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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 | ||
16 | /* | |
17 | $Log$ | |
d81db581 | 18 | Revision 1.3 2000/06/26 10:01:26 pcrochet |
19 | global variables removed | |
20 | ||
3f2cdba8 | 21 | Revision 1.2 2000/06/15 07:58:48 morsch |
22 | Code from MUON-dev joined | |
23 | ||
a9e2aefa | 24 | Revision 1.1.2.1 2000/06/09 21:51:58 morsch |
25 | Code from AliMUONSegResTriggerY.cxx | |
26 | ||
27 | */ | |
28 | ||
3f2cdba8 | 29 | |
a9e2aefa | 30 | /* |
31 | Old Log: | |
32 | Revision 1.1.2.4 2000/05/05 10:17:04 morsch | |
33 | Y strip numerotation changed (CP) | |
34 | ||
35 | Revision 1.1.2.3 2000/04/26 12:33:40 morsch | |
36 | Minor changes in some methods (CP) | |
37 | ||
38 | Revision 1.1.2.2 2000/02/20 07:49:50 morsch | |
39 | Bugs in Dpx, Dpy and ISector methods corrected (P.C.) | |
40 | ||
41 | Revision 1.1.2.1 2000/02/17 14:34:57 morsch | |
42 | Draft version from P. Crochet | |
43 | ||
44 | */ | |
45 | ||
46 | #include "AliMUONSegmentationTriggerY.h" | |
3f2cdba8 | 47 | #include "AliMUONTriggerConstants.h" |
a9e2aefa | 48 | #include "TMath.h" |
49 | #include "TRandom.h" | |
50 | #include "TArc.h" | |
51 | #include "AliMUONChamber.h" | |
52 | #include <iostream.h> | |
53 | ClassImp(AliMUONSegmentationTriggerY) | |
54 | ||
3f2cdba8 | 55 | //------------------------------------------------------------------ |
d81db581 | 56 | void AliMUONSegmentationTriggerY::Init(Int_t chamber) |
a9e2aefa | 57 | { |
3f2cdba8 | 58 | // intialize Y segmentation |
a9e2aefa | 59 | cout << "Initialize Trigger Chamber Geometry Y " << "\n"; |
d81db581 | 60 | AliMUONSegmentationTrigger::Init(chamber); |
a9e2aefa | 61 | |
62 | // calculate x & y position of Y strips | |
3f2cdba8 | 63 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
64 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
65 | Float_t width=StripSizeY(AliMUONTriggerConstants::ModuleId(imodule)); | |
66 | Int_t nStrip=AliMUONTriggerConstants::NstripY(imodule); | |
67 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
a9e2aefa | 68 | if (imodule<63) { |
3f2cdba8 | 69 | fXofysmin[imodule][istrip]= |
70 | (AliMUONTriggerConstants::XcMin(imodule)+width*(istrip))*fZscale; | |
71 | fXofysmax[imodule][istrip]= | |
72 | (AliMUONTriggerConstants::XcMin(imodule)+width*(istrip+1))*fZscale; | |
a9e2aefa | 73 | } else { |
74 | fXofysmin[imodule][istrip]=-1.*fXofysmax[imodule-63][istrip]; | |
75 | fXofysmax[imodule][istrip]=-1.*fXofysmin[imodule-63][istrip]; | |
76 | } | |
3f2cdba8 | 77 | fYofysmin[imodule][istrip] = fYcmin[imodule]*fZscale; |
78 | fYofysmax[imodule][istrip] = fYcmax[imodule]*fZscale; | |
a9e2aefa | 79 | } |
80 | } | |
81 | ||
82 | } | |
83 | ||
84 | //------------------------------------------------------------------ | |
85 | void AliMUONSegmentationTriggerY::GetPadIxy(Float_t x,Float_t y,Int_t &ix,Int_t &iy){ | |
86 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
87 | // x,y = real coordinates; ix = module number , iy = strip number | |
88 | ||
89 | ix = 0; | |
90 | iy = 0; | |
3f2cdba8 | 91 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
92 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
93 | Int_t nStrip=AliMUONTriggerConstants::NstripY(imodule); | |
