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>
28 #include "AliFRAMEv2.h"
37 //_____________________________________________________________________________
38 AliFRAMEv2::AliFRAMEv2()
44 //_____________________________________________________________________________
45 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
46 : AliFRAME(name,title)
53 //___________________________________________
54 void AliFRAMEv2::CreateGeometry()
58 <img src="picts/frame.gif">
65 <img src="picts/tree_frame.gif">
70 Int_t *idtmed = fIdtmed->GetArray()-1999;
75 Float_t pbox[3], ptrap[11], ptrd1[4], ppgon[10];
82 const Float_t kEps = 0.01;
83 const Int_t kAir = idtmed[2004];
84 const Int_t kSteel = idtmed[2064];
86 const Float_t krad2deg = 180./TMath::Pi();
87 const Float_t kdeg2rad = 1./krad2deg;
89 Float_t iFrH = 114.40;
91 Float_t ringW = 10.00;
98 Float_t dymodU[3] = {70.0, 224.0, 341.};
100 Float_t dymodL[3] = {54.0, 178.5, 341.};
103 // Frame mother volume
117 ppgon[7] = -ppgon[4];
121 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
123 // gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
124 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
126 // Reference plane for TRD
128 ppgon[6] = ppgon[5] + 0.1;
130 gMC->Gsvolu("BREF", "PGON", kAir, ppgon, 10);
131 gMC->Gspos("BREF", 1, "B077", 0., 0., 0., 0, "ONLY");
152 ppgon[7] = -ppgon[4];
155 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
156 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
160 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
161 2.*doh*TMath::Tan(10.*kdeg2rad);
163 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
170 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
172 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
173 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
176 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
177 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
186 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
189 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
190 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
197 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
198 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
199 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
204 Float_t h, d, dq, x, theta;
206 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
210 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
213 theta = krad2deg * TMath::ACos(x);
227 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
229 ptrap[4] = (dol-ds)/x;
234 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
235 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
244 h = (2.*dymodU[0]-2.*dol)*.999;
251 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
255 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
256 theta = krad2deg * TMath::ACos(x);
258 ptrap[0] = dz/2.-kEps;
268 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
269 ptrap[0] = ptrap[0]-kEps;
271 ptrap[4] = (dol-ds)/x;
276 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
277 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
278 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
281 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
282 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
283 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
287 ptrap[1] = theta2*krad2deg;
290 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
298 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
299 Float_t ddx0 = ptrap[8];
301 Float_t dd1s = dd1*(1.-2.*ds/d);
302 Float_t dd2s = dd2*(1.-2.*ds/d);
303 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
307 ptrap[1] = theta2s*krad2deg;
310 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
314 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
317 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
318 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
320 Float_t ddx, ddz, drx, drz, rtheta;
322 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
323 rtheta = (90.-theta)*kdeg2rad;
324 ddx = -ddx0-dol*TMath::Tan(theta2);
327 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
328 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
329 gMC->Gspos("B051", 1, "BM49",
331 idrotm[2001], "ONLY");
333 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
334 rtheta = (270.-theta)*kdeg2rad;
336 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
337 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
338 gMC->Gspos("B051", 2, "BM49",
340 idrotm[2002], "ONLY");
345 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
347 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
348 theta = krad2deg * TMath::ACos(x);
359 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
361 ptrap[4] = (dol-ds)/x;
366 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
367 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
370 // Positioning of diagonal bars
372 // Matrices have been imported from Euclid. Some simplification
375 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
376 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
377 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
378 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
379 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
380 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
381 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
382 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
383 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
384 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
385 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
386 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
387 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
388 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
389 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
390 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
392 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
393 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
394 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
395 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
396 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
397 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
398 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
399 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
401 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
402 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
403 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
404 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
405 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
406 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
407 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
410 dz = (dymodU[1]+dymodU[0])/2.;
411 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
417 dx = rd * TMath::Sin(phi*kdeg2rad);
418 dy = rd * TMath::Cos(phi*kdeg2rad);
421 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
422 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
423 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
424 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
432 dx = rd * TMath::Sin(phi*kdeg2rad);
433 dy = rd * TMath::Cos(phi*kdeg2rad);
435 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
436 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
437 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
438 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
445 dx = rd * TMath::Sin(phi*kdeg2rad);
446 dy = rd * TMath::Cos(phi*kdeg2rad);
448 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
449 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
