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 <TGeoCompositeShape.h>
26 #include <TGeoGlobalMagField.h>
27 #include <TGeoManager.h>
28 #include <TGeoMatrix.h>
32 #include <TVirtualMC.h>
34 #include "AliFRAMEv2.h"
40 #include "AliTrackReference.h"
48 //_____________________________________________________________________________
49 AliFRAMEv2::AliFRAMEv2():
55 //_____________________________________________________________________________
56 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
57 : AliFRAME(name,title),
63 //___________________________________________
64 void AliFRAMEv2::CreateGeometry()
68 <img src="picts/frame.gif">
75 <img src="picts/tree_frame.gif">
83 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
85 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
86 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
87 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
89 AliMatrix(idrotm[2086], 90.0, 0.0, 90.0, 90., 0.0, 0.0);
90 AliMatrix(idrotm[2087], 90.0, 180.0, 90.0, 270., 0.0, 0.0);
91 AliMatrix(idrotm[2088], 90.0, 90.0, 90.0, 180., 0.0, 0.0);
92 AliMatrix(idrotm[2089], 90.0, 90.0, 90.0, 0., 0.0, 0.0);
94 AliMatrix(idrotm[2090], 90.0, 0.0, 0.0, 0., 90.0, 90.0);
95 AliMatrix(idrotm[2091], 0.0, 0.0, 90.0, 90., 90.0, 0.0);
97 // Matrices have been imported from Euclid. Some simplification
101 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
102 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
103 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
104 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
105 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
106 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
107 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
108 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
109 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
110 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
111 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
112 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
113 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
114 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
115 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
116 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
118 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
119 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
120 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
121 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
122 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
123 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
124 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
125 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
127 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
128 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
129 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
130 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
131 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
132 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
133 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
136 Int_t *idtmed = fIdtmed->GetArray()-1999;
141 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
148 const Float_t kEps = 0.01;
149 const Int_t kAir = idtmed[2004];
150 const Int_t kSteel = idtmed[2064];
152 const Float_t krad2deg = 180. / TMath::Pi();
153 const Float_t kdeg2rad = 1. / krad2deg;
155 Float_t iFrH = 118.66; // Height of inner frame
156 Float_t ringH = 6.00; // Height of the ring bars
157 Float_t ringW = 10.00; // Width of the ring bars in z
158 Float_t longH = 6.00;
159 Float_t longW = 4.00;
161 Float_t dymodU[3] = {70.0, 224.0, 340.2};
162 Float_t dymodL[3] = {50.0, 175.0, 297.5};
166 // Frame mother volume
168 TGeoPgon* shB77A = new TGeoPgon(0., 360., 18, 2);
169 shB77A->SetName("shB77A");
170 shB77A->DefineSection( 0, -376.5, 280., 415.7);
171 shB77A->DefineSection( 1, 376.5, 280., 415.7);
172 TGeoBBox* shB77B = new TGeoBBox(3.42, 2., 375.5);
173 shB77B->SetName("shB77B");
174 TGeoTranslation* trB77A = new TGeoTranslation("trB77A", +283.32, 0., 0.);
175 TGeoTranslation* trB77B = new TGeoTranslation("trB77B", -283.32, 0., 0.);
176 trB77A->RegisterYourself();
177 trB77B->RegisterYourself();
178 TGeoCompositeShape* shB77 = new TGeoCompositeShape("shB77", "shB77A+shB77B:trB77A+shB77B:trB77B");
179 TGeoVolume* voB77 = new TGeoVolume("B077", shB77, gGeoManager->GetMedium("FRAME_Air"));
180 voB77->SetName("B077"); // just to avoid a warning
181 TVirtualMC::GetMC()->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
183 // Reference plane #1 for TRD
184 TGeoPgon* shBREFA = new TGeoPgon(0.0, 360., 18, 2);
185 shBREFA->DefineSection( 0, -376., 280., 280.1);
186 shBREFA->DefineSection( 1, 376., 280., 280.1);
