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d15a28e7 | 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 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
b2a60966 | 19 | // A RecPoint (cluster) in the PPSD |
20 | // A PPSD RecPoint ends up to be a single digit | |
21 | // | |
22 | //*-- Yves Schutz (SUBATECH) | |
d15a28e7 | 23 | |
24 | // --- ROOT system --- | |
b2a60966 | 25 | |
9f616d61 | 26 | #include "TPad.h" |
b2a60966 | 27 | |
d15a28e7 | 28 | // --- Standard library --- |
29 | ||
de9ec31b | 30 | #include <iostream.h> |
d15a28e7 | 31 | |
32 | // --- AliRoot header files --- | |
33 | ||
34 | #include "AliPHOSGeometry.h" | |
35 | #include "AliPHOSPpsdRecPoint.h" | |
36 | #include "AliRun.h" | |
83974468 | 37 | #include "AliPHOSIndexToObject.h" |
d15a28e7 | 38 | |
39 | ClassImp(AliPHOSPpsdRecPoint) | |
40 | ||
41 | //____________________________________________________________________________ | |
42 | AliPHOSPpsdRecPoint::AliPHOSPpsdRecPoint(void) | |
43 | { | |
b2a60966 | 44 | // ctor |
45 | ||
d15a28e7 | 46 | fMulDigit = 0 ; |
47 | AliPHOSGeometry * geom = AliPHOSGeometry::GetInstance() ; | |
48 | fDelta = geom->GetCrystalSize(0) ; | |
49 | fLocPos.SetX(1000000.) ; //Local position should be evaluated | |
50 | } | |
51 | ||
d15a28e7 | 52 | //____________________________________________________________________________ |
83974468 | 53 | void AliPHOSPpsdRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) |
d15a28e7 | 54 | { |
55 | // adds a digit to the digits list | |
56 | // and accumulates the total amplitude and the multiplicity | |
57 | ||
58 | ||
59 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists | |
9f616d61 | 60 | fMaxDigit*=2 ; |
61 | int * tempo = new ( int[fMaxDigit] ) ; | |
d15a28e7 | 62 | Int_t index ; |
63 | ||
64 | for ( index = 0 ; index < fMulDigit ; index++ ) | |
65 | tempo[index] = fDigitsList[index] ; | |
66 | ||
9f616d61 | 67 | delete [] fDigitsList ; |
68 | fDigitsList = new ( int[fMaxDigit] ) ; | |
69 | ||
70 | for ( index = 0 ; index < fMulDigit ; index++ ) | |
71 | fDigitsList[index] = tempo[index] ; | |
72 | ||
73 | delete [] tempo ; | |
d15a28e7 | 74 | } |
9f616d61 | 75 | |
83974468 | 76 | fDigitsList[fMulDigit++] = digit.GetIndexInList() ; |
d15a28e7 | 77 | fAmp += Energy ; |
78 | } | |
79 | ||
d15a28e7 | 80 | //____________________________________________________________________________ |
81 | Int_t AliPHOSPpsdRecPoint::Compare(TObject * obj) | |
82 | { | |
b2a60966 | 83 | // Compares according to the position |
84 | ||
d15a28e7 | 85 | Int_t rv ; |
86 | ||
87 | AliPHOSPpsdRecPoint * clu = (AliPHOSPpsdRecPoint *)obj ; | |
88 | ||
89 | ||
90 | Float_t x1 , z1 ; | |
91 | Float_t x2 , z2 ; | |
92 | ||
92862013 | 93 | Int_t phosmod1 ; |
94 | Int_t phosmod2 ; | |
d15a28e7 | 95 | |
96 | Int_t up1 ; | |
97 | Int_t up2 ; | |
98 | ||
99 | if(GetUp()) // upper layer | |
100 | up1 = 0 ; | |
101 | else // lower layer | |
102 | up1 = 1 ; | |
103 | ||
104 | if(clu->GetUp()) // upper layer | |
105 | up2 = 0 ; | |
106 | else // lower layer | |
107 | up2 = 1 ; | |
108 | ||
92862013 | 109 | TVector3 posloc ; |
110 | this->GetLocalPosition(posloc) ; | |
111 | x1 = posloc.X() ; | |
112 | z1 = posloc.Z() ; | |
113 | phosmod1 = this->GetPHOSMod(); | |
114 | clu->GetLocalPosition(posloc) ; | |
115 | x2 = posloc.X() ; | |
116 | z2 = posloc.Z() ; | |
117 | phosmod2 = clu->GetPHOSMod(); | |
118 | ||
119 | if(phosmod1 == phosmod2 ) { | |
d15a28e7 | 120 | |
121 | if(up1 == up2 ){ | |
122 | Int_t rowdif = (Int_t)TMath::Ceil(x1/fDelta) - (Int_t) TMath::Ceil(x2/fDelta) ; | |
123 | ||
124 | if (rowdif> 0) | |
125 | rv = -1 ; | |
126 | else if(rowdif < 0) | |
127 | rv = 1 ; | |
128 | else if(z1>z2) | |
129 | rv = -1 ; | |
130 | else | |
131 | rv = 1 ; | |
132 | } | |
133 | ||
134 | else { | |
135 | ||
136 | if(up1 < up2 ) // Upper level first (up = True or False, True > False) | |
137 | rv = 1 ; | |
138 | else | |
139 | rv = - 1 ; | |
140 | } | |
141 | ||
92862013 | 142 | } // if phosmod1 == phosmod2 |
d15a28e7 | 143 | |
144 | else { | |
145 | ||
92862013 | 146 | if(phosmod1 < phosmod2 ) |
d15a28e7 | 147 | rv = -1 ; |
148 | else | |
149 | rv = 1 ; | |
150 | ||
151 | } | |
152 | ||
153 | return rv ; | |
154 | } | |
155 | ||
156 | //____________________________________________________________________________ | |
b2a60966 | 157 | void AliPHOSPpsdRecPoint::GetLocalPosition(TVector3 &LPos) |
158 | { | |
