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73042f01 | 1 | #ifndef ALITPCPARAM_H |
2 | #define ALITPCPARAM_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8c555625 | 8 | //////////////////////////////////////////////// |
9 | // Manager class for TPC parameters // | |
10 | //////////////////////////////////////////////// | |
8c555625 | 11 | |
cc80f89e | 12 | #include "AliDetectorParam.h" |
13 | #include "TMath.h" | |
1283eee5 | 14 | |
1283eee5 | 15 | |
8c555625 | 16 | |
cc80f89e | 17 | class AliTPCParam : public AliDetectorParam { |
8c555625 | 18 | ////////////////////////////////////////////////////// |
19 | ////////////////////////////////////////////////////// | |
20 | //ALITPCParam object to be possible change | |
21 | //geometry and some other parameters of TPC | |
cc80f89e | 22 | //used by AliTPC and AliTPCSector |
23 | ||
8c555625 | 24 | public: |
25 | AliTPCParam(); | |
cc80f89e | 26 | virtual ~AliTPCParam(); |
8c555625 | 27 | |
cc80f89e | 28 | virtual Bool_t Transform(Float_t *xyz, Int_t *index, Int_t* oindex); |
29 | //transformation from input coodination system to output coordination system | |
30 | Int_t Transform0to1(Float_t *xyz, Int_t *index) const; | |
31 | //trasforamtion from global to global - adjust index[0] sector | |
32 | //return value is equal to sector corresponding to global position | |
73042f01 | 33 | void Transform1to2(Float_t *xyz, Int_t *index) const; |
cc80f89e | 34 | //transformation to rotated coordinata |
73042f01 | 35 | void Transform2to1(Float_t *xyz, Int_t *index) const; |
cc80f89e | 36 | //transformation from rotated coordinata to global coordinata |
73042f01 | 37 | void Transform2to2(Float_t *xyz, Int_t *index, Int_t *oindex) const; |
cc80f89e | 38 | //transform rotated coordinata of one sector to rotated |
39 | //coordinata relative to another sector | |
73042f01 | 40 | Float_t Transform2to2NearestWire(Float_t *xyz, Int_t *index) const; |
cc80f89e | 41 | //round x position to nearest wire |
73042f01 | 42 | Int_t Transform2to3(Float_t *xyz, Int_t *index) const; |
cc80f89e | 43 | //calulate coresponding index[2] -pad row for straight rows |
44 | //does not change xyz[] | |
45 | //return pad - row | |
73042f01 | 46 | void Transform3to4(Float_t *xyz, Int_t *index) const; |
cc80f89e | 47 | //valid only for straight rows straight rows |
48 | //calculate xyz[0] position relative to given index | |
49 | //return pad - row | |
73042f01 | 50 | void Transform4to3(Float_t *xyz, Int_t *index) const; |
cc80f89e | 51 | //valid only for straight rows straight rows |
52 | //transform xyz[0] position relative to given index | |
73042f01 | 53 | void Transform2to5( Float_t *xyz, Int_t *index) const; |
cc80f89e | 54 | //transform [x,y,z] to [r,rphi,z] |
73042f01 | 55 | void Transform5to2(Float_t *xyz, Int_t *index) const; |
cc80f89e | 56 | //transform [r,rphi,z] coordinata to [x,y,z] |
73042f01 | 57 | void Transform4to8(Float_t *xyz, Int_t *index) const; |
cc80f89e | 58 | //transform xyz coordinata to 'digit' coordinata |
73042f01 | 59 | void Transform8to4(Float_t *xyz, Int_t *index) const; |
cc80f89e | 60 | //transform 'digit' coordinata to xyz coordinata |
73042f01 | 61 | void Transform6to8(Float_t *xyz, Int_t *index) const; |
cc80f89e | 62 | //transform dr,f coordinata to 'digit' coordinata |
73042f01 | 63 | void Transform8to6(Float_t *xyz, Int_t *index) const; |
cc80f89e | 64 | //transform 'digit' coordinata to dr,f coordinata |
65 | ||
66 | virtual Int_t Transform2toPadRow(Float_t *xyz, Int_t *index) const{return 0;} | |
67 | //transform rotated to | |
68 | ||
69 | virtual Int_t GetPadRow(Float_t *xyz, Int_t *index) const ; | |
70 | //return pad row of point xyz - xyz is given in coordinate system -(given by index) | |
71 | //output system is 3 for straight row and 7 for cylindrical row | |
72 | virtual void XYZtoCRXYZ(Float_t *xyz, | |