187 shBREFA->SetName("shBREFA");
188 TGeoCompositeShape* shBREF1 = new TGeoCompositeShape("shBREF1", "shBREFA-(shB77B:trB77A+shB77B:trB77B)");
189 TGeoVolume* voBREF = new TGeoVolume("BREF1", shBREF1, gGeoManager->GetMedium("FRAME_Air"));
190 voBREF->SetVisibility(0);
191 TVirtualMC::GetMC()->Gspos("BREF1", 1, "B077", 0., 0., 0., 0, "ONLY");
212 ppgon[7] = -ppgon[4];
215 TVirtualMC::GetMC()->Gsvolu("B076", "PGON", kAir, ppgon, 10);
216 TVirtualMC::GetMC()->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
220 dz = 2. * 410.2 * TMath::Sin(10.*kdeg2rad) - 2. *dol * TMath::Cos(10.*kdeg2rad)- 2. * doh * TMath::Tan(10.*kdeg2rad);
222 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
225 TGeoVolumeAssembly* asBI42 = new TGeoVolumeAssembly("BI42");
227 ptrd1[0] = l2 - 0.6 * TMath::Tan(10.*kdeg2rad);
231 TVirtualMC::GetMC()->Gsvolu("BIH142", "TRD1", kSteel, ptrd1, 4);
233 ptrd1[1] = l1 + 0.6 * TMath::Tan(10.*kdeg2rad);
236 TVirtualMC::GetMC()->Gsvolu("BIH242", "TRD1", kSteel, ptrd1, 4);
239 ptrd1[0] = l1 + 0.6 * TMath::Tan(10.*kdeg2rad);
240 ptrd1[1] = l2 - 0.6 * TMath::Tan(10.*kdeg2rad);
243 TVirtualMC::GetMC()->Gsvolu("BIV42", "TRD1", kSteel, ptrd1, 4);
245 asBI42->AddNode(gGeoManager->GetVolume("BIV42"), 1, new TGeoTranslation(0., 0., 0.));
246 asBI42->AddNode(gGeoManager->GetVolume("BIH142"), 1, new TGeoTranslation(0., 0., 3.7));
247 asBI42->AddNode(gGeoManager->GetVolume("BIH242"), 1, new TGeoTranslation(0., 0., -3.7));
256 TVirtualMC::GetMC()->Gsvolu("B033", "BOX", kSteel, pbox, 3);
259 TVirtualMC::GetMC()->Gsvolu("B034", "BOX", kAir, pbox, 3);
260 TVirtualMC::GetMC()->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
269 TVirtualMC::GetMC()->Gsvolu("B080", "BOX", kSteel, pbox, 3);
273 TVirtualMC::GetMC()->Gsvolu("B081", "BOX", kAir, pbox, 3);
274 TVirtualMC::GetMC()->Gspos("B081", 1, "B080", 0., 0., 0., 0, "ONLY");
276 // Small 2nd reference plane elemenet
280 TVirtualMC::GetMC()->Gsvolu("BREF2", "BOX", kAir, pbox, 3);
281 TVirtualMC::GetMC()->Gspos("BREF2", 1, "B080", 3.37 - 0.05, 0., 0., 0, "ONLY");
283 TVirtualMC::GetMC()->Gspos("B080", 1, "B077", 283.3, 0., 0., 0, "ONLY");
284 TVirtualMC::GetMC()->Gspos("B080", 2, "B077", -283.3, 0., 0., idrotm[2087], "ONLY");
290 Float_t h, d, dq, x, theta;
292 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
296 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
299 theta = krad2deg * TMath::ACos(x);
313 TVirtualMC::GetMC()->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
315 ptrap[4] = (dol-ds)/x;
320 TVirtualMC::GetMC()->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
321 TVirtualMC::GetMC()->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
330 h = (2.*dymodU[0]-2.*dol)*.999;
337 TVirtualMC::GetMC()->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
341 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
342 theta = krad2deg * TMath::ACos(x);
344 ptrap[0] = dz/2.-kEps;
354 TVirtualMC::GetMC()->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
355 ptrap[0] = ptrap[0]-kEps;
357 ptrap[4] = (dol-ds)/x;
362 TVirtualMC::GetMC()->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
363 TVirtualMC::GetMC()->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
364 TVirtualMC::GetMC()->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
367 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
368 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
369 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
373 ptrap[1] = theta2*krad2deg;
376 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
384 TVirtualMC::GetMC()->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
385 Float_t ddx0 = ptrap[8];
387 Float_t dd1s = dd1*(1.-2.*ds/d);
388 Float_t dd2s = dd2*(1.-2.*ds/d);
389 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
393 ptrap[1] = theta2s*krad2deg;
396 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
400 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
403 TVirtualMC::GetMC()->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
404 TVirtualMC::GetMC()->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
406 Float_t ddx, ddz, drx, drz, rtheta;
408 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
409 rtheta = (90.-theta)*kdeg2rad;
410 ddx = -ddx0-dol*TMath::Tan(theta2);
413 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
414 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
415 TVirtualMC::GetMC()->Gspos("B051", 1, "BM49",
417 idrotm[2001], "ONLY");
419 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
420 rtheta = (270.-theta)*kdeg2rad;
422 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
423 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
424 TVirtualMC::GetMC()->Gspos("B051", 2, "BM49",
426 idrotm[2002], "ONLY");
431 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
433 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
434 theta = krad2deg * TMath::ACos(x);
445 TVirtualMC::GetMC()->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
447 ptrap[4] = (dol-ds)/x;
452 TVirtualMC::GetMC()->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
453 TVirtualMC::GetMC()->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
456 // Positioning of diagonal bars
459 dz = (dymodU[1]+dymodU[0])/2.;
460 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
466 dx = rd * TMath::Sin(phi*kdeg2rad);
467 dy = rd * TMath::Cos(phi*kdeg2rad);
470 TVirtualMC::GetMC()->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
471 TVirtualMC::GetMC()->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
472 TVirtualMC::GetMC()->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
473 TVirtualMC::GetMC()->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
481 dx = rd * TMath::Sin(phi*kdeg2rad);
482 dy = rd * TMath::Cos(phi*kdeg2rad);
484 TVirtualMC::GetMC()->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
485 TVirtualMC::GetMC()->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
486 TVirtualMC::GetMC()->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
487 TVirtualMC::GetMC()->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
494 dx = rd * TMath::Sin(phi*kdeg2rad);
495 dy = rd * TMath::Cos(phi*kdeg2rad);
497 TVirtualMC::GetMC()->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
498 TVirtualMC::GetMC()->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
499 TVirtualMC::GetMC()->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
500 TVirtualMC::GetMC()->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
502 TVirtualMC::GetMC()->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
503 TVirtualMC::GetMC()->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
504 TVirtualMC::GetMC()->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
505 TVirtualMC::GetMC()->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
507 TVirtualMC::GetMC()->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
508 TVirtualMC::GetMC()->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
509 TVirtualMC::GetMC()->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
510 TVirtualMC::GetMC()->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
512 TVirtualMC::GetMC()->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
513 TVirtualMC::GetMC()->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
516 // The internal frame
526 ptrd1[3] = iFrH / 2.;
529 Float_t rout1 = 405.5;
530 Float_t rout2 = 411.55;
533 for (i = 0; i < 18; i++) {
538 if (mod > 17) mod -= 18;
539 snprintf(name, 16, "BSEGMO%d", mod);
540 TVirtualMC::GetMC()->Gsvolu(name, "TRD1", kAir, ptrd1, 4);
541 gGeoManager->GetVolume(name)->SetVisibility(kFALSE);
545 Float_t phi1 = i * 20.;
546 Float_t phi2 = 270 + phi1;
547 if (phi2 >= 360.) phi2 -= 360.;
549 dx = TMath::Sin(phi1*kdeg2rad)*r;
550 dy = -TMath::Cos(phi1*kdeg2rad)*r;
553 snprintf(nameR, 16, "B43_Rot_%d", i);
554 TGeoRotation* rot = new TGeoRotation(nameR, 90.0, phi1, 0., 0., 90., phi2);
555 AliMatrix(idrotm[2034+i], 90.0, phi1, 0., 0., 90., phi2);
556 TGeoVolume* vol77 = gGeoManager->GetVolume("B077");
557 TGeoVolume* volS = gGeoManager->GetVolume(name);
558 vol77->AddNode(volS, 1, new TGeoCombiTrans(dx, dy, 0., rot));
561 // Position elements of outer Frame
563 dx = TMath::Sin(phi1*kdeg2rad)*rout1;
564 dy = -TMath::Cos(phi1*kdeg2rad)*rout1;
565 for (j = 0; j < 3; j++)
568 TGeoVolume* vol = gGeoManager->GetVolume("B076");
569 vol->AddNode(asBI42, 6*i+2*j+1, new TGeoCombiTrans(dx, dy, dz, rot));
570 vol->AddNode(asBI42, 6*i+2*j+2, new TGeoCombiTrans(dx, dy, -dz, rot));
575 AliMatrix(idrotm[2052+i], 90.0, phi1, 90., phi2, 0., 0.);
577 dx = TMath::Sin(phi1*kdeg2rad)*rout2;
578 dy = -TMath::Cos(phi1*kdeg2rad)*rout2;
579 TVirtualMC::GetMC()->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
582 // Internal Frame rings
585 // 60x60x5x6 for inner rings (I-beam)
586 // 100x60x5 for front and rear rings
589 ptrd1[0] = 287. * TMath::Sin(10.* kdeg2rad) - 2.1;
590 ptrd1[1] = 293. * TMath::Sin(10.* kdeg2rad) - 2.1;
594 TVirtualMC::GetMC()->Gsvolu("B072", "TRD1", kSteel, ptrd1, 4);
596 ptrd1[0] = 287.5 * TMath::Sin(10. * kdeg2rad) - 2.1;
597 ptrd1[1] = 292.5 * TMath::Sin(10. * kdeg2rad) - 2.1;
598 ptrd1[2] = ringW / 2. - 0.5;
599 ptrd1[3] = ringH / 2. - 0.5;
601 TVirtualMC::GetMC()->Gsvolu("B073", "TRD1", kAir, ptrd1, 4);
602 TVirtualMC::GetMC()->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
606 TGeoVolumeAssembly* asBI72 = new TGeoVolumeAssembly("BI72");
608 ptrd1[0] = 292.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
609 ptrd1[1] = 293.0 * TMath::Sin(10.* kdeg2rad) - 2.1;
612 TVirtualMC::GetMC()->Gsvolu("BIH172", "TRD1", kSteel, ptrd1, 4);
613 ptrd1[0] = 287.0 * TMath::Sin(10.* kdeg2rad) - 2.1;
