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
110 ppgon[7] = -ppgon[4];
114 gMC->Gsvolu("B077", "PGON", kAir, ppgon, 10);
116 // gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
117 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
119 // Reference plane for TRD
121 ppgon[6] = ppgon[5] + 0.1;
123 gMC->Gsvolu("BREF", "PGON", kAir, ppgon, 10);
124 gMC->Gspos("BREF", 1, "B077", 0., 0., 0., 0, "ONLY");
145 ppgon[7] = -ppgon[4];
148 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
149 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
153 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
154 2.*doh*TMath::Tan(10.*kdeg2rad);
156 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
163 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
165 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
166 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
169 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
170 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
179 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
182 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
183 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
190 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
191 gMC->Gspos("B080", 1, "B077", 286.01, 0., 0., 0, "ONLY");
192 gMC->Gspos("B080", 2, "B077", -286.01, 0., 0., 0, "ONLY");
197 Float_t h, d, dq, x, theta;
199 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
203 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
206 theta = krad2deg * TMath::ACos(x);
220 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
222 ptrap[4] = (dol-ds)/x;
227 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
228 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
237 h = (2.*dymodU[0]-2.*dol)*.999;
244 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
248 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
249 theta = krad2deg * TMath::ACos(x);
251 ptrap[0] = dz/2.-kEps;
261 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
262 ptrap[0] = ptrap[0]-kEps;
264 ptrap[4] = (dol-ds)/x;
269 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
270 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
271 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
274 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
275 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
276 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
280 ptrap[1] = theta2*krad2deg;
283 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
291 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
292 Float_t ddx0 = ptrap[8];
294 Float_t dd1s = dd1*(1.-2.*ds/d);
295 Float_t dd2s = dd2*(1.-2.*ds/d);
296 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
300 ptrap[1] = theta2s*krad2deg;
303 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
307 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
310 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
311 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
313 Float_t ddx, ddz, drx, drz, rtheta;
315 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
316 rtheta = (90.-theta)*kdeg2rad;
317 ddx = -ddx0-dol*TMath::Tan(theta2);
320 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
321 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
322 gMC->Gspos("B051", 1, "BM49",
324 idrotm[2001], "ONLY");
326 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
327 rtheta = (270.-theta)*kdeg2rad;
329 drx = TMath::Cos(rtheta) * ddx + TMath::Sin(rtheta) * ddz-pbox[0];
330 drz = -TMath::Sin(rtheta) * ddx + TMath::Cos(rtheta) * ddz+pbox[2];
331 gMC->Gspos("B051", 2, "BM49",
333 idrotm[2002], "ONLY");
338 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
340 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
341 theta = krad2deg * TMath::ACos(x);
352 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
354 ptrap[4] = (dol-ds)/x;
359 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
360 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
363 // Positioning of diagonal bars
365 // Matrices have been imported from Euclid. Some simplification
368 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
369 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
370 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
371 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
372 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
373 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
374 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
375 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
376 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
377 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
378 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
379 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
380 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
381 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
382 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
383 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
385 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
386 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
387 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
388 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
389 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
390 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
391 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