450 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
451 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
453 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
454 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
455 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
456 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
458 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
459 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
460 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
461 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
463 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
464 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
467 // The internal frame
479 Float_t rout1 = 410.564;
480 Float_t rout2 = 415.2;
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] = {0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
486 for (i = 0; i < 18; i++) {
489 sprintf(name, "BSEGMO%d", i);
490 gMC->Gsvolu(name, "TRD1", kAir, ptrd1, 4);
495 Float_t phi = i * 20.;
496 Float_t phi2 = 270 + phi;
497 if (phi2 >= 360.) phi2 -= 360.;
499 dx = TMath::Sin(phi*kdeg2rad)*r;
500 dy = -TMath::Cos(phi*kdeg2rad)*r;
502 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
503 gMC->Gspos(name, 1, "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
505 // Position elements of outer Frame
507 dx = TMath::Sin(phi*kdeg2rad)*rout1;
508 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
509 for (j = 0; j < 3; j++)
512 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
513 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
518 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
520 dx = TMath::Sin(phi*kdeg2rad)*rout2;
521 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
522 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
525 // Internal Frame rings
528 // new specs: 40x100x6 for inner rings
529 // 30x135x6 for front and rear rings
531 // currently no distinction between front/rear and inner rings
539 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
541 pbox[1] = pbox[1] - 0.6;
542 pbox[2] = pbox[2] - 0.6;
543 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
544 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
546 // Web frame 0-degree
548 // h x w x s = 60x40x4
549 // (attention: element is are half bars, "U" shaped)
553 h = dymodU[0]-dymodL[0];
556 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
558 theta = TMath::ACos(x);
559 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
565 ptrap[4] = dwl/cos(theta);
572 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
573 ptrap[3] = dwh - 0.2;
574 ptrap[4] = (dwl-0.4)/cos(theta);
579 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
580 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
585 dz = dymodU[1]-dymodL[1];
588 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
591 theta = krad2deg * TMath::ACos(x);
604 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
605 ptrap[3] = dwh - 0.2;
606 ptrap[4] = (dwl-0.4)/x;
611 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
612 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
617 pbox[2] = (iFrH-ringH-longH)/2.;
618 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
622 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
623 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
626 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
628 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
629 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
630 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
631 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
633 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
634 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
635 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
636 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
638 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
639 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
640 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
641 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
644 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
645 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
646 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
648 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
649 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
650 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
651 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
654 // web frame diagonal (outer)
658 dz = dymodL[2]-dymodU[1]-dwl;
661 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
664 theta = krad2deg * TMath::ACos(x);
677 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
678 ptrap[3] = dwh - 0.2;
679 ptrap[4] = (dwl-0.4)/x;
684 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
685 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
688 // web frame diagonal (inner)
690 dz = dymodL[1]-dymodU[0];
692 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
695 theta = krad2deg * TMath::ACos(x);
697 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
708 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
710 ptrap[4] = (dwl-0.4)/x;
715 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
716 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
719 dz = -iFrH/2.+ringH/2.+kEps;
721 for (i = 0; i< 18; i++)
724 for (jmod = 0; jmod<3; jmod++) {
725 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[mod[i]], dz, 0, "ONLY");
726 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[mod[i]], dz, idrotm[2070], "ONLY");
730 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[2], 4.6669, idrotm[2072], "ONLY");
731 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[2], 4.6669, idrotm[2071], "ONLY");
732 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[2], 4.6669, idrotm[2074], "ONLY");
733 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[2], 4.6669, idrotm[2073], "ONLY");
738 // outer diagonal web
740 dy = (dymodU[0]+dymodL[0])/2.;
741 for (jmod = 0; jmod < 18; jmod++) {
742 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
743 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
744 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
745 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
748 dy = (dymodU[1]+dymodL[1])/2.;
749 for (jmod = 0; jmod < 18; jmod++) {
750 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
751 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
752 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
753 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
757 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
758 for (jmod = 0; jmod < 18; jmod++) {
759 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
760 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
761 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
762 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
766 dy = (dymodL[1]+dymodU[0])/2.;
768 for (jmod = 0; jmod < 18; jmod++) {
769 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
770 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
771 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
772 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
775 // longitudinal bars (TPC rails attached)
777 // h x w x s = 100 x 75 x 6
779 // Attention: 2 "U" shaped half rods per cell
794 // gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
801 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
802 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
805 // longitudinal bars (no TPC rails attached)
806 // new specs: h x w x s = 60 x 60 x 3
807 // (was: 75 x 100 x 5?)
