]>
Commit | Line | Data |
---|---|---|
a9e2aefa | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
a9e2aefa | 17 | |
30178c30 | 18 | #include <TMath.h> |
19 | ||
a9e2aefa | 20 | #include "AliMUONSegmentationTriggerY.h" |
3f2cdba8 | 21 | #include "AliMUONTriggerConstants.h" |
9e1a0ddb | 22 | #include "AliMUON.h" |
23 | #include "AliRun.h" | |
8c343c7c | 24 | #include "AliLog.h" |
30178c30 | 25 | |
a9e2aefa | 26 | ClassImp(AliMUONSegmentationTriggerY) |
27 | ||
30178c30 | 28 | //------------------------------------------------------------------ |
29 | AliMUONSegmentationTriggerY::AliMUONSegmentationTriggerY() | |
30 | : AliMUONSegmentationTrigger() | |
31 | { | |
32 | // Constructor | |
33 | } | |
34 | ||
3f2cdba8 | 35 | //------------------------------------------------------------------ |
d81db581 | 36 | void AliMUONSegmentationTriggerY::Init(Int_t chamber) |
a9e2aefa | 37 | { |
3f2cdba8 | 38 | // intialize Y segmentation |
8c343c7c | 39 | AliDebug(2,"Initialize Trigger Chamber Geometry Y"); |
b6a52ffa | 40 | AliMUONSegmentationTrigger::Init(chamber); |
41 | ||
a9e2aefa | 42 | // calculate x & y position of Y strips |
3f2cdba8 | 43 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
b6a52ffa | 44 | for (Int_t imodule=0; imodule<nModule; imodule++) { |
45 | Int_t moduleId=AliMUONTriggerConstants::ModuleId(imodule); | |
46 | Int_t nStrip=AliMUONTriggerConstants::NstripY(imodule); | |
47 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
48 | Float_t width=StripSizeY(moduleId,istrip); | |
49 | ||
50 | if (imodule<63) { | |
51 | if (moduleId-10*Int_t(moduleId/10.)==7&&istrip>7) { | |
52 | fXofysmin[imodule][istrip]= | |
53 | ( AliMUONTriggerConstants::XcMin(imodule)+ | |
54 | (width*2.)*8 + width*(istrip-8) )*fZscale; | |
55 | fXofysmax[imodule][istrip]= | |
56 | ( AliMUONTriggerConstants::XcMin(imodule)+ | |
57 | (width*2.)*8 + width*(istrip-7) )*fZscale; | |
58 | } else { | |
59 | fXofysmin[imodule][istrip]= | |
60 | (AliMUONTriggerConstants::XcMin(imodule) | |
61 | +width*(istrip))*fZscale; | |
62 | fXofysmax[imodule][istrip]= | |
63 | (AliMUONTriggerConstants::XcMin(imodule) | |
64 | +width*(istrip+1))*fZscale; | |
65 | ||
66 | } | |
67 | ||
68 | } else { | |
69 | fXofysmin[imodule][istrip]=-1.*fXofysmax[imodule-63][istrip]; | |
70 | fXofysmax[imodule][istrip]=-1.*fXofysmin[imodule-63][istrip]; | |
71 | } | |
72 | fYofysmin[imodule][istrip] = fYcmin[imodule]*fZscale; | |
73 | fYofysmax[imodule][istrip] = fYcmax[imodule]*fZscale; | |
74 | } | |
75 | } | |
76 | /* | |
77 | if (TMath::Abs(AliMUONTriggerConstants::ModuleId(imodule))==11) { | |
78 | printf("module Id istrip fXofxsmin fXofxsmax fYofxsmin fYofxsmax %d %d %f %f %f %f \n", | |
79 | AliMUONTriggerConstants::ModuleId(imodule), | |
80 | istrip, | |
81 | fXofysmin[imodule][istrip], | |
82 | fXofysmax[imodule][istrip], | |
83 | fYofysmin[imodule][istrip], | |
84 | fYofysmax[imodule][istrip]); | |
85 | } | |
86 | */ | |
a9e2aefa | 87 | |
88 | } | |
89 | ||
b6a52ffa | 90 | |
a9e2aefa | 91 | //------------------------------------------------------------------ |
c3eff6ad | 92 | void AliMUONSegmentationTriggerY::GetPadI(Float_t x,Float_t y,Int_t &ix,Int_t &iy) |
