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4c039060 | 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 | ||
acd84897 | 16 | /* $Id$ */ |
4c039060 | 17 | |
116cbefd | 18 | // |
19 | // Basic magnetic field class | |
20 | // | |
fe4da5cc | 21 | |
22 | #include "AliMagF.h" | |
7a15f6b8 | 23 | |
fe4da5cc | 24 | ClassImp(AliMagF) |
25 | ||
e2afb3b6 | 26 | //_______________________________________________________________________ |
27 | AliMagF::AliMagF(): | |
28 | fMap(0), | |
29 | fType(0), | |
30 | fInteg(0), | |
31 | fFactor(0), | |
32 | fMax(0), | |
33 | fDebug(0) | |
34 | { | |
35 | // | |
36 | // Default constructor | |
37 | // | |
38 | } | |
39 | ||
40 | //_______________________________________________________________________ | |
aee8290b | 41 | AliMagF::AliMagF(const char *name, const char *title, const Int_t integ, |
e2afb3b6 | 42 | const Float_t factor, const Float_t fmax): |
43 | TNamed(name,title), | |
44 | fMap(0), | |
45 | fType(0), | |
46 | fInteg(0), | |
47 | fFactor(factor), | |
48 | fMax(fmax), | |
49 | fDebug(0) | |
fe4da5cc | 50 | { |
aee8290b | 51 | // |
52 | // Standard constructor | |
53 | // | |
d8408e76 | 54 | if(integ<0 || integ > 2) { |
e2afb3b6 | 55 | Warning("SetField", |
56 | "Invalid magnetic field flag: %5d; Helix tracking chosen instead\n" | |
57 | ,integ); | |
58 | fInteg = 2; | |
d8408e76 | 59 | } else { |
e2afb3b6 | 60 | fInteg = integ; |
d8408e76 | 61 | } |
62 | fType = kUndef; | |
9e1a0ddb | 63 | // |
64 | fDebug = 0; | |
fe4da5cc | 65 | } |
66 | ||
e2afb3b6 | 67 | //_______________________________________________________________________ |
fe4da5cc | 68 | void AliMagF::Field(Float_t*, Float_t *b) |
69 | { | |
aee8290b | 70 | // |
71 | // Method to return the field in one point -- dummy in this case | |
72 | // | |
e2afb3b6 | 73 | Warning("Field","Undefined MagF Field called, returning 0\n"); |
fe4da5cc | 74 | b[0]=b[1]=b[2]=0; |
75 | } |