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fe4da5cc | 1 | ///////////////////////////////////////////////////////// |
2 | // Manager and hits classes for set:MUON version 0 // | |
3 | ///////////////////////////////////////////////////////// | |
4 | ||
5 | #include <TTUBE.h> | |
6 | #include <TNode.h> | |
7 | #include <TRandom.h> | |
8 | ||
9 | #include "AliMUONv0.h" | |
10 | #include "AliMUONsegmentv1.h" | |
11 | #include "AliRun.h" | |
12 | #include "AliMC.h" | |
13 | #include "iostream.h" | |
14 | ||
15 | //___________________________________________ | |
16 | ClassImp(AliMUONsegmentationV1) | |
17 | ||
18 | AliMUONsegmentationV1::AliMUONsegmentationV1() | |
19 | // initizalize the class with default settings | |
20 | { | |
21 | fNzone=1; | |
22 | fDAnod=0.0; | |
23 | fDpx=0.0; | |
24 | fDpx=0.0; // forces crash if not initialized by user | |
25 | fNZoneCut[0]=0; | |
26 | fSensOffset=0; | |
27 | } | |
28 | ||
29 | ||
30 | void AliMUONsegmentationV1::Init(AliMUONchamber* Chamber) | |
31 | { | |
32 | // valid only for T5/6 | |
33 | frSensMin2 = (Chamber->frMin + 6.)*(Chamber->frMin + 6.); | |
34 | frSensMax2 = (Chamber->frMax - 6.)*(Chamber->frMax - 6.); | |
35 | fNpx=(Int_t) (Chamber->frMax/fDpx) + 1; | |
36 | fNpy=(Int_t) (Chamber->frMax/fDpy) + 1; | |
37 | // fNwire=3; | |
38 | DefaultCut(); | |
39 | } | |
40 | ||
41 | void AliMUONsegmentationV1::DefaultCut(void) | |
42 | { | |
43 | SetNzone(3); | |
44 | AddCut(0,7*6,18*8); | |
45 | AddCut(0,10*6,15*8); | |
46 | AddCut(0,12*6,12*8); | |
47 | AddCut(0,13*6,9*8); | |
48 | AddCut(0,14*6,6*8); | |
49 | AddCut(1,8*6,21*12); | |
50 | AddCut(1,12*6,18*12); | |
51 | AddCut(1,16*6,15*12); | |
52 | AddCut(1,18*6,12*12); | |
53 | AddCut(1,20*6,9*12); | |
54 | AddCut(1,22*6,6*12); | |
55 | SetSensOffset(3.0); | |
56 | SetDAnod(0.325); | |
57 | } | |
58 | ||
59 | Int_t AliMUONsegmentationV1::GetiAnod(Float_t xhit) | |
60 | { | |
61 | Int_t kwire=Int_t((TMath::Abs(xhit)-fSensOffset)/fDAnod)+1; | |
62 | return (xhit>0) ? kwire : -kwire ; | |
63 | } | |
64 | ||
65 | Float_t AliMUONsegmentationV1::GetAnod(Float_t xhit) | |
66 | { | |
67 | Int_t kwire=Int_t((TMath::Abs(xhit)-fSensOffset)/fDAnod)+1; // to be compatible ... | |
68 | return (xhit>0) ? fDAnod*(kwire-0.5)+fSensOffset : -fDAnod*(kwire-0.5)-fSensOffset ; | |
69 | } | |
70 | ||
71 | // For chamber T5/6 p1 and p2 should be same for each zone | |
72 | void AliMUONsegmentationV1::SetPADSIZ(Float_t p1, Float_t p2) | |
73 | { | |
74 | fDpx=p1; | |
75 | fDpy=p2; | |
76 | } | |
77 | ||
78 | void AliMUONsegmentationV1:: | |
79 | GetPadIxy(Float_t x, Float_t y, Int_t &ix, Int_t &iy) | |
80 | { | |
81 | // returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
82 | // | |
83 | ix = (x>0)? Int_t((x-fSensOffset)/fDpx)+1 : Int_t((x+fSensOffset)/fDpx)-1; | |
84 | iy = (y>0)? Int_t((y-fSensOffset)/fDpy)+1 : Int_t((y+fSensOffset)/fDpy)-1; | |
85 | } | |
86 | ||
87 | void AliMUONsegmentationV1:: | |
88 | GetPadCxy(Int_t ix, Int_t iy, Float_t &x, Float_t &y) | |
89 | { | |
90 | // returns real coordinates (x,y) for given pad coordinates (ix,iy) | |
91 | // | |
92 | x = (ix>0) ? (Float_t(ix)-0.5)*fDpx+fSensOffset : (Float_t(ix)+0.5)*fDpx-fSensOffset; | |
