2 // Main authors: Matevz Tadel & Alja Mrak-Tadel: 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 "AliEveTPCSectorData.h"
11 #include <AliTPCParamSR.h>
15 //==============================================================================
16 //==============================================================================
17 // AliEveTPCSectorData
18 //==============================================================================
20 //______________________________________________________________________________
22 // Stores data from a fiven TPC sector.
24 // Row addresses grow linearly by radius, there is no separation on
25 // inner/outer segments. The SegmentInfo objects can be used to get
26 // information about low-level segments.
28 // A lot of TPC-sector geometry information is stored as static data.
30 // For accessing data, see for example AliEveTPCSector2DGL::CreateTexture()
34 ClassImp(AliEveTPCSectorData)
36 AliTPCParam* AliEveTPCSectorData::fgParam = 0;
37 Float_t AliEveTPCSectorData::fgZLength = 0;
38 Int_t AliEveTPCSectorData::fgNAllRows = 0;
39 Int_t AliEveTPCSectorData::fgNAllPads = 0;
40 Int_t* AliEveTPCSectorData::fgRowBegs = 0;
42 AliEveTPCSectorData::SegmentInfo AliEveTPCSectorData::fgInnSeg;
43 AliEveTPCSectorData::SegmentInfo AliEveTPCSectorData::fgOut1Seg;
44 AliEveTPCSectorData::SegmentInfo AliEveTPCSectorData::fgOut2Seg;
46 AliEveTPCSectorData::SegmentInfo* AliEveTPCSectorData::fgSegInfoPtrs[3] = {0};
48 /******************************************************************************/
50 void AliEveTPCSectorData::InitStatics()
52 // Initialize static variables.
54 if (fgParam != 0) return;
56 fgParam = new AliTPCParamSR;
57 fgZLength = fgParam->GetZLength(0) + 0.275;
58 fgNAllRows = fgParam->GetNRowLow() + fgParam->GetNRowUp();
60 fgRowBegs = new Int_t[fgNAllRows + 1];
64 for (Int_t i=0; i<fgParam->GetNRowLow(); ++i, ++row)
66 fgRowBegs[row] = fgNAllPads;
67 fgNAllPads += fgParam->GetNPadsLow(i);
69 for (Int_t i=0; i<fgParam->GetNRowUp(); ++i, ++row)
71 fgRowBegs[row] = fgNAllPads;
72 fgNAllPads += fgParam->GetNPadsUp(i);
74 fgRowBegs[fgNAllRows] = fgNAllPads;
77 // Fill SegmentInfos, used by rendering classes.
79 // General paramameters
80 fgInnSeg.fPadWidth = fgParam->GetInnerPadPitchWidth();
81 fgInnSeg.fPadHeight = fgParam->GetInnerPadPitchLength();
82 fgInnSeg.fRLow = fgParam->GetPadRowRadiiLow(0);
83 fgInnSeg.fNRows = fgParam->GetNRowLow();
84 fgInnSeg.fFirstRow = 0;
85 fgInnSeg.fLastRow = fgInnSeg.fNRows - 1;
86 fgInnSeg.fNMaxPads = fgParam->GetNPadsLow(fgInnSeg.fNRows - 1);
87 fgSegInfoPtrs[0] = &fgInnSeg;
89 fgOut1Seg.fPadWidth = fgParam->GetOuterPadPitchWidth();
90 fgOut1Seg.fPadHeight = fgParam->GetOuter1PadPitchLength();
91 fgOut1Seg.fRLow = fgParam->GetPadRowRadiiUp(0);
92 fgOut1Seg.fNRows = fgParam->GetNRowUp1();
93 fgOut1Seg.fFirstRow = fgInnSeg.fNRows;
94 fgOut1Seg.fLastRow = fgOut1Seg.fFirstRow + fgOut1Seg.fNRows - 1;
95 fgOut1Seg.fNMaxPads = fgParam->GetNPadsUp(fgOut1Seg.fNRows - 1);
96 fgSegInfoPtrs[1] = &fgOut1Seg;
98 fgOut2Seg.fPadWidth = fgParam->GetOuterPadPitchWidth();
99 fgOut2Seg.fPadHeight = fgParam->GetOuter2PadPitchLength();
100 fgOut2Seg.fRLow = fgParam->GetPadRowRadiiUp(fgOut1Seg.fNRows);
101 fgOut2Seg.fNRows = fgParam->GetNRowUp() - fgOut1Seg.fNRows;
102 fgOut2Seg.fFirstRow = fgOut1Seg.fLastRow + 1;
103 fgOut2Seg.fLastRow = fgOut2Seg.fFirstRow + fgOut2Seg.fNRows - 1;
104 fgOut2Seg.fNMaxPads = fgParam->GetNPadsUp(fgParam->GetNRowUp() - 1);
105 fgSegInfoPtrs[2] = &fgOut2Seg;
107 // Set stepsize arrays