392 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
394 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
395 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
396 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
397 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
398 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
399 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
400 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
403 dz = (dymodU[1]+dymodU[0])/2.;
404 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
410 dx = rd * TMath::Sin(phi*kdeg2rad);
411 dy = rd * TMath::Cos(phi*kdeg2rad);
413 // gMC->Gspos("B047", 1, "B076", -dx, dy, dz, idrotm[2004], "ONLY");
414 // gMC->Gspos("B047", 2, "B076", -dx, dy, -dz, idrotm[2003], "ONLY");
415 // gMC->Gspos("B047", 3, "B076", dx, dy, dz, idrotm[2017], "ONLY");
416 // gMC->Gspos("B047", 4, "B076", dx, dy, -dz, idrotm[2018], "ONLY");
418 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
419 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
420 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
421 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
423 // gMC->Gspos("BM49", 1, "B076", dx, dy, 0., idrotm[2020], "ONLY");
424 // gMC->Gspos("BM49", 2, "B076", -dx, dy, 0., idrotm[2019], "ONLY");
431 dx = rd * TMath::Sin(phi*kdeg2rad);
432 dy = rd * TMath::Cos(phi*kdeg2rad);
433 // gMC->Gspos("B047", 5, "B076", -dx, dy, dz, idrotm[2005], "ONLY");
434 // gMC->Gspos("B047", 6, "B076", -dx, dy, -dz, idrotm[2006], "ONLY");
435 // gMC->Gspos("B047", 7, "B076", dx, dy, dz, idrotm[2016], "ONLY");
436 // gMC->Gspos("B047", 8, "B076", dx, dy, -dz, idrotm[2015], "ONLY");
438 gMC->Gspos("B045", 5, "B076", -dx, dy, dz2, idrotm[2021], "ONLY");
439 gMC->Gspos("B045", 6, "B076", -dx, dy, -dz2, idrotm[2028], "ONLY");
440 gMC->Gspos("B045", 7, "B076", dx, dy, dz2, idrotm[2022], "ONLY");
441 gMC->Gspos("B045", 8, "B076", dx, dy, -dz2, idrotm[2029], "ONLY");
443 // gMC->Gspos("BM49", 3, "B076", dx, dy, 0., idrotm[2022], "ONLY");
444 // gMC->Gspos("BM49", 4, "B076", -dx, dy, 0., idrotm[2021], "ONLY");
450 dx = rd * TMath::Sin(phi*kdeg2rad);
451 dy = rd * TMath::Cos(phi*kdeg2rad);
452 // gMC->Gspos("B047", 9, "B076", -dx, dy, dz, idrotm[2009], "ONLY");
453 // gMC->Gspos("B047", 10, "B076", -dx, dy, -dz, idrotm[2007], "ONLY");
454 // gMC->Gspos("B047", 11, "B076", dx, dy, dz, idrotm[2013], "ONLY");
455 // gMC->Gspos("B047", 12, "B076", dx, dy, -dz, idrotm[2014], "ONLY");
457 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
458 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
459 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
460 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
462 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
463 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
464 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
465 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
467 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
468 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
469 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
470 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
472 // gMC->Gspos("BM49", 5, "B076", dx, dy, 0., idrotm[2026], "ONLY");
473 // gMC->Gspos("BM49", 6, "B076", -dx, dy, 0., idrotm[2023], "ONLY");
474 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
475 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
478 // The internal frame
480 char* module[3] = {"B071\0", "B074\0", "B075\0"};
492 for (jmod = 0; jmod < 3; jmod++)
494 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
496 // Position of Holes for PHOS (P) and RICH (R) starting at 6h
497 // P P P - - R R R - - - - - - - - P P
498 Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
502 Float_t rout1 = 410.564;
503 Float_t rout2 = 415.2;
504 Int_t modcount[3] = {0, 0, 0};
506 for (i=0; i<18; i++) {
508 Float_t phi2 = 270+phi;
509 if (phi2 >= 360.) phi2-=360.;
511 dx = TMath::Sin(phi*kdeg2rad)*r;
512 dy = -TMath::Cos(phi*kdeg2rad)*r;
515 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
516 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
518 // Position elements of outer Frame
520 dx = TMath::Sin(phi*kdeg2rad)*rout1;
521 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
522 for (j = 0; j < 3; j++)
525 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
526 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
531 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
533 dx = TMath::Sin(phi*kdeg2rad)*rout2;
534 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
535 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
538 // Internal Frame rings
541 // new specs: 40x100x6 for inner rings
542 // 30x135x6 for front and rear rings
544 // currently no distinction between front/rear and inner rings
552 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
554 pbox[1] = pbox[1] - 0.6;
555 pbox[2] = pbox[2] - 0.6;
556 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
557 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
559 // Web frame 0-degree
561 // h x w x s = 60x40x4
562 // (attention: element is are half bars, "U" shaped)
566 h = dymodU[0]-dymodL[0];
569 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
571 theta = TMath::ACos(x);
572 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
578 ptrap[4] = dwl/cos(theta);
585 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
586 ptrap[3] = dwh - 0.2;