73042f01 | 73 | Int_t §or, Int_t &padrow, Int_t option=3) const {;} |
8c555625 | 74 | //transform global position to the position relative to the sector padrow |
75 | //if option=0 X calculate absolute calculate sector | |
76 | //if option=1 X absolute use input sector | |
77 | //if option=2 X relative to pad row calculate sector | |
78 | //if option=3 X relative use input sector | |
79 | ||
cc80f89e | 80 | virtual void CRXYZtoXYZ(Float_t *xyz, |
81 | const Int_t §or, const Int_t & padrow, Int_t option=3) const {;} | |
8c555625 | 82 | //transform relative position to the gloabal position |
83 | ||
cc80f89e | 84 | virtual void CRTimePadtoYZ(Float_t &y, Float_t &z, |
85 | const Float_t &time, const Float_t &pad, | |
86 | Int_t sector, Int_t padrow ){;} | |
8c555625 | 87 | //transform position in digit units (time slices and pads) to "normal" |
88 | //units (cm) | |
cc80f89e | 89 | virtual void CRYZtoTimePad(const Float_t &y, const Float_t &z, |
90 | Float_t &time, Float_t &pad, | |
91 | Int_t sector, Int_t padrow){;} | |
92 | //transform position in cm to position in digit unit | |
93 | virtual Int_t CalcResponse(Float_t* x, Int_t * index, Int_t row){return 0;} | |
94 | //calculate bin response as function of the input position -x and the weight | |
95 | //if row -pad row is equal -1 calculate response for each pad row | |
96 | //otherwise it calculate only in given pad row | |
97 | //return number of valid response bin | |
98 | virtual void SetDefault(); //set defaut TPCparam | |
99 | virtual Bool_t Update(); //recalculate and check geometric parameters | |
100 | Bool_t GetStatus(); //get information about object consistency | |
101 | Int_t GetIndex(Int_t sector, Int_t row); //give index of the given sector and pad row | |
102 | Int_t GetNSegmentsTotal() const {return fNtRows;} | |
8c555625 | 103 | Double_t GetLowMaxY(Int_t irow) const {return irow*0.;} |
104 | Double_t GetUpMaxY(Int_t irow) const {return irow*0;} | |
cc80f89e | 105 | //additional geometrical function - for Belikov |
106 | ||
107 | Bool_t AdjustSectorRow(Int_t index, Int_t & sector, Int_t &row) const; //return sector and padrow | |
8c555625 | 108 | //for given index |
8c555625 | 109 | |
73042f01 | 110 | void AdjustCosSin(Int_t isec, Float_t &cos, Float_t &sin) const; |
cc80f89e | 111 | //set cosinus and sinus of rotation angles for sector isec |
73042f01 | 112 | Float_t GetAngle(Int_t isec) const; |
cc80f89e | 113 | // |
114 | //set sector parameters | |
115 | // | |
116 | void SetInnerRadiusLow(Float_t InnerRadiusLow ) { fInnerRadiusLow=InnerRadiusLow;} | |
117 | void SetOuterRadiusLow(Float_t OuterRadiusLow ) { fOuterRadiusLow=OuterRadiusLow;} | |
118 | void SetInnerRadiusUp(Float_t InnerRadiusUp) { fInnerRadiusUp= InnerRadiusUp;} | |
119 | void SetOuterRadiusUp(Float_t OuterRadiusUp) { fOuterRadiusUp= OuterRadiusUp;} | |
120 | void SetSectorAngles(Float_t innerangle, Float_t innershift, Float_t outerangle, | |
121 | Float_t outershift); | |
122 | void SetInnerFrameSpace(Float_t frspace) {fInnerFrameSpace = frspace;} | |
123 | void SetOuterFrameSpace(Float_t frspace) {fOuterFrameSpace = frspace;} | |
124 | void SetInnerWireMount(Float_t fmount) {fInnerWireMount = fmount;} | |
125 | void SetOuterWireMount(Float_t fmount) {fOuterWireMount = fmount;} | |
126 | void SetZLength(Float_t zlength) {fZLength = zlength;} | |
127 | void SetGeometryType(Int_t type) {fGeometryType = type;} | |
128 | // | |
129 | //set wire parameters | |
130 | // | |
131 | void SetInnerNWires(Int_t nWires){ fNInnerWiresPerPad=nWires;} | |
132 | void SetInnerDummyWire(Int_t dummy) {fInnerDummyWire = dummy;} | |
133 | void SetInnerOffWire(Float_t offset) {fInnerOffWire =offset;} | |
134 | void SetOuterNWires(Int_t nWires){ fNOuterWiresPerPad=nWires;} | |
135 | void SetOuterDummyWire(Int_t dummy) {fOuterDummyWire = dummy;} | |
