3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////
9 // Manager class for TPC parameters //
10 ////////////////////////////////////////////////
12 #include "AliDetectorParam.h"
15 #include <TGeoMatrix.h>
20 class AliTPCParam : public AliDetectorParam {
21 //////////////////////////////////////////////////////
22 //////////////////////////////////////////////////////
23 //ALITPCParam object to be possible change
24 //geometry and some other parameters of TPC
25 //used by AliTPC and AliTPCSector
29 virtual ~AliTPCParam();
30 TGeoHMatrix * Tracking2LocalMatrix(const TGeoHMatrix * geoMatrix, Int_t sector) const;
31 virtual Bool_t Transform(Float_t *xyz, Int_t *index, Int_t* oindex);
32 //transformation from input coodination system to output coordination system
33 Int_t Transform0to1(Float_t *xyz, Int_t *index) const;
34 //trasforamtion from global to global - adjust index[0] sector
35 //return value is equal to sector corresponding to global position
36 void Transform1to2Ideal(Float_t *xyz, Int_t *index) const;
37 //transformation to rotated coordinata - ideal frame
38 void Transform1to2(Float_t *xyz, Int_t *index) const;
39 //transformation to rotated coordinata
40 void Transform2to1(Float_t *xyz, Int_t *index) const;
41 //transformation from rotated coordinata to global coordinata
42 void Transform2to2(Float_t *xyz, Int_t *index, Int_t *oindex) const;
43 //transform rotated coordinata of one sector to rotated
44 //coordinata relative to another sector
45 Float_t Transform2to2NearestWire(Float_t *xyz, Int_t *index) const;
46 //round x position to nearest wire
47 Int_t Transform2to3(Float_t *xyz, Int_t *index) const;
48 //calulate coresponding index[2] -pad row for straight rows
49 //does not change xyz[]
51 void Transform3to4(Float_t *xyz, Int_t *index) const;
52 //valid only for straight rows straight rows
53 //calculate xyz[0] position relative to given index
55 void Transform4to3(Float_t *xyz, Int_t *index) const;
56 //valid only for straight rows straight rows
57 //transform xyz[0] position relative to given index
58 void Transform2to5( Float_t *xyz, Int_t *index) const;
59 //transform [x,y,z] to [r,rphi,z]
60 void Transform5to2(Float_t *xyz, Int_t *index) const;
61 //transform [r,rphi,z] coordinata to [x,y,z]
62 void Transform4to8(Float_t *xyz, Int_t *index) const;
63 //transform xyz coordinata to 'digit' coordinata
64 void Transform8to4(Float_t *xyz, Int_t *index) const;
65 //transform 'digit' coordinata to xyz coordinata
66 void Transform6to8(Float_t *xyz, Int_t *index) const;
67 //transform dr,f coordinata to 'digit' coordinata
68 void Transform8to6(Float_t *xyz, Int_t *index) const;
69 //transform 'digit' coordinata to dr,f coordinata
71 virtual Int_t Transform2toPadRow(Float_t */*xyz*/, Int_t */*index*/) const{return 0;}
72 //transform rotated to
74 virtual Int_t GetPadRow(Float_t *xyz, Int_t *index) const ;
75 //return pad row of point xyz - xyz is given in coordinate system -(given by index)
76 //output system is 3 for straight row and 7 for cylindrical row
77 virtual void XYZtoCRXYZ(Float_t */*xyz*/,
78 Int_t &/*sector*/, Int_t &/*padrow*/, Int_t /*option*/) const {;}
79 //transform global position to the position relative to the sector padrow
80 //if option=0 X calculate absolute calculate sector
81 //if option=1 X absolute use input sector
82 //if option=2 X relative to pad row calculate sector
83 //if option=3 X relative use input sector
85 virtual void CRXYZtoXYZ(Float_t */*xyz*/,
86 const Int_t &/*sector*/, const Int_t & /*padrow*/, Int_t /*option*/) const {;}
87 //transform relative position to the gloabal position
89 virtual void CRTimePadtoYZ(Float_t &/*y*/, Float_t &/*z*/,
90 const Float_t &/*time*/, const Float_t &/*pad*/,
91 Int_t /*sector*/, Int_t /*padrow*/ ){;}
92 //transform position in digit units (time slices and pads) to "normal"
94 virtual void CRYZtoTimePad(const Float_t &/*y*/, const Float_t &/*z*/,
95 Float_t &/*time*/, Float_t &/*pad*/,
96 Int_t /*sector*/, Int_t /*padrow*/){;}
97 //transform position in cm to position in digit unit
98 virtual Int_t CalcResponse(Float_t* /*x*/, Int_t * /*index*/, Int_t /*row*/){return 0;}
99 //calculate bin response as function of the input position -x and the weight
100 //if row -pad row is equal -1 calculate response for each pad row
101 //otherwise it calculate only in given pad row
102 //return number of valid response bin
103 virtual void SetDefault(); //set defaut TPCparam
104 virtual Bool_t Update(); //recalculate and check geometric parameters
105 virtual Bool_t ReadGeoMatrices(); //read geo matrixes
