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 1.6 2001/10/16 14:33:04 morsch
19 Hole() method needed by TRD to find out wheter frame has holes.
21 Revision 1.5 2001/08/28 15:54:29 morsch
22 Web frame and inner rings pointing.
24 Revision 1.4 2001/06/22 14:11:17 morsch
25 Back to official z-positions of rings.
27 Revision 1.3 2001/06/22 12:02:20 morsch
28 Ring locations matching TRD module positions.
30 Revision 1.2 2001/05/25 07:59:54 morsch
31 Initialization print-out in debug mode only.
33 Revision 1.1 2001/05/11 13:18:05 morsch
34 C++ version of spaceframe with specs according to Jan Bielski Feb. 2001
38 ////////////////////////////////////////////////
39 // space frame class /
40 ///////////////////////////////////////////////
42 #include "AliFRAMEv2.h"
50 //_____________________________________________________________________________
51 AliFRAMEv2::AliFRAMEv2()
57 //_____________________________________________________________________________
58 AliFRAMEv2::AliFRAMEv2(const char *name, const char *title)
59 : AliFRAME(name,title)
66 //___________________________________________
67 void AliFRAMEv2::CreateGeometry()
71 <img src="picts/frame.gif">
78 <img src="picts/tree_frame.gif">
83 Int_t *idtmed = fIdtmed->GetArray()-1999;
88 Float_t pbox[3], ptrap[11], ptrd1[4], ptube[3], ppgon[10];
94 const Float_t kEps = 0.01;
95 const Int_t kAir = idtmed[2004];
96 const Int_t kSteel = idtmed[2064];
98 const Float_t krad2deg = 180./TMath::Pi();
99 const Float_t kdeg2rad = 1./krad2deg;
101 Float_t iFrH = 114.4;
104 Float_t longH = 5.39;
110 Float_t dymodU[3] = {70.0, 224.0, 341.};
112 Float_t dymodL[3] = {54.0, 178.5, 341.};
115 // Frame mother volume
121 gMC->Gsvolu("B077", "TUBE", kAir, ptube, 3);
122 gMC->Gspos("B077", 1, "ALIC", 0., 0., 0., 0, "ONLY");
143 ppgon[7] = -ppgon[4];
146 gMC->Gsvolu("B076", "PGON", kAir, ppgon, 10);
147 gMC->Gspos("B076", 1, "B077", 0., 0., 0., 0, "ONLY");
151 dz = 2.*410.2*TMath::Sin(10.*kdeg2rad)-2.*dol*TMath::Cos(10.*kdeg2rad)-
152 2.*doh*TMath::Tan(10.*kdeg2rad);
154 Float_t l2 = dz/2.+2.*doh*TMath::Tan(10.*kdeg2rad);
161 gMC->Gsvolu("B042", "TRD1", kSteel, ptrd1, 4);
163 ptrd1[0] = ptrd1[0]+ds*(l2-l1)/2./doh;
164 ptrd1[1] = ptrd1[1]-ds*(l2-l1)/2./doh;
167 gMC->Gsvolu("B043", "TRD1", kAir, ptrd1, 4);
168 gMC->Gspos("B043", 1, "B042", 0., 0., 0., 0, "ONLY");
177 gMC->Gsvolu("B033", "BOX", kSteel, pbox, 3);
180 gMC->Gsvolu("B034", "BOX", kAir, pbox, 3);
181 gMC->Gspos("B034", 1, "B033", 0., 0., 0., 0, "ONLY");
188 gMC->Gsvolu("B080", "BOX", kSteel, pbox, 3);
189 gMC->Gspos("B080", 1, "B077", 281.01, 0., 0., 0, "ONLY");
