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 // symmetric space frame with possibility for holes
22 //------------------------------------------------------------------------
25 #include <TVirtualMC.h>
27 #include <TGeoManager.h>
29 #include <TGeoMatrix.h>
31 #include <TGeoCompositeShape.h>
32 #include "AliFRAMEv2.h"
38 #include "AliTrackReference.h"
43 //_____________________________________________________________________________
44 AliFRAMEv2::AliFRAMEv2():
50 //_____________________________________________________________________________
51 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
52 : AliFRAME(name,title),
58 //___________________________________________
59 void AliFRAMEv2::CreateGeometry()
63 <img src="picts/frame.gif">
70 <img src="picts/tree_frame.gif">
78 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
80 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
81 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
82 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
84 AliMatrix(idrotm[2086], 90.0, 0.0, 90.0, 90., 0.0, 0.0);
85 AliMatrix(idrotm[2087], 90.0, 180.0, 90.0, 270., 0.0, 0.0);
86 AliMatrix(idrotm[2088], 90.0, 90.0, 90.0, 180., 0.0, 0.0);
87 AliMatrix(idrotm[2089], 90.0, 90.0, 90.0, 0., 0.0, 0.0);
89 AliMatrix(idrotm[2090], 90.0, 0.0, 0.0, 0., 90.0, 90.0);
90 AliMatrix(idrotm[2091], 0.0, 0.0, 90.0, 90., 90.0, 0.0);
92 // Matrices have been imported from Euclid. Some simplification
96 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
97 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
98 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
99 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
100 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
101 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
102 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
103 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
104 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
105 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
106 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
107 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
108 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
109 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
110 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
111 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
113 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
114 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
115 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
116 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
117 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
118 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
119 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
120 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
122 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
123 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
124 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
125 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
126 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
127 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
128 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
131 Int_t *idtmed = fIdtmed->GetArray()-1999;
136 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
143 const Float_t kEps = 0.01;
144 const Int_t kAir = idtmed[2004];
145 const Int_t kSteel = idtmed[2064];
147 const Float_t krad2deg = 180. / TMath::Pi();
148 const Float_t kdeg2rad = 1. / krad2deg;
150 Float_t iFrH = 118.66; // Height of inner frame
151 Float_t ringH = 6.00; // Height of the ring bars
152 Float_t ringW = 10.00; // Width of the ring bars in z
153 Float_t longH = 6.00;
154 Float_t longW = 4.00;
156 Float_t dymodU[3] = {70.0, 224.0, 340.2};
157 Float_t dymodL[3] = {50.0, 175.0, 297.5};
161 // Frame mother volume
163 TGeoPgon* shB77A = new TGeoPgon(0., 360., 18, 2);
164 shB77A->SetName("shB77A");
165 shB77A->DefineSection( 0, -376., 280., 415.7);
166 shB77A->DefineSection( 1, 376., 280., 415.7);
167 TGeoBBox* shB77B = new TGeoBBox(3.42, 2., 375.5);
168 shB77B->SetName("shB77B");
169 TGeoTranslation* trB77A = new TGeoTranslation("trB77A", +283.32, 0., 0.);
