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 ///////////////////////////////////////////////////////////////////////////////
20 // ALICE Cosmic Ray Trigger //
22 // This class contains the functions for version 0 of the ALICE Cosmic Ray //
23 // Trigger. This vesion is suposed to work as standalone module //
28 // Arturo Fernandez <afernand@fcfm.buap.mx>
29 // Enrique Gamez <egamez@fcfm.buap.mx>
31 // Universidad Autonoma de Puebla
36 <img src="picts/AliCRTv1Class.gif">
39 <p>The responsible person for this module is
40 <a href="mailto:egamez@fcfm.buap.mx">Enrique Gamez</a>.
46 ///////////////////////////////////////////////////////////////////////////////
50 #include <TGeometry.h>
51 #include <TLorentzVector.h>
55 #include "AliCRTConstants.h"
63 //_____________________________________________________________________________
64 AliCRTv1::AliCRTv1() : AliCRTv0()
67 // Default constructor for CRT
72 fMagnetStatus = kTRUE;
77 //_____________________________________________________________________________
78 AliCRTv1::AliCRTv1(const char *name, const char *title)
79 : AliCRTv0(name,title)
82 // Standard constructor for CRT
86 <img src="picts/AliCRTv1.gif">
94 fMagnetStatus = kFALSE;
97 //_____________________________________________________________________________
98 AliCRTv1::AliCRTv1(const AliCRTv1& crt)
106 //_____________________________________________________________________________
107 AliCRTv1& AliCRTv1::operator= (const AliCRTv1& crt)
110 // Asingment operator
116 //_____________________________________________________________________________
117 void AliCRTv1::CreateGeometry()
120 // Create geometry for the CRT array
123 Int_t idrotm[2499]; // The rotation matrix.
125 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
129 this->CreateShafts();
133 this->CreateMolasse();
140 box[0] = AliCRTConstants::fgCageLenght/2.; // Half Length of the box along the X axis, cm.
141 box[1] = AliCRTConstants::fgCageHeight/2.; // Half Length of the box along the Y axis, cm.
142 box[2] = AliCRTConstants::fgCageWidth/2.; // Half Length of the box along the Z axis, cm.
145 // Create a big voluem with air barrel above the magnet
147 Float_t magnetSides = 3.;
148 Float_t planesPerpendicularToZ = 2.;
150 Float_t rMax = rMin + 20.; // 20 cm width
152 barrel[1] = 45*magnetSides;
153 barrel[2] = magnetSides;
154 barrel[3] = planesPerpendicularToZ;
161 gMC->Gsvolu("CRT4", "PGON", idtmed[1114], barrel, 10);
162 gMC->Gspos("CRT4", 1 , "CRT", 0., -30., 0., 0, "ONLY");
165 // Create the current sicuiitllator arry
166 // Define the Scintillators. as a big box.
168 scint[0] = AliCRTConstants::fgActiveAreaLenght/2.; // Half Length in X
169 scint[1] = AliCRTConstants::fgActiveAreaHeight/2.; // Half Length in Y
170 scint[2] = AliCRTConstants::fgActiveAreaWidth/2.; // Half Length in Z
171 gMC->Gsvolu("CRT1", "BOX ", idtmed[1112], scint, 3); // Scintillators
174 // we'll start dawing from the center.
179 Float_t gapY = 30.; // 30 cms. above the barrel.
180 // For the height we staimate the from the center of the ceiling,
181 // if were a cilinder, must be about 280cm.
182 Float_t barrelc = 790.; // Barrel radius.
183 Float_t height = barrelc + gapY - 30.;
184 Float_t initY = height;
188 // we'll start dawing from the center.
191 // Put 4 modules on the top of the magnet
193 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
194 gMC->Gspos("CRT1", i, "CRT", initX, initY, (i-step)*box[2], 0, "ONLY");
198 // Modules on the barrel sides.
199 // Because the openenig angle for each face is 22.5, and if we want to
200 // put the modules right in the middle
201 Float_t xtragap = 10.;
202 Float_t initXside = (height+xtragap)*TMath::Sin(2*22.5*kDegrad);//rigthside
203 Float_t initYside = (height+xtragap)*TMath::Cos(2*22.5*kDegrad);
205 // Put 4 modules on the left side of the magnet
206 // The rotation matrix parameters, for the left side.