136 | void SetOuterOffWire(Float_t offset) {fOuterOffWire =offset;} | |
137 | // | |
138 | //set pad parameter | |
139 | // | |
140 | void SetInnerPadPitchLength(Float_t PadPitchLength){ fInnerPadPitchLength=PadPitchLength;} | |
141 | void SetInnerPadPitchWidth(Float_t PadPitchWidth){ fInnerPadPitchWidth = PadPitchWidth;} | |
142 | void SetInnerPadLength(Float_t PadLength){ fInnerPadLength=PadLength;} | |
143 | void SetInnerPadWidth(Float_t PadWidth) { fInnerPadWidth=PadWidth;} | |
144 | void SetOuterPadPitchLength(Float_t PadPitchLength){ fOuterPadPitchLength=PadPitchLength;} | |
145 | void SetOuterPadPitchWidth(Float_t PadPitchWidth){ fOuterPadPitchWidth = PadPitchWidth;} | |
146 | void SetOuterPadLength(Float_t PadLength){ fOuterPadLength=PadLength;} | |
147 | void SetOuterPadWidth(Float_t PadWidth) { fOuterPadWidth=PadWidth;} | |
148 | void SetMWPCReadout(Bool_t type) {fBMWPCReadout = type;} | |
149 | void SetNCrossRows(Int_t rows){fNCrossRows = rows;} | |
150 | // | |
151 | //set gas paremeters | |
152 | // | |
153 | void SetDiffT(Float_t DiffT){ fDiffT= DiffT;} | |
154 | void SetDiffL(Float_t DiffL){ fDiffL=DiffL;} | |
155 | void SetGasGain(Float_t GasGain){ fGasGain=GasGain;} | |
156 | void SetDriftV(Float_t DriftV){ fDriftV= DriftV;} | |
157 | void SetOmegaTau(Float_t OmegaTau){ fOmegaTau=OmegaTau;} | |
158 | void SetAttCoef(Float_t AttCoef){ fAttCoef=AttCoef;} | |
159 | void SetOxyCont(Float_t OxyCont){ fOxyCont=OxyCont;} | |
160 | // | |
161 | //set electronivc parameters | |
162 | // | |
163 | void SetPadCoupling(Float_t PadCoupling){ fPadCoupling=PadCoupling;} | |
164 | void SetZeroSup(Int_t ZeroSup) { fZeroSup=ZeroSup;} | |
165 | void SetNoise(Float_t Noise ) { fNoise= Noise;} | |
166 | void SetChipGain(Float_t ChipGain){ fChipGain= ChipGain;} | |
167 | void SetChipNorm(Float_t ChipNorm){ fChipNorm= ChipNorm;} | |
168 | void SetTSample(Float_t TSample) { fTSample=TSample;} | |
169 | void SetTFWHM(Float_t fwhm) { fTSigma=fwhm/2.35;} | |
170 | void SetMaxTBin(Int_t maxtbin) { fMaxTBin = maxtbin;} | |
171 | void SetADCSat(Int_t adcsat) { fADCSat = adcsat;} | |
172 | void SetADCDynRange(Float_t adcdynrange) {fADCDynRange = adcdynrange;} | |
173 | // | |
174 | //set response parameters | |
175 | // | |
176 | void SetNResponseMax(Int_t max) { fNResponseMax = max;} | |
177 | void SetResponseThreshold(Int_t threshold) {fResponseThreshold = threshold;} | |
178 | // | |
179 | //get sector parameters | |
180 | // | |
181 | Float_t GetInnerRadiusLow() const {return fInnerRadiusLow;} | |
182 | Float_t GetInnerRadiusUp() const {return fInnerRadiusUp;} | |
183 | Float_t GetOuterRadiusLow() const {return fOuterRadiusLow;} | |
184 | Float_t GetOuterRadiusUp() const {return fOuterRadiusUp;} | |
185 | Float_t GetInnerFrameSpace() const {return fInnerFrameSpace;} | |
186 | Float_t GetOuterFrameSpace() const {return fOuterFrameSpace;} | |
187 | Float_t GetInnerWireMount() const {return fInnerWireMount;} | |
188 | Float_t GetOuterWireMount() const {return fOuterWireMount;} | |
189 | Float_t GetInnerAngle() const ; | |
190 | Float_t GetInnerAngleShift() const ; | |
191 | Float_t GetOuterAngle() const ; | |
192 | Float_t GetOuterAngleShift() const ; | |
193 | Int_t GetNInnerSector() const {return fNInnerSector;} | |
194 | Int_t GetNOuterSector() const {return fNOuterSector;} | |
195 | Int_t GetNSector() const {return fNSector;} | |
196 | Float_t GetZLength() const {return fZLength;} | |
197 | Int_t GetGeometryType() const {return fGeometryType;} | |
198 | ||
199 | // | |
200 | //get wires parameter | |
201 | // | |
202 | Int_t GetInnerNWires() const {return fNInnerWiresPerPad;} | |
203 | Float_t GetInnerWWPitch() const {return fInnerWWPitch;} | |
204 | Int_t GetInnerDummyWire() const {return fInnerDummyWire;} | |
205 | Float_t GetInnerOffWire() const {return fInnerOffWire;} | |