94 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
a9e2aefa | 95 | if (x>fXofysmin[imodule][istrip]&&x<fXofysmax[imodule][istrip]&& |
96 | y>fYofysmin[imodule][istrip]&&y<fYofysmax[imodule][istrip]){ | |
3f2cdba8 | 97 | ix = AliMUONTriggerConstants::ModuleId(imodule); |
a9e2aefa | 98 | iy = istrip; |
99 | } | |
100 | } | |
101 | } | |
102 | } | |
103 | ||
104 | //------------------------------------------------------------------ | |
105 | void AliMUONSegmentationTriggerY::GetPadCxy(Int_t ix, Int_t iy, Float_t &x, Float_t &y){ | |
106 | // Returns real coordinates (x,y) for given pad coordinates (ix,iy) | |
107 | // ix = module number , iy = strip number; x,y = center of strip | |
108 | x = 0.; | |
109 | y = 0.; | |
3f2cdba8 | 110 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
111 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
112 | if (AliMUONTriggerConstants::ModuleId(imodule)==ix){ | |
a9e2aefa | 113 | x=fXofysmin[imodule][iy]+(fXofysmax[imodule][iy]-fXofysmin[imodule][iy])/2.; |
114 | y=fYofysmin[imodule][iy]+(fYofysmax[imodule][iy]-fYofysmin[imodule][iy])/2.; | |
115 | } | |
116 | } | |
117 | } | |
118 | ||
119 | //------------------------------------------------------------------ | |
120 | void AliMUONSegmentationTriggerY::SetPadSize(Float_t p1, Float_t p2) | |
121 | { | |
122 | // Sets the padsize | |
123 | // | |
124 | fDpx=p1; | |
125 | fDpy=p2; | |
126 | } | |
127 | ||
128 | //------------------------------------------------------------------ | |
129 | void AliMUONSegmentationTriggerY:: | |
130 | Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[2], Int_t Ylist[2]){ | |
131 | // Returns list of next neighbours for given Pad (ix, iy) | |
132 | Int_t absiX=TMath::Abs(iX); | |
133 | *Nlist = 0; | |
134 | ||
135 | if (absiX!=0) { | |
136 | Int_t numModule=ModuleNumber(absiX); | |
137 | ||
3f2cdba8 | 138 | if (iY==AliMUONTriggerConstants::NstripY(numModule)-1) { // strip right |
a9e2aefa | 139 | if (absiX%10!=7) { |
140 | *Nlist=1; | |
141 | Xlist[0]=absiX+1; | |
142 | Ylist[0]=0; | |
143 | } | |
144 | } else { | |
145 | *Nlist=1; | |
146 | Xlist[0]=absiX; | |
147 | Ylist[0]=iY+1; | |
148 | } | |
149 | ||
150 | if (iY==0) { // strip left | |
151 | if (absiX%10!=1&&absiX!=52) { | |
152 | *Nlist=*Nlist+1; | |
153 | Xlist[*Nlist-1]=absiX-1; | |
3f2cdba8 | 154 | Ylist[*Nlist-1]=AliMUONTriggerConstants::NstripY(numModule-1)-1; |
a9e2aefa | 155 | } |
156 | } else { | |
157 | *Nlist=*Nlist+1; | |
158 | Xlist[*Nlist-1]=absiX; | |
159 | Ylist[*Nlist-1]=iY-1; | |
160 | } | |
161 | ||
162 | if (iX<0) { // left side of chamber | |
163 | for (Int_t i=0; i<*Nlist; i++) {Xlist[i]=-Xlist[i];} | |
164 | } | |
165 | } | |
166 | } | |
167 | ||
168 | //------------------------------------------------------------------ | |
169 | void AliMUONSegmentationTriggerY::SetPad(Int_t ix, Int_t iy) | |
170 | { | |
171 | // Sets virtual pad coordinates, needed for evaluating pad response | |
172 | // outside the tracking program | |
173 | GetPadCxy(ix,iy,fx,fy); | |
174 | GetPadIxy(fx,fy,fix,fiy); | |
175 | fSector=Sector(ix,iy); | |
176 | } | |
177 | ||
178 | //------------------------------------------------------------------ | |
