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 <TGeoManager.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");
132 gGeoManager->GetVolume("BREF")->SetVisibility(kFALSE);
153 ppgon[7] = -ppgon[4];
156 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
157 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
161 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
162 2.*doh*TMath::Tan(10.*kdeg2rad);
164 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
171 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
173 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
174 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
177 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
178 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
187 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
190 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
191 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
198 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
199 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
200 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
205 Float_t h, d, dq, x, theta;
207 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
211 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
214 theta = krad2deg * TMath::ACos(x);
228 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
230 ptrap[4] = (dol-ds)/x;
235 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
236 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
245 h = (2.*dymodU[0]-2.*dol)*.999;
252 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
256 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
257 theta = krad2deg * TMath::ACos(x);
259 ptrap[0] = dz/2.-kEps;
269 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
270 ptrap[0] = ptrap[0]-kEps;
272 ptrap[4] = (dol-ds)/x;
277 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
278 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
279 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
282 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
283 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
284 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
288 ptrap[1] = theta2*krad2deg;
291 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
299 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
300 Float_t ddx0 = ptrap[8];
302 Float_t dd1s = dd1*(1.-2.*ds/d);
303 Float_t dd2s = dd2*(1.-2.*ds/d);
304 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
308 ptrap[1] = theta2s*krad2deg;
311 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
315 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
318 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
319 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
321 Float_t ddx, ddz, drx, drz, rtheta;
323 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
324 rtheta = (90.-theta)*kdeg2rad;
325 ddx = -ddx0-dol*TMath::Tan(theta2);
328 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
329 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
330 gMC->Gspos("B051", 1, "BM49",
332 idrotm[2001], "ONLY");
334 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
335 rtheta = (270.-theta)*kdeg2rad;
337 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
338 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
339 gMC->Gspos("B051", 2, "BM49",
341 idrotm[2002], "ONLY");
346 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
348 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
349 theta = krad2deg * TMath::ACos(x);
360 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
362 ptrap[4] = (dol-ds)/x;
367 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
368 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
371 // Positioning of diagonal bars
373 // Matrices have been imported from Euclid. Some simplification