170 TGeoTranslation* trB77B = new TGeoTranslation("trB77B", -283.32, 0., 0.);
171 trB77A->RegisterYourself();
172 trB77B->RegisterYourself();
173 TGeoCompositeShape* shB77 = new TGeoCompositeShape("shB77", "shB77A+shB77B:trB77A+shB77B:trB77B");
174 TGeoVolume* voB77 = new TGeoVolume("B077", shB77, gGeoManager->GetMedium("FRAME_Air"));
175 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
177 // Reference plane #1 for TRD
178 TGeoPgon* shBREFA = new TGeoPgon(0.0, 360., 18, 2);
179 shBREFA->DefineSection( 0, -376., 280., 280.1);
180 shBREFA->DefineSection( 1, 376., 280., 280.1);
181 shBREFA->SetName("shBREFA");
182 TGeoCompositeShape* shBREF1 = new TGeoCompositeShape("shBREF1", "shBREFA-(shB77B:trB77A+shB77B:trB77B)");
183 TGeoVolume* voBREF = new TGeoVolume("BREF1", shBREF1, gGeoManager->GetMedium("FRAME_Air"));
184 voBREF->SetVisibility(0);
185 gMC->Gspos("BREF1", 1, "B077", 0., 0., 0., 0, "ONLY");
206 ppgon[7] = -ppgon[4];
209 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
210 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
214 dz = 2. * 410.2 * TMath::Sin(10.*kdeg2rad) - 2. *dol * TMath::Cos(10.*kdeg2rad)- 2. * doh * TMath::Tan(10.*kdeg2rad);
216 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
219 TGeoVolumeAssembly* asBI42 = new TGeoVolumeAssembly("BI42");
221 ptrd1[0] = l2 - 0.6 * TMath::Tan(10.*kdeg2rad);
225 gMC->Gsvolu("BIH142", "TRD1", kSteel, ptrd1, 4);
227 ptrd1[1] = l1 + 0.6 * TMath::Tan(10.*kdeg2rad);
230 gMC->Gsvolu("BIH242", "TRD1", kSteel, ptrd1, 4);
233 ptrd1[0] = l1 + 0.6 * TMath::Tan(10.*kdeg2rad);
234 ptrd1[1] = l2 - 0.6 * TMath::Tan(10.*kdeg2rad);
237 gMC->Gsvolu("BIV42", "TRD1", kSteel, ptrd1, 4);
239 asBI42->AddNode(gGeoManager->GetVolume("BIV42"), 1, new TGeoTranslation(0., 0., 0.));
240 asBI42->AddNode(gGeoManager->GetVolume("BIH142"), 1, new TGeoTranslation(0., 0., 3.7));
241 asBI42->AddNode(gGeoManager->GetVolume("BIH242"), 1, new TGeoTranslation(0., 0., -3.7));
250 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
253 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
254 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
263 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
267 gMC->Gsvolu("B081", "BOX", kAir, pbox, 3);
268 gMC->Gspos("B081", 1, "B080", 0., 0., 0., 0, "ONLY");
270 // Small 2nd reference plane elemenet
274 gMC->Gsvolu("BREF2", "BOX", kAir, pbox, 3);
275 gMC->Gspos("BREF2", 1, "B080", 3.37 - 0.05, 0., 0., 0, "ONLY");
277 gMC->Gspos("B080", 1, "B077", 283.3, 0., 0., 0, "ONLY");
278 gMC->Gspos("B080", 2, "B077", -283.3, 0., 0., idrotm[2087], "ONLY");
284 Float_t h, d, dq, x, theta;
286 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
290 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
293 theta = krad2deg * TMath::ACos(x);
307 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
309 ptrap[4] = (dol-ds)/x;
314 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
315 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
324 h = (2.*dymodU[0]-2.*dol)*.999;
331 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
335 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
336 theta = krad2deg * TMath::ACos(x);
338 ptrap[0] = dz/2.-kEps;
348 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
349 ptrap[0] = ptrap[0]-kEps;
351 ptrap[4] = (dol-ds)/x;
356 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
357 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
358 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
361 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
362 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
363 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
367 ptrap[1] = theta2*krad2deg;
370 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
378 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
379 Float_t ddx0 = ptrap[8];
381 Float_t dd1s = dd1*(1.-2.*ds/d);
382 Float_t dd2s = dd2*(1.-2.*ds/d);
383 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
387 ptrap[1] = theta2s*krad2deg;
390 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
394 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
397 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
398 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