106 Bool_t GetStatus() const; //get information about object consistency
107 Int_t GetIndex(Int_t sector, Int_t row) const; //give index of the given sector and pad row
108 Int_t GetNSegmentsTotal() const {return fNtRows;}
109 Double_t GetLowMaxY(Int_t irow) const {return irow*0.;}
110 Double_t GetUpMaxY(Int_t irow) const {return irow*0;}
111 //additional geometrical function - for Belikov
113 Bool_t AdjustSectorRow(Int_t index, Int_t & sector, Int_t &row) const; //return sector and padrow
116 void AdjustCosSin(Int_t isec, Float_t &cos, Float_t &sin) const;
117 //set cosinus and sinus of rotation angles for sector isec
118 Float_t GetAngle(Int_t isec) const;
119 // void GetChamberPos(Int_t isec, Float_t* xyz) const;
120 // void GetChamberRot(Int_t isec, Float_t* angles) const;
122 //set sector parameters
124 void SetInnerRadiusLow(Float_t InnerRadiusLow ) { fInnerRadiusLow=InnerRadiusLow;}
125 void SetOuterRadiusLow(Float_t OuterRadiusLow ) { fOuterRadiusLow=OuterRadiusLow;}
126 void SetInnerRadiusUp(Float_t InnerRadiusUp) { fInnerRadiusUp= InnerRadiusUp;}
127 void SetOuterRadiusUp(Float_t OuterRadiusUp) { fOuterRadiusUp= OuterRadiusUp;}
128 void SetSectorAngles(Float_t innerangle, Float_t innershift, Float_t outerangle,
130 void SetInnerFrameSpace(Float_t frspace) {fInnerFrameSpace = frspace;}
131 void SetOuterFrameSpace(Float_t frspace) {fOuterFrameSpace = frspace;}
132 void SetInnerWireMount(Float_t fmount) {fInnerWireMount = fmount;}
133 void SetOuterWireMount(Float_t fmount) {fOuterWireMount = fmount;}
134 void SetZLength(Float_t zlength) {fZLength = zlength;}
135 void SetGeometryType(Int_t type) {fGeometryType = type;}
139 void SetRowNLow( Int_t NRowLow){fNRowLow = NRowLow;}
140 void SetRowNUp1 (Int_t NRowUp1){fNRowUp1 = NRowUp1 ;} //upper sec short pads
141 void SetRowNUp2 (Int_t NRowUp2){fNRowUp2 = NRowUp2 ;} //upper sec long pads
142 void SetRowNUp (Int_t NRowUp){fNRowUp = NRowUp ;}
144 //set wire parameters
146 void SetInnerNWires(Int_t nWires){ fNInnerWiresPerPad=nWires;}
147 void SetInnerDummyWire(Int_t dummy) {fInnerDummyWire = dummy;}
148 void SetInnerOffWire(Float_t offset) {fInnerOffWire =offset;}
149 void SetOuter1NWires(Int_t nWires){ fNOuter1WiresPerPad=nWires;}
150 void SetOuter2NWire(Int_t nWires){ fNOuter2WiresPerPad=nWires;}
151 void SetOuterDummyWire(Int_t dummy) {fOuterDummyWire = dummy;}
152 void SetOuterOffWire(Float_t offset) {fOuterOffWire =offset;}
153 void SetInnerWWPitch( Float_t wwPitch) {fInnerWWPitch = wwPitch;}
154 void SetRInnerFirstWire(Float_t firstWire){fRInnerFirstWire = firstWire;}
155 void SetRInnerLastWire(Float_t lastWire){fRInnerLastWire = lastWire;}
156 void SetOuterWWPitch(Float_t wwPitch){fOuterWWPitch = wwPitch;}
157 void SetLastWireUp1(Float_t wireUp1){fLastWireUp1 = wireUp1;}
158 void SetROuterFirstWire(Float_t firstWire){fROuterFirstWire = firstWire;}
159 void SetROuterLastWire(Float_t lastWire){fROuterLastWire = lastWire;}
163 void SetInnerPadPitchLength(Float_t PadPitchLength){ fInnerPadPitchLength=PadPitchLength;}
164 void SetInnerPadPitchWidth(Float_t PadPitchWidth){ fInnerPadPitchWidth = PadPitchWidth;}
165 void SetInnerPadLength(Float_t PadLength){ fInnerPadLength=PadLength;}
166 void SetInnerPadWidth(Float_t PadWidth) { fInnerPadWidth=PadWidth;}
167 void SetOuter1PadPitchLength(Float_t PadPitchLength){ fOuter1PadPitchLength=PadPitchLength;}
168 void SetOuter2PadPitchLength(Float_t PadPitchLength){ fOuter2PadPitchLength=PadPitchLength;}
169 void SetOuterPadPitchWidth(Float_t PadPitchWidth){ fOuterPadPitchWidth = PadPitchWidth;}
170 void SetOuter1PadLength(Float_t PadLength){ fOuter1PadLength=PadLength;}
171 void SetOuter2PadLength(Float_t PadLength){ fOuter2PadLength=PadLength;}
172 void SetOuterPadWidth(Float_t PadWidth) { fOuterPadWidth=PadWidth;}
173 void SetMWPCReadout(Bool_t type) {fBMWPCReadout = type;}
174 void SetNCrossRows(Int_t rows){fNCrossRows = rows;}
178 void SetDiffT(Float_t DiffT){ fDiffT= DiffT;}
179 void SetDiffL(Float_t DiffL){ fDiffL=DiffL;}
180 void SetGasGain(Float_t GasGain){ fGasGain=GasGain;}
181 void SetDriftV(Float_t DriftV){ fDriftV= DriftV;}
182 void SetOmegaTau(Float_t OmegaTau){ fOmegaTau=OmegaTau;}
183 void SetAttCoef(Float_t AttCoef){ fAttCoef=AttCoef;}
184 void SetOxyCont(Float_t OxyCont){ fOxyCont=OxyCont;}
185 void SetGainSlopesHV(TGraphErrors * gainSlopesHV){ fGainSlopesHV=gainSlopesHV;}
186 void SetGainSlopesPT(TGraphErrors * gainSlopesPT){ fGainSlopesPT=gainSlopesPT;}
187 void SetNominalGainSlopes();
188 void SetComposition(Float_t c1, Float_t c2, Float_t c3, Float_t c4, Float_t c5, Float_t c6){fComposition[0]=c1;
