Line data    Source code

       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             : // $MpId: AliMpConstants.cxx,v 1.11 2006/05/24 13:58:29 ivana Exp $
      18             : // Category: basic
      19             : 
      20             : //-----------------------------------------------------------------------------
      21             : // Class AliMpConstants
      22             : // --------------------
      23             : // Class for globally used constants definition.
      24             : // Included in AliRoot: 2003/05/02
      25             : // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
      26             : //-----------------------------------------------------------------------------
      27             : 
      28             : #include "AliMpConstants.h"
      29             : 
      30             : #include <TMath.h>
      31             : 
      32             : /// \cond CLASSIMP
      33          18 : ClassImp(AliMpConstants)
      34             : /// \endcond
      35             : 
      36             : // static data
      37             : const Double_t AliMpConstants::fgkLengthTolerance = 1e-05; // 0.1 mum
      38             : const Double_t AliMpConstants::fgkLengthStep = 0.1; // 1 mm
      39             : const Int_t    AliMpConstants::fgkStartPadIndex = 1;
      40             : const Int_t    AliMpConstants::fgkNofCathodes = 2;
      41             : const Int_t    AliMpConstants::fgkNofChambers = 14;
      42             : const Int_t    AliMpConstants::fgkNofTrackingChambers = 10;
      43             : const Int_t    AliMpConstants::fgkNofGeomModules = 20;
      44             : const Int_t    AliMpConstants::fgkNofLocalBoards = 234;
      45             : const Int_t    AliMpConstants::fgkTotalNofLocalBoards = 242;
      46             : const Int_t    AliMpConstants::fgkNonBendingManuMask(1<<10);
      47             : const Int_t    AliMpConstants::fgkManuNofChannels(64);
      48             : const Int_t    AliMpConstants::fgkLocalBoardNofChannels(16);
      49             : 
      50             : //_____________________________________________________________________________
      51             : AliMpConstants::AliMpConstants()
      52           0 :   : TObject() 
      53           0 : {
      54             : /// Default constructor  
      55           0 : }
      56             : 
      57             : //_____________________________________________________________________________
      58             : AliMpConstants::~AliMpConstants() 
      59           0 : {
      60             : ///Destructor
      61           0 : }
      62             : 
      63             : //_____________________________________________________________________________
      64             : Bool_t  AliMpConstants::IsEqual(Double_t length1, Double_t length2)
      65             : {
      66             : /// Compare lengths within the length tolerance.
      67             : 
      68           0 :   return TMath::Abs(length1 - length2) < fgkLengthTolerance;
      69             : }  
      70             : 
      71             : //_____________________________________________________________________________
      72             : Bool_t  AliMpConstants::IsEqual(Double_t v1x, Double_t v1y, 
      73             :                                 Double_t v2x, Double_t v2y)
      74             : {
      75             : /// Compare x, y vector coordinates within the length tolerance.
      76             : 
      77        5337 :   return (  TMath::Abs(v1x - v2x) 
      78        1779 :           + TMath::Abs(v1y - v2y)) < 2.*fgkLengthTolerance;
      79             : }
      80             : 
      81             : //_____________________________________________________________________________
      82             : Int_t AliMpConstants::ManuMask(AliMp::PlaneType planeType)
      83             : {
      84             : /// The manuIDs get an offset if they are in the non-bending plane
      85             : 
      86       11060 :   return ( planeType == AliMp::kNonBendingPlane ) ? fgkNonBendingManuMask : 0;
      87             : }
      88             : 
      89             : //_____________________________________________________________________________
      90             : Int_t AliMpConstants::NofTriggerChambers() 
      91             : { 
      92             : /// Return number of trigger chambers
      93             : 
      94       39098 :   return fgkNofChambers - fgkNofTrackingChambers;
      95             : }