190 gMC->Gspos("B080", 2, "B077", -281.01, 0., 0., 0, "ONLY");
195 Float_t h, d, dq, x, theta;
197 h = (dymodU[1]-dymodU[0]-2.*dol)*.999;
201 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
204 theta = krad2deg * TMath::ACos(x);
218 gMC->Gsvolu("B047", "TRAP", kSteel, ptrap, 11);
220 ptrap[4] = (dol-ds)/x;
225 gMC->Gsvolu("B048", "TRAP", kAir, ptrap, 11);
226 gMC->Gspos("B048", 1, "B047", 0.0, 0.0, 0., 0, "ONLY");
235 h = (2.*dymodU[0]-2.*dol)*.999;
242 gMC->Gsvolu("BM49", "BOX ", kAir, pbox, 3);
246 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
247 theta = krad2deg * TMath::ACos(x);
249 ptrap[0] = dz/2.-kEps;
259 gMC->Gsvolu("B049", "TRAP", kSteel, ptrap, 11);
260 ptrap[0] = ptrap[0]-kEps;
262 ptrap[4] = (dol-ds)/x;
267 gMC->Gsvolu("B050", "TRAP", kAir, ptrap, 11);
268 gMC->Gspos("B050", 1, "B049", 0.0, 0.0, 0., 0, "ONLY");
269 gMC->Gspos("B049", 1, "BM49", 0.0, 0.0, 0., 0, "ONLY");
272 Float_t dd1 = d*TMath::Tan(theta*kdeg2rad);
273 Float_t dd2 = d/TMath::Tan(2.*theta*kdeg2rad);
274 Float_t theta2 = TMath::ATan(TMath::Abs(dd2-dd1)/d/2.);
278 ptrap[1] = theta2*krad2deg;
281 ptrap[4] = (dz/2./x-dd1-dd2)/2.;
289 gMC->Gsvolu("B051", "TRAP", kSteel, ptrap, 11);
290 Float_t ddx0 = ptrap[8];
292 Float_t dd1s = dd1*(1.-2.*ds/d);
293 Float_t dd2s = dd2*(1.-2.*ds/d);
294 Float_t theta2s = TMath::ATan(TMath::Abs(dd2s-dd1s)/(d-2.*ds)/2.);
298 ptrap[1] = theta2s*krad2deg;
301 ptrap[4] = ptrap[4]+ds/d/2.*(dd1+dd2);
305 ptrap[8] = ptrap[8]-ds/2./d*(dd1+dd2);
308 gMC->Gsvolu("B052", "TRAP", kAir, ptrap, 11);
309 gMC->Gspos("B052", 1, "B051", 0.0, 0.0, 0., 0, "ONLY");
311 Float_t ddx, ddz, drx, drz, rtheta;
313 AliMatrix(idrotm[2001], -theta+180, 0.0, 90.0, 90.0, 90.-theta, 0.0);
314 rtheta = (90.-theta)*kdeg2rad;
315 ddx = -ddx0-dol*TMath::Tan(theta2);
318 drx = TMath::Cos(rtheta) * ddx +TMath::Sin(rtheta) *ddz+pbox[0];
319 drz = -TMath::Sin(rtheta) * ddx +TMath::Cos(rtheta) *ddz-pbox[2];
320 gMC->Gspos("B051", 1, "BM49",
322 idrotm[2001], "ONLY");
324 AliMatrix(idrotm[2002], -theta, 0.0, 90.0, 90.0, 270.-theta, 0.0);
325 rtheta = (270.-theta)*kdeg2rad;
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", 2, "BM49",
331 idrotm[2002], "ONLY");
336 h = ((dymodU[2]-dymodU[1])-2.*dol)*.999;
338 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
339 theta = krad2deg * TMath::ACos(x);
350 gMC->Gsvolu("B045", "TRAP", kSteel, ptrap, 11);
352 ptrap[4] = (dol-ds)/x;
357 gMC->Gsvolu("B046", "TRAP", kAir, ptrap, 11);
358 gMC->Gspos("B046", 1, "B045", 0.0, 0.0, 0., 0, "ONLY");
361 // Positioning of diagonal bars
363 // Matrices have been imported from Euclid. Some simplification
