| | 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 | // Basic magnetic field class |
| | 20 | // Used in all the detectors, and also in the traking classes |
| | 21 | // Author: |
| | 22 | //---------------------------------------------------------------------- |
| | 23 | |
| | 24 | #include "AliLog.h" |
| | 25 | #include "AliMagF.h" |
| | 26 | Bool_t AliMagF::fgReadField = kTRUE; |
| | 27 | ClassImp(AliMagF) |
| | 28 | |
| | 29 | //_______________________________________________________________________ |
| | 30 | AliMagF::AliMagF(): |
| | 31 | fMap(0), |
| | 32 | fType(0), |
| | 33 | fInteg(0), |
| | 34 | fFactor(0), |
| | 35 | fMax(0) |
| | 36 | { |
| | 37 | // |
| | 38 | // Default constructor |
| | 39 | // |
| | 40 | } |
| | 41 | |
| | 42 | //_______________________________________________________________________ |
| | 43 | AliMagF::AliMagF(const char *name, const char *title, Int_t integ, |
| | 44 | Float_t factor, Float_t fmax): |
| | 45 | TNamed(name,title), |
| | 46 | fMap(0), |
| | 47 | fType(0), |
| | 48 | fInteg(0), |
| | 49 | fFactor(factor), |
| | 50 | fMax(fmax) |
| | 51 | { |
| | 52 | // |
| | 53 | // Standard constructor |
| | 54 | // |
| | 55 | if(integ<0 || integ > 2) { |
| | 56 | AliWarning(Form( |
| | 57 | "Invalid magnetic field flag: %5d; Helix tracking chosen instead" |
| | 58 | ,integ)); |
| | 59 | fInteg = 2; |
| | 60 | } else { |
| | 61 | fInteg = integ; |
| | 62 | } |
| | 63 | fType = kUndef; |
| | 64 | // |
| | 65 | } |
| | 66 | |
| | 67 | //_______________________________________________________________________ |
| | 68 | void AliMagF::Field(Float_t*, Float_t *b) const |
| | 69 | { |
| | 70 | // |
| | 71 | // Method to return the field in one point -- dummy in this case |
| | 72 | // |
| | 73 | AliWarning("Undefined MagF Field called, returning 0"); |
| | 74 | b[0]=b[1]=b[2]=0; |
| | 75 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental