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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 21:51:03 morsch |
25 | Code from AliMUONSegResTrigger.cxx | |
26 | ||
27 | */ | |
28 | ||
29 | ||
3f2cdba8 | 30 | |
a9e2aefa | 31 | /* |
32 | Old Log: | |
33 | Revision 1.1.2.4 2000/04/26 12:33:25 morsch | |
34 | Minor changes in some methods (CP) | |
35 | ||
36 | Revision 1.1.2.3 2000/03/20 18:14:16 morsch | |
37 | Missing sector added. | |
38 | ||
39 | Revision 1.1.2.2 2000/02/20 07:50:49 morsch | |
40 | Bugs in Dpx, Dpy and ISector methods corrected (P.C.) | |
41 | ||
42 | Revision 1.1.2.1 2000/02/17 14:33:49 morsch | |
43 | Draft version from P. Crochet | |
44 | ||
45 | */ | |
46 | ||
47 | #include "AliMUONSegmentationTriggerX.h" | |
3f2cdba8 | 48 | #include "AliMUONTriggerConstants.h" |
a9e2aefa | 49 | #include "TMath.h" |
50 | #include "TRandom.h" | |
51 | #include "TArc.h" | |
52 | #include "AliMUONChamber.h" | |
53 | #include <iostream.h> | |
54 | ClassImp(AliMUONSegmentationTriggerX) | |
3f2cdba8 | 55 | |
56 | //------------------------------------------------------------------ | |
d81db581 | 57 | void AliMUONSegmentationTriggerX::Init(Int_t chamber) |
a9e2aefa | 58 | { |
3f2cdba8 | 59 | // intialize X segmentation |
a9e2aefa | 60 | cout << "Initialize Trigger Chamber Geometry X " << "\n"; |
d81db581 | 61 | AliMUONSegmentationTrigger::Init(chamber); |
a9e2aefa | 62 | |
63 | // calculate x & y position of X strips | |
3f2cdba8 | 64 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
65 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
66 | Float_t width=StripSizeX(AliMUONTriggerConstants::ModuleId(imodule)); | |
67 | Int_t nStrip=AliMUONTriggerConstants::NstripX(imodule); | |
68 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
69 | fXofxsmin[imodule][istrip] = AliMUONTriggerConstants::XcMin(imodule)*fZscale; | |
70 | fXofxsmax[imodule][istrip] = AliMUONTriggerConstants::XcMax(imodule)*fZscale; | |
a9e2aefa | 71 | |
3f2cdba8 | 72 | fYofxsmin[imodule][istrip] = (fYcmin[imodule]+width*(istrip))*fZscale; |
73 | fYofxsmax[imodule][istrip] = (fYcmin[imodule]+width*(istrip+1))*fZscale; | |
a9e2aefa | 74 | } |
75 | } | |
76 | } | |
77 | ||
78 | //------------------------------------------------------------------ | |
79 | void AliMUONSegmentationTriggerX::GetPadIxy(Float_t x,Float_t y,Int_t &ix,Int_t &iy){ | |
80 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
81 | // x,y = real coordinates; ix = module number , iy = strip number | |
82 | ix = 0; | |
83 | iy = 0; | |
3f2cdba8 | 84 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
85 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
86 | Int_t nStrip=AliMUONTriggerConstants::NstripX(imodule); | |
87 | for (Int_t istrip=0; istrip<nStrip; istrip++){ | |
88 | if (x>fXofxsmin[imodule][istrip]&&x<fXofxsmax[imodule][istrip]&& | |
89 | y>fYofxsmin[imodule][istrip]&&y<fYofxsmax[imodule][istrip]){ | |
90 | ix = AliMUONTriggerConstants::ModuleId(imodule); | |
91 | iy = istrip; | |
92 | } | |
a9e2aefa | 93 | } |
a9e2aefa | 94 | } |
95 | } | |
96 | ||
97 | //------------------------------------------------------------------ | |
98 | void AliMUONSegmentationTriggerX::GetPadCxy(Int_t ix, Int_t iy, Float_t &x, Float_t &y){ | |
99 | // Returns real coordinates (x,y) for given pad coordinates (ix,iy) | |
100 | // ix = module number , iy = strip number; x,y = center of strip | |
101 | x = 0.; | |
102 | y = 0.; | |
3f2cdba8 | 103 | Int_t nModule=AliMUONTriggerConstants::Nmodule(); |
104 | ||
105 | for (Int_t imodule=0; imodule<nModule; imodule++) { | |
106 | if (AliMUONTriggerConstants::ModuleId(imodule)==ix){ | |
a9e2aefa | 107 | x=fXofxsmin[imodule][iy]+(fXofxsmax[imodule][iy]-fXofxsmin[imodule][iy])/2.; |
108 | y=fYofxsmin[imodule][iy]+(fYofxsmax[imodule][iy]-fYofxsmin[imodule][iy])/2.; | |
109 | } | |
110 | } | |
111 | } | |
112 | ||
113 | //------------------------------------------------------------------ | |
114 | void AliMUONSegmentationTriggerX::SetPadSize(Float_t p1, Float_t p2) | |
115 | { | |
116 | // Sets the padsize | |
117 | // | |
118 | fDpx=p1; | |
119 | fDpy=p2; | |
120 | } | |
121 | ||
122 | //------------------------------------------------------------------ | |
123 | void AliMUONSegmentationTriggerX:: | |
124 | Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[2], Int_t Ylist[2]){ | |
125 | // Returns list of next neighbours for given Pad (ix, iy) | |
126 | ||
127 | Int_t absiX=TMath::Abs(iX); | |
128 | *Nlist = 0; | |
129 | ||
130 | if (absiX!=0) { | |
131 | Int_t numModule=ModuleNumber(absiX); | |
132 | ||
3f2cdba8 | 133 | if (iY<AliMUONTriggerConstants::NstripX(numModule)-1) { // strip up in same module |
a9e2aefa | 134 | *Nlist=1; |
135 | Xlist[0]=absiX; | |
136 | Ylist[0]=iY+1; | |
137 | } | |
138 | ||
139 | if (iY>0) { // strip down in same module | |
140 | *Nlist=*Nlist+1; | |
141 | Xlist[*Nlist-1]=absiX; | |
142 | Ylist[*Nlist-1]=iY-1; | |
143 | } | |
144 | ||
145 | if (iX<0) { // left side of chamber | |
146 | for (Int_t i=0; i<*Nlist; i++) {Xlist[i]=-Xlist[i];} | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | //------------------------------------------------------------------ | |
152 | void AliMUONSegmentationTriggerX::SetPad(Int_t ix, Int_t iy) | |
153 | { | |
154 | // Sets virtual pad coordinates, needed for evaluating pad response | |
155 | // outside the tracking program | |
156 | GetPadCxy(ix,iy,fx,fy); | |
157 | GetPadIxy(fx,fy,fix,fiy); | |
158 | fSector=Sector(ix,iy); | |
159 | } | |
160 | ||
161 | //------------------------------------------------------------------ | |
162 | Int_t AliMUONSegmentationTriggerX::ISector() | |
163 | { return fSector;} | |
164 | ||
165 | //------------------------------------------------------------------ | |
166 | Int_t AliMUONSegmentationTriggerX::Ix() | |
167 | { return fix;} | |
168 | ||
169 | //------------------------------------------------------------------ | |
170 | Int_t AliMUONSegmentationTriggerX::Iy() | |
171 | { return fiy;} | |
172 | ||
173 | //------------------------------------------------------------------ | |
174 | Float_t AliMUONSegmentationTriggerX::Dpx(Int_t isec) | |
3f2cdba8 | 175 | { |