376 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
377 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
378 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
379 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
380 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
381 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
382 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
383 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
384 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
385 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
386 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
387 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
388 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
389 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
390 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
391 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
393 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
394 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
395 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
396 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
397 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
398 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
399 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
400 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
402 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
403 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
404 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
405 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
406 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
407 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
408 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
411 dz = (dymodU[1]+dymodU[0])/2.;
412 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
418 dx = rd * TMath::Sin(phi*kdeg2rad);
419 dy = rd * TMath::Cos(phi*kdeg2rad);
422 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
423 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
424 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
425 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
433 dx = rd * TMath::Sin(phi*kdeg2rad);
434 dy = rd * TMath::Cos(phi*kdeg2rad);
436 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
437 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
438 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
439 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
446 dx = rd * TMath::Sin(phi*kdeg2rad);
447 dy = rd * TMath::Cos(phi*kdeg2rad);
449 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
450 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
451 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
452 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
454 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
455 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
456 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
457 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
459 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
460 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
461 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
462 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
464 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
465 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
468 // The internal frame
480 Float_t rout1 = 410.564;
481 Float_t rout2 = 415.2;
484 for (i = 0; i < 18; i++) {
488 if (mod > 17) mod -= 18;
489 sprintf(name, "BSEGMO%d", mod);
490 gMC->Gsvolu(name, "TRD1", kAir, ptrd1, 4);
491 gGeoManager->GetVolume(name)->SetVisibility(kFALSE);
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 (jmod = 0; jmod< 18; jmod++)
724 for (i = 0; i < 3; i++) {
725 gMC->Gspos("B072", 6*jmod+i+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