614 ptrd1[1] = 287.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
617 TVirtualMC::GetMC()->Gsvolu("BIH272", "TRD1", kSteel, ptrd1, 4);
620 ptrd1[0] = 287.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
621 ptrd1[1] = 292.5 * TMath::Sin(10.* kdeg2rad) - 2.1;
624 TVirtualMC::GetMC()->Gsvolu("BIV72", "TRD1", kSteel, ptrd1, 4);
626 asBI72->AddNode(gGeoManager->GetVolume("BIV72"), 1, new TGeoTranslation(0., 0., 0.));
627 asBI72->AddNode(gGeoManager->GetVolume("BIH172"), 1, new TGeoTranslation(0., 0., 2.75));
628 asBI72->AddNode(gGeoManager->GetVolume("BIH272"), 1, new TGeoTranslation(0., 0., -2.75));
630 // Web frame 0-degree
632 // h x w x s = 60x40x5
633 // (attention: element is are half bars, "U" shaped)
635 Float_t dHz = 112.66;
637 WebFrame("B063", dHz, 10.0, 10.);
638 WebFrame("B063I", dHz, 10.0, -10.);
640 WebFrame("B163", dHz, -40.0, 10.);
641 WebFrame("B163I", dHz, -40.0, -10.);
643 WebFrame("B263", dHz, 20.0, 10.);
644 WebFrame("B263I", dHz, 20.0, -10.);
646 WebFrame("B363", dHz, -27.1, 10.);
647 WebFrame("B363I", dHz, -27.1, -10.);
649 WebFrame("B463", dHz, 18.4, 10.);
650 WebFrame("B463I", dHz, 18.4, -10.);
653 dz = -iFrH/2.+ringH/2.+kEps;
655 Float_t dx0 = 49.8 + dHz/2. * TMath::Tan(10. * kdeg2rad) + 0.035;
657 for (jmod = 0; jmod< 18; jmod++)
660 for (i = 0; i < 3; i++) {
661 // if ((i == 2) || (jmod ==0) || (jmod == 8)) {
663 TVirtualMC::GetMC()->Gspos("B072", 6*jmod+i+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
664 TVirtualMC::GetMC()->Gspos("B072", 6*jmod+i+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
666 TGeoVolume* vol = gGeoManager->GetVolume(module[jmod]);
667 vol->AddNode(asBI72, 6*jmod+i+1, new TGeoTranslation(0, dymodL[i], dz));
668 vol->AddNode(asBI72, 6*jmod+i+4, new TGeoTranslation(0, -dymodL[i], dz));
673 // outer diagonal web
675 dy = dymodL[0] + (dHz/2. - 4.) * TMath::Tan(10. * kdeg2rad);
677 for (jmod = 0; jmod < 18; jmod++) {
678 TVirtualMC::GetMC()->Gspos("B063", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
679 TVirtualMC::GetMC()->Gspos("B063I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
680 TVirtualMC::GetMC()->Gspos("B063", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
681 TVirtualMC::GetMC()->Gspos("B063I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
684 dy = 73.6 + (dHz/2. + 4.) * TMath::Tan(40. * kdeg2rad);
686 for (jmod = 0; jmod < 18; jmod++) {
687 TVirtualMC::GetMC()->Gspos("B163", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
688 TVirtualMC::GetMC()->Gspos("B163I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
689 TVirtualMC::GetMC()->Gspos("B163", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
690 TVirtualMC::GetMC()->Gspos("B163I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
693 dy = 224.5 - (dHz/2 + 4.) * TMath::Tan(20. * kdeg2rad);
695 for (jmod = 0; jmod < 18; jmod++) {
696 TVirtualMC::GetMC()->Gspos("B263", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
697 TVirtualMC::GetMC()->Gspos("B263I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
698 TVirtualMC::GetMC()->Gspos("B263", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
699 TVirtualMC::GetMC()->Gspos("B263I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
702 dy = 231.4 + (dHz/2.+ 4.) * TMath::Tan(27.1 * kdeg2rad);
704 for (jmod = 0; jmod < 18; jmod++) {
705 TVirtualMC::GetMC()->Gspos("B363", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
706 TVirtualMC::GetMC()->Gspos("B363I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
707 TVirtualMC::GetMC()->Gspos("B363", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
708 TVirtualMC::GetMC()->Gspos("B363I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
711 dy = 340.2 - (dHz/2.+ 4.) * TMath::Tan(18.4 * kdeg2rad);
713 for (jmod = 0; jmod < 18; jmod++) {
714 TVirtualMC::GetMC()->Gspos("B463", 4*jmod+1, module[jmod], dx0, dy, dz0, idrotm[2086], "ONLY");
715 TVirtualMC::GetMC()->Gspos("B463I", 4*jmod+2, module[jmod], dx0, -dy, dz0, idrotm[2087], "ONLY");
716 TVirtualMC::GetMC()->Gspos("B463", 4*jmod+3, module[jmod], -dx0, -dy, dz0, idrotm[2087], "ONLY");
717 TVirtualMC::GetMC()->Gspos("B463I", 4*jmod+4, module[jmod], -dx0, dy, dz0, idrotm[2086], "ONLY");
720 // longitudinal bars (TPC rails attached)
722 // h x w x s = 100 x 75 x 6
724 // Attention: 2 "U" shaped half rods per cell
739 // TVirtualMC::GetMC()->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
746 //TVirtualMC::GetMC()->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
747 //TVirtualMC::GetMC()->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
750 // longitudinal bars (no TPC rails attached)
751 // new specs: h x w x s = 40 x 60 x 5
762 TVirtualMC::GetMC()->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
763 ptrap[0] = longW/4.-0.25;
764 ptrap[4] = longH/2.-0.50;