93 | y = (iy>0) ? (Float_t(iy)-0.5)*fDpy+fSensOffset : (Float_t(iy)+0.5)*fDpy-fSensOffset; | |
94 | } | |
95 | ||
96 | void AliMUONsegmentationV1::AddCut(Int_t Zone, Int_t nX, Int_t nY) | |
97 | {// the pad nX,nY is last INSIDE zone Zone | |
98 | if (Zone+1>=fNzone) // no cut for last Zone : it is the natural boundary of the chamber | |
99 | printf("AliMUONsegmentationV1::AddCut ==> Zone %d not allowed !\n",Zone); | |
100 | fZoneX[Zone][fNZoneCut[Zone]] = nX; | |
101 | fZoneY[Zone][fNZoneCut[Zone]] = nY; | |
102 | fNZoneCut[Zone]++; | |
103 | } | |
104 | ||
105 | Int_t AliMUONsegmentationV1::GetZone(Float_t X, Float_t Y) | |
106 | { | |
107 | Int_t iX, iY; | |
108 | GetPadIxy(X,Y,iX,iY); | |
109 | return GetZone( iX , iY ); | |
110 | } | |
111 | ||
112 | Int_t AliMUONsegmentationV1::GetZone(Int_t nX, Int_t nY) | |
113 | {// Beware : first pad begins at 1 !! | |
114 | Int_t aX = TMath::Abs(nX); | |
115 | Int_t aY = TMath::Abs(nY); | |
116 | Int_t zone=fNzone-1; | |
117 | for (Int_t iZone=fNzone-2;iZone>=0;iZone--) | |
118 | { | |
119 | for (Int_t iCut=0;iCut<fNZoneCut[iZone];iCut++) | |
120 | if ( aY<=fZoneY[iZone][iCut] && aX<=fZoneX[iZone][iCut] ) | |
121 | { | |
122 | zone=iZone; | |
123 | break; | |
124 | } | |
125 | } | |
126 | return zone; | |
127 | } | |
128 | ||
129 | ||
130 | void AliMUONsegmentationV1::SetPadCoord(Int_t iX, Int_t iY) | |
131 | { | |
132 | GetPadCxy(iX,iY,fx,fy); | |
133 | Float_t radius2; | |
134 | if ( ( (radius2=fx*fx+fy*fy) > frSensMax2 || radius2 < frSensMin2 ) | |
135 | && MorePads() ) | |
136 | NextPad(); | |
137 | ||
138 | } | |
139 | ||
140 | void AliMUONsegmentationV1::FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy) | |
141 | { | |
142 | // | |
143 | // Find the wire position (center of charge distribution) | |
144 | Float_t x0a=GetAnod(xhit); | |
145 | // | |
146 | // and take fNsigma*sigma around this center | |
147 | Float_t x01=x0a - dx; | |
148 | Float_t x02=x0a + dx; | |
149 | Float_t y01=yhit - dy; | |
150 | Float_t y02=yhit + dy; | |
151 | ||
152 | // Do not cross over frames... | |
153 | if (x01 * x0a < 0) | |
154 | x01 = TMath::Sign(fSensOffset, x0a); | |
155 | if (x02 * x0a < 0) | |
156 | x02 = TMath::Sign(fSensOffset, x0a); | |
157 | if (y01 * yhit < 0) | |
158 | y01 = TMath::Sign(fSensOffset, yhit); | |
159 | if (y02 * yhit < 0) | |
160 | y02 = TMath::Sign(fSensOffset, yhit); | |
161 | // | |
162 | // find the pads over which the charge distributes | |
163 | GetPadIxy(x01,y01,fixmin,fiymin); | |
164 | GetPadIxy(x02,y02,fixmax,fiymax); | |
165 | ||
166 | // printf("\n FirstPad called"); | |
167 | // printf("\n Hit Position %f %f",xhit,yhit); | |
168 | // printf("\n Integration limits: %i %i %i %i",fixmin,fixmax,fiymin,fiymax); | |
169 | // printf("\n Integration limits: %f %f %f %f \n",x01,x02,y01,y02); | |
170 | // | |
171 | // Set current pad to lower left corner | |
172 | fix=fixmin; | |
173 | fiy=fiymin; | |
174 | SetPadCoord(fix,fiy); | |
175 | } | |
176 | ||
177 | void AliMUONsegmentationV1::NextPad() | |
178 | { | |
179 | // | |
180 | // Step to next pad in integration region | |
181 | if (fix != fixmax) { | |
182 | fix++; | |
183 | } else if (fiy != fiymax) { | |
184 | fix=fixmin; | |
185 | fiy++; | |
186 | } else | |
187 | printf("\n Error: Stepping outside integration region\n "); | |
