2 // Main authors: Matevz Tadel & Alja Mrak-Tadel & Bogdan Vulpescu: 2006, 2007
4 /**************************************************************************
5 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
6 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
7 * full copyright notice. *
8 **************************************************************************/
10 #include "AliEveMUONChamberData.h"
12 #include <AliMUONGeometryTransformer.h>
13 #include <mapping/AliMpDEIterator.h>
14 #include <mapping/AliMpSectorSegmentation.h>
15 #include <mapping/AliMpSector.h>
16 #include <mapping/AliMpPad.h>
17 #include <mapping/AliMpSegmentation.h>
21 #include <EveBase/AliEveEventManager.h>
23 ///////////////////////////////////////////////////////////////////////////////
25 /// AliEveMUONChamberData: geometry and digits
27 ///////////////////////////////////////////////////////////////////////////////
30 ClassImp(AliEveMUONChamberData)
32 AliMUONGeometryTransformer* AliEveMUONChamberData::fgTransformer = 0;
34 //______________________________________________________________________________
35 AliEveMUONChamberData::AliEveMUONChamberData(Int_t chamber) :
47 AliEveEventManager *event = gAliEveEvent;
49 TString dataPath = TString(event->GetTitle());
50 dataPath.Append("/geometry.root");
58 for (Int_t i = 0; i < 26; i++) {
59 for (Int_t j = 0; j < 4; j++) {
60 fFrameCoord[i][j] = 0.0;
63 for (Int_t i = 0; i < 7*4096; i++) {
64 fDigitBuffer[i] = 0.0;
66 for (Int_t i = 0; i < 5*256; i++) {
67 fClusterBuffer[i] = 0.0;
69 for (Int_t i = 0; i < 3*256; i++) {
73 for (Int_t i = 0; i < 3; i++) {
74 fChamberBox[i*2 ] = +9999;
75 fChamberBox[i*2+1] = -9999;
78 if (fgTransformer == 0) {
79 fgTransformer = new AliMUONGeometryTransformer();
80 fgTransformer->LoadGeometryData(dataPath.Data());
87 //______________________________________________________________________________
88 AliEveMUONChamberData::~AliEveMUONChamberData()
96 //______________________________________________________________________________
97 void AliEveMUONChamberData::DropData()
100 // release the chamber data
111 //______________________________________________________________________________
112 void AliEveMUONChamberData::Init(Int_t chamber)
115 // initialize the drawing coordinates of the chamber
118 Float_t locP[3], gloP[3], locD[3], gloD[3];
119 Float_t deltax, deltay;
121 const AliMpVSegmentation *vseg;
122 const AliMpSectorSegmentation *sseg;
123 const AliMpSector *sector;
127 for ( it.First(chamber); ! it.IsDone(); it.Next() ) {
129 Int_t detElemId = it.CurrentDEId();
133 sseg = (AliMpSectorSegmentation*)
134 AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath0);
135 sector = sseg->GetSector();
137 position = sector->Position();
138 dimension = sector->Dimensions(); // half length
140 locP[0] = position.Px();
141 locP[1] = position.Py();
142 locD[0] = dimension.Px() * 2.;
143 locD[1] = dimension.Py() * 2.;
148 fgTransformer->Local2Global(detElemId,
149 locP[0], locP[1], locP[2],
150 gloP[0], gloP[1], gloP[2]);
152 fgTransformer->Local2Global(detElemId,
153 locD[0], locD[1], locD[2],
154 gloD[0], gloD[1], gloD[2]);
156 fFrameCoord[fNDetElem][0] = gloP[0];
157 fFrameCoord[fNDetElem][1] = gloP[1];
158 fFrameCoord[fNDetElem][2] = gloD[0];
159 fFrameCoord[fNDetElem][3] = gloD[1];
160 fFrameCoord[fNDetElem][4] = gloP[2]; // Z position
162 fChamberBox[0] = TMath::Min(fChamberBox[0],gloP[0]-gloD[0]);
163 fChamberBox[1] = TMath::Max(fChamberBox[1],gloP[0]+gloD[0]);
164 fChamberBox[2] = TMath::Min(fChamberBox[2],gloP[1]-gloD[1]);
165 fChamberBox[3] = TMath::Max(fChamberBox[3],gloP[1]+gloD[1]);