206 | Float_t GetRInnerFirstWire() const {return fRInnerFirstWire;} | |
207 | Float_t GetRInnerLastWire() const {return fRInnerLastWire;} | |
208 | Int_t GetOuterNWires() const {return fNOuterWiresPerPad;} | |
209 | Float_t GetOuterWWPitch() const {return fOuterWWPitch;} | |
210 | Int_t GetOuterDummyWire() const {return fOuterDummyWire;} | |
211 | Float_t GetOuterOffWire() const {return fOuterOffWire;} | |
212 | Float_t GetROuterFirstWire() const {return fROuterFirstWire;} | |
213 | Float_t GetROuterLastWire() const {return fROuterLastWire;} | |
214 | Float_t GetWWPitch(Int_t isector = 0) const { | |
215 | return ( (isector < fNInnerSector) ? fInnerWWPitch :fOuterWWPitch);} | |
216 | // | |
217 | //get pad parameters | |
218 | // | |
219 | Float_t GetInnerPadPitchLength() const {return fInnerPadPitchLength;} | |
220 | Float_t GetInnerPadPitchWidth() const {return fInnerPadPitchWidth;} | |
221 | Float_t GetInnerPadLength() const {return fInnerPadLength;} | |
222 | Float_t GetInnerPadWidth() const {return fInnerPadWidth;} | |
223 | Float_t GetOuterPadPitchLength() const {return fOuterPadPitchLength;} | |
224 | Float_t GetOuterPadPitchWidth() const {return fOuterPadPitchWidth;} | |
225 | Float_t GetOuterPadLength() const {return fOuterPadLength;} | |
226 | Float_t GetOuterPadWidth() const {return fOuterPadWidth;} | |
227 | Bool_t GetMWPCReadout() const {return fBMWPCReadout;} | |
228 | Int_t GetNCrossRows() const {return fNCrossRows;} | |
229 | Float_t GetPadPitchWidth(Int_t isector = 0) const { | |
230 | return ( (isector < fNInnerSector) ? fInnerPadPitchWidth :fOuterPadPitchWidth);} | |
231 | Float_t GetPadPitchLength(Int_t isector = 0) const { | |
232 | return ( (isector < fNInnerSector) ? fInnerPadPitchLength :fOuterPadPitchLength);} | |
8c555625 | 233 | |
8c555625 | 234 | Int_t GetNRowLow() const; //get the number of pad rows in low sector |
235 | Int_t GetNRowUp() const; //get the number of pad rows in up sector | |
cc80f89e | 236 | Int_t GetNRow(Int_t isec) const {return ((isec<fNInnerSector) ? fNRowLow:fNRowUp);} |
237 | Int_t GetNRowsTotal(){return fNtRows;} //get total nuber of rows | |
8c555625 | 238 | Float_t GetPadRowRadiiLow(Int_t irow) const; //get the pad row (irow) radii |
239 | Float_t GetPadRowRadiiUp(Int_t irow) const; //get the pad row (irow) radii | |
240 | Float_t GetPadRowRadii(Int_t isec,Int_t irow) const { | |
1283eee5 | 241 | return ( (isec < fNInnerSector) ?GetPadRowRadiiLow(irow):GetPadRowRadiiUp(irow));} |
cc80f89e | 242 | //retrun radii of the pad row irow in sector i |
8c555625 | 243 | Int_t GetNPadsLow(Int_t irow) const; //get the number of pads in row irow |
244 | Int_t GetNPadsUp(Int_t irow) const; //get the number of pads in row irow | |
cc80f89e | 245 | Int_t GetNPads(Int_t isector,Int_t irow) const{ |
246 | return ( (isector < fNInnerSector) ?GetNPadsLow(irow) : GetNPadsUp(irow));} | |
247 | // | |
248 | //get GAS parameters | |
249 | // | |
250 | Float_t GetDiffT() const {return fDiffT;} | |
251 | Float_t GetDiffL() const {return fDiffL;} | |
252 | Float_t GetGasGain() const {return fGasGain;} | |
253 | Float_t GetDriftV() const {return fDriftV;} | |
254 | Float_t GetOmegaTau() const {return fOmegaTau;} | |
255 | Float_t GetAttCoef() const {return fAttCoef;} | |
256 | Float_t GetOxyCont() const {return fOxyCont;} | |
257 | // | |
258 | //get Electronic parameters | |
259 | // | |
260 | Float_t GetPadCoupling() const {return fPadCoupling;} | |
261 | Int_t GetZeroSup() const {return fZeroSup;} | |
262 | Float_t GetNoise() const {return fNoise;} | |
263 | Float_t GetChipGain() const {return fChipGain;} | |
264 | Float_t GetChipNorm() const {return fChipNorm;} | |
265 | Float_t GetTSample() const {return fTSample;} | |
266 | Float_t GetZWidth() const {return fZWidth;} | |
267 | Float_t GetTFWHM() const {return fTSigma*2.35;} | |