188 | SetPadCoord(fix,fiy); | |
189 | } | |
190 | ||
191 | Int_t AliMUONsegmentationV1::MorePads() | |
192 | // | |
193 | // Are there more pads in the integration region | |
194 | { | |
195 | if (fix == fixmax && fiy == fiymax) { | |
196 | return 0; | |
197 | } else { | |
198 | return 1; | |
199 | } | |
200 | } | |
201 | ||
202 | Int_t AliMUONsegmentationV1::Ix() | |
203 | // returns the X number of pad which has to increment charge | |
204 | // due to parallel read-out | |
205 | { | |
206 | Int_t wix = TMath::Abs(fix)-1; | |
207 | Int_t wiy = TMath::Abs(fiy)-1; | |
208 | Int_t zone = GetZone(fix,fiy); | |
209 | switch (zone) { | |
210 | case 0: return fix; | |
211 | case 1: | |
212 | if ( wiy%3 !=1 && wix%6>2) | |
213 | return (fix>0)? fix-3 : fix+3 ; | |
214 | return fix; | |
215 | case 2: | |
216 | if ( (wiy%6 == 1 && wix%2 ==0) || (wiy%6 == 4 && wix%2 ==1)) | |
217 | return fix; | |
218 | return fix>0? fix - ((wix%12)/4)*4 : fix + ((wix%12)/4)*4; | |
219 | default : | |
220 | printf("Couille dans AliMUONsegmentationV1::ix\n"); | |
221 | } | |
222 | return -1; | |
223 | } | |
224 | ||
225 | Int_t AliMUONsegmentationV1::ISector() | |
226 | { | |
227 | Int_t wix = TMath::Abs(fix)-1; | |
228 | Int_t wiy = TMath::Abs(fiy)-1; | |
229 | Int_t zone = GetZone(fix,fiy); | |
230 | switch (zone) { | |
231 | case 0: return 0; | |
232 | case 1: | |
233 | if ( wiy%3 !=1 && wix%6>2) | |
234 | return 1 ; | |
235 | return 0; | |
236 | case 2: | |
237 | if ((wiy%6 == 1 && wix%2 ==0) || (wiy%6 == 4 && wix%2 ==1)) | |
238 | return 0; | |
239 | return (wix%12)/4; | |
240 | default : | |
241 | printf("Couille dans AliMUONsegmentationV1::ISector\n"); | |
242 | } | |
243 | return -1; | |
244 | } | |
245 | ||
246 | void AliMUONsegmentationV1::SigGenInit(Float_t x,Float_t y,Float_t) | |
247 | { | |
248 | // | |
249 | // Initialises pad and wire position during stepping | |
250 | fxt =x; | |
251 | fyt =y; | |
252 | GetPadIxy(x,y,fixt,fiyt); | |
253 | fiwt= GetiAnod(x); | |
254 | ||
255 | } | |
256 | ||
257 | Int_t AliMUONsegmentationV1::SigGenCond(Float_t x,Float_t y,Float_t) | |
258 | { | |
259 | // | |
260 | // Signal will be generated if particle crosses pad boundary or | |
261 | // boundary between two wires. | |
262 | Int_t ixt; | |
263 | Int_t iyt; | |
264 | GetPadIxy(x,y,ixt,iyt); | |
265 | Int_t iwt= GetiAnod(x); | |
266 | ||
267 | if ((ixt != fixt) || (iyt !=fiyt) || (iwt != fiwt)) { | |
268 | return 1; | |
269 | } else { | |
270 | return 0; | |
271 | } | |
272 | } | |
273 | ||
274 | void AliMUONsegmentationV1:: | |
275 | IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2) | |
276 | { | |
277 | x1=fxt-fx-fDpx/2.; | |
278 | x2=x1+fDpx; | |
279 | y1=fyt-fy-fDpy/2.; | |
280 | y2=y1+fDpy; | |
281 | } | |
282 | ||
283 | void AliMUONsegmentationV1:: | |
284 | Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[7], Int_t Ylist[7]) | |
285 | { | |
286 | *Nlist=4;Xlist[0]=Xlist[1]=iX;Xlist[2]=iX-1;Xlist[3]=iX+1; | |
287 | Ylist[0]=iY-1;Ylist[1]=iY+1;Ylist[2]=Ylist[3]=iY; | |
288 | } | |
289 | ||
290 | void AliMUONsegmentationV1:: | |
291 | FitXY(AliMUONRecCluster* ,TClonesArray* ) | |
292 | // Default : Centre of gravity method | |
293 | { | |
294 | ; | |
295 | } |