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 "AliFRAMEv2.h"
35 //_____________________________________________________________________________
36 AliFRAMEv2::AliFRAMEv2()
42 //_____________________________________________________________________________
43 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
44 : AliFRAME(name,title)
51 //___________________________________________
52 void AliFRAMEv2::CreateGeometry()
56 <img src="picts/frame.gif">
63 <img src="picts/tree_frame.gif">
68 Int_t *idtmed = fIdtmed->GetArray()-1999;
73 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
79 const Float_t kEps = 0.01;
80 const Int_t kAir = idtmed[2004];
81 const Int_t kSteel = idtmed[2064];
83 const Float_t krad2deg = 180./TMath::Pi();
84 const Float_t kdeg2rad = 1./krad2deg;
86 Float_t iFrH = 114.40;
88 Float_t ringW = 10.00;
95 Float_t dymodU[3] = {70.0, 224.0, 341.};
97 Float_t dymodL[3] = {54.0, 178.5, 341.};
100 // Frame mother volume
114 ppgon[7] = -ppgon[4];
118 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
120 // gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
121 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
123 // Reference plane for TRD
125 ppgon[6] = ppgon[5] + 0.1;
127 gMC->Gsvolu("BREF", "PGON", kAir, ppgon, 10);
128 gMC->Gspos("BREF", 1, "B077", 0., 0., 0., 0, "ONLY");
149 ppgon[7] = -ppgon[4];
152 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
153 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
157 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
158 2.*doh*TMath::Tan(10.*kdeg2rad);
160 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
167 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
169 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
170 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
173 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
174 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
183 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
186 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
187 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
194 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
195 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
196 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
201 Float_t h, d, dq, x, theta;
203 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
207 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
210 theta = krad2deg * TMath::ACos(x);
224 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
226 ptrap[4] = (dol-ds)/x;
231 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
232 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
241 h = (2.*dymodU[0]-2.*dol)*.999;
248 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
252 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
253 theta = krad2deg * TMath::ACos(x);
255 ptrap[0] = dz/2.-kEps;
265 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
266 ptrap[0] = ptrap[0]-kEps;
268 ptrap[4] = (dol-ds)/x;
273 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
274 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
275 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
278 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
279 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
280 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
284 ptrap[1] = theta2*krad2deg;
287 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
295 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
296 Float_t ddx0 = ptrap[8];
298 Float_t dd1s = dd1*(1.-2.*ds/d);
299 Float_t dd2s = dd2*(1.-2.*ds/d);
300 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
304 ptrap[1] = theta2s*krad2deg;
307 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
311 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
314 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
315 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
317 Float_t ddx, ddz, drx, drz, rtheta;
319 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
320 rtheta = (90.-theta)*kdeg2rad;
321 ddx = -ddx0-dol*TMath::Tan(theta2);
324 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
325 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
326 gMC->Gspos("B051", 1, "BM49",
328 idrotm[2001], "ONLY");
330 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
331 rtheta = (270.-theta)*kdeg2rad;
333 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
334 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
335 gMC->Gspos("B051", 2, "BM49",
337 idrotm[2002], "ONLY");
342 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
344 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
345 theta = krad2deg * TMath::ACos(x);
356 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
358 ptrap[4] = (dol-ds)/x;
363 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
364 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
367 // Positioning of diagonal bars
369 // Matrices have been imported from Euclid. Some simplification
372 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
373 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
374 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
375 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
376 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
377 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
378 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
379 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
380 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
381 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
382 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
383 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
384 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
385 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
386 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
387 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
389 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
390 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
391 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
392 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
393 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
394 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
395 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
396 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
398 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
399 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
400 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
401 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
402 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
403 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
404 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
407 dz = (dymodU[1]+dymodU[0])/2.;
408 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
414 dx = rd * TMath::Sin(phi*kdeg2rad);
415 dy = rd * TMath::Cos(phi*kdeg2rad);
418 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
419 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
420 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
421 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
429 dx = rd * TMath::Sin(phi*kdeg2rad);
430 dy = rd * TMath::Cos(phi*kdeg2rad);
432 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
433 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
434 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
435 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
442 dx = rd * TMath::Sin(phi*kdeg2rad);
443 dy = rd * TMath::Cos(phi*kdeg2rad);
445 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
