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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 | ||
176aff27 | 66 | virtual Int_t Transform2toPadRow(Float_t */*xyz*/, Int_t */*index*/) const{return 0;} |
cc80f89e | 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 | |
176aff27 | 72 | virtual void XYZtoCRXYZ(Float_t */*xyz*/, |
73 | Int_t &/*sector*/, Int_t &/*padrow*/, Int_t /*option*/) 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 | ||
176aff27 | 80 | virtual void CRXYZtoXYZ(Float_t */*xyz*/, |
81 | const Int_t &/*sector*/, const Int_t & /*padrow*/, Int_t /*option*/) const {;} | |
8c555625 | 82 | //transform relative position to the gloabal position |
83 | ||
176aff27 | 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) | |
176aff27 | 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*/){;} | |
cc80f89e | 92 | //transform position in cm to position in digit unit |
176aff27 | 93 | virtual Int_t CalcResponse(Float_t* /*x*/, Int_t * /*index*/, Int_t /*row*/){return 0;} |
cc80f89e | 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 | |
8569a2b0 | 101 | Int_t GetIndex(Int_t sector, Int_t row) const; //give index of the given sector and pad row |
cc80f89e | 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 | // | |
f03e3423 | 129 | // pad rows geometry |
130 | // | |
131 | void SetRowNLow( Int_t NRowLow){fNRowLow = NRowLow;} | |
132 | void SetRowNUp1 (Int_t NRowUp1){fNRowUp1 = NRowUp1 ;} //upper sec short pads | |
133 | void SetRowNUp2 (Int_t NRowUp2){fNRowUp2 = NRowUp2 ;} //upper sec long pads | |
134 | void SetRowNUp (Int_t NRowUp){fNRowUp = NRowUp ;} | |
135 | // | |
cc80f89e | 136 | //set wire parameters |
137 | // | |
138 | void SetInnerNWires(Int_t nWires){ fNInnerWiresPerPad=nWires;} | |
139 | void SetInnerDummyWire(Int_t dummy) {fInnerDummyWire = dummy;} | |
140 | void SetInnerOffWire(Float_t offset) {fInnerOffWire =offset;} | |
f03e3423 | 141 | void SetOuter1NWires(Int_t nWires){ fNOuter1WiresPerPad=nWires;} |
142 | void SetOuter2NWire(Int_t nWires){ fNOuter2WiresPerPad=nWires;} | |
cc80f89e | 143 | void SetOuterDummyWire(Int_t dummy) {fOuterDummyWire = dummy;} |
f03e3423 | 144 | void SetOuterOffWire(Float_t offset) {fOuterOffWire =offset;} |
145 | void SetInnerWWPitch( Float_t wwPitch) {fInnerWWPitch = wwPitch;} | |
146 | void SetRInnerFirstWire(Float_t firstWire){fRInnerFirstWire = firstWire;} | |
147 | void SetRInnerLastWire(Float_t lastWire){fRInnerLastWire = lastWire;} | |
148 | void SetOuterWWPitch(Float_t wwPitch){fOuterWWPitch = wwPitch;} | |
149 | void SetLastWireUp1(Float_t wireUp1){fLastWireUp1 = wireUp1;} | |
150 | void SetROuterFirstWire(Float_t firstWire){fROuterFirstWire = firstWire;} | |
151 | void SetROuterLastWire(Float_t lastWire){fROuterLastWire = lastWire;} | |
cc80f89e | 152 | // |
153 | //set pad parameter | |
154 | // | |
155 | void SetInnerPadPitchLength(Float_t PadPitchLength){ fInnerPadPitchLength=PadPitchLength;} | |
156 | void SetInnerPadPitchWidth(Float_t PadPitchWidth){ fInnerPadPitchWidth = PadPitchWidth;} | |
157 | void SetInnerPadLength(Float_t PadLength){ fInnerPadLength=PadLength;} | |
f03e3423 | 158 | void SetInnerPadWidth(Float_t PadWidth) { fInnerPadWidth=PadWidth;} |
159 | void SetOuter1PadPitchLength(Float_t PadPitchLength){ fOuter1PadPitchLength=PadPitchLength;} | |