769 TVirtualMC::GetMC()->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
770 TVirtualMC::GetMC()->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
772 dz = -iFrH/2. + longH/2.;
774 for (jmod = 0; jmod < 18; jmod++) {
775 TVirtualMC::GetMC()->Gspos("BA59", 2*jmod+1, module[jmod], 49.31, 0.0, dz, idrotm[2084], "ONLY");
776 TVirtualMC::GetMC()->Gspos("BA59", 2*jmod+2, module[jmod], -49.31, 0.0, dz, idrotm[2083], "ONLY");
785 MakeHeatScreen("M", dyM, idrotm[2090], idrotm[2091]);
786 Float_t dyAM = 119.5;
787 MakeHeatScreen("AM", dyAM, idrotm[2090], idrotm[2091]);
788 Float_t dyA = 122.5 - 5.5;
789 MakeHeatScreen("A" , dyA, idrotm[2090], idrotm[2091]);
795 for (i = 0; i < 18; i++) {
798 snprintf(nameMo, 16, "BSEGMO%d",i);
800 TVirtualMC::GetMC()->Gspos("BTSH_M" , i+1 , nameMo, 0., 0., dz, 0, "ONLY");
802 dy = dymodL[0] + dyAM / 2. + 3.;
803 TVirtualMC::GetMC()->Gspos("BTSH_AM", i+ 1, nameMo, 0., dy, dz, 0, "ONLY");
804 TVirtualMC::GetMC()->Gspos("BTSH_AM", i+19, nameMo, 0., -dy, dz, 0, "ONLY");
806 dy = dymodL[1] + dyA / 2 + 0.4;
807 TVirtualMC::GetMC()->Gspos("BTSH_A" , i+ 1, nameMo, 0., dy, dz, 0, "ONLY");
808 TVirtualMC::GetMC()->Gspos("BTSH_A" , i+19, nameMo, 0., -dy, dz, 0, "ONLY");
813 // TRD mother volumes
816 ptrd1[0] = 47.4405; // CBL 28/6/2006
817 ptrd1[1] = 61.1765; // CBL
818 ptrd1[2] = 375.5; // CBL
819 ptrd1[3] = 38.95; // CBL
821 for (i = 0; i < 18; i++) {
823 snprintf(nameCh, 16, "BTRD%d",i);
825 snprintf(nameMo, 16, "BSEGMO%d",i);
826 TVirtualMC::GetMC()->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
827 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
828 TVirtualMC::GetMC()->Gspos(nameCh, 1, nameMo, 0., 0., -12.62, 0, "ONLY"); // CBL 28/6/2006
832 // TOF mother volumes as modified by B.Guerzoni
833 // to remove overlaps/extrusions in case of aligned TOF SMs
840 snprintf(nameChA, 16, "BTOFA");
841 TGeoTrd1 *trd1=new TGeoTrd1(nameChA,ptrd1[0],ptrd1[1],ptrd1[2],ptrd1[3]);
842 trd1->SetName("BTOFA"); // just to avoid a warning
844 snprintf(nameChB, 16, "BTOFB");
845 TGeoBBox *box1 = new TGeoBBox(nameChB,64.25 ,372.6, 14.525/2);
846 box1->SetName("BTOFB"); // just to avoid a warning
847 TGeoTranslation *tr1 = new TGeoTranslation("trnsl1",0, 0, -14.525/2 );
848 tr1->RegisterYourself();
849 TGeoTranslation *tr2 = new TGeoTranslation("trnsl2",0, 0, +14.525/2 );
850 tr2->RegisterYourself();
851 TGeoCompositeShape *btofcs =new TGeoCompositeShape("Btofcs","(BTOFA:trnsl1)+(BTOFB:trnsl2)");
854 for (i = 0; i < 18; i++) {
856 snprintf(nameCh, 16, "BTOF%d",i);
858 snprintf(nameMo, 16, "BSEGMO%d",i);
859 TGeoVolume* btf = new TGeoVolume(nameCh, btofcs, gGeoManager->GetMedium("FRAME_Air"));
860 btf->SetName(nameCh);
861 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
862 TVirtualMC::GetMC()->Gspos(nameCh, 1, nameMo, 0., 0., 43.525, 0, "ONLY");
865 // Geometry of Rails starts here
869 // Rails for space-frame
876 TVirtualMC::GetMC()->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
880 TVirtualMC::GetMC()->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
884 TVirtualMC::GetMC()->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
886 TVirtualMC::GetMC()->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
887 TVirtualMC::GetMC()->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
888 TVirtualMC::GetMC()->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
889 TVirtualMC::GetMC()->Gspos("BRS1", 1, "ALIC", -430.-3., -190., 0., 0, "ONLY");
890 TVirtualMC::GetMC()->Gspos("BRS1", 2, "ALIC", 430.+3., -190., 0., 0, "ONLY");
895 TVirtualMC::GetMC()->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
897 TVirtualMC::GetMC()->Gspos("BRS4", 1, "ALIC", 430.+3., -190.+55./2.+rbox[1], 224., 0, "ONLY");
898 TVirtualMC::GetMC()->Gspos("BRS4", 2, "ALIC", 430.+3., -190.+55./2.+rbox[1], -224., 0, "ONLY");
899 // TVirtualMC::GetMC()->Gspos("BRS4", 3, "ALIC", -430.+3, -180.+55./2.+rbox[1], 224., 0, "ONLY");
900 // TVirtualMC::GetMC()->Gspos("BRS4", 4, "ALIC", -430.+3, -180.+55./2.+rbox[1], -224., 0, "ONLY");
908 Float_t kBFMRin = 270.0;
910 Float_t kBFMRou = 417.5;
912 Float_t kBFMdz = 118.0;
916 Float_t kBFRdr = 7.5;
917 Float_t kBFRdz = 8.0;
923 Float_t kBFBdd = 0.6;
930 tpar[2] = kBFMdz / 2.;
931 TVirtualMC::GetMC()->Gsvolu("BFMO", "TUBE", kAir, tpar, 3);
933 // CBL ////////////////////////////////////////////////////////
938 ptrd1[0] = 47.4405 - 0.3;
939 ptrd1[1] = 61.1765 - 0.3;
940 ptrd1[2] = kBFMdz / 2.;
942 TVirtualMC::GetMC()->Gsvolu("BFTRD", "TRD1", kAir, ptrd1, 4);
943 gGeoManager->GetVolume("BFTRD")->SetVisibility(kFALSE);
945 for (i = 0; i < 18; i++) {
947 Float_t phiBF = i * 20.0;
948 dx = TMath::Sin(phiBF*kdeg2rad)*(342.0-12.62);
949 dy = -TMath::Cos(phiBF*kdeg2rad)*(342.0-12.62);
950 TVirtualMC::GetMC()->Gspos("BFTRD",i,"BFMO",dx,dy,0.0,idrotm[2034+i],"ONLY");
