Fixing ompilation warnings
[u/mrichter/AliRoot.git] / PHOS / AliPHOSRecPoint.cxx
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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 **************************************************************************/
b2a60966 15/* $Id$ */
d15a28e7 16//_________________________________________________________________________
b2a60966 17// Base Class for PHOS Reconstructed Points
2f04ed65 18// Why should I put meaningless comments
19// just to satisfy
20// the code checker
6c8cd883 21//-- Author: Gines Martinez (SUBATECH)
d15a28e7 22
23// --- ROOT system ---
9f616d61 24#include "TPad.h"
e957fea8 25#include "TGraph.h"
26#include "TPaveText.h"
2731cd1e 27#include "TClonesArray.h"
e4517abc 28#include "TGeoMatrix.h"
d15a28e7 29
30// --- Standard library ---
31
32// --- AliRoot header files ---
1c4f25fb 33#include "AliLog.h"
c307c629 34#include "AliPHOSLoader.h"
d15a28e7 35#include "AliPHOSGeometry.h"
36#include "AliPHOSDigit.h"
37#include "AliPHOSRecPoint.h"
b48eb81e 38#include "AliGeomManager.h"
9f616d61 39
d15a28e7 40ClassImp(AliPHOSRecPoint)
41
42
43//____________________________________________________________________________
44AliPHOSRecPoint::AliPHOSRecPoint()
9ee9f78d 45 : AliCluster(),fPHOSMod(0),
85d85a6d 46 fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
9ee9f78d 47 fDigitsList(0),fTracksList(0),fAmp(0),
48 fIndexInList(-1), // to be set when the point is already stored
b7575333 49 fLocPos(0,0,0)
d15a28e7 50{
b2a60966 51 // ctor
52
d15a28e7 53}
54
55//____________________________________________________________________________
9ee9f78d 56AliPHOSRecPoint::AliPHOSRecPoint(const char * )
57 : AliCluster(),fPHOSMod(0),
58 fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
85d85a6d 59 fDigitsList(new Int_t[fMaxDigit]),fTracksList(new Int_t[fMaxTrack]),fAmp(0),
9ee9f78d 60 fIndexInList(-1), // to be set when the point is already stored
b7575333 61 fLocPos(0,0,0)
9ee9f78d 62
73a68ccb 63{
64 // ctor
65
55fe9d13 66}
9ee9f78d 67//_______________________________________________________________________
68AliPHOSRecPoint::~AliPHOSRecPoint()
69{
70 // dtor
71
9ee9f78d 72 delete [] fDigitsList ;
73 delete [] fTracksList ;
74
75}
76//____________________________________________________________________________
77AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &rp) :
78 AliCluster(rp),
79 fPHOSMod(rp.fPHOSMod),fMulTrack(rp.fMulTrack),fMaxDigit(rp.fMaxDigit),
25779c68 80 fMulDigit(rp.fMulDigit),fMaxTrack(rp.fMaxTrack),fDigitsList(0x0),
81 fTracksList(0x0),fAmp(rp.fAmp),fIndexInList(rp.fIndexInList),
b7575333 82 fLocPos(rp.fLocPos)
9ee9f78d 83{
84 //copy ctor
55fe9d13 85
25779c68 86 if (rp.fMulDigit>0) fDigitsList = new Int_t[rp.fMulDigit];
85d85a6d 87 for(Int_t i=0; i<fMulDigit; i++)
9ee9f78d 88 fDigitsList[i] = rp.fDigitsList[i];
89
25779c68 90 if (rp.fMulTrack>0) fTracksList = new Int_t[rp.fMulTrack];
85d85a6d 91 for(Int_t i=0; i<fMulTrack; i++)
9ee9f78d 92 fTracksList[i] = rp.fTracksList[i];
93
94}
95//____________________________________________________________________________
96AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp)
97{
98 if(&rp == this) return *this;
99
100 fPHOSMod = rp.fPHOSMod;
101 fMulTrack = rp.fMulTrack;
102 fMaxDigit = rp.fMaxDigit;
103 fMulDigit = rp.fMulDigit;
104 fMaxTrack = rp.fMaxTrack;
105 fAmp = rp.fAmp;
106 fIndexInList = rp.fIndexInList;
107 fLocPos = rp.fLocPos;
9ee9f78d 108
109 for(Int_t i=0; i<fMaxDigit; i++)
110 fDigitsList[i] = rp.fDigitsList[i];
111
112 for(Int_t i=0; i<fMaxTrack; i++)
113 fTracksList[i] = rp.fTracksList[i];
114
115 return *this;
116}
55fe9d13 117//____________________________________________________________________________
9f616d61 118Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
119{
b2a60966 120 // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker
121 // Compute the closest distance of approach from point px,py to this marker.
