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c5ca52b2 | 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 | /* | |
17 | $Log$ | |
9e1a0ddb | 18 | Revision 1.2 2000/11/30 07:12:49 alibrary |
19 | Introducing new Rndm and QA classes | |
20 | ||
65fb704d | 21 | Revision 1.1 2000/10/26 14:18:05 morsch |
22 | Add new AliLegoGenerator classes: | |
23 | AliLegoGeneratorXYZ: carthesian binning | |
24 | AliLegoGeneratorEta: eta-phi binning | |
25 | ||
c5ca52b2 | 26 | */ |
27 | ||
28 | #include "AliLegoGeneratorXYZ.h" | |
29 | #include "AliRun.h" | |
30 | ||
31 | ClassImp(AliLegoGeneratorXYZ) | |
32 | ||
33 | ||
34 | //___________________________________________ | |
35 | ||
36 | ||
37 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ() | |
38 | { | |
39 | // Default Constructor | |
40 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
41 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
42 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
43 | } | |
44 | ||
45 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(char* axis) | |
46 | { | |
47 | // Constructor | |
48 | if (!strcmp(axis,"x") || !strcmp(axis,"X")) | |
49 | { | |
50 | fDir1[0]=0.; fDir1[1]=1.; fDir1[2]=0.; | |
51 | fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1.; | |
52 | fDir3[0]=1.; fDir3[1]=0.; fDir3[2]=0.; | |
53 | } | |
54 | else if (!strcmp(axis,"y") || !strcmp(axis,"Y")) | |
55 | { | |
56 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
57 | fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1; | |
58 | fDir3[0]=0.; fDir3[1]=1.; fDir3[2]=0.; | |
59 | } | |
60 | else if (!strcmp(axis,"z") || !strcmp(axis,"Z")) | |
61 | { | |
62 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
63 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
64 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
65 | } | |
66 | else | |
67 | { | |
68 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
69 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
70 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
71 | } | |
72 | } | |
73 | ||
74 | ||
75 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(Int_t nc1, Float_t c1min, | |
76 | Float_t c1max, Int_t nc2, | |
77 | Float_t c2min, Float_t c2max, | |
78 | Float_t rmin, Float_t rmax, Float_t zmax) : | |
79 | AliLegoGenerator(nc1, c1min, c1max, nc2, c2min, c2max, | |
80 | rmin, rmax, zmax) | |
81 | { | |
82 | // Constructor | |
83 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
84 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
85 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
86 | } | |
87 | ||
88 | ||
89 | //___________________________________________ | |
90 | void AliLegoGeneratorXYZ::Generate() | |
91 | { | |
92 | // Create a geantino with kinematics corresponding to the current bins | |
93 | // Here: Coor1 = x | |
94 | // Coor2 = z | |
95 | ||
96 | // | |
97 | // Rootinos are 0 | |
98 | const Int_t kMpart = 0; | |
99 | Float_t orig[3], pmom[3]; | |
100 | ||
101 | // Prepare for next step | |
102 | if(fCoor1Bin>=fNCoor1-1) | |
103 | if(fCoor2Bin>=fNCoor2-1) { | |
104 | Warning("Generate","End of Lego Generation"); | |
105 | return; | |
106 | } else { | |
107 | fCoor2Bin++; | |
108 | printf("Generating rays in Coordinate 2 bin:%d\n",fCoor2Bin); | |
109 | fCoor1Bin=0; | |
110 | } else fCoor1Bin++; | |
111 | ||
112 | ||
113 | fCurCoor1 = (fCoor1Min+(fCoor1Bin+0.5)*(fCoor1Max-fCoor1Min)/fNCoor1); | |
114 | fCurCoor2 = (fCoor2Min+(fCoor2Bin+0.5)*(fCoor2Max-fCoor2Min)/fNCoor2); | |
115 | ||
116 | // Origin and direction | |
117 | Int_t i; | |
118 | for (i=0; i<3; i++) { | |
119 | pmom[i]=fDir3[i]; | |
120 | orig[i]=fCurCoor1*fDir1[i]+fCurCoor2*fDir2[i]; | |
121 | } | |
122 | ||
123 | Float_t dalicz = 3000; | |
124 | if (fRadMin > 0) { | |
125 | Float_t t = PropagateCylinder(orig,pmom,fRadMin,dalicz); | |
126 | orig[0] = pmom[0]*t; | |
127 | orig[1] = pmom[1]*t; | |
128 | orig[2] = pmom[2]*t; | |
129 | if (TMath::Abs(orig[2]) > fZMax) return; | |
130 | } | |
131 | ||
132 | Float_t polar[3]={0.,0.,0.}; | |
133 | Int_t ntr; | |
9e1a0ddb | 134 | gAlice->SetTrack(1, -1, kMpart, pmom, orig, polar, 0, kPPrimary, ntr); |
c5ca52b2 | 135 | |
136 | } | |
137 | ||
138 | ||
139 | ||
140 |