366 AliMatrix(idrotm[2003], 0.0, 0.0, 90.0, 130.0, 90.0, 40.0);
367 AliMatrix(idrotm[2004], 180.0, 0.0, 90.0, 130.0, 90.0, 40.0);
368 AliMatrix(idrotm[2005], 180.0, 0.0, 90.0, 150.0, 90.0, 240.0);
369 AliMatrix(idrotm[2006], 0.0, 0.0, 90.0, 150.0, 90.0, 240.0);
370 AliMatrix(idrotm[2007], 0.0, 0.0, 90.0, 170.0, 90.0, 80.0);
371 AliMatrix(idrotm[2008], 180.0, 0.0, 90.0, 190.0, 90.0, 280.0);
372 AliMatrix(idrotm[2009], 180.0, 0.0, 90.0, 170.0, 90.0, 80.0);
373 AliMatrix(idrotm[2010], 0.0, 0.0, 90.0, 190.0, 90.0, 280.0);
374 AliMatrix(idrotm[2011], 0.0, 0.0, 90.0, 350.0, 90.0, 260.0);
375 AliMatrix(idrotm[2012], 180.0, 0.0, 90.0, 350.0, 90.0, 260.0);
376 AliMatrix(idrotm[2013], 180.0, 0.0, 90.0, 10.0, 90.0, 100.0);
377 AliMatrix(idrotm[2014], 0.0, 0.0, 90.0, 10.0, 90.0, 100.0);
378 AliMatrix(idrotm[2015], 0.0, 0.0, 90.0, 30.0, 90.0, 300.0);
379 AliMatrix(idrotm[2016], 180.0, 0.0, 90.0, 30.0, 90.0, 300.0);
380 AliMatrix(idrotm[2017], 180.0, 0.0, 90.0, 50.0, 90.0, 140.0);
381 AliMatrix(idrotm[2018], 0.0, 0.0, 90.0, 50.0, 90.0, 140.0);
383 AliMatrix(idrotm[2019], 180.0, 0.0, 90.0, 130.0, 90.0, 220.0);
384 AliMatrix(idrotm[2020], 180.0, 0.0, 90.0, 50.0, 90.0, 320.0);
385 AliMatrix(idrotm[2021], 180.0, 0.0, 90.0, 150.0, 90.0, 60.0);
386 AliMatrix(idrotm[2022], 180.0, 0.0, 90.0, 30.0, 90.0, 120.0);
387 AliMatrix(idrotm[2023], 180.0, 0.0, 90.0, 170.0, 90.0, 260.0);
388 AliMatrix(idrotm[2024], 180.0, 0.0, 90.0, 190.0, 90.0, 100.0);
389 AliMatrix(idrotm[2025], 180.0, 0.0, 90.0, 350.0, 90.0, 80.0);
390 AliMatrix(idrotm[2026], 180.0, 0.0, 90.0, 10.0, 90.0, 280.0);
392 AliMatrix(idrotm[2027], 0.0, 0.0, 90.0, 50.0, 90.0, 320.0);
393 AliMatrix(idrotm[2028], 0.0, 0.0, 90.0, 150.0, 90.0, 60.0);
394 AliMatrix(idrotm[2029], 0.0, 0.0, 90.0, 30.0, 90.0, 120.0);
395 AliMatrix(idrotm[2030], 0.0, 0.0, 90.0, 10.0, 90.0, 280.0);
396 AliMatrix(idrotm[2031], 0.0, 0.0, 90.0, 170.0, 90.0, 260.0);
397 AliMatrix(idrotm[2032], 0.0, 0.0, 90.0, 190.0, 90.0, 100.0);
398 AliMatrix(idrotm[2033], 0.0, 0.0, 90.0, 350.0, 90.0, 80.0);
401 dz = (dymodU[1]+dymodU[0])/2.;
402 Float_t dz2 = (dymodU[1]+dymodU[2])/2.;
408 dx = rd * TMath::Sin(phi*kdeg2rad);
409 dy = rd * TMath::Cos(phi*kdeg2rad);
411 gMC->Gspos("B047", 1, "B076", -dx, dy, dz, idrotm[2004], "ONLY");
412 gMC->Gspos("B047", 2, "B076", -dx, dy, -dz, idrotm[2003], "ONLY");
413 gMC->Gspos("B047", 3, "B076", dx, dy, dz, idrotm[2017], "ONLY");
414 gMC->Gspos("B047", 4, "B076", dx, dy, -dz, idrotm[2018], "ONLY");
416 gMC->Gspos("B045", 1, "B076", -dx, dy, dz2, idrotm[2019], "ONLY");
417 gMC->Gspos("B045", 2, "B076", -dx, dy, -dz2, idrotm[2003], "ONLY"); // ?