160 | void SetOuter2PadPitchLength(Float_t PadPitchLength){ fOuter2PadPitchLength=PadPitchLength;} | |
cc80f89e | 161 | void SetOuterPadPitchWidth(Float_t PadPitchWidth){ fOuterPadPitchWidth = PadPitchWidth;} |
f03e3423 | 162 | void SetOuter1PadLength(Float_t PadLength){ fOuter1PadLength=PadLength;} |
163 | void SetOuter2PadLength(Float_t PadLength){ fOuter2PadLength=PadLength;} | |
164 | void SetOuterPadWidth(Float_t PadWidth) { fOuterPadWidth=PadWidth;} | |
cc80f89e | 165 | void SetMWPCReadout(Bool_t type) {fBMWPCReadout = type;} |
166 | void SetNCrossRows(Int_t rows){fNCrossRows = rows;} | |
167 | // | |
168 | //set gas paremeters | |
169 | // | |
170 | void SetDiffT(Float_t DiffT){ fDiffT= DiffT;} | |
171 | void SetDiffL(Float_t DiffL){ fDiffL=DiffL;} | |
172 | void SetGasGain(Float_t GasGain){ fGasGain=GasGain;} | |
173 | void SetDriftV(Float_t DriftV){ fDriftV= DriftV;} | |
174 | void SetOmegaTau(Float_t OmegaTau){ fOmegaTau=OmegaTau;} | |
175 | void SetAttCoef(Float_t AttCoef){ fAttCoef=AttCoef;} | |
176 | void SetOxyCont(Float_t OxyCont){ fOxyCont=OxyCont;} | |
177 | // | |
178 | //set electronivc parameters | |
179 | // | |
180 | void SetPadCoupling(Float_t PadCoupling){ fPadCoupling=PadCoupling;} | |
181 | void SetZeroSup(Int_t ZeroSup) { fZeroSup=ZeroSup;} | |
182 | void SetNoise(Float_t Noise ) { fNoise= Noise;} | |
183 | void SetChipGain(Float_t ChipGain){ fChipGain= ChipGain;} | |
184 | void SetChipNorm(Float_t ChipNorm){ fChipNorm= ChipNorm;} | |
185 | void SetTSample(Float_t TSample) { fTSample=TSample;} | |
186 | void SetTFWHM(Float_t fwhm) { fTSigma=fwhm/2.35;} | |
187 | void SetMaxTBin(Int_t maxtbin) { fMaxTBin = maxtbin;} | |
188 | void SetADCSat(Int_t adcsat) { fADCSat = adcsat;} | |
189 | void SetADCDynRange(Float_t adcdynrange) {fADCDynRange = adcdynrange;} | |
190 | // | |
191 | //set response parameters | |
192 | // | |
193 | void SetNResponseMax(Int_t max) { fNResponseMax = max;} | |
194 | void SetResponseThreshold(Int_t threshold) {fResponseThreshold = threshold;} | |
195 | // | |
196 | //get sector parameters | |
197 | // | |
198 | Float_t GetInnerRadiusLow() const {return fInnerRadiusLow;} | |
199 | Float_t GetInnerRadiusUp() const {return fInnerRadiusUp;} | |
200 | Float_t GetOuterRadiusLow() const {return fOuterRadiusLow;} | |
201 | Float_t GetOuterRadiusUp() const {return fOuterRadiusUp;} | |
202 | Float_t GetInnerFrameSpace() const {return fInnerFrameSpace;} | |
203 | Float_t GetOuterFrameSpace() const {return fOuterFrameSpace;} | |
204 | Float_t GetInnerWireMount() const {return fInnerWireMount;} | |
205 | Float_t GetOuterWireMount() const {return fOuterWireMount;} | |
206 | Float_t GetInnerAngle() const ; | |
207 | Float_t GetInnerAngleShift() const ; | |
208 | Float_t GetOuterAngle() const ; | |
209 | Float_t GetOuterAngleShift() const ; | |
210 | Int_t GetNInnerSector() const {return fNInnerSector;} | |
211 | Int_t GetNOuterSector() const {return fNOuterSector;} | |
212 | Int_t GetNSector() const {return fNSector;} | |
213 | Float_t GetZLength() const {return fZLength;} | |
214 | Int_t GetGeometryType() const {return fGeometryType;} | |
215 | ||
216 | // | |
217 | //get wires parameter | |
218 | // | |
219 | Int_t GetInnerNWires() const {return fNInnerWiresPerPad;} | |