954 // CBL ////////////////////////////////////////////////////////
960 tpar[1] = tpar[0] + kBFRdr;
961 tpar[2] = kBFRdz / 2.;
963 TVirtualMC::GetMC()->Gsvolu("BFIR", "TUBE", kSteel, tpar, 3);
965 tpar[0] = tpar[0] + kBFBdd;
966 tpar[1] = tpar[1] - kBFBdd;
967 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
969 TVirtualMC::GetMC()->Gsvolu("BFII", "TUBE", kAir, tpar, 3);
970 TVirtualMC::GetMC()->Gspos("BFII", 1, "BFIR", 0., 0., 0., 0, "ONLY");
974 tpar[0] = kBFMRou - kBFRdr + 0.1;
976 tpar[2] = kBFRdz / 2.;
978 TVirtualMC::GetMC()->Gsvolu("BFOR", "TUBE", kSteel, tpar, 3);
980 tpar[0] = tpar[0] + kBFBdd;
981 tpar[1] = tpar[1] - kBFBdd;
982 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
984 TVirtualMC::GetMC()->Gsvolu("BFOO", "TUBE", kAir, tpar, 3);
985 TVirtualMC::GetMC()->Gspos("BFOO", 1, "BFOR", 0., 0., 0., 0, "ONLY");
988 dz = kBFMdz/2. - kBFRdz / 2.;
989 TVirtualMC::GetMC()->Gspos("BFIR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
990 TVirtualMC::GetMC()->Gspos("BFIR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
991 TVirtualMC::GetMC()->Gspos("BFOR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
992 TVirtualMC::GetMC()->Gspos("BFOR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1001 bpar[2] = kBFMdz/2. - kBFBd;
1002 TVirtualMC::GetMC()->Gsvolu("BFLB", "BOX ", kSteel, bpar, 3);
1004 bpar[0] = bpar[0] - kBFBdd;
1005 bpar[1] = bpar[1] - kBFBdd;
1006 bpar[2] = bpar[2] - kBFBdd;
1007 TVirtualMC::GetMC()->Gsvolu("BFLL", "BOX ", kAir, bpar, 3);
1008 TVirtualMC::GetMC()->Gspos("BFLL", 1, "BFLB", 0., 0., 0., 0, "ONLY");
1010 for (i = 0; i < 18; i++)
1012 Float_t ro = kBFMRou - kBFBd / 2. - 0.02;
1013 Float_t ri = kBFMRin + kBFBd / 2.;
1015 Float_t phi0 = Float_t(i) * 20.;
1017 Float_t xb = ri * TMath::Cos(phi0 * kDegrad);
1018 Float_t yb = ri * TMath::Sin(phi0 * kDegrad);
1019 AliMatrix(idrotm[2090+i], 90.0, phi0, 90.0, phi0 + 270., 0., 0.);
1021 TVirtualMC::GetMC()->Gspos("BFLB", i + 1, "BFMO", xb, yb, 0., idrotm[2090 + i], "ONLY");
1023 xb = ro * TMath::Cos(phi0 * kDegrad);
1024 yb = ro * TMath::Sin(phi0 * kDegrad);
1026 TVirtualMC::GetMC()->Gspos("BFLB", i + 19, "BFMO", xb, yb, 0., idrotm[2090 +i], "ONLY");
1032 bpar[0] = (kBFMRou - kBFMRin - 2. * kBFRdr) / 2.;
1036 // Avoid overlap with circle
1037 Float_t rr = kBFMRou - kBFRdr;
1038 Float_t delta = rr - TMath::Sqrt(rr * rr - kBFBd * kBFBd / 4.) + 0.01;
1039 bpar[0] -= delta /2.;
1042 TVirtualMC::GetMC()->Gsvolu("BFRB", "BOX ", kSteel, bpar, 3);
1044 bpar[0] = bpar[0] - kBFBdd;
1045 bpar[1] = bpar[1] - kBFBdd;
1046 bpar[2] = bpar[2] - kBFBdd;
1047 TVirtualMC::GetMC()->Gsvolu("BFRR", "BOX ", kAir, bpar, 3);
1048 TVirtualMC::GetMC()->Gspos("BFRR", 1, "BFRB", 0., 0., 0., 0, "ONLY");
1050 Int_t iphi[10] = {0, 1, 3, 6, 8, 9, 10, 12, 15, 17};
1052 for (i = 0; i < 10; i++)
1055 Float_t rb = (kBFMRin + kBFMRou)/2.;
1056 Float_t phib = Float_t(iphi[i]) * 20.;
1058 Float_t xb = rb * TMath::Cos(phib * kDegrad);
1059 Float_t yb = rb * TMath::Sin(phib * kDegrad);
1061 TVirtualMC::GetMC()->Gspos("BFRB", i + 1, "BFMO", xb, yb, dz, idrotm[2034 + iphi[i]], "ONLY");
1062 TVirtualMC::GetMC()->Gspos("BFRB", i + 11, "BFMO", xb, yb, -dz, idrotm[2034 + iphi[i]], "ONLY");
1066 TVirtualMC::GetMC()->Gspos("BFMO", i + 19, "ALIC", 0, 0, - 376. - kBFMdz/2. - 0.5 , 0, "ONLY");
1077 Float_t kBBMRin = 278.0;
1079 Float_t kBBMRou = 410.5;
1081 Float_t kBBMdz = 223.0;
1082 Float_t kBBBdz = 6.0;
1083 Float_t kBBBdd = 0.6;
1086 // The Mother volume
1093 ppgon[4] = -kBBMdz / 2. ;
1097 ppgon[7] = -ppgon[4];
1098 ppgon[8] = ppgon[5];
1099 ppgon[9] = ppgon[6];
1101 TVirtualMC::GetMC()->Gsvolu("BBMO", "PGON", kAir, ppgon, 10);
1102 TVirtualMC::GetMC()->Gsdvn("BBCE", "BBMO", 18, 2);
1104 // CBL ////////////////////////////////////////////////////////
1106 // TRD mother volume
1109 AliMatrix(idrotm[2092], 90.0, 90.0, 0.0, 0.0, 90.0, 0.0);
1111 ptrd1[0] = 47.4405 - 2.5;
1112 ptrd1[1] = 61.1765 - 2.5;
1113 ptrd1[2] = kBBMdz / 2.;
1115 TVirtualMC::GetMC()->Gsvolu("BBTRD", "TRD1", kAir, ptrd1, 4);
1116 gGeoManager->GetVolume("BBTRD")->SetVisibility(kFALSE);
1117 TVirtualMC::GetMC()->Gspos("BBTRD", 1, "BBCE", 342.0-12.62, 0.0, 0.0, idrotm[2092], "ONLY");
1119 // CBL ////////////////////////////////////////////////////////
1121 // Longitudinal bars
1122 bpar[0] = kBBBdz/2.;
1124 bpar[2] = kBBMdz/2. - kBBBdz;
1125 TVirtualMC::GetMC()->Gsvolu("BBLB", "BOX ", kSteel, bpar, 3);
1129 TVirtualMC::GetMC()->Gsvolu("BBLL", "BOX ", kAir, bpar, 3);
1130 TVirtualMC::GetMC()->Gspos("BBLL", 1, "BBLB", 0., 0., 0., 0, "ONLY");
1132 dx = kBBMRin + kBBBdz/2. + (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1133 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1134 TVirtualMC::GetMC()->Gspos("BBLB", 1, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1136 dx = kBBMRou - kBBBdz/2. - (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1137 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1139 TVirtualMC::GetMC()->Gspos("BBLB", 2, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1144 bpar[0] = (kBBMRou - kBBMRin) / 2. - kBBBdz;