818 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
819 ptrap[0] = longW/4.-0.15;
820 ptrap[4] = longH/2.-0.30;
825 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
826 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
828 dz = -iFrH/2.+ringH+longH/2.;
830 for (jmod = 0; jmod < 18; jmod++) {
831 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
832 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
836 // Spacer between TRD and TOF modules
849 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
850 for (jmod = 0; jmod < 18; jmod++) {
851 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
852 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
856 // TRD mother volumes
864 // ptrd1[0] = 49.8065;
865 // ptrd1[1] = 62.8535;
869 for (i = 0; i < 18; i++) {
871 sprintf(nameCh, "BTRD%d",i);
873 sprintf(nameMo, "BSEGMO%d",i);
874 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
875 gMC->Gspos(nameCh, 1, nameMo, 0., 0., -10.37, 0, "ONLY");
879 // TOF mother volumes
885 for (i = 0; i < 18; i++) {
887 sprintf(nameCh, "BTOF%d",i);
889 sprintf(nameMo, "BSEGMO%d",i);
890 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
891 gMC->Gspos(nameCh, 1, nameMo, 0., 0., 42.69, 0, "ONLY");
895 // Geometry of Rails starts here
899 // Rails for space-frame
906 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
910 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
914 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
916 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
917 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
918 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
919 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
920 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
925 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
927 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
928 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
929 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
930 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
938 Float_t kBFMRin = 270.0;
940 Float_t kBFMRou = 417.5;
942 Float_t kBFMdz = 118.0;
946 Float_t kBFRdr = 7.5;
947 Float_t kBFRdz = 8.0;
953 Float_t kBFBdd = 0.6;
960 tpar[2] = kBFMdz / 2.;
961 gMC->Gsvolu("BFMO", "TUBE", kAir, tpar, 3);
967 tpar[1] = tpar[0] + kBFRdr;
968 tpar[2] = kBFRdz / 2.;
970 gMC->Gsvolu("BFIR", "TUBE", kSteel, tpar, 3);
972 tpar[0] = tpar[0] + kBFBdd;
973 tpar[1] = tpar[1] - kBFBdd;
974 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
976 gMC->Gsvolu("BFII", "TUBE", kAir, tpar, 3);
977 gMC->Gspos("BFII", 1, "BFIR", 0., 0., 0., 0, "ONLY");
981 tpar[0] = kBFMRou - kBFRdr;
983 tpar[2] = kBFRdz / 2.;
985 gMC->Gsvolu("BFOR", "TUBE", kSteel, tpar, 3);
987 tpar[0] = tpar[0] + kBFBdd;
988 tpar[1] = tpar[1] - kBFBdd;
989 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
