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 //------------------------------------------------------------------------
24 #include "AliFRAMEv2.h"
31 //_____________________________________________________________________________
32 AliFRAMEv2::AliFRAMEv2()
38 //_____________________________________________________________________________
39 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
40 : AliFRAME(name,title)
47 //___________________________________________
48 void AliFRAMEv2::CreateGeometry()
52 <img src="picts/frame.gif">
59 <img src="picts/tree_frame.gif">
64 Int_t *idtmed = fIdtmed->GetArray()-1999;
69 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
75 const Float_t kEps = 0.01;
76 const Int_t kAir = idtmed[2004];
77 const Int_t kSteel = idtmed[2064];
79 const Float_t krad2deg = 180./TMath::Pi();
80 const Float_t kdeg2rad = 1./krad2deg;
82 Float_t iFrH = 114.40;
84 Float_t ringW = 10.00;
91 Float_t dymodU[3] = {70.0, 224.0, 341.};
93 Float_t dymodL[3] = {54.0, 178.5, 341.};
96 // 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");
139 ppgon[7] = -ppgon[4];
142 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
143 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
147 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
148 2.*doh*TMath::Tan(10.*kdeg2rad);
150 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
157 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
159 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
160 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
163 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
164 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
173 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
176 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
177 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
184 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
185 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
186 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
191 Float_t h, d, dq, x, theta;
193 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
197 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
200 theta = krad2deg * TMath::ACos(x);
214 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
216 ptrap[4] = (dol-ds)/x;
221 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
222 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
231 h = (2.*dymodU[0]-2.*dol)*.999;
238 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
242 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
243 theta = krad2deg * TMath::ACos(x);
245 ptrap[0] = dz/2.-kEps;
255 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
256 ptrap[0] = ptrap[0]-kEps;
258 ptrap[4] = (dol-ds)/x;
263 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
264 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
265 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
268 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
269 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
270 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
274 ptrap[1] = theta2*krad2deg;
277 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
285 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
286 Float_t ddx0 = ptrap[8];
288 Float_t dd1s = dd1*(1.-2.*ds/d);
289 Float_t dd2s = dd2*(1.-2.*ds/d);
290 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
294 ptrap[1] = theta2s*krad2deg;
297 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
301 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
304 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
305 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
307 Float_t ddx, ddz, drx, drz, rtheta;
309 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
310 rtheta = (90.-theta)*kdeg2rad;
311 ddx = -ddx0-dol*TMath::Tan(theta2);
314 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
315 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
316 gMC->Gspos("B051", 1, "BM49",
318 idrotm[2001], "ONLY");
320 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
321 rtheta = (270.-theta)*kdeg2rad;
323 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
324 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
325 gMC->Gspos("B051", 2, "BM49",
327 idrotm[2002], "ONLY");
332 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
334 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
335 theta = krad2deg * TMath::ACos(x);
346 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
348 ptrap[4] = (dol-ds)/x;
353 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
354 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
357 // Positioning of diagonal bars
359 // Matrices have been imported from Euclid. Some simplification
362 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
363 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
364 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
365 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
366 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
367 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
368 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
369 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
370 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
371 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
372 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
373 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
374 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
375 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
376 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
377 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
379 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
380 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
381 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
382 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
383 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
384 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
385 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
386 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
388 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
389 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
390 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
391 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
392 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
393 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
394 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
397 dz = (dymodU[1]+dymodU[0])/2.;
398 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
404 dx = rd * TMath::Sin(phi*kdeg2rad);
405 dy = rd * TMath::Cos(phi*kdeg2rad);
407 // gMC->Gspos("B047", 1, "B076", -dx, dy, dz, idrotm[2004], "ONLY");
408 // gMC->Gspos("B047", 2, "B076", -dx, dy, -dz, idrotm[2003], "ONLY");
409 // gMC->Gspos("B047", 3, "B076", dx, dy, dz, idrotm[2017], "ONLY");
410 // gMC->Gspos("B047", 4, "B076", dx, dy, -dz, idrotm[2018], "ONLY");
412 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
413 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
414 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
415 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
417 // gMC->Gspos("BM49", 1, "B076", dx, dy, 0., idrotm[2020], "ONLY");
418 // gMC->Gspos("BM49", 2, "B076", -dx, dy, 0., idrotm[2019], "ONLY");
425 dx = rd * TMath::Sin(phi*kdeg2rad);
426 dy = rd * TMath::Cos(phi*kdeg2rad);
427 // gMC->Gspos("B047", 5, "B076", -dx, dy, dz, idrotm[2005], "ONLY");
428 // gMC->Gspos("B047", 6, "B076", -dx, dy, -dz, idrotm[2006], "ONLY");
429 // gMC->Gspos("B047", 7, "B076", dx, dy, dz, idrotm[2016], "ONLY");
430 // gMC->Gspos("B047", 8, "B076", dx, dy, -dz, idrotm[2015], "ONLY");
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");
437 // gMC->Gspos("BM49", 3, "B076", dx, dy, 0., idrotm[2022], "ONLY");
438 // gMC->Gspos("BM49", 4, "B076", -dx, dy, 0., idrotm[2021], "ONLY");
444 dx = rd * TMath::Sin(phi*kdeg2rad);
445 dy = rd * TMath::Cos(phi*kdeg2rad);