207 AliMatrix(idrotm[232], 90., 315., 90., 45., 0., 337.5);
209 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
210 gMC->Gspos("CRT1", i+4, "CRT", initXside, initYside, (i-stepl)*box[2],
211 idrotm[232], "ONLY");
215 // Put 4 modules on the right side of the magnet
216 // The rotation matrix parameters for the right side.
217 AliMatrix(idrotm[231], 90., 45., 90., 315., 180., 202.5);
219 for ( Int_t i = 1 ; i <= 4 ; i++ ) {
220 gMC->Gspos("CRT1", i+8, "CRT", -initXside, initYside, (i-stepr)*box[2],
221 idrotm[231], "ONLY");
225 this->CreateMagnetGeometry();
226 this->CreateRICHGeometry();
227 this->CreateTPCGeometry();
231 //_____________________________________________________________________________
232 void AliCRTv1::CreateMagnetGeometry()
235 cout<<"\n\n\tYou are requiring the CRT with the Magnet Activated!\n\n";
237 Int_t idrotm[2499]; // The rotation matrix.
239 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
241 // Disable the CRT StepManager method.
245 Float_t magnetSides = 3.;
246 Float_t planesPerpendicularToZ = 2.;
247 //Float_t rMin = 790.;
248 //Float_t rMax = rMin + 20.; // 20 cm width
251 // Create the upper faces of the magnet.
262 gMC->Gsvolu("C3MO", "PGON", idtmed[1114], barrel, 10);
263 gMC->Gspos("C3MO", 1, "CRT", 0., -30., 0., 0, "ONLY");
271 gMC->Gsvolu("C3CO", "PGON", idtmed[1108], barrel, 10); //Aluminium
272 gMC->Gspos("C3CO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
278 gMC->Gsvolu("C3C1", "PGON", idtmed[1128], barrel, 10);// Aluminium
279 gMC->Gspos("C3C1", 1, "C3MO", 0., 0., 0., 0, "ONLY");
287 gMC->Gsvolu("C3YO", "PGON", idtmed[1109], barrel, 10); // Iron
288 gMC->Gspos("C3YO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
291 // Now create one inside the magnet as L3C1
292 // voulme for tracking.
294 barrel[1] = 45*magnetSides;
295 barrel[2] = magnetSides;
296 barrel[3] = planesPerpendicularToZ;
303 gMC->Gsvolu("C3CI", "PGON", idtmed[1134], barrel, 10);
304 gMC->Gspos("C3CI", 1 , "CRT", 0., -30., 0., 0, "ONLY");
306 // And a detector layer in the door 10 cm thick
307 // Volume for tracking.
316 barrel[8] = barrel[5];
317 barrel[9] = barrel[6];
318 gMC->Gsvolu("C3C2", "PGON", idtmed[1154], barrel, 10); // Air
319 gMC->Gspos("C3C2", 1, "CRT", 0., -30., 0., 0, "ONLY");
320 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
321 gMC->Gspos("C3C2", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
329 barrel[8] = barrel[5];
330 barrel[9] = barrel[6];
331 gMC->Gsvolu("C3DO", "PGON", idtmed[1174], barrel, 10); // Air
332 gMC->Gspos("C3DO", 1, "CRT", 0., -30., 0., 0, "ONLY");
333 AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
334 gMC->Gspos("C3DO", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
340 barrel[8] = barrel[5];
341 barrel[9] = barrel[6];
342 gMC->Gsvolu("C3FR", "PGON", idtmed[1149], barrel, 10); // Iron
343 gMC->Gspos("C3FR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
348 gMC->Gsvolu("C3IR", "PGON", idtmed[1149], barrel, 10); //Iron
349 gMC->Gspos("C3IR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
353 //_____________________________________________________________________________
354 void AliCRTv1::CreateTPCGeometry()
356 cout<<"\n\n\tYou are requiring the CRT with the TPC Activated!\n\n";
357 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
359 // Disable the CRT StepManager method.
361 // Disable the MAgnet
362 fMagnetStatus = kFALSE;
364 fRICHStatus = kFALSE;
367 // Tpc SAndwich 1 - Al
375 gMC->Gsvolu("CSA1","TUBS",idtmed[1154],tube,5);
376 // TSA1->TOCV (0.,0.,3.) ->TOIN (0.,0.,0.)->TPC (0.,0.,0.)->ALIC(0.,0.,0.)
377 gMC->Gspos("CSA1 ",1,"CRT",0.,0.,0.,0,"ONLY");
381 //_____________________________________________________________________________
382 void AliCRTv1::CreateRICHGeometry()
385 cout<<"\n\n\tYou are requiring the CRT with the RICH Activated!\n\n";
387 Int_t idrotm[2499]; // The rotation matrix.
389 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
391 // Disable the CRT StepManager method.