418 gMC->Gspos("B045", 3, "B076", dx, dy, dz2, idrotm[2020], "ONLY");
419 gMC->Gspos("B045", 4, "B076", dx, dy, -dz2, idrotm[2027], "ONLY");
421 gMC->Gspos("BM49", 1, "B076", dx, dy, 0., idrotm[2020], "ONLY");
422 gMC->Gspos("BM49", 2, "B076", -dx, dy, 0., idrotm[2019], "ONLY");
429 dx = rd * TMath::Sin(phi*kdeg2rad);
430 dy = rd * TMath::Cos(phi*kdeg2rad);
431 gMC->Gspos("B047", 5, "B076", -dx, dy, dz, idrotm[2005], "ONLY");
432 gMC->Gspos("B047", 6, "B076", -dx, dy, -dz, idrotm[2006], "ONLY");
433 gMC->Gspos("B047", 7, "B076", dx, dy, dz, idrotm[2016], "ONLY");
434 gMC->Gspos("B047", 8, "B076", dx, dy, -dz, idrotm[2015], "ONLY");
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");
441 gMC->Gspos("BM49", 3, "B076", dx, dy, 0., idrotm[2022], "ONLY");
442 gMC->Gspos("BM49", 4, "B076", -dx, dy, 0., idrotm[2021], "ONLY");
448 dx = rd * TMath::Sin(phi*kdeg2rad);
449 dy = rd * TMath::Cos(phi*kdeg2rad);
450 gMC->Gspos("B047", 9, "B076", -dx, dy, dz, idrotm[2009], "ONLY");
451 gMC->Gspos("B047", 10, "B076", -dx, dy, -dz, idrotm[2007], "ONLY");
452 gMC->Gspos("B047", 11, "B076", dx, dy, dz, idrotm[2013], "ONLY");
453 gMC->Gspos("B047", 12, "B076", dx, dy, -dz, idrotm[2014], "ONLY");
455 gMC->Gspos("B047", 13, "B076", -dx, -dy, dz, idrotm[2008], "ONLY");
456 gMC->Gspos("B047", 14, "B076", -dx, -dy, -dz, idrotm[2010], "ONLY");
457 gMC->Gspos("B047", 15, "B076", dx, -dy, dz, idrotm[2012], "ONLY");
458 gMC->Gspos("B047", 16, "B076", dx, -dy, -dz, idrotm[2011], "ONLY");
460 gMC->Gspos("B045", 9, "B076", -dx, dy, dz2, idrotm[2023], "ONLY");
461 gMC->Gspos("B045", 10, "B076", -dx, dy, -dz2, idrotm[2031], "ONLY");
462 gMC->Gspos("B045", 11, "B076", dx, dy, dz2, idrotm[2026], "ONLY");
463 gMC->Gspos("B045", 12, "B076", dx, dy, -dz2, idrotm[2030], "ONLY");
465 gMC->Gspos("B045", 13, "B076", -dx, -dy, dz2, idrotm[2024], "ONLY");
466 gMC->Gspos("B045", 14, "B076", -dx, -dy, -dz2, idrotm[2032], "ONLY");
467 gMC->Gspos("B045", 15, "B076", dx, -dy, dz2, idrotm[2025], "ONLY");
468 gMC->Gspos("B045", 16, "B076", dx, -dy, -dz2, idrotm[2033], "ONLY");
470 gMC->Gspos("BM49", 5, "B076", dx, dy, 0., idrotm[2026], "ONLY");
471 gMC->Gspos("BM49", 6, "B076", -dx, dy, 0., idrotm[2023], "ONLY");
472 gMC->Gspos("BM49", 7, "B076", dx, -dy, 0., idrotm[2025], "ONLY");
473 gMC->Gspos("BM49", 8, "B076", -dx, -dy, 0., idrotm[2024], "ONLY");
476 // The internal frame
478 char* module[3] = {"B071\0", "B074\0", "B075\0"};
490 for (jmod = 0; jmod < 3; jmod++)