446 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
447 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
448 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
450 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
451 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
452 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
453 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
455 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
456 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
457 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
458 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
460 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
461 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
464 // The internal frame
466 const char* module[3] = {"B071\0", "B074\0", "B075\0"};
478 for (jmod = 0; jmod < 3; jmod++)
480 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
482 // Position of Holes for PHOS (P) and RICH (R) starting at 6h
483 // P P P - - R R R - - - - - - - - P P
484 Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
488 Float_t rout1 = 410.564;
489 Float_t rout2 = 415.2;
490 Int_t modcount[3] = {0, 0, 0};
492 for (i=0; i<18; i++) {
494 Float_t phi2 = 270+phi;
495 if (phi2 >= 360.) phi2-=360.;
497 dx = TMath::Sin(phi*kdeg2rad)*r;
498 dy = -TMath::Cos(phi*kdeg2rad)*r;
501 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
502 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
504 // Position elements of outer Frame
506 dx = TMath::Sin(phi*kdeg2rad)*rout1;
507 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
508 for (j = 0; j < 3; j++)
511 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
512 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
517 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
519 dx = TMath::Sin(phi*kdeg2rad)*rout2;
520 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
521 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
524 // Internal Frame rings
527 // new specs: 40x100x6 for inner rings
528 // 30x135x6 for front and rear rings
530 // currently no distinction between front/rear and inner rings
538 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
540 pbox[1] = pbox[1] - 0.6;
541 pbox[2] = pbox[2] - 0.6;
542 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
543 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
545 // Web frame 0-degree
547 // h x w x s = 60x40x4
548 // (attention: element is are half bars, "U" shaped)
552 h = dymodU[0]-dymodL[0];
555 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
557 theta = TMath::ACos(x);
558 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
564 ptrap[4] = dwl/cos(theta);
571 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
572 ptrap[3] = dwh - 0.2;
573 ptrap[4] = (dwl-0.4)/cos(theta);
578 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
579 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
584 dz = dymodU[1]-dymodL[1];
587 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
590 theta = krad2deg * TMath::ACos(x);
603 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
604 ptrap[3] = dwh - 0.2;
605 ptrap[4] = (dwl-0.4)/x;
610 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
611 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
616 pbox[2] = (iFrH-ringH-longH)/2.;
617 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
621 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
622 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
625 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
627 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
628 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
629 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
630 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
632 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
633 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
634 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
635 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
637 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
638 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
639 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
640 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
643 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
644 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
645 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
647 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
648 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
649 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
650 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
653 // web frame diagonal (outer)
657 dz = dymodL[2]-dymodU[1]-dwl;
660 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
663 theta = krad2deg * TMath::ACos(x);
676 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
677 ptrap[3] = dwh - 0.2;
678 ptrap[4] = (dwl-0.4)/x;
683 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
684 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
687 // web frame diagonal (inner)
689 dz = dymodL[1]-dymodU[0];
691 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
694 theta = krad2deg * TMath::ACos(x);
696 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
707 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
709 ptrap[4] = (dwl-0.4)/x;
714 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
715 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
718 dz = -iFrH/2.+ringH/2.+kEps;
720 for (i = 0; i< 3; i++)
723 for (jmod = 0; jmod<3; jmod++) {
724 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
725 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
729 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
730 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
731 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
732 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
737 // outer diagonal web
739 dy = (dymodU[0]+dymodL[0])/2.;
740 for (jmod = 0; jmod<3; jmod++) {
741 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
742 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
743 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
744 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
747 dy = (dymodU[1]+dymodL[1])/2.;
748 for (jmod = 0; jmod<3; jmod++) {
749 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
750 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
751 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
752 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
756 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
757 for (jmod = 0; jmod<3; jmod++) {
758 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
759 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
760 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
761 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
765 dy = (dymodL[1]+dymodU[0])/2.;
767 for (jmod = 0; jmod<3; jmod++) {
768 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
769 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
770 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
771 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
774 // longitudinal bars (TPC rails attached)
776 // h x w x s = 100 x 75 x 6
778 // Attention: 2 "U" shaped half rods per cell
793 // gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
800 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
801 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
804 // longitudinal bars (no TPC rails attached)
805 // new specs: h x w x s = 60 x 60 x 3
806 // (was: 75 x 100 x 5?)