176 | // returns x size of x strips for sector isec | |
a9e2aefa | 177 | |
178 | if (isec==1) { | |
179 | return 17.0*fZscale; | |
180 | } else if (isec==2) { | |
181 | return 34.0*fZscale; | |
182 | } else if (isec==3) { | |
183 | return 34.0*fZscale; | |
184 | } else if (isec==4) { | |
185 | return 34.0*fZscale; | |
186 | } else if (isec==5) { | |
187 | return 34.0*fZscale; | |
188 | } else if (isec==6) { | |
189 | return 68.0*fZscale; | |
190 | } else { | |
191 | return 0.; | |
192 | } | |
193 | } | |
194 | ||
195 | //------------------------------------------------------------------ | |
196 | Float_t AliMUONSegmentationTriggerX::Dpy(Int_t isec) | |
3f2cdba8 | 197 | { |
198 | // returns y size of x strips for sector isec | |
a9e2aefa | 199 | |
200 | if (isec==1) { | |
201 | return 1.0625*fZscale; | |
202 | } else if (isec==2) { | |
203 | return 1.0625*fZscale; | |
204 | } else if (isec==3) { | |
205 | return 1.0625*fZscale; | |
206 | } else if (isec==4) { | |
207 | return 2.125*fZscale; | |
208 | } else if (isec==5) { | |
209 | return 4.25*fZscale; | |
210 | } else if (isec==6) { | |
211 | return 4.25*fZscale; | |
212 | } else { | |
213 | return 0.; | |
214 | } | |
215 | } | |
216 | ||
217 | //------------------------------------------------------------------ | |
218 | void AliMUONSegmentationTriggerX::SetHit(Float_t xhit, Float_t yhit) | |
3f2cdba8 | 219 | { |
220 | // set hit during disIntegration | |
221 | AliMUONSegmentationTrigger::SetHit(xhit,yhit); | |
222 | } | |
a9e2aefa | 223 | |
224 | //------------------------------------------------------------------ | |
225 | Int_t AliMUONSegmentationTriggerX::Sector(Int_t ix, Int_t iy) | |
226 | { | |
227 | // Returns sector number for given module | |
228 | // | |
3f2cdba8 | 229 | |
a9e2aefa | 230 | Int_t absix=TMath::Abs(ix); |
231 | Int_t iwidth=Int_t(StripSizeX(absix)); | |
3f2cdba8 | 232 | |
a9e2aefa | 233 | if (absix==52) { |
234 | return 1; | |
235 | } else if (absix==41||absix==61) { | |
236 | return 2; | |
237 | } else if (iwidth==1) { | |
238 | return 3; | |
239 | } else if (iwidth==2) { | |
240 | return 4; | |
241 | } else if ((absix>=11&&absix<17)||(absix>=91&&absix<97)) { | |
242 | return 5; | |
243 | } else if (iwidth==4) { | |
244 | return 6; | |
245 | } else { | |
246 | return 0; | |
247 | } | |
248 | } | |
249 | ||
250 | //------------------------------------------------------------------ | |
251 | void AliMUONSegmentationTriggerX:: | |
252 | IntegrationLimits(Float_t& x1, Float_t& x2, Float_t& x3, Float_t& width) | |
3f2cdba8 | 253 | { |
254 | // returns quantities needed to evaluate neighbour strip response | |
255 | ||
a9e2aefa | 256 | Int_t ix,iy; |
257 | Float_t xstrip,ystrip; | |
258 | GetPadIxy(fxhit,fyhit,ix,iy); | |
259 | GetPadCxy(ix,iy,xstrip,ystrip); | |
260 | x1=fyhit; // hit y position | |
261 | x2=ystrip; // y coordinate of the main strip | |
262 | x3=fy; // current strip real y coordinate | |
263 | width=StripSizeX(ix); // width of the main strip | |
264 | } | |
265 | ||
266 | ||
267 | ||
268 | ||
269 | ||
270 | ||
271 | ||
272 |