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