492 gMC->Gsvolu(module[jmod], "TRD1", kAir, ptrd1, 4);
495 Int_t mod[18] = {1, 1, 1, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 1, 1};
499 Float_t rout1 = 410.564;
500 Float_t rout2 = 415.2;
501 Int_t modcount[3] = {0, 0, 0};
503 for (i=0; i<18; i++) {
505 Float_t phi2 = 270+phi;
506 if (phi2 >= 360.) phi2-=360.;
508 dx = TMath::Sin(phi*kdeg2rad)*r;
509 dy = -TMath::Cos(phi*kdeg2rad)*r;
512 AliMatrix(idrotm[2034+i], 90.0, phi, 0., 0., 90., phi2);
513 gMC->Gspos(module[mod[i]], modcount[mod[i]], "B077", dx, dy, 0., idrotm[2034+i], "ONLY");
515 // Position elements of outer Frame
517 dx = TMath::Sin(phi*kdeg2rad)*rout1;
518 dy = -TMath::Cos(phi*kdeg2rad)*rout1;
519 for (j = 0; j < 3; j++)
522 gMC->Gspos("B042", 6*i+2*j+1, "B076", dx, dy, dz, idrotm[2034+i], "ONLY");
523 gMC->Gspos("B042", 6*i+2*j+2, "B076", dx, dy, -dz, idrotm[2034+i], "ONLY");
528 AliMatrix(idrotm[2052+i], 90.0, phi, 90., phi2, 0., 0.);
530 dx = TMath::Sin(phi*kdeg2rad)*rout2;
531 dy = -TMath::Cos(phi*kdeg2rad)*rout2;
532 gMC->Gspos("B033", i+1, "B076", dx, dy, 0., idrotm[2052+i], "ONLY");
535 // Internal Frame rings
538 // new specs: 40x100x6 for inner rings
539 // 30x135x6 for front and rear rings
541 // currently no distinction between front/rear and inner rings
549 gMC->Gsvolu("B072", "BOX ", kSteel, pbox, 3);
551 pbox[1] = pbox[1] - 0.6;
552 pbox[2] = pbox[2] - 0.6;
553 gMC->Gsvolu("B073", "BOX ", kAir, pbox, 3);
554 gMC->Gspos("B073", 1, "B072", 0., 0., 0., 0, "ONLY");
556 // Web frame 0-degree
558 // h x w x s = 60x40x4
559 // (attention: element is are half bars, "U" shaped)
563 h = dymodU[0]-dymodL[0];
566 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
568 theta = TMath::ACos(x);
569 Float_t thetaP = (TMath::Pi()-theta)*krad2deg;
575 ptrap[4] = dwl/cos(theta);
582 gMC->Gsvolu("B063", "TRAP", kSteel, ptrap, 11);
583 ptrap[3] = dwh - 0.2;
584 ptrap[4] = (dwl-0.4)/cos(theta);
589 gMC->Gsvolu("B064", "TRAP", kAir, ptrap, 11);
590 gMC->Gspos("B064", 1, "B063", 0.0, -0.2, 0., 0, "ONLY");
595 dz = dymodU[1]-dymodL[1];
598 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
601 theta = krad2deg * TMath::ACos(x);
614 gMC->Gsvolu("B163", "TRAP", kSteel, ptrap, 11);
615 ptrap[3] = dwh - 0.2;
616 ptrap[4] = (dwl-0.4)/x;
621 gMC->Gsvolu("B164", "TRAP", kAir, ptrap, 11);
622 gMC->Gspos("B164", 1, "B163", 0.0, -0.2, 0., 0, "ONLY");
627 pbox[2] = (iFrH-ringH-longH)/2.;
628 gMC->Gsvolu("B263", "BOX ", kSteel, pbox, 3);
632 gMC->Gsvolu("B264", "BOX ", kAir, pbox, 3);