817 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
818 ptrap[0] = longW/4.-0.15;
819 ptrap[4] = longH/2.-0.30;
824 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
825 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
827 dz = -iFrH/2.+ringH+longH/2.;
829 for (jmod = 0; jmod<3; jmod++) {
830 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
831 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
835 // Spacer between TRD and TOF modules
847 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
848 for (jmod = 0; jmod<3; jmod++) {
849 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
850 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
853 // Mother volumes for TRD and TOF
856 printf("\n FRAME Version without Holes !");
861 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
862 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
863 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
869 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
870 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
871 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
873 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
874 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
875 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
877 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
878 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
879 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
881 printf("\n FRAME Version with Holes !");
886 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
888 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
890 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
896 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
897 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
898 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
901 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
902 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
903 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
904 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
905 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
907 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
908 gMC->Gspos("BTO2", 1, "B074", 0., 0.00, 42.69, 0, "ONLY");
909 gMC->Gspos("BTO3", 1, "B075", 0., 0.00, 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 Float_t kBFMRin = 270.0;
959 Float_t kBFMRou = 417.5;
961 Float_t kBFMdz = 118.0;
965 Float_t kBFRdr = 7.5;
966 Float_t kBFRdz = 8.0;
972 Float_t kBFBdd = 0.6;
979 tpar[2] = kBFMdz / 2.;
980 gMC->Gsvolu("BFMO", "TUBE", kAir, tpar, 3);
986 tpar[1] = tpar[0] + kBFRdr;
987 tpar[2] = kBFRdz / 2.;
989 gMC->Gsvolu("BFIR", "TUBE", kSteel, tpar, 3);
991 tpar[0] = tpar[0] + kBFBdd;
992 tpar[1] = tpar[1] - kBFBdd;
993 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
995 gMC->Gsvolu("BFII", "TUBE", kAir, tpar, 3);
996 gMC->Gspos("BFII", 1, "BFIR", 0., 0., 0., 0, "ONLY");
1000 tpar[0] = kBFMRou - kBFRdr;
1002 tpar[2] = kBFRdz / 2.;
1004 gMC->Gsvolu("BFOR", "TUBE", kSteel, tpar, 3);
1006 tpar[0] = tpar[0] + kBFBdd;
1007 tpar[1] = tpar[1] - kBFBdd;
1008 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
1010 gMC->Gsvolu("BFOO", "TUBE", kAir, tpar, 3);
1011 gMC->Gspos("BFOO", 1, "BFOR", 0., 0., 0., 0, "ONLY");
1014 dz = kBFMdz/2. - kBFRdz / 2.;
1015 gMC->Gspos("BFIR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
1016 gMC->Gspos("BFIR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1017 gMC->Gspos("BFOR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
1018 gMC->Gspos("BFOR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1021 // Longitudinal Bars
1027 bpar[2] = kBFMdz/2. - kBFBd;
1028 gMC->Gsvolu("BFLB", "BOX ", kSteel, bpar, 3);
1030 bpar[0] = bpar[0] - kBFBdd;
1031 bpar[1] = bpar[1] - kBFBdd;