400 Float_t ddx, ddz, drx, drz, rtheta;
402 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
403 rtheta = (90.-theta)*kdeg2rad;
404 ddx = -ddx0-dol*TMath::Tan(theta2);
407 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
408 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
409 gMC->Gspos("B051", 1, "BM49",
411 idrotm[2001], "ONLY");
413 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
414 rtheta = (270.-theta)*kdeg2rad;
416 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
417 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
418 gMC->Gspos("B051", 2, "BM49",
420 idrotm[2002], "ONLY");
425 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
427 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
428 theta = krad2deg * TMath::ACos(x);
439 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
441 ptrap[4] = (dol-ds)/x;
446 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
447 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
450 // Positioning of diagonal bars
453 dz = (dymodU[1]+dymodU[0])/2.;
454 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
460 dx = rd * TMath::Sin(phi*kdeg2rad);
461 dy = rd * TMath::Cos(phi*kdeg2rad);
464 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
465 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
466 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
467 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
475 dx = rd * TMath::Sin(phi*kdeg2rad);
476 dy = rd * TMath::Cos(phi*kdeg2rad);
478 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
479 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
480 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
481 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
488 dx = rd * TMath::Sin(phi*kdeg2rad);
489 dy = rd * TMath::Cos(phi*kdeg2rad);
491 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
492 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
493 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
494 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
496 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
497 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
498 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
499 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
501 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
502 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
503 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
504 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
506 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
507 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
510 // The internal frame
520 ptrd1[3] = iFrH / 2.;
523 Float_t rout1 = 405.5;
524 Float_t rout2 = 411.55;
527 for (i = 0; i < 18; i++) {
532 if (mod > 17) mod -= 18;
533 sprintf(name, "BSEGMO%d", mod);
534 gMC->Gsvolu(name, "TRD1", kAir, ptrd1, 4);
535 gGeoManager->GetVolume(name)->SetVisibility(kFALSE);
539 Float_t phi1 = i * 20.;
540 Float_t phi2 = 270 + phi1;
541 if (phi2 >= 360.) phi2 -= 360.;
543 dx = TMath::Sin(phi1*kdeg2rad)*r;
544 dy = -TMath::Cos(phi1*kdeg2rad)*r;
547 sprintf(nameR, "B43_Rot_%d", i);
548 TGeoRotation* rot = new TGeoRotation(nameR, 90.0, phi1, 0., 0., 90., phi2);
549 AliMatrix(idrotm[2034+i], 90.0, phi1, 0., 0., 90., phi2);
550 TGeoVolume* vol77 = gGeoManager->GetVolume("B077");
551 TGeoVolume* volS = gGeoManager->GetVolume(name);
552 vol77->AddNode(volS, 1, new TGeoCombiTrans(dx, dy, 0., rot));
555 // Position elements of outer Frame
557 dx = TMath::Sin(phi1*kdeg2rad)*rout1;
558 dy = -TMath::Cos(phi1*kdeg2rad)*rout1;
559 for (j = 0; j < 3; j++)
562 TGeoVolume* vol = gGeoManager->GetVolume("B076");
563 vol->AddNode(asBI42, 6*i+2*j+1, new TGeoCombiTrans(dx, dy, dz, rot));
564 vol->AddNode(asBI42, 6*i+2*j+2, new TGeoCombiTrans(dx, dy, -dz, rot));
569 AliMatrix(idrotm[2052+i], 90.0, phi1, 90., phi2, 0., 0.);
571 dx = TMath::Sin(phi1*kdeg2rad)*rout2;
572 dy = -TMath::Cos(phi1*kdeg2rad)*rout2;
573 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
576 // Internal Frame rings
579 // 60x60x5x6 for inner rings (I-beam)
580 // 100x60x5 for front and rear rings
583 ptrd1[0] = 287. * TMath::Sin(10.* kdeg2rad) - 2.1;
584 ptrd1[1] = 293. * TMath::Sin(10.* kdeg2rad) - 2.1;