633 gMC->Gspos("B264", 1, "B263", 0.2, 0., 0., 0, "ONLY");
636 AliMatrix(idrotm[2070], 90.0, 0.0, 90.0, 270.0, 0.0, 0.0);
638 AliMatrix(idrotm[2071], 100.0, 0.0, 90.0, 270.0, 10.0, 0.0);
639 AliMatrix(idrotm[2072], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
640 AliMatrix(idrotm[2073], 100.0, 180.0, 90.0, 270.0, 10.0, 180.0);
641 AliMatrix(idrotm[2074], 100.0, 180.0, 90.0, 90.0, 10.0, 180.0);
643 AliMatrix(idrotm[2075], 10.0, 0.0, 80.0, 180.0, 90.0, 90.0);
644 AliMatrix(idrotm[2076], 10.0, 0.0, 80.0, 180.0, 90.0, 270.0);
645 AliMatrix(idrotm[2077], 10.0, 180.0, 80.0, 0.0, 90.0, 90.0);
646 AliMatrix(idrotm[2078], 10.0, 180.0, 80.0, 0.0, 90.0, 270.0);
648 AliMatrix(idrotm[2079], 170.0, 180.0, 80.0, 180.0, 90.0, 90.0);
649 AliMatrix(idrotm[2080], 170.0, 180.0, 80.0, 180.0, 90.0, 270.0);
650 AliMatrix(idrotm[2081], 170.0, 0.0, 80.0, 0.0, 90.0, 90.0);
651 AliMatrix(idrotm[2082], 170.0, 0.0, 80.0, 0.0, 90.0, 270.0);
654 AliMatrix(idrotm[2083], 170.0, 0.0, 90.0, 90.0, 80.0, 0.0);
655 AliMatrix(idrotm[2084], 170.0, 180.0, 90.0, 90.0, 80.0, 180.0);
656 AliMatrix(idrotm[2085], 90.0, 180.0, 90.0, 90.0, 0.0, 0.0);
658 AliMatrix(idrotm[2086], 90.0, 90.0, 100.0, 0., 170.0, 180.0);
659 AliMatrix(idrotm[2087], 90.0, 90.0, 100.0, 0., 10.0, 0.0);
660 AliMatrix(idrotm[2088], 90.0, 90.0, 80.0, 0., 170.0, 0.0);
661 AliMatrix(idrotm[2089], 90.0, 90.0, 80.0, 0., -10.0, 0.0);
664 // web frame diagonal (outer)
668 dz = dymodL[2]-dymodU[1]-dwl;
671 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
674 theta = krad2deg * TMath::ACos(x);
687 gMC->Gsvolu("B065", "TRAP", kSteel, ptrap, 11);
688 ptrap[3] = dwh - 0.2;
689 ptrap[4] = (dwl-0.4)/x;
694 gMC->Gsvolu("B066", "TRAP", kAir, ptrap, 11);
695 gMC->Gspos("B066", 1, "B065", 0.0, -0.2, 0., 0, "ONLY");
698 // web frame diagonal (inner)
700 dz = dymodL[1]-dymodU[0];
702 x = TMath::Sqrt((dz*dz-d*d)/dq + d*d*h*h/dq/dq)+d*h/dq;
705 theta = krad2deg * TMath::ACos(x);
707 ptrap[0] = (dymodL[1]-dymodU[0])/2.;
718 gMC->Gsvolu("B067", "TRAP", kSteel, ptrap, 11);
720 ptrap[4] = (dwl-0.4)/x;
725 gMC->Gsvolu("B068", "TRAP", kAir, ptrap, 11);
726 gMC->Gspos("B068", 1, "B067", 0.0, -0.2, 0., 0, "ONLY");
729 dz = -iFrH/2.+ringH/2.+kEps;
731 for (i = 0; i< 3; i++)
734 for (jmod = 0; jmod<3; jmod++) {
735 gMC->Gspos("B072", 6*i+jmod+1, module[jmod], 0, dymodL[i], dz, 0, "ONLY");
736 gMC->Gspos("B072", 6*i+jmod+4, module[jmod], 0, -dymodL[i], dz, idrotm[2070], "ONLY");
740 gMC->Gspos("B263", 12*i+jmod+1, module[jmod], 60.0732, dymodU[i], 4.6669, idrotm[2072], "ONLY");