268 | Float_t GetZSigma() const {return fTSigma*fDriftV;} | |
269 | virtual Float_t GetZOffset() {return 3*fTSigma*fDriftV;} | |
270 | Int_t GetMaxTBin() const {return fMaxTBin;} | |
271 | Int_t GetADCSat() const {return fADCSat;} | |
272 | Float_t GetADCDynRange() const {return fADCDynRange;} | |
273 | Float_t GetTotalNormFac() const {return fTotalNormFac;} | |
274 | Float_t GetNoiseNormFac() const {return fNoiseNormFac;} | |
275 | // | |
276 | // get response data | |
277 | // | |
73042f01 | 278 | Int_t * GetResBin(Int_t i); |
cc80f89e | 279 | //return response bin i - bin given by padrow [0] pad[1] timebin[2] |
73042f01 | 280 | Float_t GetResWeight(Int_t i); |
cc80f89e | 281 | //return weight of response bin i |
282 | protected : | |
8c555625 | 283 | |
8c555625 | 284 | Bool_t fbStatus; //indicates consistency of the data |
285 | //--------------------------------------------------------------------- | |
286 | // ALICE TPC sector geometry | |
cc80f89e | 287 | //-------------------------------------------------------------------- |
288 | Float_t fInnerRadiusLow; // lower radius of inner sector-IP | |
289 | Float_t fInnerRadiusUp; // upper radius of inner sector-IP | |
290 | Float_t fOuterRadiusUp; // upper radius of outer sector-IP | |
291 | Float_t fOuterRadiusLow; // lower radius of outer sector-IP | |
292 | Float_t fInnerAngle; //opening angle of Inner sector | |
293 | Float_t fInnerAngleShift; //shift of first inner sector center to the 0 | |
294 | Float_t fOuterAngle; //opening angle of outer sector | |
295 | Float_t fOuterAngleShift; //shift of first sector center to the 0 | |
296 | Float_t fInnerFrameSpace; //space for inner frame in the phi direction | |
297 | Float_t fOuterFrameSpace; //space for outer frame in the phi direction | |
298 | Float_t fInnerWireMount; //space for wire mount, inner sector | |
299 | Float_t fOuterWireMount; //space for wire mount, outer sector | |
0bbae0f2 | 300 | Int_t fNInnerSector; //number of inner sectors -calculated |
301 | Int_t fNOuterSector; //number of outer sectors -calculated | |
302 | Int_t fNSector; // total number of sectors -calculated | |
cc80f89e | 303 | Float_t fZLength; //length of the drift region of the TPC |
0bbae0f2 | 304 | Float_t *fRotAngle; //[fNSector] sin and cos of rotation angles for |
cc80f89e | 305 | // diferent sectors -calculated |
306 | Int_t fGeometryType; //type of geometry -0 straight rows | |
307 | //1-cylindrical | |
308 | //--------------------------------------------------------------------- | |
309 | // ALICE TPC wires geometry - for GEM we can consider that it is gating | |
8c555625 | 310 | //-------------------------------------------------------------------- |
0bbae0f2 | 311 | Int_t fNInnerWiresPerPad; //Number of wires per pad |
312 | Float_t fInnerWWPitch; //pitch between wires in inner sector - calculated | |
cc80f89e | 313 | Int_t fInnerDummyWire; //number of wires without pad readout |
314 | Float_t fInnerOffWire; //oofset of first wire to the begining of the sector | |
315 | Float_t fRInnerFirstWire; //position of the first wire -calculated | |
316 | Float_t fRInnerLastWire; //position of the last wire -calculated | |
0bbae0f2 | 317 | Int_t fNOuterWiresPerPad; //Number of wires per pad |
318 | Float_t fOuterWWPitch; //pitch between wires in outer sector -calculated | |
cc80f89e | 319 | Int_t fOuterDummyWire; //number of wires without pad readout |
320 | Float_t fOuterOffWire; //oofset of first wire to the begining of the sector | |
321 | Float_t fROuterFirstWire; //position of the first wire -calulated | |
322 | Float_t fROuterLastWire; //position of the last wire -calculated | |
1283eee5 | 323 | //--------------------------------------------------------------------- |
324 | // ALICE TPC pad parameters | |
325 | //-------------------------------------------------------------------- | |