588 gMC->Gsvolu("B072", "TRD1", kSteel, ptrd1, 4);
590 ptrd1[0] = 287.5 * TMath::Sin(10. * kdeg2rad) - 2.1;
591 ptrd1[1] = 292.5 * TMath::Sin(10. * kdeg2rad) - 2.1;
592 ptrd1[2] = ringW / 2. - 0.5;
593 ptrd1[3] = ringH / 2. - 0.5;
595 gMC->Gsvolu("B073", "TRD1", kAir, ptrd1, 4);
596 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
600 TGeoVolumeAssembly* asBI72 = new TGeoVolumeAssembly("BI72");
602 ptrd1[0] = 292.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
603 ptrd1[1] = 293.0 * TMath::Sin(10.* kdeg2rad) - 2.1;
606 gMC->Gsvolu("BIH172", "TRD1", kSteel, ptrd1, 4);
607 ptrd1[0] = 287.0 * TMath::Sin(10.* kdeg2rad) - 2.1;
608 ptrd1[1] = 287.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
611 gMC->Gsvolu("BIH272", "TRD1", kSteel, ptrd1, 4);
614 ptrd1[0] = 287.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
615 ptrd1[1] = 292.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
618 gMC->Gsvolu("BIV72", "TRD1", kSteel, ptrd1, 4);
620 asBI72->AddNode(gGeoManager->GetVolume("BIV72"), 1, new TGeoTranslation(0., 0., 0.));
621 asBI72->AddNode(gGeoManager->GetVolume("BIH172"), 1, new TGeoTranslation(0., 0., 2.75));
622 asBI72->AddNode(gGeoManager->GetVolume("BIH272"), 1, new TGeoTranslation(0., 0., -2.75));
624 // Web frame 0-degree
626 // h x w x s = 60x40x5
627 // (attention: element is are half bars, "U" shaped)
629 Float_t dHz = 112.66;
631 WebFrame("B063", dHz, 10.0, 10.);
632 WebFrame("B063I", dHz, 10.0, -10.);
634 WebFrame("B163", dHz, -40.0, 10.);
635 WebFrame("B163I", dHz, -40.0, -10.);
637 WebFrame("B263", dHz, 20.0, 10.);
638 WebFrame("B263I", dHz, 20.0, -10.);
640 WebFrame("B363", dHz, -27.1, 10.);
641 WebFrame("B363I", dHz, -27.1, -10.);
643 WebFrame("B463", dHz, 18.4, 10.);
644 WebFrame("B463I", dHz, 18.4, -10.);
647 dz = -iFrH/2.+ringH/2.+kEps;
649 Float_t dx0 = 49.8 + dHz/2. * TMath::Tan(10. * kdeg2rad) + 0.035;
651 for (jmod = 0; jmod< 18; jmod++)
654 for (i = 0; i < 3; i++) {
655 // if ((i == 2) || (jmod ==0) || (jmod == 8)) {
657 gMC->Gspos("B072", 6*jmod+i+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
658 gMC->Gspos("B072", 6*jmod+i+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
660 TGeoVolume* vol = gGeoManager->GetVolume(module[jmod]);
661 vol->AddNode(asBI72, 6*jmod+i+1, new TGeoTranslation(0, dymodL[i], dz));
662 vol->AddNode(asBI72, 6*jmod+i+4, new TGeoTranslation(0, -dymodL[i], dz));
667 // outer diagonal web
669 dy = dymodL[0] + (dHz/2. - 4.) * TMath::Tan(10. * kdeg2rad);
671 for (jmod = 0; jmod < 18; jmod++) {
672 gMC->Gspos("B063", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
673 gMC->Gspos("B063I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
674 gMC->Gspos("B063", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
675 gMC->Gspos("B063I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
678 dy = 73.6 + (dHz/2. + 4.) * TMath::Tan(40. * kdeg2rad);
680 for (jmod = 0; jmod < 18; jmod++) {
681 gMC->Gspos("B163", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
682 gMC->Gspos("B163I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
683 gMC->Gspos("B163", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
684 gMC->Gspos("B163I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
687 dy = 224.5 - (dHz/2 + 4.) * TMath::Tan(20. * kdeg2rad);
689 for (jmod = 0; jmod < 18; jmod++) {
690 gMC->Gspos("B263", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
691 gMC->Gspos("B263I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
692 gMC->Gspos("B263", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
693 gMC->Gspos("B263I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
696 dy = 231.4 + (dHz/2.+ 4.) * TMath::Tan(27.1 * kdeg2rad);
698 for (jmod = 0; jmod < 18; jmod++) {
699 gMC->Gspos("B363", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
700 gMC->Gspos("B363I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
701 gMC->Gspos("B363", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
702 gMC->Gspos("B363I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
705 dy = 340.2 - (dHz/2.+ 4.) * TMath::Tan(18.4 * kdeg2rad);
707 for (jmod = 0; jmod < 18; jmod++) {
708 gMC->Gspos("B463", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