93 | { | |
a9e2aefa | 94 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) |
95 | // x,y = real coordinates; ix = module number , iy = strip number | |
96 | ||
97 | ix = 0; | |
98 | iy = 0; | |
3f2cdba8 | 99 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
100 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
101 | Int_t nStrip=AliMUONTriggerConstants::NstripY(imodule); | |
102 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
a9e2aefa | 103 | if (x>fXofysmin[imodule][istrip]&&x<fXofysmax[imodule][istrip]&& |
104 | y>fYofysmin[imodule][istrip]&&y<fYofysmax[imodule][istrip]){ | |
3f2cdba8 | 105 | ix = AliMUONTriggerConstants::ModuleId(imodule); |
a9e2aefa | 106 | iy = istrip; |
107 | } | |
108 | } | |
109 | } | |
110 | } | |
111 | ||
112 | //------------------------------------------------------------------ | |
c3eff6ad | 113 | void AliMUONSegmentationTriggerY::GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y) |
114 | { | |
a9e2aefa | 115 | // Returns real coordinates (x,y) for given pad coordinates (ix,iy) |
116 | // ix = module number , iy = strip number; x,y = center of strip | |
117 | x = 0.; | |
118 | y = 0.; | |
3f2cdba8 | 119 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
120 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
121 | if (AliMUONTriggerConstants::ModuleId(imodule)==ix){ | |
a9e2aefa | 122 | x=fXofysmin[imodule][iy]+(fXofysmax[imodule][iy]-fXofysmin[imodule][iy])/2.; |
123 | y=fYofysmin[imodule][iy]+(fYofysmax[imodule][iy]-fYofysmin[imodule][iy])/2.; | |
124 | } | |
125 | } | |
126 | } | |
127 | ||
128 | //------------------------------------------------------------------ | |
129 | void AliMUONSegmentationTriggerY::SetPadSize(Float_t p1, Float_t p2) | |
130 | { | |
131 | // Sets the padsize | |
132 | // | |
133 | fDpx=p1; | |
134 | fDpy=p2; | |
135 | } | |
136 | ||
137 | //------------------------------------------------------------------ | |
138 | void AliMUONSegmentationTriggerY:: | |
03f221a7 | 139 | Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]){ |
140 | // Returns list of 10 next neighbours for given Y strip (ix, iy) | |
141 | // neighbour number 9 8 7 6 5 (Y strip (ix, iy)) 0 1 2 3 4 in the list | |
142 | // \_______/ \_______/ | |
143 | // left right | |
144 | // Note : should not be used to return a list of neighbours larger than 16 ! | |
145 | ||
146 | Int_t absiX = TMath::Abs(iX); | |
147 | Int_t numModule = ModuleNumber(absiX); // module number Id. | |
148 | Int_t nStrip = AliMUONTriggerConstants::NstripY(numModule); //numb of strips | |
149 | Int_t iCandidateLeft, iCandidateRight; | |
150 | Int_t iNewCandidateRight=0; | |
151 | Int_t iNewCandidateLeft=0; | |
152 | // first strip number on the right of the left module | |
153 | if ( (absiX-(Int_t(absiX/10))*10)!=1 && absiX!=52 ) | |
154 | iNewCandidateLeft = | |
155 | AliMUONTriggerConstants::NstripY(ModuleNumber(absiX-1))-1; | |
156 | Int_t j; | |
a9e2aefa | 157 | |
03f221a7 | 158 | *Nlist = 10; |
159 | for (Int_t i=0; i<10; i++) Xlist[i]=Ylist[i]=0; | |
160 | ||
161 | if (iY < nStrip) { | |
162 | ||
163 | for (Int_t i=0; i<5; i++) { | |
164 | j = i + 5; | |