1032 bpar[2] = bpar[2] - kBFBdd;
1033 gMC->Gsvolu("BFLL", "BOX ", kAir, bpar, 3);
1034 gMC->Gspos("BFLL", 1, "BFLB", 0., 0., 0., 0, "ONLY");
1036 for (i = 0; i < 18; i++)
1038 Float_t ro = kBFMRou - kBFBd / 2.;
1039 Float_t ri = kBFMRin + kBFBd / 2.;
1041 Float_t phi = Float_t(i) * 20.;
1043 Float_t x = ri * TMath::Cos(phi * kDegrad);
1044 Float_t y = ri * TMath::Sin(phi * kDegrad);
1045 AliMatrix(idrotm[2090+i], 90.0, phi, 90.0, phi + 270., 0., 0.);
1047 gMC->Gspos("BFLB", i + 1, "BFMO", x, y, 0., idrotm[2090 + i], "ONLY");
1049 x = ro * TMath::Cos(phi * kDegrad);
1050 y = ro * TMath::Sin(phi * kDegrad);
1052 gMC->Gspos("BFLB", i + 19, "BFMO", x, y, 0., idrotm[2090 +i], "ONLY");
1058 bpar[0] = (kBFMRou - kBFMRin - 2. * kBFRdr) / 2.;
1062 // Avoid overlap with circle
1063 Float_t rr = kBFMRou - kBFRdr;
1064 Float_t delta = rr - TMath::Sqrt(rr * rr - kBFBd * kBFBd / 4.) + 0.01;
1065 bpar[0] -= delta /2.;
1068 gMC->Gsvolu("BFRB", "BOX ", kSteel, bpar, 3);
1070 bpar[0] = bpar[0] - kBFBdd;
1071 bpar[1] = bpar[1] - kBFBdd;
1072 bpar[2] = bpar[2] - kBFBdd;
1073 gMC->Gsvolu("BFRR", "BOX ", kAir, bpar, 3);
1074 gMC->Gspos("BFRR", 1, "BFRB", 0., 0., 0., 0, "ONLY");
1076 Int_t iphi[10] = {0, 1, 3, 6, 8, 9, 10, 12, 15, 17};
1078 for (i = 0; i < 10; i++)
1081 Float_t r = (kBFMRin + kBFMRou)/2.;
1082 Float_t phi = Float_t(iphi[i]) * 20.;
1084 Float_t x = r * TMath::Cos(phi * kDegrad);
1085 Float_t y = r * TMath::Sin(phi * kDegrad);
1087 gMC->Gspos("BFRB", i + 1, "BFMO", x, y, dz, idrotm[2034 + iphi[i]], "ONLY");
1088 gMC->Gspos("BFRB", i + 11, "BFMO", x, y, -dz, idrotm[2034 + iphi[i]], "ONLY");
1092 gMC->Gspos("BFMO", i + 19, "ALIC", 0, 0, 376. + kBFMdz/2. + 0.5 , 0, "ONLY");
1103 Float_t kBBMRin = 278.0;
1105 Float_t kBBMRou = 410.5;
1107 Float_t kBBMdz = 223.0;
1108 Float_t kBBBdz = 6.0;
1109 Float_t kBBBdd = 0.6;
1112 // The Mother volume
1119 ppgon[4] = -kBBMdz / 2. ;
1123 ppgon[7] = -ppgon[4];
1124 ppgon[8] = ppgon[5];
1125 ppgon[9] = ppgon[6];
1127 gMC->Gsvolu("BBMO", "PGON", kAir, ppgon, 10);
1128 gMC->Gsdvn("BBCE", "BBMO", 18, 2);
1130 // Longitudinal bars
1131 bpar[0] = kBBBdz/2.;
1133 bpar[2] = kBBMdz/2. - kBBBdz;
1134 gMC->Gsvolu("BBLB", "BOX ", kSteel, bpar, 3);
1138 gMC->Gsvolu("BBLL", "BOX ", kAir, bpar, 3);
1139 gMC->Gspos("BBLL", 1, "BBLB", 0., 0., 0., 0, "ONLY");
1141 dx = kBBMRin + kBBBdz/2. + (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1142 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1143 gMC->Gspos("BBLB", 1, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1145 dx = kBBMRou - kBBBdz/2. - (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1146 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1148 gMC->Gspos("BBLB", 2, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1153 bpar[0] = (kBBMRou - kBBMRin) / 2. - kBBBdz;
1157 gMC->Gsvolu("BBRB", "BOX ", kSteel, bpar, 3);
1161 gMC->Gsvolu("BBRR", "BOX ", kAir, bpar, 3);
1162 gMC->Gspos("BBRR", 1, "BBRB", 0., 0., 0., 0, "ONLY");
1165 dx = (kBBMRou + kBBMRin) / 2.;
1166 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1167 dz = kBBMdz/2. - kBBBdz / 2.;
1169 gMC->Gspos("BBRB", 1, "BBCE", dx, dy, dz, idrotm[2052], "ONLY");
1170 gMC->Gspos("BBRB", 2, "BBCE", dx, dy, - dz, idrotm[2052], "ONLY");
1171 gMC->Gspos("BBRB", 3, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1178 bpar[1] = kBBMRin * TMath::Sin(10. * kDegrad);
1181 gMC->Gsvolu("BBC1", "BOX ", kSteel, bpar, 3);
1185 gMC->Gsvolu("BBC2", "BOX ", kAir, bpar, 3);
1186 gMC->Gspos("BBC2", 1, "BBC1", 0., 0., 0., 0, "ONLY");
1187 dx = kBBMRin + kBBBdz/2;
1189 gMC->Gspos("BBC1", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1190 gMC->Gspos("BBC1", 2, "BBCE", dx, dy, -dz, 0, "ONLY");
1193 bpar[1] = (kBBMRou - kBBBdz) * TMath::Sin(10. * kDegrad);
1196 gMC->Gsvolu("BBC3", "BOX ", kSteel, bpar, 3);