709 gMC->Gspos("B463I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
710 gMC->Gspos("B463", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
711 gMC->Gspos("B463I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
714 // longitudinal bars (TPC rails attached)
716 // h x w x s = 100 x 75 x 6
718 // Attention: 2 "U" shaped half rods per cell
733 // gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
740 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
741 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
744 // longitudinal bars (no TPC rails attached)
745 // new specs: h x w x s = 40 x 60 x 5
756 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
757 ptrap[0] = longW/4.-0.25;
758 ptrap[4] = longH/2.-0.50;
763 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
764 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
766 dz = -iFrH/2. + longH/2.;
768 for (jmod = 0; jmod < 18; jmod++) {
769 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.31, 0.0, dz, idrotm[2084], "ONLY");
770 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.31, 0.0, dz, idrotm[2083], "ONLY");
779 MakeHeatScreen("M", dyM, idrotm[2090], idrotm[2091]);
780 Float_t dyAM = 119.5;
781 MakeHeatScreen("AM", dyAM, idrotm[2090], idrotm[2091]);
782 Float_t dyA = 122.5 - 5.5;
783 MakeHeatScreen("A" , dyA, idrotm[2090], idrotm[2091]);
789 for (i = 0; i < 18; i++) {
792 sprintf(nameMo, "BSEGMO%d",i);
794 gMC->Gspos("BTSH_M" , i+1 , nameMo, 0., 0., dz, 0, "ONLY");
796 dy = dymodL[0] + dyAM / 2. + 3.;
797 gMC->Gspos("BTSH_AM", i+ 1, nameMo, 0., dy, dz, 0, "ONLY");
798 gMC->Gspos("BTSH_AM", i+19, nameMo, 0., -dy, dz, 0, "ONLY");
800 dy = dymodL[1] + dyA / 2 + 0.4;
801 gMC->Gspos("BTSH_A" , i+ 1, nameMo, 0., dy, dz, 0, "ONLY");
802 gMC->Gspos("BTSH_A" , i+19, nameMo, 0., -dy, dz, 0, "ONLY");
807 // TRD mother volumes
810 ptrd1[0] = 47.4405; // CBL 28/6/2006
811 ptrd1[1] = 61.1765; // CBL
812 ptrd1[2] = 375.5; // CBL
813 ptrd1[3] = 38.95; // CBL
815 for (i = 0; i < 18; i++) {
817 sprintf(nameCh, "BTRD%d",i);
819 sprintf(nameMo, "BSEGMO%d",i);
820 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
821 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
822 gMC->Gspos(nameCh, 1, nameMo, 0., 0., -12.62, 0, "ONLY"); // CBL 28/6/2006
826 // TOF mother volumes
831 ptrd1[3] = 14.525; //AdC
832 for (i = 0; i < 18; i++) {
834 sprintf(nameCh, "BTOF%d",i);
836 sprintf(nameMo, "BSEGMO%d",i);
837 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
838 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
839 gMC->Gspos(nameCh, 1, nameMo, 0., 0., 43.525, 0, "ONLY"); //AdC
843 // Geometry of Rails starts here
847 // Rails for space-frame
854 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
858 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
862 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
864 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
865 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
866 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
867 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -190., 0., 0, "ONLY");
868 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -190., 0., 0, "ONLY");
873 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
875 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -190.+55./2.+rbox[1], 224., 0, "ONLY");
876 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -190.+55./2.+rbox[1], -224., 0, "ONLY");
877 // gMC->Gspos("BRS4", 3, "ALIC", -430.+3, -180.+55./2.+rbox[1], 224., 0, "ONLY");
878 // gMC->Gspos("BRS4", 4, "ALIC", -430.+3, -180.+55./2.+rbox[1], -224., 0, "ONLY");
886 Float_t kBFMRin = 270.0;
888 Float_t kBFMRou = 417.5;
890 Float_t kBFMdz = 118.0;
894 Float_t kBFRdr = 7.5;
895 Float_t kBFRdz = 8.0;
901 Float_t kBFBdd = 0.6;
908 tpar[2] = kBFMdz / 2.;
909 gMC->Gsvolu("BFMO", "TUBE", kAir, tpar, 3);
911 // CBL ////////////////////////////////////////////////////////
916 ptrd1[0] = 47.4405 - 0.3;
917 ptrd1[1] = 61.1765 - 0.3;
918 ptrd1[2] = kBFMdz / 2.;
920 gMC->Gsvolu("BFTRD", "TRD1", kAir, ptrd1, 4);
921 gGeoManager->GetVolume("BFTRD")->SetVisibility(kFALSE);
923 for (i = 0; i < 18; i++) {
925 Float_t phiBF = i * 20.0;
926 dx = TMath::Sin(phiBF*kdeg2rad)*(342.0-12.62);