446 // gMC->Gspos("B047", 9, "B076", -dx, dy, dz, idrotm[2009], "ONLY");
447 // gMC->Gspos("B047", 10, "B076", -dx, dy, -dz, idrotm[2007], "ONLY");
448 // gMC->Gspos("B047", 11, "B076", dx, dy, dz, idrotm[2013], "ONLY");
449 // gMC->Gspos("B047", 12, "B076", dx, dy, -dz, idrotm[2014], "ONLY");
451 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
452 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
453 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
454 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
456 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
457 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
458 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
459 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
461 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
462 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
463 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
464 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
466 // gMC->Gspos("BM49", 5, "B076", dx, dy, 0., idrotm[2026], "ONLY");
467 // gMC->Gspos("BM49", 6, "B076", -dx, dy, 0., idrotm[2023], "ONLY");
468 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
469 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
472 // The internal frame
474 char* module[3] = {"B071\0", "B074\0", "B075\0"};
486 for (jmod = 0; jmod < 3; jmod++)
488 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
490 // Position of Holes for PHOS (P) and RICH (R) starting at 6h
491 // P P P - - R R R - - - - - - - - P P
492 Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
496 Float_t rout1 = 410.564;
497 Float_t rout2 = 415.2;
498 Int_t modcount[3] = {0, 0, 0};
500 for (i=0; i<18; i++) {
502 Float_t phi2 = 270+phi;
503 if (phi2 >= 360.) phi2-=360.;
505 dx = TMath::Sin(phi*kdeg2rad)*r;
506 dy = -TMath::Cos(phi*kdeg2rad)*r;
509 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
510 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
512 // Position elements of outer Frame
514 dx = TMath::Sin(phi*kdeg2rad)*rout1;
515 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
516 for (j = 0; j < 3; j++)
519 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
520 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
525 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
527 dx = TMath::Sin(phi*kdeg2rad)*rout2;
528 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
529 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
532 // Internal Frame rings
535 // new specs: 40x100x6 for inner rings
536 // 30x135x6 for front and rear rings
538 // currently no distinction between front/rear and inner rings
546 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
548 pbox[1] = pbox[1] - 0.6;
549 pbox[2] = pbox[2] - 0.6;
550 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
551 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
553 // Web frame 0-degree
555 // h x w x s = 60x40x4
556 // (attention: element is are half bars, "U" shaped)
560 h = dymodU[0]-dymodL[0];
563 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
565 theta = TMath::ACos(x);
566 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
572 ptrap[4] = dwl/cos(theta);
579 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
580 ptrap[3] = dwh - 0.2;
581 ptrap[4] = (dwl-0.4)/cos(theta);
586 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
587 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
592 dz = dymodU[1]-dymodL[1];
595 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
598 theta = krad2deg * TMath::ACos(x);
611 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
612 ptrap[3] = dwh - 0.2;
613 ptrap[4] = (dwl-0.4)/x;
618 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
619 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
624 pbox[2] = (iFrH-ringH-longH)/2.;
625 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
629 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
630 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
633 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
635 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
636 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
637 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
638 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
640 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
641 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
642 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
643 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
645 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
646 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
647 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
648 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
651 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
652 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
653 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
655 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
656 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
657 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
658 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
661 // web frame diagonal (outer)
665 dz = dymodL[2]-dymodU[1]-dwl;
668 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
671 theta = krad2deg * TMath::ACos(x);
684 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
685 ptrap[3] = dwh - 0.2;
686 ptrap[4] = (dwl-0.4)/x;
691 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
692 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
695 // web frame diagonal (inner)
697 dz = dymodL[1]-dymodU[0];
699 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
702 theta = krad2deg * TMath::ACos(x);
704 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
715 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
717 ptrap[4] = (dwl-0.4)/x;
722 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
723 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
726 dz = -iFrH/2.+ringH/2.+kEps;
728 for (i = 0; i< 3; i++)
731 for (jmod = 0; jmod<3; jmod++) {
732 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
733 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
737 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
738 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
739 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
740 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
745 // outer diagonal web
747 dy = (dymodU[0]+dymodL[0])/2.;
748 for (jmod = 0; jmod<3; jmod++) {
749 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
750 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
751 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
752 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
755 dy = (dymodU[1]+dymodL[1])/2.;
756 for (jmod = 0; jmod<3; jmod++) {
757 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
758 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
759 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
760 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
764 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
765 for (jmod = 0; jmod<3; jmod++) {
766 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
767 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
768 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
769 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
773 dy = (dymodL[1]+dymodU[0])/2.;
775 for (jmod = 0; jmod<3; jmod++) {
776 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
777 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
778 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
779 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
782 // longitudinal bars (TPC rails attached)
784 // h x w x s = 100 x 75 x 6
786 // Attention: 2 "U" shaped half rods per cell
801 gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
808 gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
809 gMC->Gspos("B062", 1, "B059", 0.0, -0.3, 0., 0, "ONLY");
811 // longitudinal bars (no TPC rails attached)
812 // new specs: h x w x s = 60 x 60 x 3
813 // (was: 75 x 100 x 5?)