1200 gMC->Gsvolu("BBC4", "BOX ", kAir, bpar, 3);
1201 gMC->Gspos("BBC4", 1, "BBC3", 0., 0., 0., 0, "ONLY");
1202 dx = kBBMRou - kBBBdz/2;
1204 gMC->Gspos("BBC3", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1205 gMC->Gspos("BBC3", 2, "BBCE", dx, dy, - dz, 0, "ONLY");
1209 h = (kBBMRou - kBBMRin - 2. * kBBBdz);;
1211 dz = kBBMdz/2. - 1.6 * kBBBdz;
1214 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
1217 theta = kRaddeg * TMath::ACos(x);
1224 ptrap[5] = ptrap[4];
1226 ptrap[7] = ptrap[3];
1227 ptrap[8] = ptrap[4];
1228 ptrap[9] = ptrap[4];
1230 gMC->Gsvolu("BBD1", "TRAP", kSteel, ptrap, 11);
1231 ptrap[3] = d/2-kBBBdd;
1232 ptrap[4] = (d/2-kBBBdd)/x;
1233 ptrap[5] = ptrap[4];
1234 ptrap[7] = ptrap[3];
1235 ptrap[8] = ptrap[4];
1236 ptrap[9] = ptrap[4];
1237 gMC->Gsvolu("BBD3", "TRAP", kAir, ptrap, 11);
1238 gMC->Gspos("BBD3", 1, "BBD1", 0.0, 0.0, 0., 0, "ONLY");
1239 dx = (kBBMRou + kBBMRin) / 2.;
1240 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1241 gMC->Gspos("BBD1", 1, "BBCE", dx, dy, dz/2. + kBBBdz/2., idrotm[2052], "ONLY");
1249 ptrap[5] = ptrap[4];
1251 ptrap[7] = ptrap[3];
1252 ptrap[8] = ptrap[4];
1253 ptrap[9] = ptrap[4];
1255 gMC->Gsvolu("BBD2", "TRAP", kSteel, ptrap, 11);
1256 ptrap[3] = d/2-kBBBdd;
1257 ptrap[4] = (d/2-kBBBdd)/x;
1258 ptrap[5] = ptrap[4];
1259 ptrap[7] = ptrap[3];
1260 ptrap[8] = ptrap[4];
1261 ptrap[9] = ptrap[4];
1262 gMC->Gsvolu("BBD4", "TRAP", kAir, ptrap, 11);
1263 gMC->Gspos("BBD4", 1, "BBD2", 0.0, 0.0, 0., 0, "ONLY");
1264 dx = (kBBMRou + kBBMRin) / 2.;
1265 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1266 gMC->Gspos("BBD2", 1, "BBCE", dx, dy, -dz/2. - kBBBdz/2., idrotm[2052], "ONLY");
1269 gMC->Gspos("BBMO", 1, "ALIC", 0., 0., - 376. - kBBMdz / 2. - 0.5, 0, "ONLY");
1276 //___________________________________________
1277 void AliFRAMEv2::CreateMaterials()
1279 // Creates the materials
1280 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1282 epsil = 1.e-4; // Tracking precision,
1283 stemax = -0.01; // Maximum displacement for multiple scat
1284 tmaxfd = -20.; // Maximum angle due to field deflection
1285 deemax = -.3; // Maximum fractional energy loss, DLS
1287 Int_t isxfld = gAlice->Field()->Integ();
1288 Float_t sxmgmx = gAlice->Field()->Max();
1290 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1291 Float_t zsteel[4] = { 26.,24.,28.,14. };
1292 Float_t wsteel[4] = { .715,.18,.1,.005 };
1294 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1295 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
1296 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1297 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1300 //_____________________________________________________________________________
1301 void AliFRAMEv2::Init()
1304 // Initialise the module after the geometry has been defined
1307 printf("%s: **************************************"
1309 "**************************************\n",ClassName());
1310 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1311 printf("%s: **************************************"
1313 "**************************************\n",ClassName());
1316 // The reference volume id
1317 fRefVolumeId = gMC->VolId("BREF");
1320 Int_t AliFRAMEv2::IsVersion() const
1322 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1324 if (fHoles == 0) version = 1;
1328 void AliFRAMEv2::StepManager()
1331 // Stepmanager of AliFRAMEv2.cxx
1332 // Used for recording of reference tracks entering the spaceframe mother volume
1337 // Only charged tracks
1338 if( !(gMC->TrackCharge()) ) return;
1340 // Only tracks entering mother volume
1343 id=gMC->CurrentVolID(copy);
1345 if (id != fRefVolumeId) return;
1346 if(!gMC->IsTrackEntering()) return;
1348 // Add the reference track
1350 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());