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 //------------------------------------------------------------------------
26 #include "AliFRAMEv2.h"
32 //_____________________________________________________________________________
33 AliFRAMEv2::AliFRAMEv2()
39 //_____________________________________________________________________________
40 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
41 : AliFRAME(name,title)
48 //___________________________________________
49 void AliFRAMEv2::CreateGeometry()
53 <img src="picts/frame.gif">
60 <img src="picts/tree_frame.gif">
65 Int_t *idtmed = fIdtmed->GetArray()-1999;
70 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
76 const Float_t kEps = 0.01;
77 const Int_t kAir = idtmed[2004];
78 const Int_t kSteel = idtmed[2064];
80 const Float_t krad2deg = 180./TMath::Pi();
81 const Float_t kdeg2rad = 1./krad2deg;
83 Float_t iFrH = 114.40;
85 Float_t ringW = 10.00;
92 Float_t dymodU[3] = {70.0, 224.0, 341.};
94 Float_t dymodL[3] = {54.0, 178.5, 341.};
97 // Frame mother volume
111 ppgon[7] = -ppgon[4];
115 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
117 // gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
118 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
120 // Reference plane for TRD
122 ppgon[6] = ppgon[5] + 0.1;
124 gMC->Gsvolu("BREF", "PGON", kAir, ppgon, 10);
125 gMC->Gspos("BREF", 1, "B077", 0., 0., 0., 0, "ONLY");
146 ppgon[7] = -ppgon[4];
149 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
150 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
154 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
155 2.*doh*TMath::Tan(10.*kdeg2rad);
157 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
164 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
166 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
167 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
170 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
171 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
180 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
183 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
184 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
191 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
192 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
193 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
198 Float_t h, d, dq, x, theta;
200 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
204 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
207 theta = krad2deg * TMath::ACos(x);
221 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
223 ptrap[4] = (dol-ds)/x;
228 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
229 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
238 h = (2.*dymodU[0]-2.*dol)*.999;
245 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
249 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
250 theta = krad2deg * TMath::ACos(x);
252 ptrap[0] = dz/2.-kEps;
262 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
263 ptrap[0] = ptrap[0]-kEps;
265 ptrap[4] = (dol-ds)/x;
270 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
271 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
272 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
275 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
276 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
277 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
281 ptrap[1] = theta2*krad2deg;
284 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
292 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
293 Float_t ddx0 = ptrap[8];
295 Float_t dd1s = dd1*(1.-2.*ds/d);
296 Float_t dd2s = dd2*(1.-2.*ds/d);
297 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
301 ptrap[1] = theta2s*krad2deg;
304 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
308 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
311 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
312 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
314 Float_t ddx, ddz, drx, drz, rtheta;
316 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
317 rtheta = (90.-theta)*kdeg2rad;
318 ddx = -ddx0-dol*TMath::Tan(theta2);
321 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
322 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
323 gMC->Gspos("B051", 1, "BM49",
325 idrotm[2001], "ONLY");
327 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
328 rtheta = (270.-theta)*kdeg2rad;
330 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
331 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
332 gMC->Gspos("B051", 2, "BM49",
334 idrotm[2002], "ONLY");
339 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
341 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
342 theta = krad2deg * TMath::ACos(x);
353 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
355 ptrap[4] = (dol-ds)/x;
360 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
361 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
364 // Positioning of diagonal bars
366 // Matrices have been imported from Euclid. Some simplification
369 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
370 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
371 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
372 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
373 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
374 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
375 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
376 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
377 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
378 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
379 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
380 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
381 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
382 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
383 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
384 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
386 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
387 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
388 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
389 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
390 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
391 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
392 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
393 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
395 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
396 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
397 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
398 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
399 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
400 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
401 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
404 dz = (dymodU[1]+dymodU[0])/2.;
405 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
411 dx = rd * TMath::Sin(phi*kdeg2rad);
412 dy = rd * TMath::Cos(phi*kdeg2rad);
415 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
416 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
417 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
418 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
426 dx = rd * TMath::Sin(phi*kdeg2rad);
427 dy = rd * TMath::Cos(phi*kdeg2rad);
429 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
430 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
431 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
432 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
439 dx = rd * TMath::Sin(phi*kdeg2rad);
440 dy = rd * TMath::Cos(phi*kdeg2rad);