220 | Float_t GetInnerWWPitch() const {return fInnerWWPitch;} | |
221 | Int_t GetInnerDummyWire() const {return fInnerDummyWire;} | |
222 | Float_t GetInnerOffWire() const {return fInnerOffWire;} | |
223 | Float_t GetRInnerFirstWire() const {return fRInnerFirstWire;} | |
224 | Float_t GetRInnerLastWire() const {return fRInnerLastWire;} | |
f03e3423 | 225 | Int_t GetOuter1NWires() const {return fNOuter1WiresPerPad;} |
226 | Int_t GetOuter2NWires() const {return fNOuter2WiresPerPad;} | |
cc80f89e | 227 | Float_t GetOuterWWPitch() const {return fOuterWWPitch;} |
228 | Int_t GetOuterDummyWire() const {return fOuterDummyWire;} | |
229 | Float_t GetOuterOffWire() const {return fOuterOffWire;} | |
f03e3423 | 230 | Float_t GetLastWireUp1() {return fLastWireUp1;} |
cc80f89e | 231 | Float_t GetROuterFirstWire() const {return fROuterFirstWire;} |
232 | Float_t GetROuterLastWire() const {return fROuterLastWire;} | |
233 | Float_t GetWWPitch(Int_t isector = 0) const { | |
234 | return ( (isector < fNInnerSector) ? fInnerWWPitch :fOuterWWPitch);} | |
235 | // | |
236 | //get pad parameters | |
237 | // | |
238 | Float_t GetInnerPadPitchLength() const {return fInnerPadPitchLength;} | |
239 | Float_t GetInnerPadPitchWidth() const {return fInnerPadPitchWidth;} | |
240 | Float_t GetInnerPadLength() const {return fInnerPadLength;} | |
f03e3423 | 241 | Float_t GetInnerPadWidth() const {return fInnerPadWidth;} |
242 | Float_t GetOuter1PadPitchLength() const {return fOuter1PadPitchLength;} | |
243 | Float_t GetOuter2PadPitchLength() const {return fOuter2PadPitchLength;} | |
cc80f89e | 244 | Float_t GetOuterPadPitchWidth() const {return fOuterPadPitchWidth;} |
f03e3423 | 245 | Float_t GetOuter1PadLength() const {return fOuter1PadLength;} |
246 | Float_t GetOuter2PadLength() const {return fOuter2PadLength;} | |
cc80f89e | 247 | Float_t GetOuterPadWidth() const {return fOuterPadWidth;} |
248 | Bool_t GetMWPCReadout() const {return fBMWPCReadout;} | |
249 | Int_t GetNCrossRows() const {return fNCrossRows;} | |
250 | Float_t GetPadPitchWidth(Int_t isector = 0) const { | |
251 | return ( (isector < fNInnerSector) ? fInnerPadPitchWidth :fOuterPadPitchWidth);} | |
f03e3423 | 252 | Float_t GetPadPitchLength(Int_t isector = 0, Int_t padrow=0) const |
253 | { | |
254 | if (isector < fNInnerSector) {return fInnerPadPitchLength;} | |
255 | else { | |
256 | return ((padrow<fNRowUp1) ? fOuter1PadPitchLength:fOuter2PadPitchLength); | |
257 | } | |
258 | } | |
8c555625 | 259 | Int_t GetNRowLow() const; //get the number of pad rows in low sector |
260 | Int_t GetNRowUp() const; //get the number of pad rows in up sector | |
f03e3423 | 261 | Int_t GetNRowUp1() const; // number of short rows in up sector |
262 | Int_t GetNRowUp2() const; // number of long rows in up sector | |
cc80f89e | 263 | Int_t GetNRow(Int_t isec) const {return ((isec<fNInnerSector) ? fNRowLow:fNRowUp);} |
264 | Int_t GetNRowsTotal(){return fNtRows;} //get total nuber of rows | |
8c555625 | 265 | Float_t GetPadRowRadiiLow(Int_t irow) const; //get the pad row (irow) radii |
266 | Float_t GetPadRowRadiiUp(Int_t irow) const; //get the pad row (irow) radii | |
267 | Float_t GetPadRowRadii(Int_t isec,Int_t irow) const { | |
1283eee5 | 268 | return ( (isec < fNInnerSector) ?GetPadRowRadiiLow(irow):GetPadRowRadiiUp(irow));} |