741 gMC->Gspos("B263", 12*i+jmod+4, module[jmod], 60.0732, -dymodU[i], 4.6669, idrotm[2071], "ONLY");
742 gMC->Gspos("B263", 12*i+jmod+7, module[jmod], -60.0732, dymodU[i], 4.6669, idrotm[2074], "ONLY");
743 gMC->Gspos("B263", 12*i+jmod+10, module[jmod], -60.0732, -dymodU[i], 4.6669, idrotm[2073], "ONLY");
748 // outer diagonal web
750 dy = (dymodU[0]+dymodL[0])/2.;
751 for (jmod = 0; jmod<3; jmod++) {
752 gMC->Gspos("B063", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2086], "ONLY");
753 gMC->Gspos("B063", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2087], "ONLY");
754 gMC->Gspos("B063", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2088], "ONLY");
755 gMC->Gspos("B063", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2089], "ONLY");
758 dy = (dymodU[1]+dymodL[1])/2.;
759 for (jmod = 0; jmod<3; jmod++) {
760 gMC->Gspos("B163", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2080], "ONLY");
761 gMC->Gspos("B163", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2079], "ONLY");
762 gMC->Gspos("B163", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2082], "ONLY");
763 gMC->Gspos("B163", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2081], "ONLY");
767 dy = (dymodL[2]+dymodU[1])/2.-dwl/2.;
768 for (jmod = 0; jmod<3; jmod++) {
769 gMC->Gspos("B065", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
770 gMC->Gspos("B065", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
771 gMC->Gspos("B065", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
772 gMC->Gspos("B065", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
776 dy = (dymodL[1]+dymodU[0])/2.;
778 for (jmod = 0; jmod<3; jmod++) {
779 gMC->Gspos("B067", 4*jmod+1, module[jmod], 60.0732, dy, 4.6669, idrotm[2076], "ONLY");
780 gMC->Gspos("B067", 4*jmod+2, module[jmod], 60.0732, -dy, 4.6669, idrotm[2075], "ONLY");
781 gMC->Gspos("B067", 4*jmod+3, module[jmod], -60.0732, dy, 4.6669, idrotm[2078], "ONLY");
782 gMC->Gspos("B067", 4*jmod+4, module[jmod], -60.0732, -dy, 4.6669, idrotm[2077], "ONLY");
785 // longitudinal bars (TPC rails attached)
787 // h x w x s = 100 x 75 x 6
789 // Attention: 2 "U" shaped half rods per cell
804 gMC->Gsvolu("B059", "TRAP", kSteel, ptrap, 11);
811 gMC->Gsvolu("B062", "TRAP", kAir, ptrap, 11);
812 gMC->Gspos("B062", 1, "B059", 0.0, -0.3, 0., 0, "ONLY");
814 // longitudinal bars (no TPC rails attached)
815 // new specs: h x w x s = 60 x 60 x 3
816 // (was: 75 x 100 x 5?)
