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 *
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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 //_________________________________________________________________________
19 // Geometry class for PHOS : Support which holds all PHOS modules.
20 // Its data members provide geometry parametrization of
21 // the PHOS support which can be changed in the constructor only.
22 // Author: Yuri Kharlov (IHEP, Protvino)
25 // --- AliRoot header files ---
27 #include "AliPHOSSupportGeometry.h"
29 ClassImp(AliPHOSSupportGeometry)
31 //____________________________________________________________________________
32 AliPHOSSupportGeometry::AliPHOSSupportGeometry() :
34 fDistanceBetwRails(420.0),
35 fRailsDistanceFromIP(590.),
36 fCradleWallThickness(2.0)
39 // Initializes the PHOS support parameters
44 fRailPart1[2] = fRailLength;
48 fRailPart2[2] = fRailLength;
52 fRailPart3[2] = fRailLength;
54 fRailOuterSize[0] = fRailPart1[0];
55 fRailOuterSize[1] = fRailPart1[1]*2 + fRailPart2[1] + fRailPart3[1];
56 fRailOuterSize[2] = fRailLength;
58 fRailRoadSize[0] = fDistanceBetwRails + fRailOuterSize[0];
59 fRailRoadSize[1] = fRailOuterSize[1];
60 fRailRoadSize[2] = fRailOuterSize[2];
62 fCradleWall[0] = 0.; // Inner radius, to be defined from PHOS parameters
63 fCradleWall[1] = 65.; // Diff. between outer and inner radii
65 fCradleWall[3] = 270. - 50.;
66 fCradleWall[4] = 270. + 50.;
68 fCradleWheel[0] = 30.0;
69 fCradleWheel[1] = 80.0;
70 fCradleWheel[2] = 30.0;