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d04637f0 | 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 | $Log$ | |
18 | */ | |
19 | ||
20 | ||
21 | #include "AliRICHSegRes.h" | |
22 | #include "AliRICHSegResV1.h" | |
23 | ||
24 | ||
25 | //-------------------------------------------------------- | |
26 | ClassImp(AliRICHSegmentationV1) | |
27 | ||
28 | //________________________________________________________________________________ | |
29 | AliRICHSegmentationV1::AliRICHSegmentationV1() | |
30 | { | |
31 | fNpx=160; | |
32 | fNpy=144; | |
33 | //fNpx=80; | |
34 | //fNpy=48; | |
35 | fSector=-1; | |
36 | } | |
37 | ||
38 | //________________________________________________________________________________ | |
39 | AliRICHSegmentationV1::~AliRICHSegmentationV1() | |
40 | { | |
41 | } | |
42 | ||
43 | ||
44 | // calculate sector from x-y coordinates | |
45 | ||
46 | Int_t AliRICHSegmentationV1::Sector(Float_t x, Float_t y) | |
47 | { | |
48 | ||
49 | fSector=-1; | |
50 | ||
51 | if (x<-1.3) | |
52 | { | |
53 | if (y>22.75) | |
54 | { | |
55 | if (y<63.1) | |
56 | fSector=0; | |
57 | } | |
58 | if (y<20.15) | |
59 | { | |
60 | if (y>(-20.15)) | |
61 | fSector=2; | |
62 | } | |
63 | if (y<(-22.75)) | |
64 | { | |
65 | if (y>(-63.1)) | |
66 | fSector=4; | |
67 | } | |
68 | } | |
69 | else if (x>1.3) | |
70 | { | |
71 | if (y>22.75) | |
72 | { | |
73 | if (y<63.1) | |
74 | fSector=1; | |
75 | } | |
76 | if (y<20.15) | |
77 | { | |
78 | if (y>(-20.15)) | |
79 | fSector=3; | |
80 | } | |
81 | if (y<(-22.75)) | |
82 | { | |
83 | if (y>(-63.1)) | |
84 | fSector=5; | |
85 | } | |
86 | } | |
87 | ||
88 | //if (fSector==2) | |
89 | //printf("x:%f, y:%f, sector:%d\n",x,y,fSector); | |
90 | ||
91 | return fSector; | |
92 | } | |
93 | ||
94 | ||
95 | void AliRICHSegmentationV1::GetPadIxy(Float_t x, Float_t y, Int_t &ix, Int_t &iy) | |
96 | { | |
97 | // returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
98 | // | |
99 | // Please check origin of pad numbering !!! | |
100 | ||
101 | Int_t sector=Sector(x,y); | |
102 | ||
103 | //printf("Sector: %d\n",sector); | |
104 | ||
105 | ||
106 | if (sector==0) | |
107 | { | |
108 | //ix = (x>0)? Int_t(x/fDpx)+1 : Int_t(x/fDpx); | |
109 | //iy = (y>0)? Int_t(y/fDpy)+1 : Int_t(y/fDpy); | |
110 | ix = Int_t (x/fDpx+1.3); | |
111 | iy = Int_t (y/fDpy-2.6); | |
112 | } | |
113 | if (sector==1) | |
114 | { | |
115 | ix = Int_t (x/fDpx-1.3); | |
116 | iy = Int_t (y/fDpy-2.6); | |
117 | } | |
118 | if (sector==2) | |
119 | { | |
120 | ix = Int_t (x/fDpx+1.3); | |
121 | iy = Int_t (y/fDpy); | |
122 | } | |
123 | if (sector==3) | |
124 | { | |
125 | ix = Int_t (x/fDpx-1.3); | |
126 | iy = Int_t (y/fDpy); | |
127 | } | |
128 | if (sector==4) | |
129 | { | |
130 | ix = Int_t (x/fDpx+1.3); | |
131 | iy = Int_t (y/fDpy+2.6); | |
132 | } | |
133 | if (sector==5) | |
134 | { | |
135 | ix = Int_t (x/fDpx-1.3); | |
136 | iy = Int_t (y/fDpy+2.6); | |
137 | } | |
138 | ||