1148 TVirtualMC::GetMC()->Gsvolu("BBRB", "BOX ", kSteel, bpar, 3);
1152 TVirtualMC::GetMC()->Gsvolu("BBRR", "BOX ", kAir, bpar, 3);
1153 TVirtualMC::GetMC()->Gspos("BBRR", 1, "BBRB", 0., 0., 0., 0, "ONLY");
1156 dx = (kBBMRou + kBBMRin) / 2.;
1157 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1158 dz = kBBMdz/2. - kBBBdz / 2.;
1160 TVirtualMC::GetMC()->Gspos("BBRB", 1, "BBCE", dx, dy, dz, idrotm[2052], "ONLY");
1161 TVirtualMC::GetMC()->Gspos("BBRB", 2, "BBCE", dx, dy, - dz, idrotm[2052], "ONLY");
1162 TVirtualMC::GetMC()->Gspos("BBRB", 3, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1169 bpar[1] = kBBMRin * TMath::Sin(10. * kDegrad);
1172 TVirtualMC::GetMC()->Gsvolu("BBC1", "BOX ", kSteel, bpar, 3);
1176 TVirtualMC::GetMC()->Gsvolu("BBC2", "BOX ", kAir, bpar, 3);
1177 TVirtualMC::GetMC()->Gspos("BBC2", 1, "BBC1", 0., 0., 0., 0, "ONLY");
1178 dx = kBBMRin + kBBBdz/2;
1180 TVirtualMC::GetMC()->Gspos("BBC1", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1181 TVirtualMC::GetMC()->Gspos("BBC1", 2, "BBCE", dx, dy, -dz, 0, "ONLY");
1184 bpar[1] = (kBBMRou - kBBBdz) * TMath::Sin(10. * kDegrad);
1187 TVirtualMC::GetMC()->Gsvolu("BBC3", "BOX ", kSteel, bpar, 3);
1191 TVirtualMC::GetMC()->Gsvolu("BBC4", "BOX ", kAir, bpar, 3);
1192 TVirtualMC::GetMC()->Gspos("BBC4", 1, "BBC3", 0., 0., 0., 0, "ONLY");
1193 dx = kBBMRou - kBBBdz/2;
1195 TVirtualMC::GetMC()->Gspos("BBC3", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1196 TVirtualMC::GetMC()->Gspos("BBC3", 2, "BBCE", dx, dy, - dz, 0, "ONLY");
1200 h = (kBBMRou - kBBMRin - 2. * kBBBdz);;
1202 dz = kBBMdz/2. - 1.6 * kBBBdz;
1205 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
1208 theta = kRaddeg * TMath::ACos(x);
1215 ptrap[5] = ptrap[4];
1217 ptrap[7] = ptrap[3];
1218 ptrap[8] = ptrap[4];
1219 ptrap[9] = ptrap[4];
1221 TVirtualMC::GetMC()->Gsvolu("BBD1", "TRAP", kSteel, ptrap, 11);
1222 ptrap[3] = d/2-kBBBdd;
1223 ptrap[4] = (d/2-kBBBdd)/x;
1224 ptrap[5] = ptrap[4];
1225 ptrap[7] = ptrap[3];
1226 ptrap[8] = ptrap[4];
1227 ptrap[9] = ptrap[4];
1228 TVirtualMC::GetMC()->Gsvolu("BBD3", "TRAP", kAir, ptrap, 11);
1229 TVirtualMC::GetMC()->Gspos("BBD3", 1, "BBD1", 0.0, 0.0, 0., 0, "ONLY");
1230 dx = (kBBMRou + kBBMRin) / 2.;
1231 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1232 TVirtualMC::GetMC()->Gspos("BBD1", 1, "BBCE", dx, dy, dz/2. + kBBBdz/2., idrotm[2052], "ONLY");
1240 ptrap[5] = ptrap[4];
1242 ptrap[7] = ptrap[3];
1243 ptrap[8] = ptrap[4];
1244 ptrap[9] = ptrap[4];
1246 TVirtualMC::GetMC()->Gsvolu("BBD2", "TRAP", kSteel, ptrap, 11);
1247 ptrap[3] = d/2-kBBBdd;
1248 ptrap[4] = (d/2-kBBBdd)/x;
1249 ptrap[5] = ptrap[4];
1250 ptrap[7] = ptrap[3];
1251 ptrap[8] = ptrap[4];
1252 ptrap[9] = ptrap[4];
1253 TVirtualMC::GetMC()->Gsvolu("BBD4", "TRAP", kAir, ptrap, 11);
1254 TVirtualMC::GetMC()->Gspos("BBD4", 1, "BBD2", 0.0, 0.0, 0., 0, "ONLY");
1255 dx = (kBBMRou + kBBMRin) / 2.;
1256 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1257 TVirtualMC::GetMC()->Gspos("BBD2", 1, "BBCE", dx, dy, -dz/2. - kBBBdz/2., idrotm[2052], "ONLY");
1260 TVirtualMC::GetMC()->Gspos("BBMO", 1, "ALIC", 0., 0., + 376. + kBBMdz / 2. + 0.5, 0, "ONLY");
1265 //___________________________________________
1266 void AliFRAMEv2::AddAlignableVolumes() const
1268 // Add the 18 spaceframe sectors as alignable volumes
1269 TString basesymname("FRAME/Sector");
1270 TString basevolpath("ALIC_1/B077_1/BSEGMO");
1274 for(Int_t sec=0; sec<18; sec++)
1276 symname = basesymname;
1278 volpath = basevolpath;
1281 if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
1282 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
1283 symname.Data(),volpath.Data()));
1287 //___________________________________________
1288 void AliFRAMEv2::CreateMaterials()
1290 // Creates the materials
1291 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1293 epsil = 1.e-4; // Tracking precision,
1294 stemax = -0.01; // Maximum displacement for multiple scat
1295 tmaxfd = -20.; // Maximum angle due to field deflection
1296 deemax = -.3; // Maximum fractional energy loss, DLS
1298 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
1299 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
1302 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1303 Float_t zsteel[4] = { 26.,24.,28.,14. };
1304 Float_t wsteel[4] = { .715,.18,.1,.005 };
1308 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1309 Float_t zAir[4]={6.,7.,8.,18.};
1310 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1311 Float_t dAir = 1.20479E-3;