927 dy = -TMath::Cos(phiBF*kdeg2rad)*(342.0-12.62);
928 gMC->Gspos("BFTRD",i,"BFMO",dx,dy,0.0,idrotm[2034+i],"ONLY");
932 // CBL ////////////////////////////////////////////////////////
938 tpar[1] = tpar[0] + kBFRdr;
939 tpar[2] = kBFRdz / 2.;
941 gMC->Gsvolu("BFIR", "TUBE", kSteel, tpar, 3);
943 tpar[0] = tpar[0] + kBFBdd;
944 tpar[1] = tpar[1] - kBFBdd;
945 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
947 gMC->Gsvolu("BFII", "TUBE", kAir, tpar, 3);
948 gMC->Gspos("BFII", 1, "BFIR", 0., 0., 0., 0, "ONLY");
952 tpar[0] = kBFMRou - kBFRdr + 0.1;
954 tpar[2] = kBFRdz / 2.;
956 gMC->Gsvolu("BFOR", "TUBE", kSteel, tpar, 3);
958 tpar[0] = tpar[0] + kBFBdd;
959 tpar[1] = tpar[1] - kBFBdd;
960 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
962 gMC->Gsvolu("BFOO", "TUBE", kAir, tpar, 3);
963 gMC->Gspos("BFOO", 1, "BFOR", 0., 0., 0., 0, "ONLY");
966 dz = kBFMdz/2. - kBFRdz / 2.;
967 gMC->Gspos("BFIR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
968 gMC->Gspos("BFIR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
969 gMC->Gspos("BFOR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
970 gMC->Gspos("BFOR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
979 bpar[2] = kBFMdz/2. - kBFBd;
980 gMC->Gsvolu("BFLB", "BOX ", kSteel, bpar, 3);
982 bpar[0] = bpar[0] - kBFBdd;
983 bpar[1] = bpar[1] - kBFBdd;
984 bpar[2] = bpar[2] - kBFBdd;
985 gMC->Gsvolu("BFLL", "BOX ", kAir, bpar, 3);
986 gMC->Gspos("BFLL", 1, "BFLB", 0., 0., 0., 0, "ONLY");
988 for (i = 0; i < 18; i++)
990 Float_t ro = kBFMRou - kBFBd / 2. - 0.02;
991 Float_t ri = kBFMRin + kBFBd / 2.;
993 Float_t phi0 = Float_t(i) * 20.;
995 Float_t xb = ri * TMath::Cos(phi0 * kDegrad);
996 Float_t yb = ri * TMath::Sin(phi0 * kDegrad);
997 AliMatrix(idrotm[2090+i], 90.0, phi0, 90.0, phi0 + 270., 0., 0.);
999 gMC->Gspos("BFLB", i + 1, "BFMO", xb, yb, 0., idrotm[2090 + i], "ONLY");
1001 xb = ro * TMath::Cos(phi0 * kDegrad);
1002 yb = ro * TMath::Sin(phi0 * kDegrad);
1004 gMC->Gspos("BFLB", i + 19, "BFMO", xb, yb, 0., idrotm[2090 +i], "ONLY");
1010 bpar[0] = (kBFMRou - kBFMRin - 2. * kBFRdr) / 2.;
1014 // Avoid overlap with circle
1015 Float_t rr = kBFMRou - kBFRdr;
1016 Float_t delta = rr - TMath::Sqrt(rr * rr - kBFBd * kBFBd / 4.) + 0.01;
1017 bpar[0] -= delta /2.;
1020 gMC->Gsvolu("BFRB", "BOX ", kSteel, bpar, 3);
1022 bpar[0] = bpar[0] - kBFBdd;
1023 bpar[1] = bpar[1] - kBFBdd;
1024 bpar[2] = bpar[2] - kBFBdd;
1025 gMC->Gsvolu("BFRR", "BOX ", kAir, bpar, 3);
1026 gMC->Gspos("BFRR", 1, "BFRB", 0., 0., 0., 0, "ONLY");
1028 Int_t iphi[10] = {0, 1, 3, 6, 8, 9, 10, 12, 15, 17};
1030 for (i = 0; i < 10; i++)
1033 Float_t rb = (kBFMRin + kBFMRou)/2.;
1034 Float_t phib = Float_t(iphi[i]) * 20.;
1036 Float_t xb = rb * TMath::Cos(phib * kDegrad);
1037 Float_t yb = rb * TMath::Sin(phib * kDegrad);
1039 gMC->Gspos("BFRB", i + 1, "BFMO", xb, yb, dz, idrotm[2034 + iphi[i]], "ONLY");
1040 gMC->Gspos("BFRB", i + 11, "BFMO", xb, yb, -dz, idrotm[2034 + iphi[i]], "ONLY");
1044 gMC->Gspos("BFMO", i + 19, "ALIC", 0, 0, - 376. - kBFMdz/2. - 0.5 , 0, "ONLY");
1055 Float_t kBBMRin = 278.0;
1057 Float_t kBBMRou = 410.5;
1059 Float_t kBBMdz = 223.0;
1060 Float_t kBBBdz = 6.0;
1061 Float_t kBBBdd = 0.6;
1064 // The Mother volume
1071 ppgon[4] = -kBBMdz / 2. ;
1075 ppgon[7] = -ppgon[4];
1076 ppgon[8] = ppgon[5];
1077 ppgon[9] = ppgon[6];
1079 gMC->Gsvolu("BBMO", "PGON", kAir, ppgon, 10);
1080 gMC->Gsdvn("BBCE", "BBMO", 18, 2);
1082 // CBL ////////////////////////////////////////////////////////
1084 // TRD mother volume
1087 AliMatrix(idrotm[2092], 90.0, 90.0, 0.0, 0.0, 90.0, 0.0);
1089 ptrd1[0] = 47.4405 - 2.5;
1090 ptrd1[1] = 61.1765 - 2.5;
1091 ptrd1[2] = kBBMdz / 2.;
1093 gMC->Gsvolu("BBTRD", "TRD1", kAir, ptrd1, 4);
1094 gGeoManager->GetVolume("BBTRD")->SetVisibility(kFALSE);
1095 gMC->Gspos("BBTRD", 1, "BBCE", 342.0-12.62, 0.0, 0.0, idrotm[2092], "ONLY");
1097 // CBL ////////////////////////////////////////////////////////
1099 // Longitudinal bars
1100 bpar[0] = kBBBdz/2.;
1102 bpar[2] = kBBMdz/2. - kBBBdz;
1103 gMC->Gsvolu("BBLB", "BOX ", kSteel, bpar, 3);
1107 gMC->Gsvolu("BBLL", "BOX ", kAir, bpar, 3);
1108 gMC->Gspos("BBLL", 1, "BBLB", 0., 0., 0., 0, "ONLY");