393 // Disable the MAgnet
394 fMagnetStatus = kFALSE;
397 // now create volume to simulate the HMPID volume. CSI
398 Float_t csi_length = 160*.8 + 2.6;
399 Float_t csi_width = 144*.84 + 2*2.6;
401 tbox[0] = csi_width/2;
403 tbox[2] = csi_length/2;
404 gMC->Gsvolu("CRIC ", "BOX ", idtmed[1174], tbox, 3);
406 Double_t dOffset = 490+1.267 - 8/2; // distance from center of mother volume ALIC to methane
408 Double_t dAlpha = 19.5; // angle between centers of chambers - y-z plane
409 Double_t dAlphaRad = dAlpha*kDegrad;
411 Double_t dBeta = 20.; // angle between center of chambers - y-x plane
412 Double_t dBetaRad = dBeta*kDegrad;
414 Double_t dRotAngle = 60.; // the whole RICH is to be rotated in x-y plane + means clockwise rotation
415 Double_t dRotAngleRad = dRotAngle*kDegrad;
418 TRotMatrix *pRotMatrix; // tmp pointer
420 TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
422 // Chamber 0 standalone (no other chambers in this row)
423 AliMatrix(idrotm[1000],90, -dRotAngle+360,90-dAlpha, 90-dRotAngle, dAlpha, -90+300);
424 pRotMatrix=new TRotMatrix("rot993","rot993",90,-dRotAngle, 90-dAlpha,90-dRotAngle,dAlpha, -90);
426 vector.SetXYZ(0,dOffset,0); vector.RotateX(dAlphaRad);
427 vector.RotateZ(-dRotAngleRad);
429 gMC->Gspos("CRIC",1,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
432 AliMatrix(idrotm[1001],90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle, 0,0);
434 pRotMatrix=new TRotMatrix("rot994","rot994",90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle,0,0);
436 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad);
437 vector.RotateZ(-dRotAngleRad);
439 gMC->Gspos("CRIC",2,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
441 // Chamber 2 the top one with no Alpha-Beta rotation
442 AliMatrix(idrotm[1002],90,-dRotAngle,90,90-dRotAngle,0,0);
444 pRotMatrix=new TRotMatrix("rot995","rot995",90,-dRotAngle,90,90-dRotAngle,0,0);
446 vector.SetXYZ(0,dOffset,0);
447 vector.RotateZ(-dRotAngleRad);
449 gMC->Gspos("CRIC",3,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
452 AliMatrix(idrotm[1003],90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
453 pRotMatrix=new TRotMatrix("rot996","rot996", 90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
455 vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad);
456 vector.RotateZ(-dRotAngleRad);
458 gMC->Gspos("CRIC",4,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
461 AliMatrix(idrotm[1004],90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta-60);
462 pRotMatrix=new TRotMatrix("rot997","rot997",90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta);
464 vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
465 vector.RotateZ(-dRotAngleRad);
467 gMC->Gspos("CRIC",5,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
470 AliMatrix(idrotm[1005],90,-dRotAngle+360,90+dAlpha,90-dRotAngle,dAlpha,90-60);
472 pRotMatrix=new TRotMatrix("rot998","rot998",90,-dRotAngle,90+dAlpha,90-dRotAngle,dAlpha,90);
474 vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
475 vector.RotateZ(-dRotAngleRad);
477 gMC->Gspos("CRIC",6,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
480 AliMatrix(idrotm[1006],90,dBeta-dRotAngle+360,108.2,90+dBeta-dRotAngle,18.2,90+dBeta-60);
482 pRotMatrix=new TRotMatrix("rot999","rot999",90,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",7,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
491 //_____________________________________________________________________________
492 void AliCRTv1::CreateMolasse()