726 gMC->Gspos("B072", 6*jmod+i+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
730 gMC->Gspos("B263", 4*jmod+1, module[jmod], 60.0732, dymodU[2], 4.6669, idrotm[2072], "ONLY");
731 gMC->Gspos("B263", 4*jmod+2, module[jmod], 60.0732, -dymodU[2], 4.6669, idrotm[2071], "ONLY");
732 gMC->Gspos("B263", 4*jmod+3, module[jmod], -60.0732, dymodU[2], 4.6669, idrotm[2074], "ONLY");
733 gMC->Gspos("B263", 4*jmod+4, 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
859 // ptrd1[0] = 49.8065;
860 // ptrd1[1] = 62.8535;
863 // ptrd1[0] = 49.8065;
864 // ptrd1[1] = 63.0060;
868 ptrd1[0] = 47.4405; // CBL 28/6/2006
869 ptrd1[1] = 61.1765; // CBL
870 ptrd1[2] = 375.5; // CBL
871 ptrd1[3] = 38.95; // CBL
875 for (i = 0; i < 18; i++) {
877 sprintf(nameCh, "BTRD%d",i);
879 sprintf(nameMo, "BSEGMO%d",i);
880 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
881 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
883 // gMC->Gspos(nameCh, 1, nameMo, 0., 0., -10.37, 0, "ONLY");
884 gMC->Gspos(nameCh, 1, nameMo, 0., 0., -11.75, 0, "ONLY"); // CBL 28/6/2006
888 // TOF mother volumes
894 for (i = 0; i < 18; i++) {
896 sprintf(nameCh, "BTOF%d",i);
898 sprintf(nameMo, "BSEGMO%d",i);
899 gMC->Gsvolu(nameCh, "TRD1", kAir, ptrd1, 4);
900 gGeoManager->GetVolume(nameCh)->SetVisibility(kFALSE);
901 gMC->Gspos(nameCh, 1, nameMo, 0., 0., 42.69, 0, "ONLY");
905 // Geometry of Rails starts here
909 // Rails for space-frame
916 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
920 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
924 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
926 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
927 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
928 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
929 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -190., 0., 0, "ONLY");
930 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -190., 0., 0, "ONLY");
935 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
937 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -190.+55./2.+rbox[1], 224., 0, "ONLY");
938 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -190.+55./2.+rbox[1], -224., 0, "ONLY");
939 // gMC->Gspos("BRS4", 3, "ALIC", -430.+3, -180.+55./2.+rbox[1], 224., 0, "ONLY");
940 // gMC->Gspos("BRS4", 4, "ALIC", -430.+3, -180.+55./2.+rbox[1], -224., 0, "ONLY");
948 Float_t kBFMRin = 270.0;
950 Float_t kBFMRou = 417.5;
952 Float_t kBFMdz = 118.0;
956 Float_t kBFRdr = 7.5;
957 Float_t kBFRdz = 8.0;
963 Float_t kBFBdd = 0.6;
970 tpar[2] = kBFMdz / 2.;
971 gMC->Gsvolu("BFMO", "TUBE", kAir, tpar, 3);
977 tpar[1] = tpar[0] + kBFRdr;
978 tpar[2] = kBFRdz / 2.;
980 gMC->Gsvolu("BFIR", "TUBE", kSteel, tpar, 3);
982 tpar[0] = tpar[0] + kBFBdd;
983 tpar[1] = tpar[1] - kBFBdd;
984 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
986 gMC->Gsvolu("BFII", "TUBE", kAir, tpar, 3);
987 gMC->Gspos("BFII", 1, "BFIR", 0., 0., 0., 0, "ONLY");
991 tpar[0] = kBFMRou - kBFRdr;
993 tpar[2] = kBFRdz / 2.;
995 gMC->Gsvolu("BFOR", "TUBE", kSteel, tpar, 3);
997 tpar[0] = tpar[0] + kBFBdd;
998 tpar[1] = tpar[1] - kBFBdd;
999 tpar[2] = (kBFRdz - 2. * kBFBdd) / 2.;
1001 gMC->Gsvolu("BFOO", "TUBE", kAir, tpar, 3);
1002 gMC->Gspos("BFOO", 1, "BFOR", 0., 0., 0., 0, "ONLY");
1005 dz = kBFMdz/2. - kBFRdz / 2.;
1006 gMC->Gspos("BFIR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
1007 gMC->Gspos("BFIR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1008 gMC->Gspos("BFOR", 1, "BFMO", 0., 0., dz, 0, "ONLY");
1009 gMC->Gspos("BFOR", 2, "BFMO", 0., 0., -dz, 0, "ONLY");
1012 // Longitudinal Bars
1018 bpar[2] = kBFMdz/2. - kBFBd;
1019 gMC->Gsvolu("BFLB", "BOX ", kSteel, bpar, 3);
1021 bpar[0] = bpar[0] - kBFBdd;
1022 bpar[1] = bpar[1] - kBFBdd;
1023 bpar[2] = bpar[2] - kBFBdd;
1024 gMC->Gsvolu("BFLL", "BOX ", kAir, bpar, 3);