1110 dx = kBBMRin + kBBBdz/2. + (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1111 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1112 gMC->Gspos("BBLB", 1, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1114 dx = kBBMRou - kBBBdz/2. - (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1115 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1117 gMC->Gspos("BBLB", 2, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1122 bpar[0] = (kBBMRou - kBBMRin) / 2. - kBBBdz;
1126 gMC->Gsvolu("BBRB", "BOX ", kSteel, bpar, 3);
1130 gMC->Gsvolu("BBRR", "BOX ", kAir, bpar, 3);
1131 gMC->Gspos("BBRR", 1, "BBRB", 0., 0., 0., 0, "ONLY");
1134 dx = (kBBMRou + kBBMRin) / 2.;
1135 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1136 dz = kBBMdz/2. - kBBBdz / 2.;
1138 gMC->Gspos("BBRB", 1, "BBCE", dx, dy, dz, idrotm[2052], "ONLY");
1139 gMC->Gspos("BBRB", 2, "BBCE", dx, dy, - dz, idrotm[2052], "ONLY");
1140 gMC->Gspos("BBRB", 3, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1147 bpar[1] = kBBMRin * TMath::Sin(10. * kDegrad);
1150 gMC->Gsvolu("BBC1", "BOX ", kSteel, bpar, 3);
1154 gMC->Gsvolu("BBC2", "BOX ", kAir, bpar, 3);
1155 gMC->Gspos("BBC2", 1, "BBC1", 0., 0., 0., 0, "ONLY");
1156 dx = kBBMRin + kBBBdz/2;
1158 gMC->Gspos("BBC1", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1159 gMC->Gspos("BBC1", 2, "BBCE", dx, dy, -dz, 0, "ONLY");
1162 bpar[1] = (kBBMRou - kBBBdz) * TMath::Sin(10. * kDegrad);
1165 gMC->Gsvolu("BBC3", "BOX ", kSteel, bpar, 3);
1169 gMC->Gsvolu("BBC4", "BOX ", kAir, bpar, 3);
1170 gMC->Gspos("BBC4", 1, "BBC3", 0., 0., 0., 0, "ONLY");
1171 dx = kBBMRou - kBBBdz/2;
1173 gMC->Gspos("BBC3", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1174 gMC->Gspos("BBC3", 2, "BBCE", dx, dy, - dz, 0, "ONLY");
1178 h = (kBBMRou - kBBMRin - 2. * kBBBdz);;
1180 dz = kBBMdz/2. - 1.6 * kBBBdz;
1183 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
1186 theta = kRaddeg * TMath::ACos(x);
1193 ptrap[5] = ptrap[4];
1195 ptrap[7] = ptrap[3];
1196 ptrap[8] = ptrap[4];
1197 ptrap[9] = ptrap[4];
1199 gMC->Gsvolu("BBD1", "TRAP", kSteel, ptrap, 11);
1200 ptrap[3] = d/2-kBBBdd;
1201 ptrap[4] = (d/2-kBBBdd)/x;
1202 ptrap[5] = ptrap[4];
1203 ptrap[7] = ptrap[3];
1204 ptrap[8] = ptrap[4];
1205 ptrap[9] = ptrap[4];
1206 gMC->Gsvolu("BBD3", "TRAP", kAir, ptrap, 11);
1207 gMC->Gspos("BBD3", 1, "BBD1", 0.0, 0.0, 0., 0, "ONLY");
1208 dx = (kBBMRou + kBBMRin) / 2.;
1209 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1210 gMC->Gspos("BBD1", 1, "BBCE", dx, dy, dz/2. + kBBBdz/2., idrotm[2052], "ONLY");
1218 ptrap[5] = ptrap[4];
1220 ptrap[7] = ptrap[3];
1221 ptrap[8] = ptrap[4];
1222 ptrap[9] = ptrap[4];
1224 gMC->Gsvolu("BBD2", "TRAP", kSteel, ptrap, 11);
1225 ptrap[3] = d/2-kBBBdd;
1226 ptrap[4] = (d/2-kBBBdd)/x;
1227 ptrap[5] = ptrap[4];
1228 ptrap[7] = ptrap[3];
1229 ptrap[8] = ptrap[4];
1230 ptrap[9] = ptrap[4];
1231 gMC->Gsvolu("BBD4", "TRAP", kAir, ptrap, 11);
1232 gMC->Gspos("BBD4", 1, "BBD2", 0.0, 0.0, 0., 0, "ONLY");
1233 dx = (kBBMRou + kBBMRin) / 2.;
1234 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1235 gMC->Gspos("BBD2", 1, "BBCE", dx, dy, -dz/2. - kBBBdz/2., idrotm[2052], "ONLY");
1238 gMC->Gspos("BBMO", 1, "ALIC", 0., 0., + 376. + kBBMdz / 2. + 0.5, 0, "ONLY");
1245 //___________________________________________
1246 void AliFRAMEv2::CreateMaterials()
1248 // Creates the materials
1249 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1251 epsil = 1.e-4; // Tracking precision,
1252 stemax = -0.01; // Maximum displacement for multiple scat
1253 tmaxfd = -20.; // Maximum angle due to field deflection
1254 deemax = -.3; // Maximum fractional energy loss, DLS
1256 Int_t isxfld = gAlice->Field()->Integ();
1257 Float_t sxmgmx = gAlice->Field()->Max();
1260 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1261 Float_t zsteel[4] = { 26.,24.,28.,14. };
1262 Float_t wsteel[4] = { .715,.18,.1,.005 };
1266 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1267 Float_t zAir[4]={6.,7.,8.,18.};
1268 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1269 Float_t dAir = 1.20479E-3;
1271 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1272 AliMixture(5, "AIR$ ", aAir, zAir, dAir,4, wAir);
1273 AliMaterial(9, "ALU ", 26.98, 13., 2.7, 8.9, 37.2);