159 | // Calculates the local position in the PHOS-PPSD-module corrdinates | |
160 | ||
83974468 | 161 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
162 | ||
d15a28e7 | 163 | if( fLocPos.X() < 1000000.) { //allready evaluated |
164 | LPos = fLocPos ; | |
165 | return ; | |
166 | } | |
167 | ||
168 | Int_t relid[4] ; | |
169 | ||
170 | Float_t x = 0. ; | |
171 | Float_t z = 0. ; | |
172 | ||
92862013 | 173 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 174 | |
175 | AliPHOSDigit * digit ; | |
176 | Int_t iDigit; | |
177 | ||
6ad0bfa0 | 178 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { |
83974468 | 179 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ); |
d15a28e7 | 180 | |
181 | Float_t xi ; | |
182 | Float_t zi ; | |
92862013 | 183 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
184 | phosgeom->RelPosInModule(relid, xi, zi); | |
d15a28e7 | 185 | x += xi ; |
186 | z += zi ; | |
187 | } | |
188 | ||
6ad0bfa0 | 189 | x /= fMulDigit ; |
190 | z /= fMulDigit ; | |
d15a28e7 | 191 | |
192 | fLocPos.SetX(x) ; | |
193 | fLocPos.SetY(0.) ; | |
194 | fLocPos.SetZ(z) ; | |
195 | ||
196 | LPos = fLocPos ; | |
6ad0bfa0 | 197 | |
d15a28e7 | 198 | } |
199 | ||
200 | //____________________________________________________________________________ | |
201 | Bool_t AliPHOSPpsdRecPoint::GetUp() | |
202 | { | |
203 | Int_t relid[4] ; | |
204 | ||
83974468 | 205 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
206 | ||
92862013 | 207 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 208 | |
83974468 | 209 | |
210 | AliPHOSDigit *digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[0]) ) ; | |
d15a28e7 | 211 | |
92862013 | 212 | phosgeom->AbsToRelNumbering(digit->GetId(),relid); |
d15a28e7 | 213 | Bool_t up ; |
214 | ||
215 | if((Int_t)TMath::Ceil((Float_t)relid[1]/ | |
92862013 | 216 | (phosgeom->GetNumberOfModulesPhi()*phosgeom->GetNumberOfModulesZ())-0.0001 ) > 1) |
d15a28e7 | 217 | up = kFALSE ; |
218 | else | |
219 | up = kTRUE ; | |
220 | ||
221 | return up ; | |
222 | } | |
9f616d61 | 223 | //______________________________________________________________________________ |
224 | void AliPHOSPpsdRecPoint::Paint(Option_t *) | |
225 | { | |
b2a60966 | 226 | //*-*-*-*-*-*-*-*-*-*-*Paint this ALiRecPoint as a TMarker with its current attributes*-*-*-*-*-*-* |
227 | //*-* ============================================= | |
228 | ||
229 | TVector3 pos(0.,0.,0.) ; | |
230 | GetLocalPosition(pos) ; | |
231 | Coord_t x = pos.X() ; | |
232 | Coord_t y = pos.Z() ; | |
233 | Color_t markercolor = 1 ; | |
234 | Size_t markersize = 1. ; | |
235 | Style_t markerstyle = 2 ; | |
236 | if (GetUp()) | |
237 | markerstyle = 3 ; | |
238 | ||
239 | if (!gPad->IsBatch()) { | |
240 | gVirtualX->SetMarkerColor(markercolor); | |
241 | gVirtualX->SetMarkerSize (markersize); | |
242 | gVirtualX->SetMarkerStyle(markerstyle); | |
243 | } | |
244 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize); | |
245 | gPad->PaintPolyMarker(1,&x,&y,""); | |
246 | ||
247 | ||
9f616d61 | 248 | } |
d15a28e7 | 249 | |
250 | //____________________________________________________________________________ | |
251 | void AliPHOSPpsdRecPoint::Print(Option_t * option) | |
252 | { | |
b2a60966 | 253 | // Print the digits information |
254 | ||
d15a28e7 | 255 | cout << "AliPHOSPpsdRecPoint: " << endl ; |
256 | ||
257 | AliPHOSDigit * digit ; | |
d15a28e7 | 258 | Int_t iDigit; |
92862013 | 259 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
9f616d61 | 260 | |
261 | Float_t xi ; | |
262 | Float_t zi ; | |
263 | Int_t relid[4] ; | |
d15a28e7 | 264 | |
83974468 | 265 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
d15a28e7 | 266 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
83974468 | 267 | digit = please->GimeDigit( fDigitsList[iDigit] ) ; |
268 | if (digit) { | |
269 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
270 | phosgeom->RelPosInModule(relid, xi, zi); | |
271 | cout << " Id = " << digit->GetId() ; | |
272 | cout << " Phos mod = " << relid[0] ; | |
273 | cout << " PPSD mod = " << relid[1] ; | |
274 | cout << " x = " << xi ; | |
275 | cout << " z = " << zi ; | |
276 | cout << " Energy = " << digit->GetAmp() << endl ; | |
277 | } | |
d15a28e7 | 278 | } |
279 | cout << " Multiplicity = " << fMulDigit << endl ; | |
83974468 | 280 | cout << " Stored at position " << fIndexInList << endl ; |
d15a28e7 | 281 | } |
282 | ||
283 |