587 ptrap[4] = (dwl-0.4)/cos(theta);
592 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
593 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
598 dz = dymodU[1]-dymodL[1];
601 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
604 theta = krad2deg * TMath::ACos(x);
617 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
618 ptrap[3] = dwh - 0.2;
619 ptrap[4] = (dwl-0.4)/x;
624 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
625 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
630 pbox[2] = (iFrH-ringH-longH)/2.;
631 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
635 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
636 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
639 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
641 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
642 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
643 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
644 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
646 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
647 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
648 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
649 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
651 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
652 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
653 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
654 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
657 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
658 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
659 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
661 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
662 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
663 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
664 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
667 // web frame diagonal (outer)
671 dz = dymodL[2]-dymodU[1]-dwl;
674 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
677 theta = krad2deg * TMath::ACos(x);
690 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
691 ptrap[3] = dwh - 0.2;
692 ptrap[4] = (dwl-0.4)/x;
697 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
698 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
701 // web frame diagonal (inner)
703 dz = dymodL[1]-dymodU[0];
705 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
708 theta = krad2deg * TMath::ACos(x);
710 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
721 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
723 ptrap[4] = (dwl-0.4)/x;
728 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
729 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
732 dz = -iFrH/2.+ringH/2.+kEps;
734 for (i = 0; i< 3; i++)
737 for (jmod = 0; jmod<3; jmod++) {
738 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
739 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
743 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
744 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
745 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
746 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
751 // outer diagonal web
753 dy = (dymodU[0]+dymodL[0])/2.;
754 for (jmod = 0; jmod<3; jmod++) {
755 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
756 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
757 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
758 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
761 dy = (dymodU[1]+dymodL[1])/2.;
762 for (jmod = 0; jmod<3; jmod++) {
763 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
764 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
765 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
766 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
770 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
771 for (jmod = 0; jmod<3; jmod++) {
772 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
773 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
774 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
775 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
779 dy = (dymodL[1]+dymodU[0])/2.;
781 for (jmod = 0; jmod<3; jmod++) {
782 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
783 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
784 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
785 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
788 // longitudinal bars (TPC rails attached)
790 // h x w x s = 100 x 75 x 6
792 // Attention: 2 "U" shaped half rods per cell
807 // gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
814 //gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
815 //gMC->Gspos("B062", 1, "B059", 0.0, 0., 0., 0, "ONLY");
818 // longitudinal bars (no TPC rails attached)
819 // new specs: h x w x s = 60 x 60 x 3
820 // (was: 75 x 100 x 5?)
831 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
832 ptrap[0] = longW/4.-0.15;
833 ptrap[4] = longH/2.-0.30;
838 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
839 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
841 dz = -iFrH/2.+ringH+longH/2.;
843 for (jmod = 0; jmod<3; jmod++) {
844 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
845 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
849 // Spacer between TRD and TOF modules
861 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
862 for (jmod = 0; jmod<3; jmod++) {
863 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