1275 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1276 AliMedium( 5, "Air", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1277 AliMedium( 9, "Aluminum", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1281 //_____________________________________________________________________________
1282 void AliFRAMEv2::Init()
1285 // Initialise the module after the geometry has been defined
1287 if(AliLog::GetGlobalDebugLevel()>0) {
1288 printf("%s: **************************************"
1290 "**************************************\n",ClassName());
1291 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1292 printf("%s: **************************************"
1294 "**************************************\n",ClassName());
1297 // The reference volume id
1298 fRefVolumeId1 = gMC->VolId("BREF1");
1299 fRefVolumeId2 = gMC->VolId("BREF2");
1302 Int_t AliFRAMEv2::IsVersion() const
1304 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1306 if (fHoles == 0) version = 1;
1310 void AliFRAMEv2::StepManager()
1313 // Stepmanager of AliFRAMEv2.cxx
1314 // Used for recording of reference tracks entering the spaceframe mother volume
1319 // Only charged tracks
1320 if( !(gMC->TrackCharge()) ) return;
1322 // Only tracks entering mother volume
1325 id=gMC->CurrentVolID(copy);
1327 if ((id != fRefVolumeId1) && (id != fRefVolumeId2)) return;
1328 if(!gMC->IsTrackEntering()) return;
1330 // Add the reference track
1332 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kFRAME);
1337 void AliFRAMEv2::MakeHeatScreen(char* name, Float_t dyP, Int_t rot1, Int_t rot2)
1339 // Heat screen panel
1341 Int_t *idtmed = fIdtmed->GetArray()-1999;
1342 const Int_t kAir = idtmed[2004];
1343 const Int_t kAlu = idtmed[2008];
1355 Float_t dxP = 2. * (287. * TMath::Sin(10.* TMath::Pi()/180.) - 2.);
1360 thshM[0] = dxP / 2.;
1361 thshM[1] = dyP / 2.;
1362 thshM[2] = dzP / 2.;
1363 sprintf(mname, "BTSH_%s", name);
1364 gMC->Gsvolu(mname, "BOX ", kAir, thshM, 3);
1368 sprintf(cname, "BTSHA_%s", name);
1369 gMC->Gsvolu(cname, "BOX ", kAlu, thshM, 3);
1370 gMC->Gspos(cname, 1, mname, 0., 0., -0.5, 0);
1376 thshT[2] = (dyP / 2. - 8.);
1378 sprintf(t1name, "BTSHT1_%s", name);
1379 gMC->Gsvolu(t1name, "TUBE", kAlu, thshT, 3);
1380 dx = - dxP / 2. + 8. - 0.5;
1381 gMC->Gspos(t1name, 1, mname, dx, 0., 0.025, rot1);
1383 sprintf(t2name, "BTSHT2_%s", name);
1384 sprintf(t3name, "BTSHT3_%s", name);
1385 sprintf(t4name, "BTSHT4_%s", name);
1386 sprintf(t5name, "BTSHT5_%s", name);
1387 thshT[2] = (thshM[1] - 12.);
1388 gMC->Gsvolu(t2name, "TUBE", kAlu, thshT, 3);
1390 gMC->Gsvolu(t3name, "TUBE", kAlu, thshT, 3);
1392 gMC->Gsvolu(t4name, "TUBE", kAlu, thshT, 3);
1396 for (Int_t i = 0; i < 5; i++) {
1400 Float_t dy1 = - (thshM[1] - 15.5) * sig;
1401 Float_t dy2 = - (thshM[1] - 7.5) * sig;
1403 gMC->Gspos(t2name, ipo++, mname, dx, dy, 0.025, rot1);
1405 gMC->Gspos(t2name, ipo++, mname, dx, dy, 0.025, rot1);
1407 gMC->Gspos(t3name, i+1, mname, dx - 3.45, dy1, 0.025, rot2);
1408 gMC->Gspos(t4name, i+1, mname, dx - 3.45, dy2, 0.025, rot2);
1411 gMC->Gspos(t1name, 2, mname, dx, 0., 0.025, rot1);
1412 gMC->Gspos(t3name, 6, mname, dx - 3.45, -(thshM[1] - 7.5), 0.025, rot2);
1417 void AliFRAMEv2::WebFrame(char* name, Float_t dHz, Float_t theta0, Float_t phi0)
1420 // Create a web frame element
1422 Int_t *idtmed = fIdtmed->GetArray()-1999;
1423 const Float_t krad2deg = 180. / TMath::Pi();
1424 const Float_t kdeg2rad = 1. / krad2deg;
1425 const Int_t kAir = idtmed[2004];
1426 const Int_t kSteel = idtmed[2064];
1430 sprintf(nameA, "%sA", name );
1433 Float_t theta = TMath::ATan(TMath::Tan(theta0)/TMath::Sin(phi0));
1434 Float_t phi = TMath::ACos(TMath::Cos(theta0) * TMath::Cos(phi0));
1435 if (phi0 < 0) phi = -phi;
1443 ptrap[3] = 6./cos(theta0 * kdeg2rad)/2.;
1445 ptrap[5] = ptrap[4];
1447 ptrap[7] = ptrap[3];
1448 ptrap[8] = ptrap[4];
1449 ptrap[9] = ptrap[4];
1451 gMC->Gsvolu(name, "TRAP", kSteel, ptrap, 11);
1452 ptrap[3] = (6. - 1.)/cos(theta0 * kdeg2rad)/2.;
1454 ptrap[5] = ptrap[4];
1455 ptrap[7] = ptrap[3];
1456 ptrap[8] = ptrap[4];
1457 ptrap[9] = ptrap[4];
1459 gMC->Gsvolu(nameA, "TRAP", kAir, ptrap, 11);
1460 gMC->Gspos(nameA, 1, name, 0.0, -0.25, 0., 0, "ONLY");
1461 gGeoManager->GetVolume(name)->SetVisibility(1);