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 Revision 1.9 2001/12/05 12:10:26 morsch
19 Rails for spaceframe included.
21 Revision 1.8 2001/10/18 14:11:35 morsch
22 Some changes/bug corrections for SetHole(1) option.
24 Revision 1.7 2001/10/16 14:50:59 morsch
25 ... or better use modified IsVersion() method.
27 Revision 1.6 2001/10/16 14:33:04 morsch
28 Hole() method needed by TRD to find out wheter frame has holes.
30 Revision 1.5 2001/08/28 15:54:29 morsch
31 Web frame and inner rings pointing.
33 Revision 1.4 2001/06/22 14:11:17 morsch
34 Back to official z-positions of rings.
36 Revision 1.3 2001/06/22 12:02:20 morsch
37 Ring locations matching TRD module positions.
39 Revision 1.2 2001/05/25 07:59:54 morsch
40 Initialization print-out in debug mode only.
42 Revision 1.1 2001/05/11 13:18:05 morsch
43 C++ version of spaceframe with specs according to Jan Bielski Feb. 2001
47 ////////////////////////////////////////////////
48 // space frame class /
49 ///////////////////////////////////////////////
51 #include "AliFRAMEv2.h"
59 //_____________________________________________________________________________
60 AliFRAMEv2::AliFRAMEv2()
66 //_____________________________________________________________________________
67 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
68 : AliFRAME(name,title)
75 //___________________________________________
76 void AliFRAMEv2::CreateGeometry()
80 <img src="picts/frame.gif">
87 <img src="picts/tree_frame.gif">
92 Int_t *idtmed = fIdtmed->GetArray()-1999;
97 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
103 const Float_t kEps = 0.01;
104 const Int_t kAir = idtmed[2004];
105 const Int_t kSteel = idtmed[2064];
107 const Float_t krad2deg = 180./TMath::Pi();
108 const Float_t kdeg2rad = 1./krad2deg;
110 Float_t iFrH = 114.40;
111 Float_t ringH = 4.00;
112 Float_t ringW = 10.00;
113 Float_t longH = 5.39;
114 Float_t longW = 6.00;
119 Float_t dymodU[3] = {70.0, 224.0, 341.};
121 Float_t dymodL[3] = {54.0, 178.5, 341.};
124 // Frame mother volume
139 ppgon[7] = -ppgon[4];
143 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
145 // gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
146 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
167 ppgon[7] = -ppgon[4];
170 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
171 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
175 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
176 2.*doh*TMath::Tan(10.*kdeg2rad);
178 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
185 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
187 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
188 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
191 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
192 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
201 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
204 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
205 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
212 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
213 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
214 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
219 Float_t h, d, dq, x, theta;
221 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
225 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
228 theta = krad2deg * TMath::ACos(x);
242 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
244 ptrap[4] = (dol-ds)/x;
249 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
250 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
259 h = (2.*dymodU[0]-2.*dol)*.999;
266 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
270 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
271 theta = krad2deg * TMath::ACos(x);
273 ptrap[0] = dz/2.-kEps;
283 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
284 ptrap[0] = ptrap[0]-kEps;
286 ptrap[4] = (dol-ds)/x;
291 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
292 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
293 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
296 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
297 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
298 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
302 ptrap[1] = theta2*krad2deg;
305 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
313 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
314 Float_t ddx0 = ptrap[8];
316 Float_t dd1s = dd1*(1.-2.*ds/d);
317 Float_t dd2s = dd2*(1.-2.*ds/d);
318 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
322 ptrap[1] = theta2s*krad2deg;
325 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
329 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
332 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
333 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
335 Float_t ddx, ddz, drx, drz, rtheta;
337 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
338 rtheta = (90.-theta)*kdeg2rad;
339 ddx = -ddx0-dol*TMath::Tan(theta2);
342 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
343 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
344 gMC->Gspos("B051", 1, "BM49",
346 idrotm[2001], "ONLY");
348 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
349 rtheta = (270.-theta)*kdeg2rad;
351 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
352 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
353 gMC->Gspos("B051", 2, "BM49",
355 idrotm[2002], "ONLY");
360 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
362 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
363 theta = krad2deg * TMath::ACos(x);
374 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
376 ptrap[4] = (dol-ds)/x;
381 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
382 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
385 // Positioning of diagonal bars
387 // Matrices have been imported from Euclid. Some simplification
390 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
391 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
392 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
393 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
394 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
395 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
396 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
397 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
398 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
399 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
400 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
401 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
402 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
403 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
404 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
405 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
407 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
408 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
409 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
410 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
411 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
412 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
413 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
414 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
416 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
417 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
418 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
419 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
420 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