194 void SetFpot(Float_t fpot){fFpot=fpot;}
195 void SetNprim(Float_t prim){fNprim=prim;}
196 void SetNtot(Float_t ntot){fNtot=ntot;}
197 void SetWmean(Float_t wmean){fWmean=wmean;}
198 void SetExp(Float_t exp){fExp=exp;}
199 void SetEend(Float_t end){fEend=end;}
200 void SetBetheBloch(TVectorD *v){
201 if (fBetheBloch) delete fBetheBloch;
203 if (v) fBetheBloch=new TVectorD(*v);
205 static TVectorD * GetBetheBlochParamNa49();
206 static TVectorD * GetBetheBlochParamAlice();
207 static void RegisterBBParam(TVectorD* param, Int_t position);
209 //set electronivc parameters
211 void SetPadCoupling(Float_t PadCoupling){ fPadCoupling=PadCoupling;}
212 void SetZeroSup(Int_t ZeroSup) { fZeroSup=ZeroSup;}
213 void SetNoise(Float_t Noise ) { fNoise= Noise;}
214 void SetChipGain(Float_t ChipGain){ fChipGain= ChipGain;}
215 void SetChipNorm(Float_t ChipNorm){ fChipNorm= ChipNorm;}
216 void SetTSample(Float_t TSample) { fTSample=TSample;}
217 void SetTFWHM(Float_t fwhm) { fTSigma=fwhm/2.35;}
218 void SetMaxTBin(Int_t maxtbin) { fMaxTBin = maxtbin;}
219 void SetADCSat(Int_t adcsat) { fADCSat = adcsat;}
220 void SetADCDynRange(Float_t adcdynrange) {fADCDynRange = adcdynrange;}
222 // High voltage parameters
224 void SetNominalVoltage(Float_t v, UInt_t i) {if (i<72) fNominalVoltage[i]=v;}
225 void SetMaxVoltageDeviation(Float_t voltage) { fMaxVoltageDeviation=voltage; }
226 void SetMaxDipVoltage(Float_t voltage) { fMaxDipVoltage=voltage; }
227 void SetMaxFractionHVbad(Float_t frac ) { fMaxHVfractionBad=frac; }
228 void SetVoltageDipScanPeriod(Float_t period) { fVoltageDipScanPeriod=period; }
230 //set response parameters
232 void SetNResponseMax(Int_t max) { fNResponseMax = max;}
233 void SetResponseThreshold(Int_t threshold) {fResponseThreshold = threshold;}
235 void SetGateDelay(Float_t delay) {fGateDelay = delay;}
236 void SetL1Delay(Float_t delay) {fL1Delay = delay;}
237 void SetNTBinsBeforeL1(UShort_t nbins) {fNTBinsBeforeL1 = nbins;}
239 //get sector parameters
241 Float_t GetInnerRadiusLow() const {return fInnerRadiusLow;}
242 Float_t GetInnerRadiusUp() const {return fInnerRadiusUp;}
243 Float_t GetOuterRadiusLow() const {return fOuterRadiusLow;}
244 Float_t GetOuterRadiusUp() const {return fOuterRadiusUp;}
245 Float_t GetInnerFrameSpace() const {return fInnerFrameSpace;}
246 Float_t GetOuterFrameSpace() const {return fOuterFrameSpace;}
247 Float_t GetInnerWireMount() const {return fInnerWireMount;}
248 Float_t GetOuterWireMount() const {return fOuterWireMount;}
249 Float_t GetInnerAngle() const ;
250 Float_t GetInnerAngleShift() const ;
251 Float_t GetOuterAngle() const ;
252 Float_t GetOuterAngleShift() const ;
253 Int_t GetNInnerSector() const {return fNInnerSector;}
254 Int_t GetNOuterSector() const {return fNOuterSector;}
255 Int_t GetNSector() const {return fNSector;}
256 Float_t GetZLength(Int_t sector=0) const;
257 Int_t GetGeometryType() const {return fGeometryType;}
260 //get wires parameter
262 Int_t GetInnerNWires() const {return fNInnerWiresPerPad;}
263 Float_t GetInnerWWPitch() const {return fInnerWWPitch;}
264 Int_t GetInnerDummyWire() const {return fInnerDummyWire;}
265 Float_t GetInnerOffWire() const {return fInnerOffWire;}
266 Float_t GetRInnerFirstWire() const {return fRInnerFirstWire;}
267 Float_t GetRInnerLastWire() const {return fRInnerLastWire;}
268 Int_t GetOuter1NWires() const {return fNOuter1WiresPerPad;}
269 Int_t GetOuter2NWires() const {return fNOuter2WiresPerPad;}
270 Float_t GetOuterWWPitch() const {return fOuterWWPitch;}
271 Int_t GetOuterDummyWire() const {return fOuterDummyWire;}
272 Float_t GetOuterOffWire() const {return fOuterOffWire;}
273 Float_t GetLastWireUp1() const {return fLastWireUp1;}
274 Float_t GetROuterFirstWire() const {return fROuterFirstWire;}
275 Float_t GetROuterLastWire() const {return fROuterLastWire;}
276 Float_t GetWWPitch(Int_t isector = 0) const {
277 return ( (isector < fNInnerSector) ? fInnerWWPitch :fOuterWWPitch);}
281 Float_t GetInnerPadPitchLength() const {return fInnerPadPitchLength;}
282 Float_t GetInnerPadPitchWidth() const {return fInnerPadPitchWidth;}
283 Float_t GetInnerPadLength() const {return fInnerPadLength;}
284 Float_t GetInnerPadWidth() const {return fInnerPadWidth;}
285 Float_t GetOuter1PadPitchLength() const {return fOuter1PadPitchLength;}
286 Float_t GetOuter2PadPitchLength() const {return fOuter2PadPitchLength;}
287 Float_t GetOuterPadPitchWidth() const {return fOuterPadPitchWidth;}
288 Float_t GetOuter1PadLength() const {return fOuter1PadLength;}
289 Float_t GetOuter2PadLength() const {return fOuter2PadLength;}
