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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 | |
5d8718b8 | 18 | //---------------------------------------------------------------------- |
116cbefd | 19 | // Basic magnetic field class |
5d8718b8 | 20 | // Used in all the detectors, and also in the traking classes |
21 | // Author: | |
22 | //---------------------------------------------------------------------- | |
fe4da5cc | 23 | |
24 | #include "AliMagF.h" | |
7a15f6b8 | 25 | |
fe4da5cc | 26 | ClassImp(AliMagF) |
27 | ||
e2afb3b6 | 28 | //_______________________________________________________________________ |
29 | AliMagF::AliMagF(): | |
30 | fMap(0), | |
31 | fType(0), | |
32 | fInteg(0), | |
33 | fFactor(0), | |
34 | fMax(0), | |
35 | fDebug(0) | |
36 | { | |
37 | // | |
38 | // Default constructor | |
39 | // | |
40 | } | |
41 | ||
42 | //_______________________________________________________________________ | |
aee8290b | 43 | AliMagF::AliMagF(const char *name, const char *title, const Int_t integ, |
e2afb3b6 | 44 | const Float_t factor, const Float_t fmax): |
45 | TNamed(name,title), | |
46 | fMap(0), | |
47 | fType(0), | |
48 | fInteg(0), | |
49 | fFactor(factor), | |
50 | fMax(fmax), | |
51 | fDebug(0) | |
fe4da5cc | 52 | { |
aee8290b | 53 | // |
54 | // Standard constructor | |
55 | // | |
d8408e76 | 56 | if(integ<0 || integ > 2) { |
e2afb3b6 | 57 | Warning("SetField", |
58 | "Invalid magnetic field flag: %5d; Helix tracking chosen instead\n" | |
59 | ,integ); | |
60 | fInteg = 2; | |
d8408e76 | 61 | } else { |
e2afb3b6 | 62 | fInteg = integ; |
d8408e76 | 63 | } |
64 | fType = kUndef; | |
9e1a0ddb | 65 | // |
66 | fDebug = 0; | |
fe4da5cc | 67 | } |
68 | ||
e2afb3b6 | 69 | //_______________________________________________________________________ |
fe4da5cc | 70 | void AliMagF::Field(Float_t*, Float_t *b) |
71 | { | |
aee8290b | 72 | // |
73 | // Method to return the field in one point -- dummy in this case | |
74 | // | |
e2afb3b6 | 75 | Warning("Field","Undefined MagF Field called, returning 0\n"); |
fe4da5cc | 76 | b[0]=b[1]=b[2]=0; |
77 | } |