824 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
825 ptrap[0] = longW/4.-0.15;
826 ptrap[4] = longH/2.-0.30;
831 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
832 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
834 dz = -iFrH/2.+ringH+longH/2.;
836 for (jmod = 0; jmod<3; jmod++) {
837 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
838 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
842 // Spacer between TRD and TOF modules
854 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
855 for (jmod = 0; jmod<3; jmod++) {
856 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
857 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
860 // Mother volumes for TRD and TOF
863 printf("\n FRAME Version without Holes !");
868 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
869 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
870 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
876 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
877 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
878 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
880 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
881 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
882 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
884 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
885 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
886 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
888 printf("\n FRAME Version with Holes !");
893 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
895 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
897 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
903 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
905 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
907 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
910 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
911 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
912 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
913 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
914 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
916 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
917 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, 42.69, idrotm[2070], "ONLY");
918 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, 42.69, 0, "ONLY");
919 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, 42.69, idrotm[2070], "ONLY");
920 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, 42.69, 0, "ONLY");
924 // Geometry of Rails starts here
928 // Rails for space-frame
935 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
939 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
943 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
945 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
946 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
947 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
948 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
949 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
954 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
956 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
957 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
958 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
959 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
967 gMC->Gsvolu("BRE1", "BOX", kAir, rbox, 3);
971 gMC->Gsvolu("BRE2", "BOX", kSteel, rbox, 3);
975 gMC->Gsvolu("BRE3", "BOX", kSteel, rbox, 3);
977 gMC->Gspos("BRE2", 1, "BRE1", 0., -32.5+2.50, 0., 0, "ONLY");
978 gMC->Gspos("BRE2", 2, "BRE1", 0., 32.5-2.50, 0., 0, "ONLY");
979 gMC->Gspos("BRE3", 1, "BRE1", -20., 0., 0., 0, "ONLY");
980 gMC->Gspos("BRE3", 2, "BRE1", 20., 0., 0., 0, "ONLY");
981 gMC->Gspos("BRE1", 1, "ALIC", -496., -190., 0., 0, "ONLY");
982 gMC->Gspos("BRE1", 2, "ALIC", 496., -190., 0., 0, "ONLY");
987 //___________________________________________
988 void AliFRAMEv2::CreateMaterials()
990 // Creates the materials
991 Float_t epsil, stemax, tmaxfd, deemax, stmin;
993 epsil = 1.e-4; // Tracking precision,
994 stemax = -0.01; // Maximum displacement for multiple scat
995 tmaxfd = -20.; // Maximum angle due to field deflection
996 deemax = -.3; // Maximum fractional energy loss, DLS
998 Int_t isxfld = gAlice->Field()->Integ();
999 Float_t sxmgmx = gAlice->Field()->Max();
1001 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1002 Float_t zsteel[4] = { 26.,24.,28.,14. };
1003 Float_t wsteel[4] = { .715,.18,.1,.005 };
1005 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1006 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
1007 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1008 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1011 //_____________________________________________________________________________
1012 void AliFRAMEv2::Init()
1015 // Initialise the module after the geometry has been defined
1018 printf("%s: **************************************"
1020 "**************************************\n",ClassName());
1021 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1022 printf("%s: **************************************"
1024 "**************************************\n",ClassName());
1028 Int_t AliFRAMEv2::IsVersion() const
1030 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1032 if (fHoles == 0) version = 1;