290 Float_t GetOuterPadWidth() const {return fOuterPadWidth;}
291 Bool_t GetMWPCReadout() const {return fBMWPCReadout;}
292 Int_t GetNCrossRows() const {return fNCrossRows;}
293 Float_t GetPadPitchWidth(Int_t isector = 0) const {
294 return ( (isector < fNInnerSector) ? fInnerPadPitchWidth :fOuterPadPitchWidth);}
295 Float_t GetPadPitchLength(Int_t isector = 0, Int_t padrow=0) const
296 { if (isector < fNInnerSector) return fInnerPadPitchLength;
297 else return ((padrow<fNRowUp1) ? fOuter1PadPitchLength:fOuter2PadPitchLength);}
298 Int_t GetNRowLow() const; //get the number of pad rows in low sector
299 Int_t GetNRowUp() const; //get the number of pad rows in up sector
300 Int_t GetNRowUp1() const; // number of short rows in up sector
301 Int_t GetNRowUp2() const; // number of long rows in up sector
302 Int_t GetNRow(Int_t isec) const {return ((isec<fNInnerSector) ? fNRowLow:fNRowUp);}
303 Int_t GetNRowsTotal() const {return fNtRows;} //get total nuber of rows
304 Float_t GetPadRowRadiiLow(Int_t irow) const; //get the pad row (irow) radii
305 Float_t GetPadRowRadiiUp(Int_t irow) const; //get the pad row (irow) radii
306 Float_t GetPadRowRadii(Int_t isec,Int_t irow) const {
307 return ( (isec < fNInnerSector) ?GetPadRowRadiiLow(irow):GetPadRowRadiiUp(irow));}
308 //retrun radii of the pad row irow in sector i
309 Int_t GetNPadsLow(Int_t irow) const; //get the number of pads in row irow
310 Int_t GetNPadsUp(Int_t irow) const; //get the number of pads in row irow
311 Int_t GetNPads(Int_t isector,Int_t irow) const{
312 return ( (isector < fNInnerSector) ?GetNPadsLow(irow) : GetNPadsUp(irow));}
313 Int_t GetWireSegment(Int_t sector, Int_t row) const ; // get Anode wire segment index IROC --> [0,4], OROC[0,7]
314 Int_t GetNPadsPerSegment(Int_t segmentID) const; // get number of pads for a given Anode wire segment
316 Float_t GetYInner(Int_t irow) const; // wire length in low sec row
317 Float_t GetYOuter(Int_t irow) const; // wire length in up sec row
318 Int_t GetSectorIndex(Float_t angle, Int_t row, Float_t z) const; // get sector index
319 Float_t GetChamberCenter(Int_t isec, Float_t * center = 0) const; // get readout chamber positions
320 TGeoHMatrix *GetTrackingMatrix(Int_t isec) const {
321 return fTrackingMatrix[isec];}
322 TGeoHMatrix *GetClusterMatrix(Int_t isec) const {
323 return fClusterMatrix[isec];}
324 TGeoHMatrix *GetGlobalMatrix(Int_t isec) const {
325 return fGlobalMatrix[isec];}
326 Bool_t IsGeoRead(){ return fGlobalMatrix!=0;}
330 Float_t GetDiffT() const {return fDiffT;}
331 Float_t GetDiffL() const {return fDiffL;}
332 Float_t GetGasGain() const {return fGasGain;}
333 Float_t GetDriftV() const {return fDriftV;}
334 Float_t GetOmegaTau() const {return fOmegaTau;}
335 Float_t GetAttCoef() const {return fAttCoef;}
336 Float_t GetOxyCont() const {return fOxyCont;}
337 TGraphErrors * GetGainSlopesHV() const { return fGainSlopesHV;}
338 TGraphErrors * GetGainSlopesPT() const { return fGainSlopesPT;}
339 Float_t* GetComposition() {return fComposition;}
340 Float_t GetFpot()const {return fFpot;}
341 Float_t GetNprim() const {return fNprim;}
342 Float_t GetNtot() const {return fNtot;}
343 Float_t GetWmean()const {return fWmean;}
344 Float_t GetExp()const {return fExp;}
345 Float_t GetEend()const {return fEend;}
346 TVectorD* GetBetheBlochParameters(){return fBetheBloch;}
347 static Double_t BetheBlochAleph(Double_t bb, Int_t type=0);
349 //get Electronic parameters
351 Float_t GetPadCoupling() const {return fPadCoupling;}
352 Int_t GetZeroSup() const {return fZeroSup;}
353 Float_t GetNoise() const {return fNoise;}
354 Float_t GetChipGain() const {return fChipGain;}
355 Float_t GetChipNorm() const {return fChipNorm;}
356 Float_t GetTSample() const {return fTSample;}
357 Float_t GetZWidth() const {return fZWidth;}
358 Float_t GetTFWHM() const {return fTSigma*2.35;}
359 Float_t GetZSigma() const {return fTSigma*fDriftV;}
360 virtual Float_t GetZOffset() const {return 3*fTSigma*fDriftV;}
361 Int_t GetMaxTBin() const {return fMaxTBin;}
362 Int_t GetADCSat() const {return fADCSat;}
363 Float_t GetADCDynRange() const {return fADCDynRange;}
364 Float_t GetTotalNormFac() const {return fTotalNormFac;}
365 Float_t GetNoiseNormFac() const {return fNoiseNormFac;}
367 // High voltage parameters
369 Float_t GetNominalVoltage(UInt_t i) const {return (i<72)?fNominalVoltage[i]:0;} //0-35:IROC, 36-71:OROC
370 Float_t GetMaxVoltageDeviation() const { return fMaxVoltageDeviation; }
371 Float_t GetMaxDipVoltage() const { return fMaxDipVoltage; }
372 Float_t GetMaxFractionHVbad() const { return fMaxHVfractionBad; }