179 | Int_t AliMUONSegmentationTriggerY::ISector() | |
180 | { return fSector;} | |
181 | ||
182 | //------------------------------------------------------------------ | |
183 | Int_t AliMUONSegmentationTriggerY::Ix() | |
184 | { return fix;} | |
185 | ||
186 | //------------------------------------------------------------------ | |
187 | Int_t AliMUONSegmentationTriggerY::Iy() | |
188 | { return fiy;} | |
189 | ||
190 | //------------------------------------------------------------------ | |
191 | Float_t AliMUONSegmentationTriggerY::Dpx(Int_t isec) | |
3f2cdba8 | 192 | { |
193 | // returns x size of y strips for sector isec | |
a9e2aefa | 194 | if (isec==1) { |
195 | return 2.125*fZscale; | |
196 | } else if (isec==2) { | |
197 | return 2.125*fZscale; | |
198 | } else if (isec==3) { | |
199 | return 2.125*fZscale; | |
200 | } else if (isec==4) { | |
201 | return 4.25*fZscale; | |
202 | } else { | |
203 | return 0.; | |
204 | } | |
205 | } | |
206 | ||
207 | //------------------------------------------------------------------ | |
208 | Float_t AliMUONSegmentationTriggerY::Dpy(Int_t isec) | |
3f2cdba8 | 209 | { |
210 | // returns y size of y strips for sector isec | |
a9e2aefa | 211 | if (isec==1) { |
212 | return 68.0*fZscale; | |
213 | } else if (isec==2) { | |
214 | return 51.0*fZscale; | |
215 | } else if (isec==3) { | |
216 | return 68.0*fZscale; | |
217 | } else if (isec==4) { | |
218 | return 68.0*fZscale; | |
219 | } else if (isec==5) { | |
220 | return 68.0*fZscale; | |
221 | } else { | |
222 | return 0.; | |
223 | } | |
224 | ||
225 | } | |
226 | ||
227 | //------------------------------------------------------------------ | |
228 | void AliMUONSegmentationTriggerY::SetHit(Float_t xhit, Float_t yhit) | |
3f2cdba8 | 229 | { |
230 | // set hits during diintegration | |
231 | AliMUONSegmentationTrigger::SetHit(xhit,yhit); | |
232 | } | |
a9e2aefa | 233 | |
234 | //------------------------------------------------------------------ | |
235 | Int_t AliMUONSegmentationTriggerY::Sector(Int_t ix, Int_t iy) | |
236 | { | |
237 | // Returns sector number for given module | |
238 | // | |
239 | Int_t absix=TMath::Abs(ix); | |
240 | Int_t iwidth=Int_t(StripSizeY(absix)); | |
3f2cdba8 | 241 | |
a9e2aefa | 242 | if (absix==52) { |
243 | return 1; | |
244 | } else if (absix==41||absix==61) { | |
245 | return 2; | |
246 | } else if (iwidth==2) { | |
247 | return 3; | |
248 | } else if (iwidth==4) { | |
249 | return 4; | |
250 | } else { | |
251 | return 0; | |
252 | } | |
253 | } | |
254 | ||
255 | //------------------------------------------------------------------ | |
256 | void AliMUONSegmentationTriggerY:: | |
257 | IntegrationLimits(Float_t& x1, Float_t& x2, Float_t& x3, Float_t& width) | |
258 | { | |
259 | // returns quantities needed to evaluate neighbour strip response | |
260 | Int_t ix,iy; | |
261 | Float_t xstrip,ystrip; | |
262 | GetPadIxy(fxhit,fyhit,ix,iy); | |
263 | GetPadCxy(ix,iy,xstrip,ystrip); | |
264 | x1=fxhit; // hit x position | |
265 | x2=xstrip; // x coordinate of the main strip | |
266 | x3=fx; // current strip real x coordinate | |
267 | width=StripSizeY(ix); // width of the main strip | |
268 | } | |
269 | ||
270 | ||
271 | ||
272 |