498 Int_t idrotm[2499]; // The rotation matrix.
500 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
506 // Exactly above the hall
509 tspar[1] = 1170. + 375.;
510 tspar[2] = (1900.+1150.)/2.+100.;
513 gMC->Gsvolu("CMO1", "TUBS", idtmed[1123], tspar, 5);
514 gMC->Gspos("CMO1", 1, "CRT", 0., 500., 1900.-tspar[2]+400., 0, "MANY");
518 tbox[1] = (4420. - 1670.)/2.;
519 tbox[2] = (1900.+1150.)/2. + 200.;
520 gMC->Gsvolu("CM12", "BOX", idtmed[1123], tbox, 3);
521 gMC->Gspos("CM12", 1, "CRT", 0., 4420. -tbox[1], 1900.-tbox[2]+400., 0, "MANY");
523 AliMatrix(idrotm[2003], 0., 0., 90., 0., 90., 90.);
526 tube[0] = 455. + 100.;
527 tube[1] = 555. + 375.;
528 tube[2] = (5150. - 1166.)/2.;
529 gMC->Gsvolu("CMO2", "TUBE", idtmed[1123], tube, 3);
530 gMC->Gspos("CMO2", 1, "CRT", -2100., 4420.-tube[2], 0., idrotm[2003], "MANY");
536 tube[2] = (5150. - 690.)/2.;
537 gMC->Gsvolu("CMO3", "TUBE", idtmed[1123], tube, 3);
538 gMC->Gspos("CMO3", 1, "CRT", 375., 4420.-tube[2], 1900.+2987.7, idrotm[2003], "MANY");
539 // Behind the PGC2 up to the end of the M. volume.
541 tbox[1] = 2575. + 95.;
542 tbox[2] = (12073. - 1900.-2987.7-650.)/2.;
543 gMC->Gsvolu("CMO7", "BOX", idtmed[1123], tbox, 3);
544 gMC->Gspos("CMO7", 1, "CRT", 0., 4420.-tbox[1], 1900.+2987.7+650.+tbox[2], 0, "MANY");
546 // Along the PX24 , upper part.
549 tube[2] = 2575. - 1300. + 95.;
550 gMC->Gsvolu("CMO4", "TUBE", idtmed[1123], tube, 3);
551 gMC->Gspos("CMO4", 1, "CRT", 0., 404.+1300.+tube[2], -2300., idrotm[2003], "MANY");
553 // Along the PX24 , lower part
557 tspar[3] = kRaddeg*TMath::ASin(1070./1150.);
558 tspar[4] = 360. - tspar[3];
559 gMC->Gsvolu("CMO5", "TUBS", idtmed[1123], tspar, 5);
560 gMC->Gspos("CMO5", 1, "CRT", 0., 404., -2300., idrotm[2003], "MANY");
563 tbox[1] = 2575. + 95.;
565 gMC->Gsvolu("CMO6", "BOX", idtmed[1123], tbox, 3);
566 gMC->Gspos("CMO6", 1, "CRT", 0., 4420.-tbox[1], -3550.-tbox[2], 0, "MANY");
569 // On the right side of th hall
570 tbox[0] = (12073. - 1250.)/2.;
571 tbox[1] = 2575. + 95.;
572 tbox[2] = (8437.7+650.)/2.;
573 gMC->Gsvolu("CMO8", "BOX", idtmed[1123], tbox, 3);
574 gMC->Gspos("CMO8", 1, "CRT", 1250.+tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
576 // on the left side of the hall, behind
577 tbox[0] = (12073. - 2755.)/2.;
578 tbox[1] = 2575. + 95.;
579 tbox[2] = (8437.7+650.)/2.;
580 gMC->Gsvolu("CMO9", "BOX", idtmed[1123], tbox, 3);
581 gMC->Gspos("CMO9", 1, "CRT", -2755.-tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
584 // Molasse betwen the PX24 & PM25 on the left side.
585 tbox[0] = (2755. - 1250.)/2.;
586 tbox[1] = 2575. + 95.;
587 tbox[2] = (3550. - 555.)/2.;
588 gMC->Gsvolu("CM10", "BOX", idtmed[1123], tbox, 3);
589 gMC->Gspos("CM10", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], -tbox[2]-555., 0, "MANY");
592 // Molasse betwen the PGC2 & PM25 on the left side.
593 tbox[0] = (2755. - 1250.)/2.;
594 tbox[1] = 2575. + 95.;
595 tbox[2] = (1900.+2987.7 - 555. + 650.)/2.;
596 gMC->Gsvolu("CM11", "BOX", idtmed[1123], tbox, 3);
597 gMC->Gspos("CM11", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], 555.+tbox[2], 0, "MANY");
602 //_____________________________________________________________________________
603 void AliCRTv1::CreateShafts()
608 Int_t idrotm[2499]; // The rotation matrix.
610 Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
612 // Create a mother volume.