373 Float_t GetVoltageDipScanPeriod() const { return fVoltageDipScanPeriod; }
378 Int_t * GetResBin(Int_t i);
379 //return response bin i - bin given by padrow [0] pad[1] timebin[2]
380 Float_t & GetResWeight(Int_t i);
381 //return weight of response bin i
384 Float_t GetGateDelay() const {return fGateDelay;}
385 Float_t GetL1Delay() const {return fL1Delay;}
386 UShort_t GetNTBinsBeforeL1() const {return fNTBinsBeforeL1;}
387 Float_t GetNTBinsL1() const {return fNTBinsL1;}
390 Bool_t fbStatus; //indicates consistency of the data
391 //---------------------------------------------------------------------
392 // ALICE TPC sector geometry
393 //--------------------------------------------------------------------
394 Float_t fInnerRadiusLow; // lower radius of inner sector-IP
395 Float_t fInnerRadiusUp; // upper radius of inner sector-IP
396 Float_t fOuterRadiusUp; // upper radius of outer sector-IP
397 Float_t fOuterRadiusLow; // lower radius of outer sector-IP
398 Float_t fInnerAngle; //opening angle of Inner sector
399 Float_t fInnerAngleShift; //shift of first inner sector center to the 0
400 Float_t fOuterAngle; //opening angle of outer sector
401 Float_t fOuterAngleShift; //shift of first sector center to the 0
402 Float_t fInnerFrameSpace; //space for inner frame in the phi direction
403 Float_t fOuterFrameSpace; //space for outer frame in the phi direction
404 Float_t fInnerWireMount; //space for wire mount, inner sector
405 Float_t fOuterWireMount; //space for wire mount, outer sector
406 Int_t fNInnerSector; //number of inner sectors -calculated
407 Int_t fNOuterSector; //number of outer sectors -calculated
408 Int_t fNSector; // total number of sectors -calculated
409 Float_t fZLength; //length of the drift region of the TPC
410 Float_t *fRotAngle; //[fNSector] sin and cos of rotation angles for
411 // diferent sectors -calculated
412 Int_t fGeometryType; //type of geometry -0 straight rows
413 // Float_t *fChamberPos; //[fNSector] displacements of the readout chambers
414 //with respect to the 'idead' geometry
415 //in local corrdinate system
416 // Float_t *fChamberRot; //[fNSector] rotation angles of the readout chambers
417 //with respect to the 'idead' geometry
418 //in local corrdinate system
419 TGeoHMatrix **fTrackingMatrix; //![fNSector] transformation matrices of the tracking
421 TGeoHMatrix **fClusterMatrix; //![fNSector] transformation matrices of the cluster
423 TGeoHMatrix **fGlobalMatrix; //![fNSector] fTrackingMatrix * fClusterMatrix
426 //---------------------------------------------------------------------
427 // ALICE TPC wires geometry - for GEM we can consider that it is gating
428 //--------------------------------------------------------------------
429 Int_t fNInnerWiresPerPad; //Number of wires per pad
430 Float_t fInnerWWPitch; //pitch between wires in inner sector - calculated
431 Int_t fInnerDummyWire; //number of wires without pad readout
432 Float_t fInnerOffWire; //oofset of first wire to the begining of the sector
433 Float_t fRInnerFirstWire; //position of the first wire -calculated
434 Float_t fRInnerLastWire; //position of the last wire -calculated
435 Float_t fLastWireUp1; //position of the last wire in outer1 sector
436 Int_t fNOuter1WiresPerPad; //Number of wires per pad
437 Int_t fNOuter2WiresPerPad; // Number of wires per pad
438 Float_t fOuterWWPitch; //pitch between wires in outer sector -calculated
439 Int_t fOuterDummyWire; //number of wires without pad readout
440 Float_t fOuterOffWire; //oofset of first wire to the begining of the sector
441 Float_t fROuterFirstWire; //position of the first wire -calulated
442 Float_t fROuterLastWire; //position of the last wire -calculated
443 //---------------------------------------------------------------------
444 // ALICE TPC pad parameters
445 //--------------------------------------------------------------------
446 Float_t fInnerPadPitchLength; //Inner pad pitch length
447 Float_t fInnerPadPitchWidth; //Inner pad pitch width
448 Float_t fInnerPadLength; //Inner pad length
449 Float_t fInnerPadWidth; //Inner pad width
450 Float_t fOuter1PadPitchLength; //Outer pad pitch length
451 Float_t fOuter2PadPitchLength; //Outer pad pitch length
452 Float_t fOuterPadPitchWidth; //Outer pad pitch width
453 Float_t fOuter1PadLength; //Outer pad length
454 Float_t fOuter2PadLength; //Outer pad length
455 Float_t fOuterPadWidth; //Outer pad width
456 Bool_t fBMWPCReadout; //indicate wire readout - kTRUE or GEM readout -kFALSE
457 Int_t fNCrossRows; //number of rows to crostalk calculation