cc80f89e | 269 | //retrun radii of the pad row irow in sector i |
8c555625 | 270 | Int_t GetNPadsLow(Int_t irow) const; //get the number of pads in row irow |
271 | Int_t GetNPadsUp(Int_t irow) const; //get the number of pads in row irow | |
cc80f89e | 272 | Int_t GetNPads(Int_t isector,Int_t irow) const{ |
f03e3423 | 273 | return ( (isector < fNInnerSector) ?GetNPadsLow(irow) : GetNPadsUp(irow));} |
274 | ||
275 | Float_t GetYInner(Int_t irow) const; // wire length in low sec row | |
276 | Float_t GetYOuter(Int_t irow) const; // wire length in up sec row | |
cc80f89e | 277 | // |
278 | //get GAS parameters | |
279 | // | |
280 | Float_t GetDiffT() const {return fDiffT;} | |
281 | Float_t GetDiffL() const {return fDiffL;} | |
282 | Float_t GetGasGain() const {return fGasGain;} | |
283 | Float_t GetDriftV() const {return fDriftV;} | |
284 | Float_t GetOmegaTau() const {return fOmegaTau;} | |
285 | Float_t GetAttCoef() const {return fAttCoef;} | |
286 | Float_t GetOxyCont() const {return fOxyCont;} | |
287 | // | |
288 | //get Electronic parameters | |
289 | // | |
290 | Float_t GetPadCoupling() const {return fPadCoupling;} | |
291 | Int_t GetZeroSup() const {return fZeroSup;} | |
292 | Float_t GetNoise() const {return fNoise;} | |
293 | Float_t GetChipGain() const {return fChipGain;} | |
294 | Float_t GetChipNorm() const {return fChipNorm;} | |
295 | Float_t GetTSample() const {return fTSample;} | |
296 | Float_t GetZWidth() const {return fZWidth;} | |
297 | Float_t GetTFWHM() const {return fTSigma*2.35;} | |
298 | Float_t GetZSigma() const {return fTSigma*fDriftV;} | |
299 | virtual Float_t GetZOffset() {return 3*fTSigma*fDriftV;} | |
300 | Int_t GetMaxTBin() const {return fMaxTBin;} | |
301 | Int_t GetADCSat() const {return fADCSat;} | |
302 | Float_t GetADCDynRange() const {return fADCDynRange;} | |
303 | Float_t GetTotalNormFac() const {return fTotalNormFac;} | |
304 | Float_t GetNoiseNormFac() const {return fNoiseNormFac;} | |
305 | // | |
306 | // get response data | |
307 | // | |
73042f01 | 308 | Int_t * GetResBin(Int_t i); |
cc80f89e | 309 | //return response bin i - bin given by padrow [0] pad[1] timebin[2] |
de61d5d5 | 310 | Float_t & GetResWeight(Int_t i); |
cc80f89e | 311 | //return weight of response bin i |
312 | protected : | |
8c555625 | 313 | |
8c555625 | 314 | Bool_t fbStatus; //indicates consistency of the data |
315 | //--------------------------------------------------------------------- | |
316 | // ALICE TPC sector geometry | |
cc80f89e | 317 | //-------------------------------------------------------------------- |
318 | Float_t fInnerRadiusLow; // lower radius of inner sector-IP | |
319 | Float_t fInnerRadiusUp; // upper radius of inner sector-IP | |
320 | Float_t fOuterRadiusUp; // upper radius of outer sector-IP | |
321 | Float_t fOuterRadiusLow; // lower radius of outer sector-IP | |
322 | Float_t fInnerAngle; //opening angle of Inner sector | |
323 | Float_t fInnerAngleShift; //shift of first inner sector center to the 0 | |
324 | Float_t fOuterAngle; //opening angle of outer sector | |
325 | Float_t fOuterAngleShift; //shift of first sector center to the 0 | |
326 | Float_t fInnerFrameSpace; //space for inner frame in the phi direction | |