442 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
443 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
444 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
445 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
447 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
448 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
449 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
450 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
452 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
453 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
454 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
455 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
457 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
458 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
461 // The internal frame
463 char* module[3] = {"B071\0", "B074\0", "B075\0"};
475 for (jmod = 0; jmod < 3; jmod++)
477 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
479 // Position of Holes for PHOS (P) and RICH (R) starting at 6h
480 // P P P - - R R R - - - - - - - - P P
481 Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
485 Float_t rout1 = 410.564;
486 Float_t rout2 = 415.2;
487 Int_t modcount[3] = {0, 0, 0};
489 for (i=0; i<18; i++) {
491 Float_t phi2 = 270+phi;
492 if (phi2 >= 360.) phi2-=360.;
494 dx = TMath::Sin(phi*kdeg2rad)*r;
495 dy = -TMath::Cos(phi*kdeg2rad)*r;
498 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
499 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
501 // Position elements of outer Frame
503 dx = TMath::Sin(phi*kdeg2rad)*rout1;
504 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
505 for (j = 0; j < 3; j++)
508 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
509 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
514 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
516 dx = TMath::Sin(phi*kdeg2rad)*rout2;
517 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
518 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
521 // Internal Frame rings
524 // new specs: 40x100x6 for inner rings
525 // 30x135x6 for front and rear rings
527 // currently no distinction between front/rear and inner rings
535 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
537 pbox[1] = pbox[1] - 0.6;
538 pbox[2] = pbox[2] - 0.6;
539 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
540 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
542 // Web frame 0-degree
544 // h x w x s = 60x40x4
545 // (attention: element is are half bars, "U" shaped)
549 h = dymodU[0]-dymodL[0];
552 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
554 theta = TMath::ACos(x);
555 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
561 ptrap[4] = dwl/cos(theta);
568 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
569 ptrap[3] = dwh - 0.2;
570 ptrap[4] = (dwl-0.4)/cos(theta);
575 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
576 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
581 dz = dymodU[1]-dymodL[1];
584 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
587 theta = krad2deg * TMath::ACos(x);
600 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
601 ptrap[3] = dwh - 0.2;
602 ptrap[4] = (dwl-0.4)/x;
607 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
608 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
613 pbox[2] = (iFrH-ringH-longH)/2.;
614 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
618 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
619 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
622 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
624 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
625 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
626 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
627 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
629 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
630 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
631 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
632 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
634 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
635 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
636 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
637 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
640 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
641 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
642 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
644 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
645 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
646 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
647 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
650 // web frame diagonal (outer)
654 dz = dymodL[2]-dymodU[1]-dwl;
657 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
660 theta = krad2deg * TMath::ACos(x);
673 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
674 ptrap[3] = dwh - 0.2;
675 ptrap[4] = (dwl-0.4)/x;
680 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
681 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
684 // web frame diagonal (inner)
686 dz = dymodL[1]-dymodU[0];
688 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
691 theta = krad2deg * TMath::ACos(x);
693 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
704 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
706 ptrap[4] = (dwl-0.4)/x;
711 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
712 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
715 dz = -iFrH/2.+ringH/2.+kEps;
717 for (i = 0; i< 3; i++)
720 for (jmod = 0; jmod<3; jmod++) {
721 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
722 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
726 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
727 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
728 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
729 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
734 // outer diagonal web
736 dy = (dymodU[0]+dymodL[0])/2.;
737 for (jmod = 0; jmod<3; jmod++) {
738 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
739 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
740 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
741 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
744 dy = (dymodU[1]+dymodL[1])/2.;
745 for (jmod = 0; jmod<3; jmod++) {
746 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
747 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
748 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
749 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
753 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
754 for (jmod = 0; jmod<3; jmod++) {
755 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
756 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
757 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
758 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
762 dy = (dymodL[1]+dymodU[0])/2.;
764 for (jmod = 0; jmod<3; jmod++) {
765 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
766 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
767 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
768 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
771 // longitudinal bars (TPC rails attached)
773 // h x w x s = 100 x 75 x 6
775 // Attention: 2 "U" shaped half rods per cell
790 // gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
797 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
798 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
801 // longitudinal bars (no TPC rails attached)
802 // new specs: h x w x s = 60 x 60 x 3
803 // (was: 75 x 100 x 5?)