166 fChamberBox[4] = TMath::Min(fChamberBox[4],gloP[2]);
167 fChamberBox[5] = TMath::Max(fChamberBox[5],gloP[2]);
171 // if (!fgSegmentation->HasDE(detElemId)) {
172 // printf("Segmentation has no %d detElemId! \n",detElemId);
176 vseg = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath0);
179 printf("No MpVSegmentation for %d detElemId! \n",detElemId);
183 deltax = vseg->Dimensions().X();
184 deltay = vseg->Dimensions().Y();
193 fgTransformer->Local2Global(detElemId,
194 locP[0], locP[1], locP[2],
195 gloP[0], gloP[1], gloP[2]);
197 fgTransformer->Local2Global(detElemId,
198 locD[0], locD[1], locD[2],
199 gloD[0], gloD[1], gloD[2]);
201 fFrameCoord[fNDetElem][0] = gloP[0];
202 fFrameCoord[fNDetElem][1] = gloP[1];
203 fFrameCoord[fNDetElem][2] = gloD[0];
204 fFrameCoord[fNDetElem][3] = gloD[1];
205 fFrameCoord[fNDetElem][4] = gloP[2]; // Z position
207 fChamberBox[0] = TMath::Min(fChamberBox[0],gloP[0]);
208 fChamberBox[0] = TMath::Min(fChamberBox[0],gloD[0]);
209 fChamberBox[1] = TMath::Max(fChamberBox[1],gloP[0]);
210 fChamberBox[1] = TMath::Max(fChamberBox[1],gloD[0]);
211 fChamberBox[2] = TMath::Min(fChamberBox[0],gloP[1]);
212 fChamberBox[2] = TMath::Min(fChamberBox[0],gloD[1]);
213 fChamberBox[3] = TMath::Max(fChamberBox[1],gloP[1]);
214 fChamberBox[3] = TMath::Max(fChamberBox[1],gloD[1]);
215 fChamberBox[4] = TMath::Min(fChamberBox[4],gloP[2]);
216 fChamberBox[5] = TMath::Max(fChamberBox[5],gloP[2]);
222 } // end detElemId loop
226 //______________________________________________________________________________
227 void AliEveMUONChamberData::RegisterDigit(Int_t detElemId, Int_t cathode, Int_t ix, Int_t iy, Int_t charge)
230 // add a digit to this chamber
233 if ((fNDigits/7) == (4096-1)) return;
235 Float_t locP[3], gloP[3], locD[3], gloD[3];
237 const AliMpVSegmentation* vseg = AliMpSegmentation::Instance()
238 ->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode));
240 AliMpPad pad = vseg->PadByIndices(AliMpIntPair(ix,iy),kTRUE);
242 locP[0] = pad.Position().X();
243 locP[1] = pad.Position().Y();
244 locD[0] = pad.Dimensions().X();
245 locD[1] = pad.Dimensions().Y();
250 fgTransformer->Local2Global(detElemId,
251 locP[0], locP[1], locP[2],
252 gloP[0], gloP[1], gloP[2]);
258 if (cathode == 0) gloP[2] += 0.1;
259 if (cathode == 1) gloP[2] -= 0.1;
261 fDigitBuffer[fNDigits ] = gloP[0];
262 fDigitBuffer[fNDigits+1] = gloP[1];
263 fDigitBuffer[fNDigits+2] = gloD[0];
264 fDigitBuffer[fNDigits+3] = gloD[1];
265 fDigitBuffer[fNDigits+4] = gloP[2];
266 fDigitBuffer[fNDigits+5] = charge;
267 fDigitBuffer[fNDigits+6] = cathode;
273 //______________________________________________________________________________
274 void AliEveMUONChamberData::RegisterCluster(Int_t /*detElemId*/, Int_t cathode, Float_t clsX, Float_t clsY, Float_t clsZ, Float_t charge)
277 // add a reconstructed point (cluster) to this chamber
279 // identical clusters are registered for both cathode planes ...
282 if ((fNClusters/5) == (256-1)) return;
284 fClusterBuffer[fNClusters ] = clsX;
285 fClusterBuffer[fNClusters+1] = clsY;
286 fClusterBuffer[fNClusters+2] = clsZ;
287 fClusterBuffer[fNClusters+3] = charge;
288 fClusterBuffer[fNClusters+4] = cathode;
294 //______________________________________________________________________________
295 void AliEveMUONChamberData::RegisterHit(Int_t /*detElemId*/, Float_t hitX, Float_t hitY, Float_t hitZ)
298 // add a simulation hit to this chamber
301 if ((fNHits/3) == (256-1)) return;
303 fHitBuffer[fNHits ] = hitX;
304 fHitBuffer[fNHits+1] = hitY;
305 fHitBuffer[fNHits+2] = hitZ;