139 | //ix = Int_t (x/fDpx); | |
140 | //iy = Int_t (y/fDpy); | |
141 | ||
142 | //ix = (x>0)? Int_t(x/fDpx)+1 : Int_t(x/fDpx); | |
143 | //iy = (y>0)? Int_t(y/fDpy)+1 : Int_t(y/fDpy); | |
144 | ||
145 | if (sector==-1) | |
146 | { | |
147 | ix = fixmax; | |
148 | iy = fiymax; | |
149 | } | |
150 | ||
151 | if (iy > fNpy) iy= fNpy; | |
152 | if (iy < -fNpy) iy=-fNpy; | |
153 | if (ix > fNpx) ix= fNpx; | |
154 | if (ix < -fNpx) ix=-fNpx; | |
155 | } | |
156 | ||
157 | void AliRICHSegmentationV1:: | |
158 | GetPadCxy(Int_t ix, Int_t iy, Float_t &x, Float_t &y) | |
159 | { | |
160 | // returns real coordinates (x,y) for given pad coordinates (ix,iy) | |
161 | // | |
162 | ||
163 | //Int_t sector=Sector(ix*.8,iy*.84); | |
164 | ||
165 | Int_t sector=-1; | |
166 | ||
167 | if (ix<=0) | |
168 | { | |
169 | if (iy<=72) | |
170 | { | |
171 | if (iy>24) | |
172 | sector=0; | |
173 | } | |
174 | if (iy<=24) | |
175 | { | |
176 | if (iy>-24) | |
177 | sector=2; | |
178 | } | |
179 | if (iy<=-24) | |
180 | { | |
181 | if (iy>-72) | |
182 | sector=4; | |
183 | } | |
184 | } | |
185 | if (ix>0) | |
186 | { | |
187 | if (iy<=72) | |
188 | { | |
189 | if (iy>24) | |
190 | sector=1; | |
191 | } | |
192 | if (iy<=24) | |
193 | { | |
194 | if (iy>-24) | |
195 | sector=3; | |
196 | } | |
197 | if (iy<=-24) | |
198 | { | |
199 | if (iy>-72) | |
200 | sector=5; | |
201 | } | |
202 | } | |
203 | ||
204 | ||
205 | if (sector==0) | |
206 | { | |
207 | //x = (ix>0) ? Float_t(ix*fDpx)-fDpx/2. : Float_t(ix*fDpx)-fDpx/2.; | |
208 | //y = (iy>0) ? Float_t(iy*fDpy)-fDpy/2. : Float_t(iy*fDpy)-fDpy/2.; | |
209 | x = Float_t(ix*fDpx)-fDpx/2.-1.3; | |
210 | y = Float_t(iy*fDpy)-fDpy/2.+2.6; | |
211 | } | |
212 | if (sector==1) | |
213 | { | |
214 | x = Float_t(ix*fDpx)-fDpx/2.+1.3; | |
215 | y = Float_t(iy*fDpy)-fDpy/2.+2.6; | |
216 | } | |
217 | if (sector==2) | |
218 | { | |
219 | x = Float_t(ix*fDpx)-fDpx/2.-1.3; | |
220 | y = Float_t(iy*fDpy)-fDpy/2.; | |
221 | } | |
222 | if (sector==3) | |
223 | { | |
224 | x = Float_t(ix*fDpx)-fDpx/2.+1.3; | |
225 | y = Float_t(iy*fDpy)-fDpy/2.; | |
226 | } | |
227 | if (sector==4) | |
228 | { | |
229 | x = Float_t(ix*fDpx)-fDpx/2.-1.3; | |
230 | y = Float_t(iy*fDpy)-fDpy/2.-2.6; | |
231 | } | |
232 | if (sector==5) | |
233 | { | |
234 | x = Float_t(ix*fDpx)-fDpx/2.+1.3; | |
235 | y = Float_t(iy*fDpy)-fDpy/2.-2.6; | |
236 | } | |
237 | ||
238 | //if (sector==2) | |
239 | //printf("fSector:%d x:%f y:%f\n",fSector,x,y); | |
240 | ||
241 | } | |
242 | ||
243 | void AliRICHSegmentationV1:: | |
244 | IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2) | |
245 | { | |
246 | /* | |
247 | x1=fxt-fx-fDpx/2.; | |
248 | x2=x1+fDpx; | |
249 | y1=fyt-fy-fDpy/2.; | |
250 | y2=y1+fDpy; | |
251 | */ | |
252 | //Int_t sector=Sector(fx,fy); | |
253 | ||
254 | //printf("Sector:%d\n",sector); | |
255 | ||
256 | x1=fxhit-fx-fDpx/2.; | |
257 | x2=x1+fDpx; | |
258 | y1=fyhit-fy-fDpy/2.; | |
259 | y2=y1+fDpy; | |
260 | } |