814 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
815 ptrap[0] = longW/4.-0.15;
816 ptrap[4] = longH/2.-0.30;
821 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
822 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
824 dz = -iFrH/2.+ringH+longH/2.;
826 for (jmod = 0; jmod<3; jmod++) {
827 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
828 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
832 // Spacer between TRD and TOF modules
844 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
845 for (jmod = 0; jmod<3; jmod++) {
846 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
847 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
850 // Mother volumes for TRD and TOF
853 printf("\n FRAME Version without Holes !");
858 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
859 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
860 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
866 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
867 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
868 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
870 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
871 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
872 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
874 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
875 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
876 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
878 printf("\n FRAME Version with Holes !");
883 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
885 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
887 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
893 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
895 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
897 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
900 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
901 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
902 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
903 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
904 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
906 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
907 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, 42.69, idrotm[2070], "ONLY");
908 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, 42.69, 0, "ONLY");
909 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, 42.69, idrotm[2070], "ONLY");
910 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, 42.69, 0, "ONLY");
914 // Geometry of Rails starts here
918 // Rails for space-frame
925 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
929 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
933 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
935 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
936 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
937 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
938 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
939 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
944 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
946 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
947 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
948 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
949 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
957 gMC->Gsvolu("BRE1", "BOX", kAir, rbox, 3);
961 gMC->Gsvolu("BRE2", "BOX", kSteel, rbox, 3);
965 gMC->Gsvolu("BRE3", "BOX", kSteel, rbox, 3);
967 gMC->Gspos("BRE2", 1, "BRE1", 0., -32.5+2.50, 0., 0, "ONLY");
968 gMC->Gspos("BRE2", 2, "BRE1", 0., 32.5-2.50, 0., 0, "ONLY");
969 gMC->Gspos("BRE3", 1, "BRE1", -20., 0., 0., 0, "ONLY");
970 gMC->Gspos("BRE3", 2, "BRE1", 20., 0., 0., 0, "ONLY");
971 gMC->Gspos("BRE1", 1, "ALIC", -496., -190., 0., 0, "ONLY");
972 gMC->Gspos("BRE1", 2, "ALIC", 496., -190., 0., 0, "ONLY");
977 //___________________________________________
978 void AliFRAMEv2::CreateMaterials()
980 // Creates the materials
981 Float_t epsil, stemax, tmaxfd, deemax, stmin;
983 epsil = 1.e-4; // Tracking precision,
984 stemax = -0.01; // Maximum displacement for multiple scat
985 tmaxfd = -20.; // Maximum angle due to field deflection
986 deemax = -.3; // Maximum fractional energy loss, DLS
988 Int_t isxfld = gAlice->Field()->Integ();
989 Float_t sxmgmx = gAlice->Field()->Max();
991 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
992 Float_t zsteel[4] = { 26.,24.,28.,14. };
993 Float_t wsteel[4] = { .715,.18,.1,.005 };
995 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
996 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
997 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
998 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1001 //_____________________________________________________________________________
1002 void AliFRAMEv2::Init()
1005 // Initialise the module after the geometry has been defined
1008 printf("%s: **************************************"
1010 "**************************************\n",ClassName());
1011 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1012 printf("%s: **************************************"
1014 "**************************************\n",ClassName());
1017 // The reference volume id
1018 fRefVolumeId = gMC->VolId("BREF");
1021 Int_t AliFRAMEv2::IsVersion() const
1023 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1025 if (fHoles == 0) version = 1;
1029 void AliFRAMEv2::StepManager()
1032 // Stepmanager of AliFRAMEv2.cxx
1033 // Used for recording of reference tracks entering the spaceframe mother volume
1038 // Only charged tracks
1039 if( !(gMC->TrackCharge()) ) return;
1041 // Only tracks entering mother volume
1044 id=gMC->CurrentVolID(copy);
1046 if (id != fRefVolumeId) return;
1047 if(!gMC->IsTrackEntering()) return;
1049 // Add the reference track
1051 AddTrackReference(gAlice->GetCurrentTrackNumber());