459 Int_t fNRowLow; //number of pad rows per low sector -set
460 Int_t fNRowUp1; //number of short pad rows per sector up -set
461 Int_t fNRowUp2; //number of long pad rows per sector up -set
462 Int_t fNRowUp; //number of pad rows per sector up -calculated
463 Int_t fNtRows; //total number of rows in TPC -calculated
464 Float_t fPadRowLow[600]; //Lower sector, pad row radii -calculated
465 Float_t fPadRowUp[600]; //Upper sector, pad row radii -calculated
466 Int_t fNPadsLow[600]; //Lower sector, number of pads per row -calculated
467 Int_t fNPadsUp[600]; //Upper sector, number of pads per row -calculated
468 Float_t fYInner[600]; //Inner sector, wire-length
469 Float_t fYOuter[600]; //Outer sector, wire-length
470 //---------------------------------------------------------------------
471 // ALICE TPC Gas Parameters
472 //--------------------------------------------------------------------
473 Float_t fDiffT; //tangencial diffusion constant
474 Float_t fDiffL; //longutudinal diffusion constant
475 Float_t fGasGain; //gas gain constant
476 Float_t fDriftV; //drift velocity constant
477 Float_t fOmegaTau; //omega tau ExB coeficient
478 Float_t fAttCoef; //attachment coefitients
479 Float_t fOxyCont; //oxygen content
480 Float_t fFpot; // first ionisation potential
481 Float_t fNprim; // number of primary electrons/cm
482 Float_t fNtot; //total number of electrons/c (MIP)
483 Float_t fWmean; // mean energy for electron/ion pair
484 Float_t fExp; // de = f(E) - energy loss parametrization
485 Float_t fEend; // upper cutoff for de generation
486 TVectorD* fBetheBloch; // Bethe-Bloch parametrization
487 // gas mixture composition
488 Float_t fComposition[6];
489 TGraphErrors * fGainSlopesHV; // graph with the gain slope as function of HV - per chamber
490 TGraphErrors * fGainSlopesPT; // graph with the gain slope as function of P/T - per chamber
491 //---------------------------------------------------------------------
492 // ALICE TPC Electronics Parameters
493 //--------------------------------------------------------------------
494 Float_t fPadCoupling; //coupling factor ration of anode signal
495 //and total pads signal
496 Int_t fZeroSup; //zero suppresion constant
497 Float_t fNoise; //noise sigma constant
498 Float_t fChipGain; //preamp shaper constant
499 Float_t fChipNorm; //preamp shaper normalisation
500 Float_t fTSample; //sampling time
501 Float_t fZWidth; //derived value calculated using TSample and driftw -computed
502 Float_t fTSigma; //width of the Preamp/Shaper function
503 Int_t fMaxTBin; //maximum time bin number
504 Int_t fADCSat; //saturation value of ADC (10 bits)
505 Float_t fADCDynRange; //input dynamic range (mV)
506 Float_t fTotalNormFac; //full normalisation factor - calculated
507 Float_t fNoiseNormFac; //normalisation factor to transform noise in electron to ADC channel
508 //---------------------------------------------------------------------
509 // High voltage parameters
510 //---------------------------------------------------------------------
511 Float_t fNominalVoltage[72]; //nominal voltage in [V] per chamber
512 Float_t fMaxVoltageDeviation; // maximum voltage deviation from nominal voltage before a chamber is masked
513 Float_t fMaxDipVoltage; // maximum voltage deviation from median before a dip event is marked
514 Float_t fMaxHVfractionBad; // maximum fraction of bad HV entries (deviation from Median) before a chamber is marked bad
515 Float_t fVoltageDipScanPeriod; // scanning period to detect a high volrage dip: event time stamp +- fVoltageDipScanPeriod [sec]
517 //---------------------------------------------------------------------
518 // ALICE TPC response data
519 //---------------------------------------------------------------------
520 Int_t fNResponseMax; //maximal dimension of response
521 Float_t fResponseThreshold; //threshold for accepted response
522 Int_t fCurrentMax; //!current maximal dimension -calulated
523 Int_t *fResponseBin; //!array with bins -calulated
524 Float_t *fResponseWeight; //!array with response -calulated
526 //---------------------------------------------------------------------
527 // ALICE TPC L1 Parameters
528 //--------------------------------------------------------------------
529 Float_t fGateDelay; //Delay of L1 arrival for the TPC gate signal
530 Float_t fL1Delay; //Delay of L1 arrival for the TPC readout
531 UShort_t fNTBinsBeforeL1; //Number of time bins before L1 arrival which are being read out
532 Float_t fNTBinsL1; //Overall L1 delay in time bins
534 static TObjArray *fBBParam; // array of the Bethe-Bloch parameters.