827 gMC->Gsvolu("BA59", "TRAP", kSteel, ptrap, 11);
828 ptrap[0] = longW/4.-0.15;
829 ptrap[4] = longH/2.-0.30;
834 gMC->Gsvolu("BA62", "TRAP", kAir, ptrap, 11);
835 gMC->Gspos("BA62", 1, "BA59", 0.0, 0.0, -0.15, 0, "ONLY");
837 dz = -iFrH/2.+ringH+longH/2.;
839 for (jmod = 0; jmod<3; jmod++) {
840 gMC->Gspos("BA59", 2*jmod+1, module[jmod], 49.6476, 0.0, dz, idrotm[2084], "ONLY");
841 gMC->Gspos("BA59", 2*jmod+2, module[jmod], -49.6476, 0.0, dz, idrotm[2083], "ONLY");
845 // Spacer between TRD and TOF modules
857 gMC->Gsvolu("B056", "TRAP", kSteel, ptrap, 11);
858 for (jmod = 0; jmod<3; jmod++) {
859 gMC->Gspos("B056", 2*jmod+1, module[jmod], 61.9607, 0.0, 27.2, 0 , "ONLY");
860 gMC->Gspos("B056", 2*jmod+2, module[jmod], -61.9607, 0.0, 27.2, idrotm[2085], "ONLY");
863 // Mother volumes for TRD and TOF
866 printf("\n FRAME Version without Holes !");
871 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
872 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
873 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
879 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
880 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
881 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
883 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
884 gMC->Gspos("BTR2", 1, "B074", 0., 0., -10.8, 0, "ONLY");
885 gMC->Gspos("BTR3", 1, "B075", 0., 0., -10.8, 0, "ONLY");
887 gMC->Gspos("BTO1", 1, "B071", 0., 0., 42.69, 0, "ONLY");
888 gMC->Gspos("BTO2", 1, "B074", 0., 0., 42.69, 0, "ONLY");
889 gMC->Gspos("BTO3", 1, "B075", 0., 0., 42.69, 0, "ONLY");
891 printf("\n FRAME Version with Holes !");
897 gMC->Gsvolu("BTR1", "TRD1", kAir, ptrd1, 4);
899 gMC->Gsvolu("BTR2", "TRD1", kAir, ptrd1, 4);
901 gMC->Gsvolu("BTR3", "TRD1", kAir, ptrd1, 4);
907 gMC->Gsvolu("BTO1", "TRD1", kAir, ptrd1, 4);
909 gMC->Gsvolu("BTO2", "TRD1", kAir, ptrd1, 4);
911 gMC->Gsvolu("BTO3", "TRD1", kAir, ptrd1, 4);
913 gMC->Gspos("BTR1", 1, "B071", 0., 0., -10.8, 0, "ONLY");
915 gMC->Gspos("BTR2", 1, "B074", 0., -218.75, -10.8, idrotm[152], "ONLY");
916 gMC->Gspos("BTR2", 2, "B074", 0., 218.75, -10.8, 0, "ONLY");
918 gMC->Gspos("BTR3", 1, "B075", 0., -295.75, -10.8, idrotm[152], "ONLY");
919 gMC->Gspos("BTR3", 2, "B075", 0., 295.75, -10.8, 0, "ONLY");
922 gMC->Gspos("BTO1", 1, "B071", 0., 0., -42.7, 0, "ONLY");
924 gMC->Gspos("BTO2", 1, "B074", 0., -218.75, -42.7, idrotm[152], "ONLY");
925 gMC->Gspos("BTO2", 2, "B074", 0., 218.75, -42.7, 0, "ONLY");
927 gMC->Gspos("BTO3", 1, "B075", 0., -295.75, -42.7, idrotm[152], "ONLY");
928 gMC->Gspos("BTO3", 2, "B075", 0., 295.75, -42.7, 0, "ONLY");
934 //___________________________________________
935 void AliFRAMEv2::CreateMaterials()
938 Float_t epsil, stemax, tmaxfd, deemax, stmin;
940 epsil = 1.e-4; // Tracking precision,
941 stemax = -0.01; // Maximum displacement for multiple scat
942 tmaxfd = -20.; // Maximum angle due to field deflection
943 deemax = -.3; // Maximum fractional energy loss, DLS
945 Int_t isxfld = gAlice->Field()->Integ();
946 Float_t sxmgmx = gAlice->Field()->Max();
948 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
949 Float_t zsteel[4] = { 26.,24.,28.,14. };
950 Float_t wsteel[4] = { .715,.18,.1,.005 };
952 AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
953 AliMaterial(5, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
954 AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
955 AliMedium( 5, "Air ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
958 //_____________________________________________________________________________
959 void AliFRAMEv2::Init()
962 // Initialise the module after the geometry has been defined
965 printf("%s: **************************************"
967 "**************************************\n",ClassName());
968 printf("\n%s: Version 2 of FRAME initialised, symmetric FRAME\n\n",ClassName());
969 printf("%s: **************************************"
971 "**************************************\n",ClassName());
975 Int_t AliFRAMEv2::IsVersion() const
978 if (fHoles == 0) version = 1;