1025 gMC->Gspos("BFLL", 1, "BFLB", 0., 0., 0., 0, "ONLY");
1027 for (i = 0; i < 18; i++)
1029 Float_t ro = kBFMRou - kBFBd / 2.;
1030 Float_t ri = kBFMRin + kBFBd / 2.;
1032 Float_t phi = Float_t(i) * 20.;
1034 Float_t x = ri * TMath::Cos(phi * kDegrad);
1035 Float_t y = ri * TMath::Sin(phi * kDegrad);
1036 AliMatrix(idrotm[2090+i], 90.0, phi, 90.0, phi + 270., 0., 0.);
1038 gMC->Gspos("BFLB", i + 1, "BFMO", x, y, 0., idrotm[2090 + i], "ONLY");
1040 x = ro * TMath::Cos(phi * kDegrad);
1041 y = ro * TMath::Sin(phi * kDegrad);
1043 gMC->Gspos("BFLB", i + 19, "BFMO", x, y, 0., idrotm[2090 +i], "ONLY");
1049 bpar[0] = (kBFMRou - kBFMRin - 2. * kBFRdr) / 2.;
1053 // Avoid overlap with circle
1054 Float_t rr = kBFMRou - kBFRdr;
1055 Float_t delta = rr - TMath::Sqrt(rr * rr - kBFBd * kBFBd / 4.) + 0.01;
1056 bpar[0] -= delta /2.;
1059 gMC->Gsvolu("BFRB", "BOX ", kSteel, bpar, 3);
1061 bpar[0] = bpar[0] - kBFBdd;
1062 bpar[1] = bpar[1] - kBFBdd;
1063 bpar[2] = bpar[2] - kBFBdd;
1064 gMC->Gsvolu("BFRR", "BOX ", kAir, bpar, 3);
1065 gMC->Gspos("BFRR", 1, "BFRB", 0., 0., 0., 0, "ONLY");
1067 Int_t iphi[10] = {0, 1, 3, 6, 8, 9, 10, 12, 15, 17};
1069 for (i = 0; i < 10; i++)
1072 Float_t r = (kBFMRin + kBFMRou)/2.;
1073 Float_t phi = Float_t(iphi[i]) * 20.;
1075 Float_t x = r * TMath::Cos(phi * kDegrad);
1076 Float_t y = r * TMath::Sin(phi * kDegrad);
1078 gMC->Gspos("BFRB", i + 1, "BFMO", x, y, dz, idrotm[2034 + iphi[i]], "ONLY");
1079 gMC->Gspos("BFRB", i + 11, "BFMO", x, y, -dz, idrotm[2034 + iphi[i]], "ONLY");
1083 gMC->Gspos("BFMO", i + 19, "ALIC", 0, 0, - 376. - kBFMdz/2. - 0.5 , 0, "ONLY");
1094 Float_t kBBMRin = 278.0;
1096 Float_t kBBMRou = 410.5;
1098 Float_t kBBMdz = 223.0;
1099 Float_t kBBBdz = 6.0;
1100 Float_t kBBBdd = 0.6;
1103 // The Mother volume
1110 ppgon[4] = -kBBMdz / 2. ;
1114 ppgon[7] = -ppgon[4];
1115 ppgon[8] = ppgon[5];
1116 ppgon[9] = ppgon[6];
1118 gMC->Gsvolu("BBMO", "PGON", kAir, ppgon, 10);
1119 gMC->Gsdvn("BBCE", "BBMO", 18, 2);
1121 // Longitudinal bars
1122 bpar[0] = kBBBdz/2.;
1124 bpar[2] = kBBMdz/2. - kBBBdz;
1125 gMC->Gsvolu("BBLB", "BOX ", kSteel, bpar, 3);
1129 gMC->Gsvolu("BBLL", "BOX ", kAir, bpar, 3);
1130 gMC->Gspos("BBLL", 1, "BBLB", 0., 0., 0., 0, "ONLY");
1132 dx = kBBMRin + kBBBdz/2. + (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1133 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1134 gMC->Gspos("BBLB", 1, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1136 dx = kBBMRou - kBBBdz/2. - (bpar[1] + kBBBdd) * TMath::Sin(10. * kDegrad);
1137 dy = dx * TMath::Tan(10. * kDegrad) - kBBBdz/2./TMath::Cos(10. * kDegrad);
1139 gMC->Gspos("BBLB", 2, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1144 bpar[0] = (kBBMRou - kBBMRin) / 2. - kBBBdz;
1148 gMC->Gsvolu("BBRB", "BOX ", kSteel, bpar, 3);
1152 gMC->Gsvolu("BBRR", "BOX ", kAir, bpar, 3);
1153 gMC->Gspos("BBRR", 1, "BBRB", 0., 0., 0., 0, "ONLY");
1156 dx = (kBBMRou + kBBMRin) / 2.;
1157 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1158 dz = kBBMdz/2. - kBBBdz / 2.;
1160 gMC->Gspos("BBRB", 1, "BBCE", dx, dy, dz, idrotm[2052], "ONLY");
1161 gMC->Gspos("BBRB", 2, "BBCE", dx, dy, - dz, idrotm[2052], "ONLY");
1162 gMC->Gspos("BBRB", 3, "BBCE", dx, dy, 0., idrotm[2052], "ONLY");
1169 bpar[1] = kBBMRin * TMath::Sin(10. * kDegrad);
1172 gMC->Gsvolu("BBC1", "BOX ", kSteel, bpar, 3);
1176 gMC->Gsvolu("BBC2", "BOX ", kAir, bpar, 3);
1177 gMC->Gspos("BBC2", 1, "BBC1", 0., 0., 0., 0, "ONLY");
1178 dx = kBBMRin + kBBBdz/2;
1180 gMC->Gspos("BBC1", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1181 gMC->Gspos("BBC1", 2, "BBCE", dx, dy, -dz, 0, "ONLY");
1184 bpar[1] = (kBBMRou - kBBBdz) * TMath::Sin(10. * kDegrad);
1187 gMC->Gsvolu("BBC3", "BOX ", kSteel, bpar, 3);
1191 gMC->Gsvolu("BBC4", "BOX ", kAir, bpar, 3);
1192 gMC->Gspos("BBC4", 1, "BBC3", 0., 0., 0., 0, "ONLY");
1193 dx = kBBMRou - kBBBdz/2;