421 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
422 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
425 dz = (dymodU[1]+dymodU[0])/2.;
426 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
432 dx = rd * TMath::Sin(phi*kdeg2rad);
433 dy = rd * TMath::Cos(phi*kdeg2rad);
435 gMC->Gspos("B047", 1, "B076", -dx, dy, dz, idrotm[2004], "ONLY");
436 gMC->Gspos("B047", 2, "B076", -dx, dy, -dz, idrotm[2003], "ONLY");
437 // gMC->Gspos("B047", 3, "B076", dx, dy, dz, idrotm[2017], "ONLY");
438 // gMC->Gspos("B047", 4, "B076", dx, dy, -dz, idrotm[2018], "ONLY");
440 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
441 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
442 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
443 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
445 // gMC->Gspos("BM49", 1, "B076", dx, dy, 0., idrotm[2020], "ONLY");
446 gMC->Gspos("BM49", 2, "B076", -dx, dy, 0., idrotm[2019], "ONLY");
453 dx = rd * TMath::Sin(phi*kdeg2rad);
454 dy = rd * TMath::Cos(phi*kdeg2rad);
455 gMC->Gspos("B047", 5, "B076", -dx, dy, dz, idrotm[2005], "ONLY");
456 gMC->Gspos("B047", 6, "B076", -dx, dy, -dz, idrotm[2006], "ONLY");
457 // gMC->Gspos("B047", 7, "B076", dx, dy, dz, idrotm[2016], "ONLY");
458 // gMC->Gspos("B047", 8, "B076", dx, dy, -dz, idrotm[2015], "ONLY");
460 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
461 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
462 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
463 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
465 // gMC->Gspos("BM49", 3, "B076", dx, dy, 0., idrotm[2022], "ONLY");
466 gMC->Gspos("BM49", 4, "B076", -dx, dy, 0., idrotm[2021], "ONLY");
472 dx = rd * TMath::Sin(phi*kdeg2rad);
473 dy = rd * TMath::Cos(phi*kdeg2rad);
474 gMC->Gspos("B047", 9, "B076", -dx, dy, dz, idrotm[2009], "ONLY");
475 gMC->Gspos("B047", 10, "B076", -dx, dy, -dz, idrotm[2007], "ONLY");
476 // gMC->Gspos("B047", 11, "B076", dx, dy, dz, idrotm[2013], "ONLY");
477 // gMC->Gspos("B047", 12, "B076", dx, dy, -dz, idrotm[2014], "ONLY");
479 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
480 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
481 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
482 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
484 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
485 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
486 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
487 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
489 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
490 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
491 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
492 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
494 // gMC->Gspos("BM49", 5, "B076", dx, dy, 0., idrotm[2026], "ONLY");
495 gMC->Gspos("BM49", 6, "B076", -dx, dy, 0., idrotm[2023], "ONLY");
496 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
497 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
500 // The internal frame
502 char* module[3] = {"B071\0", "B074\0", "B075\0"};
514 for (jmod = 0; jmod < 3; jmod++)
516 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
519 Int_t mod[18] = {1, 1, 1, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 1, 1};
523 Float_t rout1 = 410.564;
524 Float_t rout2 = 415.2;
525 Int_t modcount[3] = {0, 0, 0};
527 for (i=0; i<18; i++) {
529 Float_t phi2 = 270+phi;
530 if (phi2 >= 360.) phi2-=360.;
532 dx = TMath::Sin(phi*kdeg2rad)*r;
533 dy = -TMath::Cos(phi*kdeg2rad)*r;
536 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
537 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
539 // Position elements of outer Frame
541 dx = TMath::Sin(phi*kdeg2rad)*rout1;
542 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
543 for (j = 0; j < 3; j++)
546 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
547 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
552 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
554 dx = TMath::Sin(phi*kdeg2rad)*rout2;
555 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
556 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
559 // Internal Frame rings
562 // new specs: 40x100x6 for inner rings
563 // 30x135x6 for front and rear rings
565 // currently no distinction between front/rear and inner rings
573 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
575 pbox[1] = pbox[1] - 0.6;
576 pbox[2] = pbox[2] - 0.6;
577 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
578 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
580 // Web frame 0-degree
582 // h x w x s = 60x40x4
583 // (attention: element is are half bars, "U" shaped)
587 h = dymodU[0]-dymodL[0];
590 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
592 theta = TMath::ACos(x);
593 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
599 ptrap[4] = dwl/cos(theta);
606 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
607 ptrap[3] = dwh - 0.2;
608 ptrap[4] = (dwl-0.4)/cos(theta);
613 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
614 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
619 dz = dymodU[1]-dymodL[1];
622 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
625 theta = krad2deg * TMath::ACos(x);
638 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
639 ptrap[3] = dwh - 0.2;
640 ptrap[4] = (dwl-0.4)/x;
645 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
646 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
651 pbox[2] = (iFrH-ringH-longH)/2.;
652 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
656 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
657 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
660 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
662 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
663 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
664 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
665 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
667 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
668 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
669 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
670 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
672 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
673 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
674 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
675 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
678 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
679 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
680 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
682 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
683 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
684 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
685 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
688 // web frame diagonal (outer)
692 dz = dymodL[2]-dymodU[1]-dwl;
695 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
698 theta = krad2deg * TMath::ACos(x);
711 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
712 ptrap[3] = dwh - 0.2;
713 ptrap[4] = (dwl-0.4)/x;
718 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
719 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
722 // web frame diagonal (inner)
724 dz = dymodL[1]-dymodU[0];
726 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
729 theta = krad2deg * TMath::ACos(x);
731 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
742 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
744 ptrap[4] = (dwl-0.4)/x;