991 gMC->Gsvolu("BFOO", "TUBE", kAir, tpar, 3);
992 gMC->Gspos("BFOO", 1, "BFOR", 0., 0., 0., 0, "ONLY");
995 dz = kBFMdz/2. - kBFRdz / 2.;
996 gMC->Gspos("BFIR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
997 gMC->Gspos("BFIR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
998 gMC->Gspos("BFOR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
999 gMC->Gspos("BFOR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1002 // Longitudinal Bars
1008 bpar[2] = kBFMdz/2. - kBFBd;
1009 gMC->Gsvolu("BFLB", "BOX ", kSteel, bpar, 3);
1011 bpar[0] = bpar[0] - kBFBdd;
1012 bpar[1] = bpar[1] - kBFBdd;
1013 bpar[2] = bpar[2] - kBFBdd;
1014 gMC->Gsvolu("BFLL", "BOX ", kAir, bpar, 3);
1015 gMC->Gspos("BFLL", 1, "BFLB", 0., 0., 0., 0, "ONLY");
1017 for (i = 0; i < 18; i++)
1019 Float_t ro = kBFMRou - kBFBd / 2.;
1020 Float_t ri = kBFMRin + kBFBd / 2.;
1022 Float_t phi = Float_t(i) * 20.;
1024 Float_t x = ri * TMath::Cos(phi * kDegrad);
1025 Float_t y = ri * TMath::Sin(phi * kDegrad);
1026 AliMatrix(idrotm[2090+i], 90.0, phi, 90.0, phi + 270., 0., 0.);
1028 gMC->Gspos("BFLB", i + 1, "BFMO", x, y, 0., idrotm[2090 + i], "ONLY");
1030 x = ro * TMath::Cos(phi * kDegrad);
1031 y = ro * TMath::Sin(phi * kDegrad);
1033 gMC->Gspos("BFLB", i + 19, "BFMO", x, y, 0., idrotm[2090 +i], "ONLY");
1039 bpar[0] = (kBFMRou - kBFMRin - 2. * kBFRdr) / 2.;
1043 // Avoid overlap with circle
1044 Float_t rr = kBFMRou - kBFRdr;
1045 Float_t delta = rr - TMath::Sqrt(rr * rr - kBFBd * kBFBd / 4.) + 0.01;
1046 bpar[0] -= delta /2.;
1049 gMC->Gsvolu("BFRB", "BOX ", kSteel, bpar, 3);
1051 bpar[0] = bpar[0] - kBFBdd;
1052 bpar[1] = bpar[1] - kBFBdd;
1053 bpar[2] = bpar[2] - kBFBdd;
1054 gMC->Gsvolu("BFRR", "BOX ", kAir, bpar, 3);
1055 gMC->Gspos("BFRR", 1, "BFRB", 0., 0., 0., 0, "ONLY");
1057 Int_t iphi[10] = {0, 1, 3, 6, 8, 9, 10, 12, 15, 17};
1059 for (i = 0; i < 10; i++)
1062 Float_t r = (kBFMRin + kBFMRou)/2.;
1063 Float_t phi = Float_t(iphi[i]) * 20.;
1065 Float_t x = r * TMath::Cos(phi * kDegrad);
1066 Float_t y = r * TMath::Sin(phi * kDegrad);
1068 gMC->Gspos("BFRB", i + 1, "BFMO", x, y, dz, idrotm[2034 + iphi[i]], "ONLY");
1069 gMC->Gspos("BFRB", i + 11, "BFMO", x, y, -dz, idrotm[2034 + iphi[i]], "ONLY");
1073 gMC->Gspos("BFMO", i + 19, "ALIC", 0, 0, 376. + kBFMdz/2. + 0.5 , 0, "ONLY");
1084 Float_t kBBMRin = 278.0;
1086 Float_t kBBMRou = 410.5;
1088 Float_t kBBMdz = 223.0;
1089 Float_t kBBBdz = 6.0;
1090 Float_t kBBBdd = 0.6;
1093 // The Mother volume
1100 ppgon[4] = -kBBMdz / 2. ;
1104 ppgon[7] = -ppgon[4];
1105 ppgon[8] = ppgon[5];
1106 ppgon[9] = ppgon[6];
1108 gMC->Gsvolu("BBMO", "PGON", kAir, ppgon, 10);
1109 gMC->Gsdvn("BBCE", "BBMO", 18, 2);
1111 // Longitudinal bars
1112 bpar[0] = kBBBdz/2.;
1114 bpar[2] = kBBMdz/2. - kBBBdz;
1115 gMC->Gsvolu("BBLB", "BOX ", kSteel, bpar, 3);