614 //pbox[0] = AliCRTConstants::fgDepth*TMath::Tan(67.5*kDegrad);
616 pbox[1] = AliCRTConstants::fgDepth;
618 gMC->Gsvolu("CRT", "BOX", idtmed[1114], pbox, 3);
619 gMC->Gspos("CRT", 1, "ALIC", 0., 0., 0., 0, "ONLY");
628 gMC->Gsvolu("CHC1", "TUBS", idtmed[1116], ptubs, 5);
629 gMC->Gspos("CHC1", 1, "CRT", 0., 500., 0., 0, "ONLY");
635 AliMatrix(idrotm[2001], 0., 0., 90., 0., 90., 90.);
641 ptubs[3] = kRaddeg*TMath::ASin(1070./ptubs[0]);
642 ptubs[4] = 360 - ptubs[3];
643 gMC->Gsvolu("CSF1", "TUBS", idtmed[1116], ptubs, 5);
644 gMC->Gspos("CSF1", 1, "CRT", 0., 404., -2300., idrotm[2001], "MANY");
649 ptube[2] = 2575. - ptubs[2] + 95.;
650 gMC->Gsvolu("CSF2", "TUBE", idtmed[1116], ptube, 3);
651 gMC->Gspos("CSF2", 1, "CRT", 0., 404.+ptubs[2]+ptube[2], -2300., idrotm[2001], "MANY");
653 // Concrete walls along the shaft
655 pbox[1] = 2575. + 95.;
657 gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3);
658 gMC->Gspos("CSW1", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
662 pbox[1] = 2575. + 95.;
664 gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3);
665 gMC->Gspos("CSW3", 1, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
669 pbox[1] = 2575. + 95.;
671 gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3);
672 gMC->Gspos("CSW2", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
673 gMC->Gspos("CSW2", 2, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
680 gMC->Gsvolu("CSP1", "BOX", idtmed[1116], pbox, 3);
681 gMC->Gspos("CSP1", 1, "CRT", 0., 2600.-700., -1150-pbox[2], 0, "MANY");
687 gMC->Gsvolu("CSP2", "BOX", idtmed[1116], pbox, 3);
688 gMC->Gspos("CSP2", 1, "CRT", 0., 2950.-700., -3450+pbox[2], 0, "MANY");
694 gMC->Gsvolu("CSP3", "BOX", idtmed[1116], pbox, 3);
695 gMC->Gspos("CSP3", 1, "CRT", 0., 2950.-700., -1150.-210.-pbox[2], 0, "MANY");
701 gMC->Gsvolu("CSP4", "BOX", idtmed[1116], pbox, 3);
702 gMC->Gspos("CSP4", 1, "CRT", 0., 2950.-700.+155.+pbox[1], -1150.-210.-pbox[2], 0, "MANY");
709 gMC->Gsvolu("CSP5", "BOX", idtmed[1116], pbox, 3);
710 gMC->Gspos("CSP5", 1, "CRT", 0., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
716 gMC->Gsvolu("CSP6", "BOX", idtmed[1116], pbox, 3);
717 gMC->Gspos("CSP6", 1, "CRT", 1150.-600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
718 gMC->Gspos("CSP6", 2, "CRT", -1150.+600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
725 gMC->Gsvolu("CSP7", "BOX", idtmed[1116], pbox, 3);
726 gMC->Gspos("CSP7", 1, "CRT", 850.+pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
727 gMC->Gspos("CSP7", 2, "CRT", -850.-pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
732 ptube[1] = ptube[0] + 100.;
733 ptube[2] = (5150. - 1166.)/2.;
734 gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3);
735 gMC->Gspos("CSF3", 1, "CRT", -2100., AliCRTConstants::fgDepth-ptube[2], 0., idrotm[2001], "MANY");
739 ptube[1] = ptube[0] + 100.;
740 ptube[2] = (5150. - 690.)/2.;
741 gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3);
742 gMC->Gspos("CSF4", 1, "CRT", 375., AliCRTConstants::fgDepth-ptube[2], 1900.+2987.7, idrotm[2001], "MANY");
746 //_____________________________________________________________________________
747 void AliCRTv1::DrawDetector()
750 // Draw a shaded view of the L3 magnet
752 cout << "AliCRTv1::DrawModule() : Drawing the module" << endl;
757 gMC->Gsatt("*", "seen", -1);
758 gMC->Gsatt("alic", "seen", 0);
760 gMC->Gsatt("ALIC","seen",enable);
761 gMC->Gsatt("CRT", "seen",enable);
762 gMC->Gsatt("L3MO","seen", able); // L3 Magnet
763 //gMC->Gsatt("CRT1","seen", able); // Scintillators
764 gMC->Gsatt("CRT4","seen", able); // Scintillators barrel
766 // Draw the molasse volumes
767 gMC->Gsatt("CMO1","seen",enable); // Exactly above the HALL
768 gMC->Gsatt("CMO2","seen",enable); // Molasse, along the PM25
769 gMC->Gsatt("CMO3","seen",enable); // molasse along the PGC2
770 gMC->Gsatt("CMO4","seen",enable); // Molasse, behind the PX24 upper part
771 gMC->Gsatt("CMO5","seen",enable); // molasse behind px24, lower part
772 gMC->Gsatt("CMO6","seen",enable); // behind the PX24
773 gMC->Gsatt("CMO7","seen",enable); // behind the PGC2
774 gMC->Gsatt("CMO8","seen",enable); // on the right side.