cc80f89e | 326 | Float_t fInnerPadPitchLength; //Inner pad pitch length |
327 | Float_t fInnerPadPitchWidth; //Inner pad pitch width | |
328 | Float_t fInnerPadLength; //Inner pad length | |
329 | Float_t fInnerPadWidth; //Inner pad width | |
330 | Float_t fOuterPadPitchLength; //Outer pad pitch length | |
331 | Float_t fOuterPadPitchWidth; //Outer pad pitch width | |
332 | Float_t fOuterPadLength; //Outer pad length | |
333 | Float_t fOuterPadWidth; //Outer pad width | |
334 | Bool_t fBMWPCReadout; //indicate wire readout - kTRUE or GEM readout -kFALSE | |
335 | Int_t fNCrossRows; //number of rows to crostalk calculation | |
336 | ||
337 | Int_t fNRowLow; //number of pad rows per low sector -calculated | |
338 | Int_t fNRowUp; //number of pad rows per sector up -calculated | |
339 | Int_t fNtRows; //total number of rows in TPC -calculated | |
340 | Float_t fPadRowLow[600]; //Lower sector, pad row radii -calculated | |
341 | Float_t fPadRowUp[600]; //Upper sector, pad row radii -calculated | |
342 | Int_t fNPadsLow[600]; //Lower sector, number of pads per row -calculated | |
343 | Int_t fNPadsUp[600]; //Upper sector, number of pads per row -calculated | |
8c555625 | 344 | //--------------------------------------------------------------------- |
345 | // ALICE TPC Gas Parameters | |
346 | //-------------------------------------------------------------------- | |
347 | Float_t fDiffT; //tangencial diffusion constant | |
348 | Float_t fDiffL; //longutudinal diffusion constant | |
349 | Float_t fGasGain; //gas gain constant | |
cc80f89e | 350 | Float_t fDriftV; //drift velocity constant |
8c555625 | 351 | Float_t fOmegaTau; //omega tau ExB coeficient |
352 | Float_t fAttCoef; //attachment coefitients | |
353 | Float_t fOxyCont; //oxygen content | |
354 | //--------------------------------------------------------------------- | |
355 | // ALICE TPC Electronics Parameters | |
356 | //-------------------------------------------------------------------- | |
357 | Float_t fPadCoupling; //coupling factor ration of anode signal | |
358 | //and total pads signal | |
cc80f89e | 359 | Int_t fZeroSup; //zero suppresion constant |
360 | Float_t fNoise; //noise sigma constant | |
361 | Float_t fChipGain; //preamp shaper constant | |
362 | Float_t fChipNorm; //preamp shaper normalisation | |
363 | Float_t fTSample; //sampling time | |
364 | Float_t fZWidth; //derived value calculated using TSample and driftw -computed | |
365 | Float_t fTSigma; //width of the Preamp/Shaper function | |
366 | Int_t fMaxTBin; //maximum time bin number | |
367 | Int_t fADCSat; //saturation value of ADC (10 bits) | |
368 | Float_t fADCDynRange; //input dynamic range (mV) | |
369 | Float_t fTotalNormFac; //full normalisation factor - calculated | |
370 | Float_t fNoiseNormFac; //normalisation factor to transform noise in electron to ADC channel | |
371 | ||
372 | ||
373 | protected: | |
374 | //--------------------------------------------------------------------- | |
375 | // ALICE TPC response data | |
376 | //--------------------------------------------------------------------- | |
377 | Int_t fNResponseMax; //maximal dimension of response | |
378 | Float_t fResponseThreshold; //threshold for accepted response | |
0bbae0f2 | 379 | Int_t fCurrentMax; //!current maximal dimension -calulated |
380 | Int_t *fResponseBin; //!array with bins -calulated | |
381 | Float_t *fResponseWeight; //!array with response -calulated | |
cc80f89e | 382 | |
8c555625 | 383 | ClassDef(AliTPCParam,2) //parameter object for set:TPC |
384 | }; | |
385 | ||
cc80f89e | 386 | |
387 | inline Int_t * AliTPCParam::GetResBin(Int_t i) | |
388 | { | |
389 | //return response bin i - bin given by padrow [0] pad[1] timebin[2] | |
390 | if (i<fCurrentMax) return &fResponseBin[i*3]; | |
391 | else return 0; | |
392 | }; | |