864 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
867 // Mother volumes for TRD and TOF
870 printf("\n FRAME Version without Holes !");
875 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
876 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
877 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
883 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
884 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
885 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
887 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
888 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
889 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
891 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
892 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
893 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
895 printf("\n FRAME Version with Holes !");
900 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
902 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
904 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
910 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
912 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
914 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
917 gMC->Gspos("BTR1", 1, "B071", 0., 0.00, -10.8, 0, "ONLY");
918 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[2070], "ONLY");
919 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
920 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[2070], "ONLY");
921 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
923 gMC->Gspos("BTO1", 1, "B071", 0., 0.00, 42.69, 0, "ONLY");
924 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, 42.69, idrotm[2070], "ONLY");
925 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, 42.69, 0, "ONLY");
926 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, 42.69, idrotm[2070], "ONLY");
927 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, 42.69, 0, "ONLY");
931 // Geometry of Rails starts here
935 // Rails for space-frame
942 gMC->Gsvolu("BRS1", "BOX", kAir, rbox, 3);
946 gMC->Gsvolu("BRS2", "BOX", kSteel, rbox, 3);
950 gMC->Gsvolu("BRS3", "BOX", kSteel, rbox, 3);
952 gMC->Gspos("BRS2", 1, "BRS1", 0., -27.5+3.75, 0., 0, "ONLY");
953 gMC->Gspos("BRS2", 2, "BRS1", 0., 27.5-3.75, 0., 0, "ONLY");
954 gMC->Gspos("BRS3", 1, "BRS1", 0., 0., 0., 0, "ONLY");
955 gMC->Gspos("BRS1", 1, "ALIC", -430.-3., -180., 0., 0, "ONLY");
956 gMC->Gspos("BRS1", 2, "ALIC", 430.+3., -180., 0., 0, "ONLY");
961 gMC->Gsvolu("BRS4", "BOX", kSteel, rbox, 3);
963 gMC->Gspos("BRS4", 1, "ALIC", 430.+3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
964 gMC->Gspos("BRS4", 2, "ALIC", 430.+3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
965 gMC->Gspos("BRS4", 3, "ALIC", -430.-3., -180.+55./2.+rbox[1], 224., 0, "ONLY");
966 gMC->Gspos("BRS4", 4, "ALIC", -430.-3., -180.+55./2.+rbox[1], -224., 0, "ONLY");
974 gMC->Gsvolu("BRE1", "BOX", kAir, rbox, 3);
978 gMC->Gsvolu("BRE2", "BOX", kSteel, rbox, 3);
982 gMC->Gsvolu("BRE3", "BOX", kSteel, rbox, 3);
984 gMC->Gspos("BRE2", 1, "BRE1", 0., -32.5+2.50, 0., 0, "ONLY");
985 gMC->Gspos("BRE2", 2, "BRE1", 0., 32.5-2.50, 0., 0, "ONLY");
986 gMC->Gspos("BRE3", 1, "BRE1", -20., 0., 0., 0, "ONLY");
987 gMC->Gspos("BRE3", 2, "BRE1", 20., 0., 0., 0, "ONLY");
988 gMC->Gspos("BRE1", 1, "ALIC", -496., -190., 0., 0, "ONLY");
989 gMC->Gspos("BRE1", 2, "ALIC", 496., -190., 0., 0, "ONLY");
994 //___________________________________________
995 void AliFRAMEv2::CreateMaterials()
997 // Creates the materials
998 Float_t epsil, stemax, tmaxfd, deemax, stmin;
1000 epsil = 1.e-4; // Tracking precision,
1001 stemax = -0.01; // Maximum displacement for multiple scat
1002 tmaxfd = -20.; // Maximum angle due to field deflection
1003 deemax = -.3; // Maximum fractional energy loss, DLS
1005 Int_t isxfld = gAlice->Field()->Integ();
1006 Float_t sxmgmx = gAlice->Field()->Max();
1008 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1009 Float_t zsteel[4] = { 26.,24.,28.,14. };
1010 Float_t wsteel[4] = { .715,.18,.1,.005 };
1012 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1013 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
1014 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1015 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
1018 //_____________________________________________________________________________
1019 void AliFRAMEv2::Init()
1022 // Initialise the module after the geometry has been defined
1025 printf("%s: **************************************"
1027 "**************************************\n",ClassName());
1028 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
1029 printf("%s: **************************************"
1031 "**************************************\n",ClassName());
1034 // The reference volume id
1035 fRefVolumeId = gMC->VolId("BREF");
1038 Int_t AliFRAMEv2::IsVersion() const
1040 // Returns the version of the FRAME (1 if no holes, 0 otherwise)
1042 if (fHoles == 0) version = 1;
1046 void AliFRAMEv2::StepManager()
1049 // Stepmanager of AliFRAMEv2.cxx
1050 // Used for recording of reference tracks entering the spaceframe mother volume
1055 // Only charged tracks
1056 if( !(gMC->TrackCharge()) ) return;
1058 // Only tracks entering mother volume
1061 id=gMC->CurrentVolID(copy);
1063 if (id != fRefVolumeId) return;
1064 if(!gMC->IsTrackEntering()) return;
1066 // Add the reference track
1068 AddTrackReference(gAlice->CurrentTrack());