775 gMC->Gsatt("CMO9","seen",enable); // on the left side.
776 gMC->Gsatt("CM10","seen",enable); // betwen PX24 & PM25.
777 gMC->Gsatt("CM11","seen",enable); // betwen PGC2 & PM25.
778 gMC->Gsatt("CM12","seen",enable); // box above the hall.
780 gMC->Gdopt("hide", "on");
781 gMC->Gdopt("edge","off");
782 gMC->Gdopt("shad", "on");
783 gMC->Gsatt("*", "fill", 7);
784 gMC->SetClipBox("ALIC", 0, 3000, -3000, 3000, -6000, 6000);
786 gMC->Gdraw("alic", 40, 30, 0, 10, 9.5, .009, .009);
787 gMC->Gdhead(1111, "View of CRT(ACORDE)");
788 gMC->Gdman(18, 4, "MAN");
793 //_____________________________________________________________________________
794 void AliCRTv1::Init()
797 // Initialise L3 magnet after it has been built
801 printf("\n%s: ",ClassName());
802 for(i=0;i<35;i++) printf("*");
803 printf(" CRTv1_INIT ");
804 for(i=0;i<35;i++) printf("*");
805 printf("\n%s: ",ClassName());
807 // Here the CRTv1 initialisation code (if any!)
808 for(i=0;i<80;i++) printf("*");
814 //____________________________________________________________________________
815 void AliCRTv1::StepManager()
818 // Called for every step in the Cosmic Ray Trigger
825 static Float_t hits[14];
826 static Float_t eloss;
827 static Float_t elossMag;
829 if ( !gMC->IsTrackAlive() ) return;
831 if (gMC->IsNewTrack()) {
832 // Reset the deposited energy
837 // Add th energy loss in each step.
838 eloss += gMC->Edep();
840 gMC->TrackPosition(pos);
846 if ( gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"CRT4") == 0)
847 &&(gMC->TrackPid() == kMuonMinus || gMC->TrackPid() == kMuonPlus) ) {
849 // Get current particle id(ipart),track position (pos) and momentum (mom)
850 gMC->TrackPosition(pos);
851 gMC->TrackMomentum(mom);
852 ipart = gMC->TrackPid();
860 ipart = gMC->TrackPid();
861 hits[0] = (Float_t)ipart; // (fId)
863 hits[1] = pos[0]; // X coordinate (fX)
864 hits[2] = pos[1]; // Y coordinate (fY)
865 hits[3] = pos[2]; // Z coordinate (fZ)
866 hits[4] = mom[0]; // Px (fpxug)
867 hits[5] = mom[1]; // Py (fpyug)
868 hits[6] = mom[2]; // Pz (fpzug)
870 hits[7] = gMC->GetMedium(); //layer(flay)
871 hits[8] = eloss; // Energy loss
873 hits[9] = 1; // CRT mother activated.
879 //hits[9] = gAlice->GetCurrentTrackNumber();
881 AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);
885 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRT1")==0)
886 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
894 hits[9] = 0; // CRT mother activated.
902 //AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);
907 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"C3CI")==0)
908 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
911 // Inside the magnet, upper part.
914 // Get current particle id(ipart),track position (pos) and momentum (mom)
922 hits[9] = 0; // CRT mother activated.
928 AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);
932 } else if ( gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRIC")==0)
933 && (gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus) ) {
939 // Get current particle id(ipart),track position (pos) and momentum (mom)
953 AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);
958 } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CSA1")==0)
959 &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
965 // Get current particle id(ipart),track position (pos) and momentum (mom)
980 AddHit(gAlice->GetCurrentTrackNumber(),vol, hits);