393 | ||
394 | inline Float_t AliTPCParam::GetResWeight(Int_t i) | |
395 | { | |
396 | //return weight of response bin i | |
397 | if (i<fCurrentMax) return fResponseWeight[i]; | |
398 | else return 0; | |
399 | } | |
8c555625 | 400 | |
cc80f89e | 401 | |
73042f01 | 402 | inline void AliTPCParam::AdjustCosSin(Int_t isec, Float_t &cos, Float_t &sin) const |
cc80f89e | 403 | { |
404 | // | |
405 | //set cosinus and sinus of rotation angles for sector isec | |
406 | // | |
407 | cos=fRotAngle[isec*4]; | |
408 | sin=fRotAngle[isec*4+1]; | |
409 | } | |
410 | ||
73042f01 | 411 | inline Float_t AliTPCParam::GetAngle(Int_t isec) const |
cc80f89e | 412 | { |
413 | // | |
414 | //return rotation angle of given sector | |
415 | // | |
416 | return fRotAngle[isec*4+2]; | |
417 | } | |
418 | ||
419 | ||
420 | inline void AliTPCParam::Transform1to2(Float_t *xyz, Int_t *index) const | |
421 | { | |
422 | //transformation to rotated coordinates | |
423 | //we must have information about sector! | |
424 | ||
425 | //rotate to given sector | |
426 | Float_t cos,sin; | |
427 | AdjustCosSin(index[1],cos,sin); | |
428 | Float_t x1=xyz[0]*cos + xyz[1]*sin; | |
429 | Float_t y1=-xyz[0]*sin + xyz[1]*cos; | |
430 | xyz[0]=x1; | |
431 | xyz[1]=y1; | |
432 | xyz[2]=fZLength-TMath::Abs(xyz[2]); | |
433 | index[0]=2; | |
434 | } | |
435 | ||
436 | inline void AliTPCParam::Transform2to1(Float_t *xyz, Int_t *index) const | |
437 | { | |
438 | // | |
439 | //transformation from rotated coordinates to global coordinates | |
440 | // | |
441 | Float_t cos,sin; | |
442 | AdjustCosSin(index[1],cos,sin); | |
443 | Float_t x1=xyz[0]*cos - xyz[1]*sin; | |
444 | Float_t y1=xyz[0]*sin + xyz[1]*cos; | |
445 | xyz[0]=x1; | |
446 | xyz[1]=y1; | |
447 | xyz[2]=fZLength-xyz[2]; | |
448 | if (index[1]<fNInnerSector) | |
449 | if ( index[1]>=(fNInnerSector>>1)) xyz[2]*=-1.; | |
450 | else | |
451 | if ( (index[1]-fNInnerSector) > (fNOuterSector>>1) ) xyz[2]*=-1; | |
452 | index[0]=1; | |
453 | } | |
454 | ||
455 | inline void AliTPCParam::Transform2to2(Float_t *xyz, Int_t *index, Int_t *oindex) const | |
456 | { | |
457 | //transform rotated coordinats of one sector to rotated | |
458 | //coordinates relative to another sector | |
459 | Transform2to1(xyz,index); | |
460 | Transform1to2(xyz,oindex); | |
461 | index[0]=2; | |
462 | index[1]=oindex[1]; | |
463 | } | |
464 | ||
465 | inline Float_t AliTPCParam::Transform2to2NearestWire(Float_t *xyz, Int_t *index) const | |
466 | { | |
467 | // | |
468 | // asigns the x-position of the closest wire to xyz[0], return the | |
469 | // electron to closest wire distance | |
470 | // | |
471 | Float_t xnew,dx; | |
472 | if (index[1]<fNInnerSector) { | |
473 | xnew = fRInnerFirstWire+TMath::Nint((xyz[0]-fRInnerFirstWire)/fInnerWWPitch)*fInnerWWPitch; | |
474 | } | |
475 | else { | |
476 | xnew = fROuterFirstWire+TMath::Nint((xyz[0]-fROuterFirstWire)/fOuterWWPitch)*fOuterWWPitch; | |
477 | } | |
478 | dx = xnew-xyz[0]; | |
479 | xyz[0]=xnew; | |
480 | return dx; | |
481 | } | |
482 | ||
483 | inline Int_t AliTPCParam::Transform2to3(Float_t *xyz, Int_t *index) const | |
484 | { | |
485 | // | |
486 | //calulates coresponding pad row number, sets index[2] for straight rows | |
487 | //does not change xyz[] information | |
488 | //valid only for straight row | |
489 | // | |
490 | if (index[1]<fNInnerSector) | |
491 | index[2] =TMath::Nint((xyz[0]-fPadRowLow[0])/fInnerPadPitchLength); | |
492 | else | |
493 | index[2] = TMath::Nint((xyz[0]-fPadRowUp[0])/fOuterPadPitchLength); | |
494 | index[0]=3; | |
495 | return index[2]; | |
496 | } | |
497 | ||
498 | inline void AliTPCParam::Transform3to4(Float_t *xyz, Int_t *index) const | |
499 | { | |
500 | // | |
501 | //valid only for straight rows straight rows | |
502 | //calculate xyz[0] position relative to given index | |
503 | // | |