1195 gMC->Gspos("BBC3", 1, "BBCE", dx, dy, dz, 0, "ONLY");
1196 gMC->Gspos("BBC3", 2, "BBCE", dx, dy, - dz, 0, "ONLY");
1200 h = (kBBMRou - kBBMRin - 2. * kBBBdz);;
1202 dz = kBBMdz/2. - 1.6 * kBBBdz;
1205 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
1208 theta = kRaddeg * TMath::ACos(x);
1215 ptrap[5] = ptrap[4];
1217 ptrap[7] = ptrap[3];
1218 ptrap[8] = ptrap[4];
1219 ptrap[9] = ptrap[4];
1221 gMC->Gsvolu("BBD1", "TRAP", kSteel, ptrap, 11);
1222 ptrap[3] = d/2-kBBBdd;
1223 ptrap[4] = (d/2-kBBBdd)/x;
1224 ptrap[5] = ptrap[4];
1225 ptrap[7] = ptrap[3];
1226 ptrap[8] = ptrap[4];
1227 ptrap[9] = ptrap[4];
1228 gMC->Gsvolu("BBD3", "TRAP", kAir, ptrap, 11);
1229 gMC->Gspos("BBD3", 1, "BBD1", 0.0, 0.0, 0., 0, "ONLY");
1230 dx = (kBBMRou + kBBMRin) / 2.;
1231 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1232 gMC->Gspos("BBD1", 1, "BBCE", dx, dy, dz/2. + kBBBdz/2., idrotm[2052], "ONLY");
1240 ptrap[5] = ptrap[4];
1242 ptrap[7] = ptrap[3];
1243 ptrap[8] = ptrap[4];
1244 ptrap[9] = ptrap[4];
1246 gMC->Gsvolu("BBD2", "TRAP", kSteel, ptrap, 11);
1247 ptrap[3] = d/2-kBBBdd;
1248 ptrap[4] = (d/2-kBBBdd)/x;
1249 ptrap[5] = ptrap[4];
1250 ptrap[7] = ptrap[3];
1251 ptrap[8] = ptrap[4];
1252 ptrap[9] = ptrap[4];
1253 gMC->Gsvolu("BBD4", "TRAP", kAir, ptrap, 11);
1254 gMC->Gspos("BBD4", 1, "BBD2", 0.0, 0.0, 0., 0, "ONLY");
1255 dx = (kBBMRou + kBBMRin) / 2.;
1256 dy = ((kBBMRou + kBBMRin)/ 2) * TMath::Tan(10 * kDegrad) - kBBBdz / 2./ TMath::Cos(10 * kDegrad);
1257 gMC->Gspos("BBD2", 1, "BBCE", dx, dy, -dz/2. - kBBBdz/2., idrotm[2052], "ONLY");
1260 gMC->Gspos("BBMO", 1, "ALIC", 0., 0., + 376. + kBBMdz / 2. + 0.5, 0, "ONLY");
1267 //___________________________________________
1268 void AliFRAMEv2::CreateMaterials()
1270 // Creates the materials
1271 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1273 epsil = 1.e-4; // Tracking precision,
1274 stemax = -0.01; // Maximum displacement for multiple scat
1275 tmaxfd = -20.; // Maximum angle due to field deflection
1276 deemax = -.3; // Maximum fractional energy loss, DLS
1278 Int_t isxfld = gAlice->Field()->Integ();
1279 Float_t sxmgmx = gAlice->Field()->Max();
1282 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1283 Float_t zsteel[4] = { 26.,24.,28.,14. };
1284 Float_t wsteel[4] = { .715,.18,.1,.005 };
1288 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1289 Float_t zAir[4]={6.,7.,8.,18.};
1290 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1291 Float_t dAir = 1.20479E-3;
1293 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1294 AliMixture(5, "AIR$ ", aAir, zAir, dAir,4, wAir);
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);
1301 //_____________________________________________________________________________
1302 void AliFRAMEv2::Init()
1305 // Initialise the module after the geometry has been defined
1307 if(AliLog::GetGlobalDebugLevel()>0) {
1308 printf("%s: **************************************"
1310 "**************************************\n",ClassName());
1311 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1312 printf("%s: **************************************"
1314 "**************************************\n",ClassName());
1317 // The reference volume id
1318 fRefVolumeId = gMC->VolId("BREF");
1321 Int_t AliFRAMEv2::IsVersion() const
1323 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1325 if (fHoles == 0) version = 1;
1329 void AliFRAMEv2::StepManager()
1332 // Stepmanager of AliFRAMEv2.cxx
1333 // Used for recording of reference tracks entering the spaceframe mother volume
1338 // Only charged tracks
1339 if( !(gMC->TrackCharge()) ) return;
1341 // Only tracks entering mother volume
1344 id=gMC->CurrentVolID(copy);
1346 if (id != fRefVolumeId) return;
1347 if(!gMC->IsTrackEntering()) return;
1349 // Add the reference track
1351 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());