165 | iCandidateRight = iY + (i + 1); | |
166 | iCandidateLeft = iY - (i + 1); | |
167 | if (iCandidateRight < nStrip) { // strip in same module | |
168 | Xlist[i] = absiX; | |
169 | Ylist[i] = iCandidateRight; | |
170 | } else if ((absiX+1)%10!=8) { // need to scan the module on the right | |
171 | Xlist[i] = absiX+1; | |
172 | Ylist[i] = iNewCandidateRight; | |
173 | iNewCandidateRight++; | |
174 | } | |
175 | ||
176 | if (iCandidateLeft >=0 ) { // strip in same module | |
177 | Xlist[j] = absiX; | |
178 | Ylist[j] = iCandidateLeft; | |
179 | } else if ( iNewCandidateLeft !=0) { | |
180 | Xlist[j] = absiX-1; | |
181 | Ylist[j] = iNewCandidateLeft; | |
182 | iNewCandidateLeft--; | |
183 | } | |
a9e2aefa | 184 | } |
185 | ||
186 | if (iX<0) { // left side of chamber | |
03f221a7 | 187 | for (Int_t i=0; i<10; i++) { |
188 | if (Xlist[i]!=0) Xlist[i]=-Xlist[i]; | |
189 | } | |
a9e2aefa | 190 | } |
03f221a7 | 191 | |
192 | } // iY < nStrip | |
a9e2aefa | 193 | } |
194 | ||
195 | //------------------------------------------------------------------ | |
196 | void AliMUONSegmentationTriggerY::SetPad(Int_t ix, Int_t iy) | |
197 | { | |
198 | // Sets virtual pad coordinates, needed for evaluating pad response | |
199 | // outside the tracking program | |
ecfa008b | 200 | GetPadC(ix,iy,fX,fY); |
201 | GetPadI(fX,fY,fIx,fIy); | |
a9e2aefa | 202 | fSector=Sector(ix,iy); |
203 | } | |
204 | ||
205 | //------------------------------------------------------------------ | |
c3eff6ad | 206 | Int_t AliMUONSegmentationTriggerY::ISector() |
a9e2aefa | 207 | { return fSector;} |
208 | ||
209 | //------------------------------------------------------------------ | |
c3eff6ad | 210 | |
a9e2aefa | 211 | Int_t AliMUONSegmentationTriggerY::Ix() |
ecfa008b | 212 | { return fIx;} |
a9e2aefa | 213 | |
214 | //------------------------------------------------------------------ | |
c3eff6ad | 215 | |
a9e2aefa | 216 | Int_t AliMUONSegmentationTriggerY::Iy() |
ecfa008b | 217 | { return fIy;} |
a9e2aefa | 218 | |
219 | //------------------------------------------------------------------ | |
c3eff6ad | 220 | Float_t AliMUONSegmentationTriggerY::Dpx(Int_t isec) const |
3f2cdba8 | 221 | { |
222 | // returns x size of y strips for sector isec | |
a9e2aefa | 223 | if (isec==1) { |
3f434b6f | 224 | return AliMUONTriggerConstants::StripWidth(1)*fZscale; |
a9e2aefa | 225 | } else if (isec==2) { |
3f434b6f | 226 | return AliMUONTriggerConstants::StripWidth(1)*fZscale; |
a9e2aefa | 227 | } else if (isec==3) { |
3f434b6f | 228 | return AliMUONTriggerConstants::StripWidth(1)*fZscale; |
a9e2aefa | 229 | } else if (isec==4) { |
3f434b6f | 230 | return AliMUONTriggerConstants::StripWidth(2)*fZscale; |
a9e2aefa | 231 | } else { |
232 | return 0.; | |
233 | } | |
234 | } | |
235 | ||
236 | //------------------------------------------------------------------ | |
c3eff6ad | 237 | Float_t AliMUONSegmentationTriggerY::Dpy(Int_t isec) const |
3f2cdba8 | 238 | { |
239 | // returns y size of y strips for sector isec | |
a9e2aefa | 240 | if (isec==1) { |
3f434b6f | 241 | return AliMUONTriggerConstants::StripLength(3)*fZscale; |
a9e2aefa | 242 | } else if (isec==2) { |