327 | Float_t fOuterFrameSpace; //space for outer frame in the phi direction | |
328 | Float_t fInnerWireMount; //space for wire mount, inner sector | |
329 | Float_t fOuterWireMount; //space for wire mount, outer sector | |
0bbae0f2 | 330 | Int_t fNInnerSector; //number of inner sectors -calculated |
331 | Int_t fNOuterSector; //number of outer sectors -calculated | |
332 | Int_t fNSector; // total number of sectors -calculated | |
cc80f89e | 333 | Float_t fZLength; //length of the drift region of the TPC |
0bbae0f2 | 334 | Float_t *fRotAngle; //[fNSector] sin and cos of rotation angles for |
cc80f89e | 335 | // diferent sectors -calculated |
336 | Int_t fGeometryType; //type of geometry -0 straight rows | |
337 | //1-cylindrical | |
338 | //--------------------------------------------------------------------- | |
339 | // ALICE TPC wires geometry - for GEM we can consider that it is gating | |
8c555625 | 340 | //-------------------------------------------------------------------- |
0bbae0f2 | 341 | Int_t fNInnerWiresPerPad; //Number of wires per pad |
342 | Float_t fInnerWWPitch; //pitch between wires in inner sector - calculated | |
cc80f89e | 343 | Int_t fInnerDummyWire; //number of wires without pad readout |
344 | Float_t fInnerOffWire; //oofset of first wire to the begining of the sector | |
345 | Float_t fRInnerFirstWire; //position of the first wire -calculated | |
346 | Float_t fRInnerLastWire; //position of the last wire -calculated | |
f03e3423 | 347 | Float_t fLastWireUp1; //position of the last wire in outer1 sector |
348 | Int_t fNOuter1WiresPerPad; //Number of wires per pad | |
349 | Int_t fNOuter2WiresPerPad; | |
0bbae0f2 | 350 | Float_t fOuterWWPitch; //pitch between wires in outer sector -calculated |
cc80f89e | 351 | Int_t fOuterDummyWire; //number of wires without pad readout |
352 | Float_t fOuterOffWire; //oofset of first wire to the begining of the sector | |
353 | Float_t fROuterFirstWire; //position of the first wire -calulated | |
354 | Float_t fROuterLastWire; //position of the last wire -calculated | |
1283eee5 | 355 | //--------------------------------------------------------------------- |
356 | // ALICE TPC pad parameters | |
357 | //-------------------------------------------------------------------- | |
cc80f89e | 358 | Float_t fInnerPadPitchLength; //Inner pad pitch length |
359 | Float_t fInnerPadPitchWidth; //Inner pad pitch width | |
360 | Float_t fInnerPadLength; //Inner pad length | |
361 | Float_t fInnerPadWidth; //Inner pad width | |
f03e3423 | 362 | Float_t fOuter1PadPitchLength; //Outer pad pitch length |
363 | Float_t fOuter2PadPitchLength; | |
cc80f89e | 364 | Float_t fOuterPadPitchWidth; //Outer pad pitch width |
f03e3423 | 365 | Float_t fOuter1PadLength; //Outer pad length |
366 | Float_t fOuter2PadLength; | |
cc80f89e | 367 | Float_t fOuterPadWidth; //Outer pad width |
368 | Bool_t fBMWPCReadout; //indicate wire readout - kTRUE or GEM readout -kFALSE | |
369 | Int_t fNCrossRows; //number of rows to crostalk calculation | |
370 | ||
f03e3423 | 371 | Int_t fNRowLow; //number of pad rows per low sector -set |
372 | Int_t fNRowUp1; //number of short pad rows per sector up -set | |
373 | Int_t fNRowUp2; //number of long pad rows per sector up -set | |
