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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 | /* $Id$ */ | |
16 | //_________________________________________________________________________ | |
17 | // A RecPoint (cluster) in the PPSD | |
18 | // A PPSD RecPoint ends up to be a single digit | |
19 | // Why should I put meaningless comments | |
20 | // just to satisfy | |
21 | // the code checker | |
22 | // | |
23 | //*-- Yves Schutz (SUBATECH) | |
24 | ||
25 | // --- ROOT system --- | |
26 | ||
27 | #include "TPad.h" | |
28 | ||
29 | // --- Standard library --- | |
30 | ||
31 | // --- AliRoot header files --- | |
32 | ||
33 | #include "AliPHOSGeometry.h" | |
34 | #include "AliPHOSPpsdRecPoint.h" | |
35 | #include "AliPHOSCpvRecPoint.h" | |
36 | #include "AliRun.h" | |
37 | #include "AliPHOSLoader.h" | |
38 | ||
39 | ClassImp(AliPHOSPpsdRecPoint) | |
40 | ||
41 | //____________________________________________________________________________ | |
42 | AliPHOSPpsdRecPoint::AliPHOSPpsdRecPoint(void) | |
43 | { | |
44 | // ctor | |
45 | ||
46 | fMulDigit = 0 ; | |
47 | fLocPos.SetX(1000000.) ; //Local position should be evaluated | |
48 | } | |
49 | ||
50 | //____________________________________________________________________________ | |
51 | void AliPHOSPpsdRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) | |
52 | { | |
53 | // adds a digit to the digits list | |
54 | // and accumulates the total amplitude and the multiplicity | |
55 | ||
56 | ||
57 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists | |
58 | fMaxDigit*=2 ; | |
59 | int * tempo = new ( int[fMaxDigit] ) ; | |
60 | Int_t index ; | |
61 | ||
62 | for ( index = 0 ; index < fMulDigit ; index++ ) | |
63 | tempo[index] = fDigitsList[index] ; | |
64 | ||
65 | delete [] fDigitsList ; | |
66 | fDigitsList = new ( int[fMaxDigit] ) ; | |
67 | ||
68 | for ( index = 0 ; index < fMulDigit ; index++ ) | |
69 | fDigitsList[index] = tempo[index] ; | |
70 | ||
71 | delete [] tempo ; | |
72 | } | |
73 | ||
74 | fDigitsList[fMulDigit++] = digit.GetIndexInList() ; | |
75 | fAmp += Energy ; | |
76 | EvalPHOSMod(&digit) ; | |
77 | } | |
78 | ||
79 | //____________________________________________________________________________ | |
80 | Int_t AliPHOSPpsdRecPoint::Compare(const TObject * obj) const | |
81 | { | |
82 | // Compares according to the position | |
83 | Float_t delta = 1 ; //width of the "Sorting row" | |
84 | ||
85 | Int_t rv ; | |
86 | ||
87 | if( (strcmp(obj->ClassName() , "AliPHOSPpsdRecPoint" )) == 0) // PPSD Rec Point | |
88 | { | |
89 | AliPHOSPpsdRecPoint * clu = (AliPHOSPpsdRecPoint *)obj ; | |
90 | ||
91 | Float_t x1 , z1 ; //This rec point | |
92 | Float_t x2 , z2 ; // | |
93 | ||
94 | Int_t phosmod1 ; | |
95 | Int_t phosmod2 ; | |
96 | ||
97 | Int_t up1 ; | |
98 | Int_t up2 ; | |
99 | ||
100 | if(GetUp()) // upper layer | |
101 | up1 = 0 ; | |
102 | else // lower layer | |
103 | up1 = 1 ; | |
104 | ||
105 | if(clu->GetUp()) // upper layer | |
106 | up2 = 0 ; | |
107 | else // lower layer | |
108 | up2 = 1 ; | |
109 | ||
110 | TVector3 posloc ; | |
111 | GetLocalPosition(posloc) ; | |
112 | x1 = posloc.X() ; | |
113 | z1 = posloc.Z() ; | |
114 | phosmod1 = GetPHOSMod(); | |
115 | clu->GetLocalPosition(posloc) ; | |
116 | x2 = posloc.X() ; | |
117 | z2 = posloc.Z() ; | |
118 | phosmod2 = clu->GetPHOSMod(); | |
119 | ||
120 | if(phosmod1 == phosmod2 ) { | |
121 | ||
122 | if(up1 == up2 ){ | |
123 | Int_t rowdif = (Int_t)TMath::Ceil(x1/delta) - (Int_t) TMath::Ceil(x2/delta) ; | |
124 | ||
125 | if (rowdif> 0) | |
126 | rv = 1 ; | |
127 | else if(rowdif < 0) | |
128 | rv = -1 ; | |
129 | else if(z1>z2) | |
130 | rv = -1 ; | |
131 | else | |
132 | rv = 1 ; | |
133 | } | |
134 | ||
135 | else { | |
136 | ||
137 | if(up1 < up2 ) // Upper level first (up = True or False, True > False) | |
138 | rv = -1 ; | |
139 | else | |
140 | rv = 1 ; | |
141 | } | |
142 | ||
143 | } // if phosmod1 == phosmod2 | |
144 | ||
145 | else { | |
146 | ||
147 | if(phosmod1 < phosmod2 ) | |
148 | rv = -1 ; | |
149 | else | |
150 | rv = 1 ; | |
151 | ||
152 | } | |
153 | ||
154 | return rv ; | |
155 | } | |
