PHOS/AliPHOSSupportGeometry.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   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  **************************************************************************/
  15
  16 /* $Id$ */
  17
  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)
  23 // 13 November 2000
  24
  25 // --- AliRoot header files ---
  26
  27 #include "AliPHOSSupportGeometry.h"
  28
  29 ClassImp(AliPHOSSupportGeometry) ;
  30
  31 //____________________________________________________________________________
  32 AliPHOSSupportGeometry::AliPHOSSupportGeometry()
  33 {
  34
  35   // Initializes the PHOS support parameters
  36
  37   fRailLength   = 1200.0;
  38
  39   fRailPart1[0] =   28.0;
  40   fRailPart1[1] =    3.0;
  41   fRailPart1[2] = fRailLength;
  42
  43   fRailPart2[0] =    1.5;
  44   fRailPart2[1] =   54.0;
  45   fRailPart2[2] = fRailLength;
  46
  47   fRailPart3[0] =    6.0;
  48   fRailPart3[1] =    5.0;
  49   fRailPart3[2] = fRailLength;
  50
  51   fRailOuterSize[0] = fRailPart1[0];
  52   fRailOuterSize[1] = fRailPart1[1]*2 + fRailPart2[1] + fRailPart3[1];
  53   fRailOuterSize[2] = fRailLength;
  54
  55   fDistanceBetwRails = 420.0;
  56   fRailsDistanceFromIP = 610.;
  57
  58   fRailRoadSize[0] = fDistanceBetwRails + fRailOuterSize[0];
  59   fRailRoadSize[1] = fRailOuterSize[1];
  60   fRailRoadSize[2] = fRailOuterSize[2];
  61
  62   fCradleWallThickness = 2.0;
  63
  64   fCradleWall[0] =   0.;  // Inner radius, to be defined from PHOS parameters
  65   fCradleWall[1] =  65.;  // Diff. between outer and inner radii
  66   fCradleWall[2] =  18.;
  67   fCradleWall[3] = 270. - 50.;
  68   fCradleWall[4] = 270. + 50.;
  69
  70   fCradleWheel[0] = 30.0;
  71   fCradleWheel[1] = 80.0;
  72   fCradleWheel[2] = 30.0;
  73
  74 }
  75 //____________________________________________________________________________