cc80f89e | 374 | Int_t fNRowUp; //number of pad rows per sector up -calculated |
375 | Int_t fNtRows; //total number of rows in TPC -calculated | |
376 | Float_t fPadRowLow[600]; //Lower sector, pad row radii -calculated | |
377 | Float_t fPadRowUp[600]; //Upper sector, pad row radii -calculated | |
378 | Int_t fNPadsLow[600]; //Lower sector, number of pads per row -calculated | |
f03e3423 | 379 | Int_t fNPadsUp[600]; //Upper sector, number of pads per row -calculated |
380 | Float_t fYInner[600]; //Inner sector, wire-length | |
381 | Float_t fYOuter[600]; //Outer sector, wire-length | |
8c555625 | 382 | //--------------------------------------------------------------------- |
383 | // ALICE TPC Gas Parameters | |
384 | //-------------------------------------------------------------------- | |
385 | Float_t fDiffT; //tangencial diffusion constant | |
386 | Float_t fDiffL; //longutudinal diffusion constant | |
387 | Float_t fGasGain; //gas gain constant | |
cc80f89e | 388 | Float_t fDriftV; //drift velocity constant |
8c555625 | 389 | Float_t fOmegaTau; //omega tau ExB coeficient |
390 | Float_t fAttCoef; //attachment coefitients | |
391 | Float_t fOxyCont; //oxygen content | |
392 | //--------------------------------------------------------------------- | |
393 | // ALICE TPC Electronics Parameters | |
394 | //-------------------------------------------------------------------- | |
395 | Float_t fPadCoupling; //coupling factor ration of anode signal | |
396 | //and total pads signal | |
cc80f89e | 397 | Int_t fZeroSup; //zero suppresion constant |
398 | Float_t fNoise; //noise sigma constant | |
399 | Float_t fChipGain; //preamp shaper constant | |
400 | Float_t fChipNorm; //preamp shaper normalisation | |
401 | Float_t fTSample; //sampling time | |
402 | Float_t fZWidth; //derived value calculated using TSample and driftw -computed | |
403 | Float_t fTSigma; //width of the Preamp/Shaper function | |
404 | Int_t fMaxTBin; //maximum time bin number | |
405 | Int_t fADCSat; //saturation value of ADC (10 bits) | |
406 | Float_t fADCDynRange; //input dynamic range (mV) | |
407 | Float_t fTotalNormFac; //full normalisation factor - calculated | |
408 | Float_t fNoiseNormFac; //normalisation factor to transform noise in electron to ADC channel | |
409 | ||
410 | ||
411 | protected: | |
412 | //--------------------------------------------------------------------- | |
413 | // ALICE TPC response data | |
414 | //--------------------------------------------------------------------- | |
415 | Int_t fNResponseMax; //maximal dimension of response | |
416 | Float_t fResponseThreshold; //threshold for accepted response | |
0bbae0f2 | 417 | Int_t fCurrentMax; //!current maximal dimension -calulated |
418 | Int_t *fResponseBin; //!array with bins -calulated | |
419 | Float_t *fResponseWeight; //!array with response -calulated | |
cc80f89e | 420 | |
946e3ae7 | 421 | ClassDef(AliTPCParam,3) //parameter object for set:TPC |
8c555625 | 422 | }; |
423 | ||
cc80f89e | 424 | |
425 | inline Int_t * AliTPCParam::GetResBin(Int_t i) | |
426 | { | |
427 | //return response bin i - bin given by padrow [0] pad[1] timebin[2] | |
428 | if (i<fCurrentMax) return &fResponseBin[i*3]; | |
429 | else return 0; | |
430 | }; | |
431 | ||
de61d5d5 | 432 | inline Float_t &AliTPCParam::GetResWeight(Int_t i) |