749 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
750 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
753 dz = -iFrH/2.+ringH/2.+kEps;
755 for (i = 0; i< 3; i++)
758 for (jmod = 0; jmod<3; jmod++) {
759 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
760 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
764 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
765 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
766 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
767 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
772 // outer diagonal web
774 dy = (dymodU[0]+dymodL[0])/2.;
775 for (jmod = 0; jmod<3; jmod++) {
776 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
777 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
778 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
779 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
782 dy = (dymodU[1]+dymodL[1])/2.;
783 for (jmod = 0; jmod<3; jmod++) {
784 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
785 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
786 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
787 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
791 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
792 for (jmod = 0; jmod<3; jmod++) {
793 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
794 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
795 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
796 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
800 dy = (dymodL[1]+dymodU[0])/2.;
802 for (jmod = 0; jmod<3; jmod++) {
803 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
804 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
805 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
806 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
809 // longitudinal bars (TPC rails attached)
811 // h x w x s = 100 x 75 x 6
813 // Attention: 2 "U" shaped half rods per cell
828 gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
835 gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
836 gMC->Gspos("B062", 1, "B059", 0.0, -0.3, 0., 0, "ONLY");
838 // longitudinal bars (no TPC rails attached)
839 // new specs: h x w x s = 60 x 60 x 3
840 // (was: 75 x 100 x 5?)
851 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
852 ptrap[0] = longW/4.-0.15;
853 ptrap[4] = longH/2.-0.30;
858 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
859 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
861 dz = -iFrH/2.+ringH+longH/2.;
863 for (jmod = 0; jmod<3; jmod++) {
864 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
865 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
869 // Spacer between TRD and TOF modules
881 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
882 for (jmod = 0; jmod<3; jmod++) {
883 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
884 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
887 // Mother volumes for TRD and TOF
890 printf("\n FRAME Version without Holes !");
895 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
896 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
897 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
903 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
904 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
905 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
907 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
908 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
909 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
911 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
912 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
913 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
915 printf("\n FRAME Version with Holes !");
920 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
922 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
924 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
930 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
932 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
934 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
937 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
938 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
939 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
940 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
941 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
943 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
944 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, 42.69, idrotm[2070], "ONLY");
945 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, 42.69, 0, "ONLY");
946 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, 42.69, idrotm[2070], "ONLY");
947 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, 42.69, 0, "ONLY");
951 // Geometry of Rails starts here
955 // Rails for space-frame
962 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
966 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
970 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
972 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
973 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
974 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
975 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
976 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
981 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
983 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
984 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
985 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
986 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
994 gMC->Gsvolu("BRE1", "BOX", kAir, rbox, 3);
998 gMC->Gsvolu("BRE2", "BOX", kSteel, rbox, 3);
1002 gMC->Gsvolu("BRE3", "BOX", kSteel, rbox, 3);
1004 gMC->Gspos("BRE2", 1, "BRE1", 0., -32.5+2.50, 0., 0, "ONLY");
1005 gMC->Gspos("BRE2", 2, "BRE1", 0., 32.5-2.50, 0., 0, "ONLY");
1006 gMC->Gspos("BRE3", 1, "BRE1", -20., 0., 0., 0, "ONLY");
1007 gMC->Gspos("BRE3", 2, "BRE1", 20., 0., 0., 0, "ONLY");
1008 gMC->Gspos("BRE1", 1, "ALIC", -496., -190., 0., 0, "ONLY");
1009 gMC->Gspos("BRE1", 2, "ALIC", 496., -190., 0., 0, "ONLY");
1014 //___________________________________________
1015 void AliFRAMEv2::CreateMaterials()
1018 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1020 epsil = 1.e-4; // Tracking precision,
1021 stemax = -0.01; // Maximum displacement for multiple scat
1022 tmaxfd = -20.; // Maximum angle due to field deflection
1023 deemax = -.3; // Maximum fractional energy loss, DLS
1025 Int_t isxfld = gAlice->Field()->Integ();
1026 Float_t sxmgmx = gAlice->Field()->Max();
1028 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1029 Float_t zsteel[4] = { 26.,24.,28.,14. };
1030 Float_t wsteel[4] = { .715,.18,.1,.005 };
1032 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1033 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
1034 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1035 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1038 //_____________________________________________________________________________
1039 void AliFRAMEv2::Init()
1042 // Initialise the module after the geometry has been defined
1045 printf("%s: **************************************"
1047 "**************************************\n",ClassName());
1048 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1049 printf("%s: **************************************"
1051 "**************************************\n",ClassName());
1055 Int_t AliFRAMEv2::IsVersion() const
1058 if (fHoles == 0) version = 1;