3f434b6f | 243 | return AliMUONTriggerConstants::StripLength(2)*fZscale; |
a9e2aefa | 244 | } else if (isec==3) { |
3f434b6f | 245 | return AliMUONTriggerConstants::StripLength(3)*fZscale; |
a9e2aefa | 246 | } else if (isec==4) { |
3f434b6f | 247 | return AliMUONTriggerConstants::StripLength(3)*fZscale; |
a9e2aefa | 248 | } else if (isec==5) { |
3f434b6f | 249 | return AliMUONTriggerConstants::StripLength(3)*fZscale; |
a9e2aefa | 250 | } else { |
251 | return 0.; | |
252 | } | |
e889a146 | 253 | } |
254 | //------------------------------------------------------------------ | |
255 | void AliMUONSegmentationTriggerY::GetPadI(Float_t x, Float_t y, Float_t /*z*/, Int_t &ix, Int_t &iy) | |
256 | { | |
257 | GetPadI(x, y, ix, iy); | |
a9e2aefa | 258 | } |
259 | ||
260 | //------------------------------------------------------------------ | |
261 | void AliMUONSegmentationTriggerY::SetHit(Float_t xhit, Float_t yhit) | |
3f2cdba8 | 262 | { |
263 | // set hits during diintegration | |
03f221a7 | 264 | AliMUONSegmentationTrigger::SetHit(xhit,yhit); |
3f2cdba8 | 265 | } |
a9e2aefa | 266 | //------------------------------------------------------------------ |
e889a146 | 267 | void AliMUONSegmentationTriggerY::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/) |
268 | { | |
269 | SetHit(xhit, yhit); | |
270 | } | |
271 | //------------------------------------------------------------------ | |
b6a52ffa | 272 | Int_t AliMUONSegmentationTriggerY::Sector(Int_t ix, Int_t iy) |
a9e2aefa | 273 | { |
274 | // Returns sector number for given module | |
275 | // | |
276 | Int_t absix=TMath::Abs(ix); | |
b6a52ffa | 277 | Int_t iwidth=Int_t(StripSizeY(absix,iy)); |
3f2cdba8 | 278 | |
a9e2aefa | 279 | if (absix==52) { |
280 | return 1; | |
281 | } else if (absix==41||absix==61) { | |
282 | return 2; | |
283 | } else if (iwidth==2) { | |
284 | return 3; | |
285 | } else if (iwidth==4) { | |
286 | return 4; | |
287 | } else { | |
288 | return 0; | |
b6a52ffa | 289 | } |
290 | ||
a9e2aefa | 291 | } |
292 | ||
293 | //------------------------------------------------------------------ | |
294 | void AliMUONSegmentationTriggerY:: | |
03f221a7 | 295 | IntegrationLimits(Float_t& x1, Float_t& x2, Float_t& x3, Float_t& x4) |
a9e2aefa | 296 | { |
297 | // returns quantities needed to evaluate neighbour strip response | |
298 | Int_t ix,iy; | |
299 | Float_t xstrip,ystrip; | |
ecfa008b | 300 | GetPadI(fXhit,fYhit,ix,iy); |
a30a000f | 301 | GetPadC(ix,iy,xstrip,ystrip); |
ecfa008b | 302 | x1=fXhit; // hit x position |
a9e2aefa | 303 | x2=xstrip; // x coordinate of the main strip |
ecfa008b | 304 | x3=fX; // current strip real x coordinate |
03f221a7 | 305 | // width=StripSizeY(ix); // width of the main strip |
306 | ||
307 | // find the position of the 2 borders of the current strip | |
308 | Float_t xmin = fXofysmin[ModuleNumber(fIx)][fIy]; | |
309 | Float_t xmax = fXofysmax[ModuleNumber(fIx)][fIy]; | |
310 | ||
311 | // dist. between the hit and the closest border of the current strip | |
312 | x4 = (TMath::Abs(xmax-x1) > TMath::Abs(xmin-x1)) ? | |
313 | TMath::Abs(xmin-x1):TMath::Abs(xmax-x1); | |
314 | ||
a9e2aefa | 315 | } |
316 | ||
317 | ||
318 | ||
319 |