110 Int_t k=0, npads = fgParam->GetNPadsLow(0);
111 for (Int_t row = 0; row < fgInnSeg.fNRows; ++row)
113 if (fgParam->GetNPadsLow(row) > npads)
115 npads = fgParam->GetNPadsLow(row);
116 fgInnSeg.fYStep[k] = row*fgInnSeg.fPadHeight + fgInnSeg.fRLow;
120 fgInnSeg.fNYSteps = k;
124 Int_t k=0, npads = fgParam->GetNPadsUp(0);
125 for (Int_t row = 0; row < fgOut1Seg.fNRows; ++row)
127 if (fgParam->GetNPadsUp(row) > npads)
129 npads = fgParam->GetNPadsUp(row);
130 fgOut1Seg.fYStep[k] = row*fgOut1Seg.fPadHeight + fgOut1Seg.fRLow ;
134 fgOut1Seg.fNYSteps = k;
138 Int_t k=0, npads = fgParam->GetNPadsUp(fgOut1Seg.fNRows);
139 for (Int_t row = fgOut1Seg.fNRows; row < fgParam->GetNRowUp(); ++row)
141 if (fgParam->GetNPadsUp(row) > npads)
143 npads = fgParam->GetNPadsUp(row);
144 fgOut2Seg.fYStep[k] = (row - fgOut1Seg.fNRows)*fgOut2Seg.fPadHeight + fgOut2Seg.fRLow ;
148 fgOut2Seg.fNYSteps = k;
152 Int_t AliEveTPCSectorData::GetNPadsInRow(Int_t row)
154 // Return number of pads in given row.
156 if (row < 0 || row >= fgNAllRows) return 0;
157 return fgRowBegs[row + 1] - fgRowBegs[row];
160 const AliEveTPCSectorData::SegmentInfo& AliEveTPCSectorData::GetSeg(Int_t seg)
162 // Return reference to segment geometry information.
163 // 0 ~ inner, 1 ~ middle, 2 ~ outer.
165 static const SegmentInfo null;
167 if (seg < 0 || seg > 2)
170 return *fgSegInfoPtrs[seg];
173 /******************************************************************************/
174 // True member functions start here.
175 /******************************************************************************/
177 void AliEveTPCSectorData::NewBlock()
179 // Create new data-block. Position is set to the beginning.
181 fBlocks.push_back(new Short_t[fkBlockSize]);
185 /******************************************************************************/
187 AliEveTPCSectorData::AliEveTPCSectorData(Int_t sector, Int_t bsize) :
188 fSectorID(sector), fNPadsFilled(0), fPads(),
189 fkBlockSize(bsize), fBlockPos(0), fBlocks(),
190 fCurrentRow(0), fCurrentPad(0), fCurrentPos(0), fCurrentStep(0)
194 if (fgParam == 0) InitStatics();
196 fPads.assign(fgNAllPads, PadData());
198 fBlockPos = fkBlockSize; // Enforce creation of a new block.
202 AliEveTPCSectorData::~AliEveTPCSectorData()
206 for (std::vector<Short_t*>::iterator b=fBlocks.begin(); b!=fBlocks.end(); ++b)
210 void AliEveTPCSectorData::DropData()
212 // Drop data, deallocate data-blocks.
214 fPads.assign(fgNAllPads, PadData());
215 for (std::vector<Short_t*>::iterator b=fBlocks.begin(); b!=fBlocks.end(); ++b)
218 fBlockPos = fkBlockSize; // Enforce creation of a new block.
221 /******************************************************************************/
223 void AliEveTPCSectorData::Print(Option_t* /*opt*/) const
225 // Print summary information.
227 printf("AliEveTPCSectorData sector=%d, NPadsFilled=%d, NBlocks=%d, BlockPos=%d\n",
228 fSectorID, fNPadsFilled, (Int_t) fBlocks.size(), fBlockPos);
231 /******************************************************************************/
233 void AliEveTPCSectorData::BeginPad(Int_t row, Int_t pad, Bool_t reverseTime)
235 // Begin filling of pad-data as specified with arguments.
246 //printf("begpad for row=%d pad=%d\n buf=%p pos=%d step=%d\n",
247 // fCurrentRow, fCurrentPad,
248 // fPadBuffer, fCurrentPos, fCurrentStep);
251 void AliEveTPCSectorData::EndPad(Bool_t autoPedestal, Short_t threshold)
253 // End filling of pad-data. At this point data is compressed and moved
254 // into the cuurent position in memory block.