1119 gMC->Gsvolu("BBLL", "BOX ", kAir, bpar, 3);
1120 gMC->Gspos("BBLL", 1, "BBLB", 0., 0., 0., 0, "ONLY");
1122 dx = kBBMRin + kBBBdz/2. + (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1123 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1124 gMC->Gspos("BBLB", 1, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1126 dx = kBBMRou - kBBBdz/2. - (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1127 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1129 gMC->Gspos("BBLB", 2, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1134 bpar[0] = (kBBMRou - kBBMRin) / 2. - kBBBdz;
1138 gMC->Gsvolu("BBRB", "BOX ", kSteel, bpar, 3);
1142 gMC->Gsvolu("BBRR", "BOX ", kAir, bpar, 3);
1143 gMC->Gspos("BBRR", 1, "BBRB", 0., 0., 0., 0, "ONLY");
1146 dx = (kBBMRou + kBBMRin) / 2.;
1147 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1148 dz = kBBMdz/2. - kBBBdz / 2.;
1150 gMC->Gspos("BBRB", 1, "BBCE", dx, dy, dz, idrotm[2052], "ONLY");
1151 gMC->Gspos("BBRB", 2, "BBCE", dx, dy, - dz, idrotm[2052], "ONLY");
1152 gMC->Gspos("BBRB", 3, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1159 bpar[1] = kBBMRin * TMath::Sin(10. * kDegrad);
1162 gMC->Gsvolu("BBC1", "BOX ", kSteel, bpar, 3);
1166 gMC->Gsvolu("BBC2", "BOX ", kAir, bpar, 3);
1167 gMC->Gspos("BBC2", 1, "BBC1", 0., 0., 0., 0, "ONLY");
1168 dx = kBBMRin + kBBBdz/2;
1170 gMC->Gspos("BBC1", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1171 gMC->Gspos("BBC1", 2, "BBCE", dx, dy, -dz, 0, "ONLY");
1174 bpar[1] = (kBBMRou - kBBBdz) * TMath::Sin(10. * kDegrad);
1177 gMC->Gsvolu("BBC3", "BOX ", kSteel, bpar, 3);
1181 gMC->Gsvolu("BBC4", "BOX ", kAir, bpar, 3);
1182 gMC->Gspos("BBC4", 1, "BBC3", 0., 0., 0., 0, "ONLY");
1183 dx = kBBMRou - kBBBdz/2;
1185 gMC->Gspos("BBC3", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1186 gMC->Gspos("BBC3", 2, "BBCE", dx, dy, - dz, 0, "ONLY");
1190 h = (kBBMRou - kBBMRin - 2. * kBBBdz);;
1192 dz = kBBMdz/2. - 1.6 * kBBBdz;
1195 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
1198 theta = kRaddeg * TMath::ACos(x);
1205 ptrap[5] = ptrap[4];
1207 ptrap[7] = ptrap[3];
1208 ptrap[8] = ptrap[4];
1209 ptrap[9] = ptrap[4];
1211 gMC->Gsvolu("BBD1", "TRAP", kSteel, ptrap, 11);
1212 ptrap[3] = d/2-kBBBdd;
1213 ptrap[4] = (d/2-kBBBdd)/x;
1214 ptrap[5] = ptrap[4];
1215 ptrap[7] = ptrap[3];
1216 ptrap[8] = ptrap[4];
1217 ptrap[9] = ptrap[4];
1218 gMC->Gsvolu("BBD3", "TRAP", kAir, ptrap, 11);
1219 gMC->Gspos("BBD3", 1, "BBD1", 0.0, 0.0, 0., 0, "ONLY");
1220 dx = (kBBMRou + kBBMRin) / 2.;
1221 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1222 gMC->Gspos("BBD1", 1, "BBCE", dx, dy, dz/2. + kBBBdz/2., idrotm[2052], "ONLY");
1230 ptrap[5] = ptrap[4];
1232 ptrap[7] = ptrap[3];
1233 ptrap[8] = ptrap[4];
1234 ptrap[9] = ptrap[4];
1236 gMC->Gsvolu("BBD2", "TRAP", kSteel, ptrap, 11);