536 AliTPCParam(const AliTPCParam &);
537 AliTPCParam & operator=(const AliTPCParam &);
539 void CleanGeoMatrices();
541 ClassDef(AliTPCParam,8) //parameter object for set:TPC
545 inline Int_t * AliTPCParam::GetResBin(Int_t i)
547 //return response bin i - bin given by padrow [0] pad[1] timebin[2]
548 if (i<fCurrentMax) return &fResponseBin[i*3];
552 inline Float_t &AliTPCParam::GetResWeight(Int_t i)
554 //return weight of response bin i
555 if (i<fCurrentMax) return fResponseWeight[i];
556 else return fResponseWeight[i];
560 inline void AliTPCParam::AdjustCosSin(Int_t isec, Float_t &cos, Float_t &sin) const
563 //set cosinus and sinus of rotation angles for sector isec
565 cos=fRotAngle[isec*4];
566 sin=fRotAngle[isec*4+1];
569 inline Float_t AliTPCParam::GetAngle(Int_t isec) const
572 //return rotation angle of given sector
574 return fRotAngle[isec*4+2];
578 inline void AliTPCParam::Transform1to2Ideal(Float_t *xyz, Int_t *index) const
580 //transformation to rotated coordinates
581 //we must have information about sector!
582 //rotate to given sector
586 AdjustCosSin(index[1],cos,sin);
587 Float_t x1=xyz[0]*cos + xyz[1]*sin;
588 Float_t y1=-xyz[0]*sin + xyz[1]*cos;
591 xyz[2]=fZLength-TMath::Abs(xyz[2]);
596 inline void AliTPCParam::Transform1to2(Float_t *xyz, Int_t *index) const
598 //transformation to rotated coordinates
599 //we must have information about sector!
600 //rotate to given sector
601 Double_t xyzmaster[3] = {xyz[0],xyz[1],xyz[2]};
602 Double_t xyzlocal[3]={0,0,0};
603 if (index[1]>=0 && index[1]<fNSector)
604 fGlobalMatrix[index[1]]->MasterToLocal(xyzmaster,xyzlocal);
605 xyz[0] = xyzlocal[0];
606 xyz[1] = xyzlocal[1];
607 xyz[2] = xyzlocal[2];
614 inline void AliTPCParam::Transform2to1(Float_t *xyz, Int_t *index) const
617 //transformation from rotated coordinates to global coordinates
620 AdjustCosSin(index[1],cos,sin);
621 Float_t x1=xyz[0]*cos - xyz[1]*sin;
622 Float_t y1=xyz[0]*sin + xyz[1]*cos;
625 xyz[2]=fZLength-xyz[2];
626 if (index[1]<fNInnerSector)
627 {if ( index[1]>=(fNInnerSector>>1)) xyz[2]*=-1.;}
629 {if ( (index[1]-fNInnerSector) >= (fNOuterSector>>1) ) xyz[2]*=-1;}
633 inline void AliTPCParam::Transform2to2(Float_t *xyz, Int_t *index, Int_t *oindex) const
635 //transform rotated coordinats of one sector to rotated
636 //coordinates relative to another sector
637 Transform2to1(xyz,index);
638 Transform1to2(xyz,oindex);
643 inline Float_t AliTPCParam::Transform2to2NearestWire(Float_t *xyz, Int_t *index) const
646 // asigns the x-position of the closest wire to xyz[0], return the
647 // electron to closest wire distance
650 if (index[1]<fNInnerSector) {
651 xnew = fRInnerFirstWire+TMath::Nint((xyz[0]-fRInnerFirstWire)/fInnerWWPitch)*fInnerWWPitch;
654 xnew = fROuterFirstWire+TMath::Nint((xyz[0]-fROuterFirstWire)/fOuterWWPitch)*fOuterWWPitch;
661 inline Int_t AliTPCParam::Transform2to3(Float_t *xyz, Int_t *index) const
664 //calulates coresponding pad row number, sets index[2] for straight rows
665 //does not change xyz[] information
666 //valid only for straight row
668 if (index[1]<fNInnerSector)
669 index[2] =TMath::Nint((xyz[0]-fPadRowLow[0])/fInnerPadPitchLength);
671 if (xyz[0] < fLastWireUp1 )
672 index[2] = TMath::Nint((xyz[0]-fPadRowUp[0])/fOuter1PadPitchLength);
674 index[2] = TMath::Nint(fNRowUp1+(xyz[0]-fPadRowUp[64])/fOuter2PadPitchLength);