cc80f89e | 433 | { |
434 | //return weight of response bin i | |
435 | if (i<fCurrentMax) return fResponseWeight[i]; | |
de61d5d5 | 436 | else return fResponseWeight[i]; |
cc80f89e | 437 | } |
8c555625 | 438 | |
cc80f89e | 439 | |
73042f01 | 440 | inline void AliTPCParam::AdjustCosSin(Int_t isec, Float_t &cos, Float_t &sin) const |
cc80f89e | 441 | { |
442 | // | |
443 | //set cosinus and sinus of rotation angles for sector isec | |
444 | // | |
445 | cos=fRotAngle[isec*4]; | |
446 | sin=fRotAngle[isec*4+1]; | |
447 | } | |
448 | ||
73042f01 | 449 | inline Float_t AliTPCParam::GetAngle(Int_t isec) const |
cc80f89e | 450 | { |
451 | // | |
452 | //return rotation angle of given sector | |
453 | // | |
454 | return fRotAngle[isec*4+2]; | |
455 | } | |
456 | ||
457 | ||
458 | inline void AliTPCParam::Transform1to2(Float_t *xyz, Int_t *index) const | |
459 | { | |
460 | //transformation to rotated coordinates | |
461 | //we must have information about sector! | |
462 | ||
463 | //rotate to given sector | |
464 | Float_t cos,sin; | |
465 | AdjustCosSin(index[1],cos,sin); | |
466 | Float_t x1=xyz[0]*cos + xyz[1]*sin; | |
467 | Float_t y1=-xyz[0]*sin + xyz[1]*cos; | |
468 | xyz[0]=x1; | |
469 | xyz[1]=y1; | |
470 | xyz[2]=fZLength-TMath::Abs(xyz[2]); | |
471 | index[0]=2; | |
472 | } | |
473 | ||
474 | inline void AliTPCParam::Transform2to1(Float_t *xyz, Int_t *index) const | |
475 | { | |
476 | // | |
477 | //transformation from rotated coordinates to global coordinates | |
478 | // | |
479 | Float_t cos,sin; | |
480 | AdjustCosSin(index[1],cos,sin); | |
481 | Float_t x1=xyz[0]*cos - xyz[1]*sin; | |
482 | Float_t y1=xyz[0]*sin + xyz[1]*cos; | |
483 | xyz[0]=x1; | |
484 | xyz[1]=y1; | |
485 | xyz[2]=fZLength-xyz[2]; | |
486 | if (index[1]<fNInnerSector) | |
487 | if ( index[1]>=(fNInnerSector>>1)) xyz[2]*=-1.; | |
488 | else | |
489 | if ( (index[1]-fNInnerSector) > (fNOuterSector>>1) ) xyz[2]*=-1; | |
490 | index[0]=1; | |
491 | } | |
492 | ||
493 | inline void AliTPCParam::Transform2to2(Float_t *xyz, Int_t *index, Int_t *oindex) const | |
494 | { | |
495 | //transform rotated coordinats of one sector to rotated | |
496 | //coordinates relative to another sector | |
497 | Transform2to1(xyz,index); | |
498 | Transform1to2(xyz,oindex); | |
499 | index[0]=2; | |
500 | index[1]=oindex[1]; | |
501 | } | |
502 | ||
503 | inline Float_t AliTPCParam::Transform2to2NearestWire(Float_t *xyz, Int_t *index) const | |
504 | { | |
505 | // | |
506 | // asigns the x-position of the closest wire to xyz[0], return the | |
507 | // electron to closest wire distance | |
508 | // | |
509 | Float_t xnew,dx; | |
510 | if (index[1]<fNInnerSector) { | |
511 | xnew = fRInnerFirstWire+TMath::Nint((xyz[0]-fRInnerFirstWire)/fInnerWWPitch)*fInnerWWPitch; | |
b9d0a01d | 512 | } |
cc80f89e | 513 | else { |
514 | xnew = fROuterFirstWire+TMath::Nint((xyz[0]-fROuterFirstWire)/fOuterWWPitch)*fOuterWWPitch; | |
515 | } | |
516 | dx = xnew-xyz[0]; | |
517 | xyz[0]=xnew; | |
518 | return dx; | |
519 | } | |
520 | ||
521 | inline Int_t AliTPCParam::Transform2to3(Float_t *xyz, Int_t *index) const | |
522 | { | |
523 | // | |
524 | //calulates coresponding pad row number, sets index[2] for straight rows | |
525 | //does not change xyz[] information | |