257 if (fCurrentStep > 0) {
259 end = fPadBuffer + fCurrentPos;
261 beg = fPadBuffer + fCurrentPos + 2;
262 end = fPadBuffer + 2048;
265 //printf("endpad for row=%d pad=%d\n buf=%p beg=%p end=%p pos=%d step=%d\n",
266 // fCurrentRow, fCurrentPad,
267 // fPadBuffer, beg, end, fCurrentPos, fCurrentStep);
276 array[(val-beg)/2] = *val;
279 Short_t pedestal = TMath::Nint(TMath::Median((end-beg)/2, array));
288 if (rpos[1] >= threshold) {
301 // Compress pad buffer
303 Short_t* spos = rpos;
307 if (rpos >= end || *rpos > t + 1 || t == 0)
311 Short_t n = t - spos[0] + 1;
320 wpos += 3; spos += 3;
328 // Copy buffer to storage, set PadData
330 Short_t len = wpos - beg;
331 if (len > fkBlockSize - fBlockPos)
333 Short_t *dest = fBlocks.back() + fBlockPos;
334 memcpy(dest, beg, len*sizeof(Short_t));
337 PadData& pad = fPads[PadIndex(fCurrentRow, fCurrentPad)];
338 pad.SetDataLength(dest, len);
344 /******************************************************************************/
346 const AliEveTPCSectorData::PadData& AliEveTPCSectorData::GetPadData(Int_t padAddr) const
348 // Get pad-data reference by absolute index.
350 static const PadData kNull;
352 if (padAddr < 0 || padAddr >= fgNAllPads) return kNull;
353 return fPads[padAddr];
356 const AliEveTPCSectorData::PadData& AliEveTPCSectorData::GetPadData(Int_t row, Int_t pad) const
358 // Get pad-data reference by row and pad number.
360 static const PadData kNull;
362 Int_t np = GetNPadsInRow(row);
363 if (np == 0 || pad < 0 || pad >= np) return kNull;
364 return GetPadData(fgRowBegs[row] + pad);
367 AliEveTPCSectorData::PadIterator AliEveTPCSectorData::MakePadIterator(Int_t padAddr, Short_t thr)
369 // Get pad-data iterator by absolute index.
371 return PadIterator(GetPadData(padAddr), thr);
374 AliEveTPCSectorData::PadIterator AliEveTPCSectorData::MakePadIterator(Int_t row, Int_t pad, Short_t thr)
376 // Get pad-data iterator by row and pad number.
378 return PadIterator(GetPadData(row, pad), thr);
381 AliEveTPCSectorData::RowIterator AliEveTPCSectorData::MakeRowIterator(Int_t row, Short_t thr)
385 Short_t npads = GetNPadsInRow(row);
387 return RowIterator(&fPads[fgRowBegs[row]], npads, thr);
389 return RowIterator(0, 0);
392 /******************************************************************************/
393 // AliEveTPCSectorData::PadData
394 /******************************************************************************/
396 void AliEveTPCSectorData::PadData::Print(Option_t* /*opt*/)
398 // Print summary information.
400 printf("addr=%p, len=%hd>\n", (void*)fData, fLength);
401 for (Int_t i=0; i<fLength; ++i)
402 printf(" %3d %hd\n", i, fData[i]);
405 /******************************************************************************/
406 // AliEveTPCSectorData::PadIterator
407 /******************************************************************************/
409 Bool_t AliEveTPCSectorData::PadIterator::Next()
411 // Move iterator to next signal above the iteration threshold.
412 // Returns false when the end of data is reached.
414 if (fPos >= fEnd) return kFALSE;
418 fSignal = *fPos; ++fPos;
426 fNChunk = fPos[1] - 1;
431 return (fSignal > fThreshold) ? kTRUE : Next();
434 void AliEveTPCSectorData::PadIterator::Reset()
436 // Return to the beginning of the pad-data. Must call Next() to get to
437 // the first stored signal.
445 void AliEveTPCSectorData::PadIterator::Reset(const PadData& pd)
447 // Reinitialize to new pad-data. Must call Next() to get to the
448 // first stored signal.
451 fEnd = pd.Data() + pd.Length();
456 void AliEveTPCSectorData::PadIterator::Test()
459 printf(" %3d %d\n", fTime, fSignal);
462 /******************************************************************************/
463 // AliEveTPCSectorData::RowIterator
464 /******************************************************************************/
466 Bool_t AliEveTPCSectorData::RowIterator::NextPad()
468 // Move iterator to next pad.
471 if(fPad >= fNPads) return kFALSE;
472 Reset(fPadArray[fPad]);
476 void AliEveTPCSectorData::RowIterator::ResetRow()
478 // Return to the beginning of the row. Must call NextPad() to get to
484 void AliEveTPCSectorData::RowIterator::ResetRow(const PadData* first, Short_t npads)
486 // Reinitialize to another pad-data array. Must call NextPad() to
487 // get to the zeroth pad.
494 /******************************************************************************/
495 // AliEveTPCSectorData::SegmentInfo
496 /******************************************************************************/
498 //______________________________________________________________________________
500 // Stores geometry data about a segment needed for fast data-access
503 ClassImp(AliEveTPCSectorData::SegmentInfo)
505 AliEveTPCSectorData::SegmentInfo::SegmentInfo() :
508 fPadWidth(0), fPadHeight(0),
509 fRLow(0), fNRows(0), fFirstRow(0), fLastRow(0),
515 memset(fYStep, sizeof(fYStep), 0);