1313 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1314 AliMixture(5, "AIR$ ", aAir, zAir, dAir,4, wAir);
1315 AliMaterial(9, "ALU ", 26.98, 13., 2.7, 8.9, 37.2);
1317 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1318 AliMedium( 5, "Air", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1319 AliMedium( 9, "Aluminum", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1323 //_____________________________________________________________________________
1324 void AliFRAMEv2::Init()
1327 // Initialise the module after the geometry has been defined
1329 if(AliLog::GetGlobalDebugLevel()>0) {
1330 printf("%s: **************************************"
1332 "**************************************\n",ClassName());
1333 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1334 printf("%s: **************************************"
1336 "**************************************\n",ClassName());
1339 // The reference volume id
1340 fRefVolumeId1 = TVirtualMC::GetMC()->VolId("BREF1");
1341 fRefVolumeId2 = TVirtualMC::GetMC()->VolId("BREF2");
1344 Int_t AliFRAMEv2::IsVersion() const
1346 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1348 if (fHoles == 0) version = 1;
1352 void AliFRAMEv2::StepManager()
1355 // Stepmanager of AliFRAMEv2.cxx
1356 // Used for recording of reference tracks entering the spaceframe mother volume
1361 // Only charged tracks
1362 if( !(TVirtualMC::GetMC()->TrackCharge()) ) return;
1364 // Only tracks entering mother volume
1367 id=TVirtualMC::GetMC()->CurrentVolID(copy);
1369 if ((id != fRefVolumeId1) && (id != fRefVolumeId2)) return;
1370 if(!TVirtualMC::GetMC()->IsTrackEntering()) return;
1372 // Add the reference track
1374 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kFRAME);
1379 void AliFRAMEv2::MakeHeatScreen(const char* name, Float_t dyP, Int_t rot1, Int_t rot2)
1381 // Heat screen panel
1383 Int_t *idtmed = fIdtmed->GetArray()-1999;
1384 const Int_t kAir = idtmed[2004];
1385 const Int_t kAlu = idtmed[2008];
1397 Float_t dxP = 2. * (287. * TMath::Sin(10.* TMath::Pi()/180.) - 2.);
1402 thshM[0] = dxP / 2.;
1403 thshM[1] = dyP / 2.;
1404 thshM[2] = dzP / 2.;
1405 snprintf(mname, 16, "BTSH_%s", name);
1406 TVirtualMC::GetMC()->Gsvolu(mname, "BOX ", kAir, thshM, 3);
1410 snprintf(cname, 16, "BTSHA_%s", name);
1411 TVirtualMC::GetMC()->Gsvolu(cname, "BOX ", kAlu, thshM, 3);
1412 TVirtualMC::GetMC()->Gspos(cname, 1, mname, 0., 0., -0.5, 0);
1418 thshT[2] = (dyP / 2. - 8.);
1420 snprintf(t1name, 16, "BTSHT1_%s", name);
1421 TVirtualMC::GetMC()->Gsvolu(t1name, "TUBE", kAlu, thshT, 3);
1422 dx = - dxP / 2. + 8. - 0.5;
1423 TVirtualMC::GetMC()->Gspos(t1name, 1, mname, dx, 0., 0.025, rot1);
1425 snprintf(t2name, 16, "BTSHT2_%s", name);
1426 snprintf(t3name, 16, "BTSHT3_%s", name);
1427 snprintf(t4name, 16, "BTSHT4_%s", name);
1428 snprintf(t5name, 16, "BTSHT5_%s", name);
1429 thshT[2] = (thshM[1] - 12.);
1430 TVirtualMC::GetMC()->Gsvolu(t2name, "TUBE", kAlu, thshT, 3);
1432 TVirtualMC::GetMC()->Gsvolu(t3name, "TUBE", kAlu, thshT, 3);
1434 TVirtualMC::GetMC()->Gsvolu(t4name, "TUBE", kAlu, thshT, 3);
1438 for (Int_t i = 0; i < 5; i++) {
1442 Float_t dy1 = - (thshM[1] - 15.5) * sig;
1443 Float_t dy2 = - (thshM[1] - 7.5) * sig;
1445 TVirtualMC::GetMC()->Gspos(t2name, ipo++, mname, dx, dy, 0.025, rot1);
1447 TVirtualMC::GetMC()->Gspos(t2name, ipo++, mname, dx, dy, 0.025, rot1);
1449 TVirtualMC::GetMC()->Gspos(t3name, i+1, mname, dx - 3.45, dy1, 0.025, rot2);
1450 TVirtualMC::GetMC()->Gspos(t4name, i+1, mname, dx - 3.45, dy2, 0.025, rot2);
1453 TVirtualMC::GetMC()->Gspos(t1name, 2, mname, dx, 0., 0.025, rot1);
1454 TVirtualMC::GetMC()->Gspos(t3name, 6, mname, dx - 3.45, -(thshM[1] - 7.5), 0.025, rot2);
1459 void AliFRAMEv2::WebFrame(const char* name, Float_t dHz, Float_t theta0, Float_t phi0)
1462 // Create a web frame element
1464 Int_t *idtmed = fIdtmed->GetArray()-1999;
1465 const Float_t krad2deg = 180. / TMath::Pi();
1466 const Float_t kdeg2rad = 1. / krad2deg;
1467 const Int_t kAir = idtmed[2004];
1468 const Int_t kSteel = idtmed[2064];
1472 snprintf(nameA, 16, "%sA", name );
1475 Float_t theta = TMath::ATan(TMath::Tan(theta0)/TMath::Sin(phi0));
1476 Float_t phi = TMath::ACos(TMath::Cos(theta0) * TMath::Cos(phi0));
1477 if (phi0 < 0) phi = -phi;
1485 ptrap[3] = 6./cos(theta0 * kdeg2rad)/2.;
1487 ptrap[5] = ptrap[4];
1489 ptrap[7] = ptrap[3];
1490 ptrap[8] = ptrap[4];
1491 ptrap[9] = ptrap[4];
1493 TVirtualMC::GetMC()->Gsvolu(name, "TRAP", kSteel, ptrap, 11);
1494 ptrap[3] = (6. - 1.)/cos(theta0 * kdeg2rad)/2.;
1496 ptrap[5] = ptrap[4];
1497 ptrap[7] = ptrap[3];
1498 ptrap[8] = ptrap[4];
1499 ptrap[9] = ptrap[4];
1501 TVirtualMC::GetMC()->Gsvolu(nameA, "TRAP", kAir, ptrap, 11);
1502 TVirtualMC::GetMC()->Gspos(nameA, 1, name, 0.0, -0.25, 0., 0, "ONLY");
1503 gGeoManager->GetVolume(name)->SetVisibility(1);