156 | else | |
157 | { | |
158 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; | |
159 | if(GetPHOSMod() < clu->GetPHOSMod() ) | |
160 | rv = -1 ; | |
161 | else | |
162 | rv = 1 ; | |
163 | return rv ; | |
164 | } | |
165 | ||
166 | ||
167 | } | |
168 | ||
169 | //____________________________________________________________________________ | |
170 | void AliPHOSPpsdRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits ) | |
171 | { | |
172 | // calculates all the characteristics of the RecPoint | |
173 | AliPHOSRecPoint::EvalAll(logWeight,digits) ; | |
174 | EvalLocalPosition(logWeight,digits) ; | |
175 | EvalUp(digits) ; | |
176 | } | |
177 | ||
178 | //____________________________________________________________________________ | |
179 | void AliPHOSPpsdRecPoint::EvalLocalPosition(Float_t logWeight,TClonesArray * digits ) | |
180 | { | |
181 | // Calculates the local position in the PHOS-PPSD-module coordinates | |
182 | ||
183 | Int_t relid[4] ; | |
184 | ||
185 | Float_t x = 0. ; | |
186 | Float_t z = 0. ; | |
187 | ||
188 | AliPHOSLoader * gime = AliPHOSLoader::GetInstance() ; | |
189 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
190 | ||
191 | AliPHOSDigit * digit ; | |
192 | Int_t iDigit; | |
193 | ||
194 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { | |
195 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
196 | ||
197 | Float_t xi ; | |
198 | Float_t zi ; | |
199 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
200 | phosgeom->RelPosInModule(relid, xi, zi); | |
201 | x += xi ; | |
202 | z += zi ; | |
203 | } | |
204 | ||
205 | x /= fMulDigit ; | |
206 | z /= fMulDigit ; | |
207 | ||
208 | fLocPos.SetX(x) ; | |
209 | fLocPos.SetY(0.) ; | |
210 | fLocPos.SetZ(z) ; | |
211 | ||
212 | } | |
213 | ||
214 | //____________________________________________________________________________ | |
215 | void AliPHOSPpsdRecPoint::EvalUp(TClonesArray * digits) | |
216 | { | |
217 | // Are we in the uper PPSD module ? | |
218 | ||
219 | Int_t relid[4] ; | |
220 | ||
221 | AliPHOSLoader * gime = AliPHOSLoader::GetInstance() ; | |
222 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
223 | ||
224 | ||
225 | AliPHOSDigit *digit = (AliPHOSDigit *) digits->At(fDigitsList[0]) ; | |
226 | ||
227 | phosgeom->AbsToRelNumbering(digit->GetId(),relid); | |
228 | ||
229 | if((Int_t)TMath::Ceil((Float_t)relid[1]/ | |
230 | (phosgeom->GetNumberOfModulesPhi()*phosgeom->GetNumberOfModulesZ())-0.0001 ) > 1) | |
231 | fUp = kFALSE ; | |
232 | else | |
233 | fUp = kTRUE ; | |
234 | ||
235 | } | |
236 | //______________________________________________________________________________ | |
237 | void AliPHOSPpsdRecPoint::Paint(Option_t *) | |
238 | { | |
239 | //*-*-*-*-*-*-*-*-*-*-*Paint this ALiRecPoint as a TMarker with its current attributes*-*-*-*-*-*-* | |
240 | //*-* ============================================= | |
241 | ||
242 | TVector3 pos(0.,0.,0.) ; | |
243 | GetLocalPosition(pos) ; | |
244 | Coord_t x = pos.X() ; | |
245 | Coord_t y = pos.Z() ; | |
246 | Color_t markercolor = 1 ; | |
247 | Size_t markersize = 1. ; | |
248 | Style_t markerstyle = 2 ; | |
249 | if (GetUp()) | |
250 | markerstyle = 3 ; | |
251 | ||
252 | if (!gPad->IsBatch()) { | |
253 | gVirtualX->SetMarkerColor(markercolor); | |
254 | gVirtualX->SetMarkerSize (markersize); | |
255 | gVirtualX->SetMarkerStyle(markerstyle); | |
256 | } | |
257 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize); | |
258 | gPad->PaintPolyMarker(1,&x,&y,""); | |
259 | ||
260 | ||
261 | } | |
262 | ||
263 | //____________________________________________________________________________ | |
264 | void AliPHOSPpsdRecPoint::Print(Option_t * option) | |
265 | { | |
266 | // Print the digits information | |
267 | ||
268 | Info("Print","AliPHOSPpsdRecPoint: " ) ; | |
269 | ||
270 | Int_t iDigit; | |
271 | Info("Print"," Digit{s} # ") ; | |
272 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
273 | Info("Print", "%d", fDigitsList[iDigit]) ; | |
274 | Info("Print"," Multiplicity = %d", fMulDigit ) ; | |
275 | Info("Print"," Stored at position %d", fIndexInList ) ; | |
276 | } | |
277 | ||
278 |