CSP6", 2, "CRT", -1150.+600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
737 gMC->Gsvolu("CSP7", "BOX", idtmed[1116], pbox, 3);
738 gMC->Gspos("CSP7", 1, "CRT", 850.+pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
739 gMC->Gspos("CSP7", 2, "CRT", -850.-pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
744 ptube[1] = ptube[0] + 100.;
745 ptube[2] = (5150. - 1166.)/2.;
746 gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3);
747 gMC->Gspos("CSF3", 1, "CRT", -2100., AliCRTConstants::fgDepth-ptube[2], 0., idrotm[2001], "MANY");
751 ptube[1] = ptube[0] + 100.;
752 ptube[2] = (5150. - 690.)/2.;
753 gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3);
754 gMC->Gspos("CSF4", 1, "CRT", 375., AliCRTConstants::fgDepth-ptube[2], 1900.+2987.7, idrotm[2001], "MANY");
758 //_____________________________________________________________________________
759 void AliCRTv1::DrawDetector()
762 // Draw a shaded view of the L3 magnet
764 cout << "AliCRTv1::DrawModule() : Drawing the module" << endl;
769 gMC->Gsatt("*", "seen", -1);
770 gMC->Gsatt("alic", "seen", 0);
772 gMC->Gsatt("ALIC","seen",enable);
773 gMC->Gsatt("CRT", "seen",enable);
774 gMC->Gsatt("L3MO","seen", able); // L3 Magnet
775 //gMC->Gsatt("CRT1","seen", able); // Scintillators
776 gMC->Gsatt("CRT4","seen", able); // Scintillators barrel
778 // Draw the molasse volumes
779 gMC->Gsatt("CMO1","seen",enable); // Exactly above the HALL
780 gMC->Gsatt("CMO2","seen",enable); // Molasse, along the PM25
781 gMC->Gsatt("CMO3","seen",enable); // molasse along the PGC2
782 gMC->Gsatt("CMO4","seen",enable); // Molasse, behind the PX24 upper part
783 gMC->Gsatt("CMO5","seen",enable); // molasse behind px24, lower part
784 gMC->Gsatt("CMO6","seen",enable); // behind the PX24
785 gMC->Gsatt("CMO7","seen",enable); // behind the PGC2
786 gMC->Gsatt("CMO8","seen",enable); // on the right side.
787 gMC->Gsatt("CMO9","seen",enable); // on the left side.
788 gMC->Gsatt("CM10","seen",enable); // betwen PX24 & PM25.
789 gMC->Gsatt("CM11","seen",enable); // betwen PGC2 & PM25.
790 gMC->Gsatt("CM12","seen",enable); // box above the hall.
792 gMC->Gdopt("hide", "on");
793 gMC->Gdopt("edge","off");
794 gMC->Gdopt("shad", "on");
795 gMC->Gsatt("*", "fill", 7);
796 gMC->SetClipBox("ALIC", 0, 3000, -3000, 3000, -6000, 6000);
798 gMC->Gdraw("alic", 40, 30, 0, 10, 9.5, .009, .009);
799 gMC->Gdhead(1111, "View of CRT(ACORDE)");
800 gMC->Gdman(18, 4, "MAN");
805 //_____________________________________________________________________________
806 void AliCRTv1::Init()
809 // Initialise L3 magnet after it has been built
813 printf("\n%s: ",ClassName());
814 for(i=0;i<35;i++) printf("*");
815 printf(" CRTv1_INIT ");
816 for(i=0;i<35;i++) printf("*");
817 printf("\n%s: ",ClassName());
819 // Here the CRTv1 initialisation code (if any!)
820 for(i=0;i<80;i++) printf("*");
826 //____________________________________________________________________________
827 void AliCRTv1::StepManager()
830 // Called for every step in the Cosmic Ray Trigger
837 static Float_t hits[14];
838 static Float_t eloss;
839 static Float_t elossMag;
841 if ( !gMC->IsTrackAlive() ) return;
843 if (gMC->IsNewTrack()) {
844 // Reset the deposited energy
849 // Add th energy loss in each step.
850 eloss += gMC->Edep();
852 gMC->TrackPosition(pos);
858 if ( gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"CRT4") == 0)
859 &&(gMC->TrackPid() == kMuonMinus || gMC->TrackPid() == kMuonPlus) ) {
861 // Get current particle id(ipart),track position (pos) and momentum (mom)
862 gMC->TrackPosition(pos);
863 gMC->TrackMomentum(mom);
864 ipart = gMC->TrackPid();
872 ipart = gMC->TrackPid();
873 hits[0] = (Float_t)ipart; // (fId)
875 hits[1] = pos[0]; // X coordinate (fX)
876 hits[2] = pos[1]; // Y coordinate (fY)
877 hits[3] = pos[2]; // Z coordinate (fZ)
878 hits[4] = mom[0]; // Px (fpxug)
879 hits[5] = mom[1]; // Py (fpyug)
880 hits[6] = mom[2]; // Pz (fpzug)
882 hits[7] = gMC->GetMedium(); //layer(flay)
883 hits[8] = eloss; // Energy loss
885 hits[9] = 1; // CRT mother activated.
891 //hits[9] = gAlice->CurrentTrack();
893 AddHit(gAlice->CurrentTrack(),vol, hits);
897 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRT1")==0)
898 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
906 hits[9] = 0; // CRT mother activated.
914 //AddHit(gAlice->CurrentTrack(),vol, hits);
919 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"C3CI")==0)
920 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
923 // Inside the magnet, upper part.
926 // Get current particle id(ipart),track position (pos) and momentum (mom)
934 hits[9] = 0; // CRT mother activated.
940 AddHit(gAlice->CurrentTrack(),vol, hits);
944 } else if ( gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRIC")==0)
945 && (gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus) ) {
951 // Get current particle id(ipart),track position (pos) and momentum (mom)
965 AddHit(gAlice->CurrentTrack(),vol, hits);
970 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CSA1")==0)
971 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
977 // Get current particle id(ipart),track position (pos) and momentum (mom)
992 AddHit(gAlice->CurrentTrack(),vol, hits);