122 // The distance is computed in pixels units.
123
124 TVector3 pos(0.,0.,0.) ;
125 GetLocalPosition( pos) ;
126 Float_t x = pos.X() ;
127 Float_t y = pos.Z() ;
128 const Int_t kMaxDiff = 10;
129 Int_t pxm = gPad->XtoAbsPixel(x);
130 Int_t pym = gPad->YtoAbsPixel(y);
131 Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
132
133 if (dist > kMaxDiff) return 9999;
134 return dist;
9f616d61 135}
6ad0bfa0 136
9f616d61 137//___________________________________________________________________________
138 void AliPHOSRecPoint::Draw(Option_t *option)
139 {
6ad0bfa0 140 // Draw this AliPHOSRecPoint with its current attributes
141
142 AppendPad(option);
9f616d61 143 }
144
145//______________________________________________________________________________
8f2a3661 146void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
9f616d61 147{
6ad0bfa0 148 // Execute action corresponding to one event
149 // This member function is called when a AliPHOSRecPoint is clicked with the locator
150 //
151 // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
152 // and switched off when the mouse button is released.
9f616d61 153
154 // static Int_t pxold, pyold;
155
b2a60966 156 static TGraph * digitgraph = 0 ;
157 static TPaveText* clustertext = 0 ;
158
159 if (!gPad->IsEditable()) return;
9f616d61 160
b2a60966 161 switch (event) {
162
163
164 case kButton1Down:{
165 AliPHOSDigit * digit ;
88cb7938 166
6c8cd883 167 AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ;
7b7c1533 168
b2a60966 169 Int_t iDigit;
170 Int_t relid[4] ;
31aa6d6c 171
88714635 172 const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
173 Float_t * xi = new Float_t [kMulDigit] ;
174 Float_t * zi = new Float_t [kMulDigit] ;
b2a60966 175
88714635 176 for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
4696e514 177 Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code");
7a9d98f9 178 digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]);
b2a60966 179 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
180 phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
181 }
182
183 if (!digitgraph) {
184 digitgraph = new TGraph(fMulDigit,xi,zi);
185 digitgraph-> SetMarkerStyle(5) ;
186 digitgraph-> SetMarkerSize(1.) ;
187 digitgraph-> SetMarkerColor(1) ;
188 digitgraph-> Draw("P") ;
189 }
190 if (!clustertext) {
191
192 TVector3 pos(0.,0.,0.) ;
193 GetLocalPosition(pos) ;
194 clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
195 Text_t line1[40] ;
196 Text_t line2[40] ;
197 sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
198 sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
199 clustertext ->AddText(line1) ;
200 clustertext ->AddText(line2) ;
201 clustertext ->Draw("");
202 }
203 gPad->Update() ;
a8c47ab6 204 Print("dummy") ;
31aa6d6c 205 delete[] xi ;
206 delete[] zi ;
207 }
b2a60966 208
31aa6d6c 209break;
b2a60966 210
211 case kButton1Up:
212 if (digitgraph) {
213 delete digitgraph ;
214 digitgraph = 0 ;
215 }
216 if (clustertext) {
217 delete clustertext ;
218 clustertext = 0 ;
219 }
220
221 break;
222
9f616d61 223 }
9f616d61 224}
ad8cfaf4 225//____________________________________________________________________________
308fb942 226void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */)
88cb7938 227{
ad8cfaf4 228 //evaluates (if necessary) all RecPoint data members
9f616d61 229
ad8cfaf4 230}
88cb7938 231
d15a28e7 232//____________________________________________________________________________
2731cd1e 233void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
b2a60966 234{
235 // Returns the PHOS module in which the RecPoint is found
83974468 236
2731cd1e 237 if( fPHOSMod == 0){
ad8cfaf4 238 Int_t relid[4] ;
88cb7938 239
9a2cdbdf 240 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
d15a28e7 241
92862013 242 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
d15a28e7 243 fPHOSMod = relid[0];
2731cd1e 244 }
d15a28e7 245}
6ad0bfa0 246
4b45b217 247//____________________________________________________________________________
e8d02863 248void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
4b45b217 249{
250 // returns the position of the cluster in the global reference system of ALICE
251 // and the uncertainty on this position
9ee9f78d 252
c307c629 253 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
254 phosgeom->GetGlobalPHOS(this, gpos, gmat);
9ee9f78d 255
4b45b217 256}
257
cf239357 258//______________________________________________________________________________
9f616d61 259void AliPHOSRecPoint::Paint(Option_t *)
260{
b2a60966 261 // Paint this ALiRecPoint as a TMarker with its current attributes
262
263 TVector3 pos(0.,0.,0.) ;
264 GetLocalPosition(pos) ;
265 Coord_t x = pos.X() ;
266 Coord_t y = pos.Z() ;
267 Color_t markercolor = 1 ;
268 Size_t markersize = 1. ;
269 Style_t markerstyle = 5 ;
270
271 if (!gPad->IsBatch()) {
272 gVirtualX->SetMarkerColor(markercolor) ;
273 gVirtualX->SetMarkerSize (markersize) ;
274 gVirtualX->SetMarkerStyle(markerstyle) ;
275 }
276 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
277 gPad->PaintPolyMarker(1,&x,&y,"") ;
9f616d61 278}
88cb7938 279//______________________________________________________________________________
9ee9f78d 280void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const
281{
282 // returns the position of the cluster in the local reference system
283 // of the sub-detector
284
285 pos = fLocPos;
286}
b48eb81e 287
288//____________________________________________________________________________
289void AliPHOSRecPoint::EvalLocal2TrackingCSTransform()
290{
291 //Evaluates local to "tracking" c.s. transformation (B.P.).
292 //All evaluations should be completed before calling for this function.
293 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
294 //or just ask Jouri Belikov. :)
295
296 if(IsEmc()) {
297 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1));
298 }
299 else
76e42795 300 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1));
b48eb81e 301
7af865cb 302 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
b48eb81e 303 Double_t txyz[3] = {0,0,0};
7af865cb 304 Double_t dy;
305 Double_t crystalShift;
306
9a2cdbdf 307 AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance();
7af865cb 308 AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry();
309
310 //Calculate offset to crystal surface.
311 //See fCrystalShift code in AliPHOSGeometry::Init()).
312
a2bb6de5 313 const Float_t * inthermo = geoEMCA->GetInnerThermoHalfSize() ;
314 const Float_t * strip = geoEMCA->GetStripHalfSize() ;
315 const Float_t * splate = geoEMCA->GetSupportPlateHalfSize();
316 const Float_t * crystal = geoEMCA->GetCrystalHalfSize() ;
317 const Float_t * pin = geoEMCA->GetAPDHalfSize() ;
318 const Float_t * preamp = geoEMCA->GetPreampHalfSize() ;
7af865cb 319 crystalShift = -inthermo[1]+strip[1]+splate[1]+crystal[1]-geoEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
320
321 if(IsEmc()) {
322 dy = crystalShift;
323 lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!!
324 }
325 else
326 dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module
327
328 lxyz[1] = lxyz[1] - dy;
b48eb81e 329
330 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
b7575333 331 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found for VolumeID=%d",GetVolumeId()));
b48eb81e 332
333 tr2loc->MasterToLocal(lxyz,txyz);
7e9d90f9 334 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
b48eb81e 335
7af865cb 336 if(AliLog::GetGlobalDebugLevel()>0) {
337 TVector3 gpos; TMatrixF gmat;
338 GetGlobalPosition(gpos,gmat);
339 Float_t gxyz[3];
340 GetGlobalXYZ(gxyz);
341 TString emc;
342 if(IsEmc())
343 emc="EMC";
344 else
345 emc="CPV";
346 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-->(%.3f,%.3f,%.3f), module %d %s",
347 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
348 GetX(),GetY(),GetZ(),
349 gpos.X(),gpos.Y(),gpos.Z(),
350 gxyz[0],gxyz[1],gxyz[2],GetPHOSMod(),emc.Data()));
351 }
352
b48eb81e 353}