1237 ptrap[3] = d/2-kBBBdd;
1238 ptrap[4] = (d/2-kBBBdd)/x;
1239 ptrap[5] = ptrap[4];
1240 ptrap[7] = ptrap[3];
1241 ptrap[8] = ptrap[4];
1242 ptrap[9] = ptrap[4];
1243 gMC->Gsvolu("BBD4", "TRAP", kAir, ptrap, 11);
1244 gMC->Gspos("BBD4", 1, "BBD2", 0.0, 0.0, 0., 0, "ONLY");
1245 dx = (kBBMRou + kBBMRin) / 2.;
1246 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1247 gMC->Gspos("BBD2", 1, "BBCE", dx, dy, -dz/2. - kBBBdz/2., idrotm[2052], "ONLY");
1250 gMC->Gspos("BBMO", 1, "ALIC", 0., 0., - 376. - kBBMdz / 2. - 0.5, 0, "ONLY");
1257 //___________________________________________
1258 void AliFRAMEv2::CreateMaterials()
1260 // Creates the materials
1261 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1263 epsil = 1.e-4; // Tracking precision,
1264 stemax = -0.01; // Maximum displacement for multiple scat
1265 tmaxfd = -20.; // Maximum angle due to field deflection
1266 deemax = -.3; // Maximum fractional energy loss, DLS
1268 Int_t isxfld = gAlice->Field()->Integ();
1269 Float_t sxmgmx = gAlice->Field()->Max();
1272 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1273 Float_t zsteel[4] = { 26.,24.,28.,14. };
1274 Float_t wsteel[4] = { .715,.18,.1,.005 };
1278 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1279 Float_t zAir[4]={6.,7.,8.,18.};
1280 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1281 Float_t dAir = 1.20479E-3;
1283 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1284 AliMixture(5, "AIR$ ", aAir, zAir, dAir,4, wAir);
1286 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1287 AliMedium( 5, "Air", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1291 //_____________________________________________________________________________
1292 void AliFRAMEv2::Init()
1295 // Initialise the module after the geometry has been defined
1297 if(AliLog::GetGlobalDebugLevel()>0) {
1298 printf("%s: **************************************"
1300 "**************************************\n",ClassName());
1301 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1302 printf("%s: **************************************"
1304 "**************************************\n",ClassName());
1307 // The reference volume id
1308 fRefVolumeId = gMC->VolId("BREF");
1311 Int_t AliFRAMEv2::IsVersion() const
1313 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1315 if (fHoles == 0) version = 1;
1319 void AliFRAMEv2::StepManager()
1322 // Stepmanager of AliFRAMEv2.cxx
1323 // Used for recording of reference tracks entering the spaceframe mother volume
1328 // Only charged tracks
1329 if( !(gMC->TrackCharge()) ) return;
1331 // Only tracks entering mother volume
1334 id=gMC->CurrentVolID(copy);
1336 if (id != fRefVolumeId) return;
1337 if(!gMC->IsTrackEntering()) return;
1339 // Add the reference track
1341 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());