679 inline void AliTPCParam::Transform3to4(Float_t *xyz, Int_t *index) const
682 //valid only for straight rows straight rows
683 //calculate xyz[0] position relative to given index
685 if (index[1]<fNInnerSector)
686 xyz[0] -=index[2]*fInnerPadPitchLength+fPadRowLow[0];
688 if (index[2]<fNRowUp1)
689 xyz[0] -=index[2]*fOuter1PadPitchLength+fPadRowUp[0];
691 xyz[0] -=(index[2]-fNRowUp1)*fOuter2PadPitchLength+fPadRowUp[64];
695 inline void AliTPCParam::Transform4to3(Float_t *xyz, Int_t *index) const
698 //valid only for straight rows
699 //transforms relative xyz[0] to the global one within given sector
701 if (index[1]<fNInnerSector)
702 xyz[0] +=index[2]*fInnerPadPitchLength+fPadRowLow[0];
704 if(index[2]<fNRowUp1)
705 xyz[0] +=index[2]*fOuter1PadPitchLength+fPadRowUp[0];
707 xyz[0] +=index[2]*fOuter2PadPitchLength+fPadRowUp[64];
712 inline void AliTPCParam::Transform2to5( Float_t *xyz, Int_t *index) const
715 //transform [x,y,z] to [r,phi,z]
718 Float_t r = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
719 if ((xyz[0]==0)&&(xyz[1]==0)) angle = 0;
722 angle =TMath::ASin(xyz[1]/r);
723 if (xyz[0]<0) angle=TMath::Pi()-angle;
724 if ( (xyz[0]>0) && (xyz[1]<0) ) angle=2*TMath::Pi()+angle;
731 inline void AliTPCParam::Transform5to2( Float_t *xyz, Int_t *index) const
734 //transform [r,rphi,z] to [x,y,z]
737 Float_t angle= xyz[1];
738 xyz[0]=r*TMath::Cos(angle);
739 xyz[1]=r*TMath::Sin(angle);
743 inline void AliTPCParam::Transform4to8(Float_t *xyz, Int_t *index) const
746 //transform xyz coordinates to 'digit' coordinates
749 if (index[1]<fNInnerSector) {
750 if ( index[1]>=(fNInnerSector>>1)) xyz[1]*=-1.;
753 if ( (index[1]-fNInnerSector) >= (fNOuterSector>>1) ) xyz[1]*=-1;
757 if (index[1]<fNInnerSector) {
758 xyz[0]/=fInnerPadPitchLength;
759 xyz[1]/=fInnerPadPitchWidth;
762 xyz[1]/=fOuterPadPitchWidth;
763 if (index[2]<fNRowUp1 ) xyz[0]/=fOuter1PadPitchLength;
764 else xyz[0]/=fOuter2PadPitchLength;
770 inline void AliTPCParam::Transform8to4(Float_t *xyz, Int_t *index) const
773 //transforms 'digit' coordinates to xyz coordinates
775 if (index[1]<fNInnerSector) {
776 if ( index[1]>=(fNInnerSector>>1)) xyz[1]*=-1.;
779 if ( (index[1]-fNInnerSector) >= (fNOuterSector>>1) ) xyz[1]*=-1;
783 if (index[1]<fNInnerSector) {
784 xyz[0]*=fInnerPadPitchLength;
785 xyz[1]*=fInnerPadPitchWidth;
788 xyz[1]*=fOuterPadPitchWidth;
789 if (index[2] < fNRowUp1 ) xyz[0]*=fOuter1PadPitchLength;
790 else xyz[0]*=fOuter2PadPitchLength;
795 inline void AliTPCParam::Transform6to8(Float_t *xyz, Int_t *index) const
798 //transforms cylindrical xyz coordinates to 'digit' coordinates
801 if (index[1]<fNInnerSector) {
802 xyz[0]/=fInnerPadPitchLength;
803 xyz[1]*=xyz[0]/fInnerPadPitchWidth;
806 xyz[1]*=xyz[0]/fOuterPadPitchWidth;
807 if (index[2] < fNRowUp1 ) xyz[0]/=fOuter1PadPitchLength;
808 else xyz[0]/=fOuter2PadPitchLength;
813 inline void AliTPCParam::Transform8to6(Float_t *xyz, Int_t *index) const
816 //transforms 'digit' coordinates to cylindrical xyz coordinates
819 if (index[1]<fNInnerSector) {
820 xyz[0]*=fInnerPadPitchLength;
821 xyz[1]/=xyz[0]/fInnerPadPitchWidth;
824 xyz[1]/=xyz[0]/fOuterPadPitchWidth;
825 if (index[2] < fNRowUp1 ) xyz[0]*=fOuter1PadPitchLength;
826 else xyz[0]*=fOuter2PadPitchLength;
830 inline Float_t AliTPCParam::GetZLength(Int_t sector) const
831 { if(sector <18 || (sector>35&§or<54)) return fZLength-0.275;
832 else return fZLength-0.302;