504 | if (index[1]<fNInnerSector) | |
505 | xyz[0] -=index[2]*fInnerPadPitchLength+fPadRowLow[0]; | |
506 | else | |
507 | xyz[0] -=index[2]*fOuterPadPitchLength+fPadRowUp[0]; | |
508 | index[0] =4; | |
509 | } | |
510 | ||
511 | inline void AliTPCParam::Transform4to3(Float_t *xyz, Int_t *index) const | |
512 | { | |
513 | // | |
514 | //valid only for straight rows | |
515 | //transforms relative xyz[0] to the global one within given sector | |
516 | // | |
517 | if (index[1]<fNInnerSector) | |
518 | xyz[0] +=index[2]*fInnerPadPitchLength+fPadRowLow[0]; | |
519 | else | |
520 | xyz[0] +=index[2]*fOuterPadPitchLength+fPadRowUp[0]; | |
521 | index[0] =3; | |
522 | } | |
523 | ||
524 | ||
525 | inline void AliTPCParam::Transform2to5( Float_t *xyz, Int_t *index) const | |
526 | { | |
527 | // | |
528 | //transform [x,y,z] to [r,phi,z] | |
529 | // | |
530 | Float_t angle; | |
531 | Float_t r = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]); | |
532 | if ((xyz[0]==0)&&(xyz[1]==0)) angle = 0; | |
533 | else | |
534 | { | |
535 | angle =TMath::ASin(xyz[1]/r); | |
536 | if (xyz[0]<0) angle=TMath::Pi()-angle; | |
537 | if ( (xyz[0]>0) && (xyz[1]<0) ) angle=2*TMath::Pi()+angle; | |
538 | } | |
539 | xyz[0]=r; | |
540 | xyz[1]=angle; | |
541 | index[0]=5; | |
542 | } | |
543 | ||
544 | inline void AliTPCParam::Transform5to2( Float_t *xyz, Int_t *index) const | |
545 | { | |
546 | // | |
547 | //transform [r,rphi,z] to [x,y,z] | |
548 | // | |
549 | Float_t r = xyz[0]; | |
550 | Float_t angle= xyz[1]; | |
551 | xyz[0]=r*TMath::Cos(angle); | |
552 | xyz[1]=r*TMath::Sin(angle); | |
553 | index[0]=2; | |
554 | } | |
555 | ||
556 | inline void AliTPCParam::Transform4to8(Float_t *xyz, Int_t *index) const | |
557 | { | |
558 | // | |
559 | //transform xyz coordinates to 'digit' coordinates | |
560 | // | |
561 | if (index[1]<fNInnerSector) { | |
562 | xyz[0]/=fInnerPadPitchLength; | |
563 | xyz[1]/=fInnerPadPitchWidth; | |
564 | xyz[2]/=fZWidth; | |
565 | } | |
566 | else{ | |
567 | xyz[0]/=fOuterPadPitchLength; | |
568 | xyz[1]/=fOuterPadPitchWidth; | |
569 | xyz[2]/=fZWidth; | |
570 | } | |
571 | index[0]=8; | |
572 | } | |
573 | ||
574 | inline void AliTPCParam::Transform8to4(Float_t *xyz, Int_t *index) const | |
575 | { | |
576 | // | |
577 | //transforms 'digit' coordinates to xyz coordinates | |
578 | // | |
579 | if (index[1]<fNInnerSector) { | |
580 | xyz[0]*=fInnerPadPitchLength; | |
581 | xyz[1]*=fInnerPadPitchWidth; | |
582 | xyz[2]*=fZWidth; | |
583 | } | |
584 | else{ | |
585 | xyz[0]*=fOuterPadPitchLength; | |
586 | xyz[1]*=fOuterPadPitchWidth; | |
587 | xyz[2]*=fZWidth; | |
588 | } | |
589 | index[0]=4; | |
590 | } | |
591 | ||
592 | inline void AliTPCParam::Transform6to8(Float_t *xyz, Int_t *index) const | |
593 | { | |
594 | // | |
595 | //transforms cylindrical xyz coordinates to 'digit' coordinates | |
596 | // | |
597 | ||
598 | if (index[1]<fNInnerSector) { | |
599 | xyz[0]/=fInnerPadPitchLength; | |
600 | xyz[1]*=xyz[0]/fInnerPadPitchWidth; | |
601 | xyz[2]/=fZWidth; | |
602 | } | |
603 | else{ | |
604 | xyz[0]/=fOuterPadPitchLength; | |
605 | xyz[1]*=xyz[0]/fOuterPadPitchWidth; | |
606 | xyz[2]/=fZWidth; | |
607 | } | |
608 | index[0]=8; | |
609 | } | |
610 | ||
611 | inline void AliTPCParam::Transform8to6(Float_t *xyz, Int_t *index) const | |
612 | { | |
613 | // | |
614 | //transforms 'digit' coordinates to cylindrical xyz coordinates | |
615 | // | |
616 | ||
617 | if (index[1]<fNInnerSector) { | |
618 | xyz[0]*=fInnerPadPitchLength; | |
619 | xyz[1]/=xyz[0]/fInnerPadPitchWidth; | |
620 | xyz[2]*=fZWidth; | |
621 | } | |
622 | else{ | |
623 | xyz[0]*=fOuterPadPitchLength; | |
624 | xyz[1]/=xyz[0]/fOuterPadPitchWidth; | |
625 | xyz[2]*=fZWidth; | |
626 | } | |
627 | index[0]=6; | |
628 | } | |
8c555625 | 629 | |
630 | ||
631 | ||
632 | #endif |