526 | //valid only for straight row | |
527 | // | |
528 | if (index[1]<fNInnerSector) | |
529 | index[2] =TMath::Nint((xyz[0]-fPadRowLow[0])/fInnerPadPitchLength); | |
530 | else | |
f03e3423 | 531 | if (xyz[0] < fLastWireUp1 ) |
532 | index[2] = TMath::Nint((xyz[0]-fPadRowUp[0])/fOuter1PadPitchLength); | |
533 | else | |
534 | index[2] = TMath::Nint(fNRowUp1+(xyz[0]-fPadRowUp[64])/fOuter2PadPitchLength); | |
cc80f89e | 535 | index[0]=3; |
536 | return index[2]; | |
537 | } | |
538 | ||
539 | inline void AliTPCParam::Transform3to4(Float_t *xyz, Int_t *index) const | |
540 | { | |
541 | // | |
542 | //valid only for straight rows straight rows | |
543 | //calculate xyz[0] position relative to given index | |
544 | // | |
545 | if (index[1]<fNInnerSector) | |
546 | xyz[0] -=index[2]*fInnerPadPitchLength+fPadRowLow[0]; | |
547 | else | |
f03e3423 | 548 | if (index[2]<fNRowUp1) |
549 | xyz[0] -=index[2]*fOuter1PadPitchLength+fPadRowUp[0]; | |
550 | else | |
551 | xyz[0] -=(index[2]-fNRowUp1)*fOuter2PadPitchLength+fPadRowUp[64]; | |
cc80f89e | 552 | index[0] =4; |
553 | } | |
554 | ||
555 | inline void AliTPCParam::Transform4to3(Float_t *xyz, Int_t *index) const | |
556 | { | |
557 | // | |
558 | //valid only for straight rows | |
559 | //transforms relative xyz[0] to the global one within given sector | |
560 | // | |
561 | if (index[1]<fNInnerSector) | |
562 | xyz[0] +=index[2]*fInnerPadPitchLength+fPadRowLow[0]; | |
563 | else | |
f03e3423 | 564 | if(index[2]<fNRowUp1) |
565 | xyz[0] +=index[2]*fOuter1PadPitchLength+fPadRowUp[0]; | |
566 | else | |
567 | xyz[0] +=index[2]*fOuter2PadPitchLength+fPadRowUp[64]; | |
cc80f89e | 568 | index[0] =3; |
569 | } | |
570 | ||
571 | ||
572 | inline void AliTPCParam::Transform2to5( Float_t *xyz, Int_t *index) const | |
573 | { | |
574 | // | |
575 | //transform [x,y,z] to [r,phi,z] | |
576 | // | |
577 | Float_t angle; | |
578 | Float_t r = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]); | |
579 | if ((xyz[0]==0)&&(xyz[1]==0)) angle = 0; | |
580 | else | |
581 | { | |
582 | angle =TMath::ASin(xyz[1]/r); | |
583 | if (xyz[0]<0) angle=TMath::Pi()-angle; | |
584 | if ( (xyz[0]>0) && (xyz[1]<0) ) angle=2*TMath::Pi()+angle; | |
585 | } | |
586 | xyz[0]=r; | |
587 | xyz[1]=angle; | |
588 | index[0]=5; | |
589 | } | |
590 | ||
591 | inline void AliTPCParam::Transform5to2( Float_t *xyz, Int_t *index) const | |
592 | { | |
593 | // | |
594 | //transform [r,rphi,z] to [x,y,z] | |
595 | // | |
596 | Float_t r = xyz[0]; | |
597 | Float_t angle= xyz[1]; | |
598 | xyz[0]=r*TMath::Cos(angle); | |
599 | xyz[1]=r*TMath::Sin(angle); | |
600 | index[0]=2; | |
601 | } | |
602 | ||
603 | inline void AliTPCParam::Transform4to8(Float_t *xyz, Int_t *index) const | |
604 | { | |
605 | // | |
606 | //transform xyz coordinates to 'digit' coordinates | |
607 | // | |
f03e3423 | 608 | |
609 | xyz[2]/=fZWidth; | |
cc80f89e | 610 | if (index[1]<fNInnerSector) { |
611 | xyz[0]/=fInnerPadPitchLength; | |
612 | xyz[1]/=fInnerPadPitchWidth; | |
cc80f89e | 613 | } |
f03e3423 | 614 | else{ |
615 | xyz[1]/=fOuterPadPitchWidth; | |
616 | if (index[2]<fNRowUp1 ) xyz[0]/=fOuter1PadPitchLength; | |
617 | else xyz[0]/=fOuter2PadPitchLength; | |
618 | } | |
cc80f89e | 619 | index[0]=8; |
620 | } | |
621 | ||
622 | inline void AliTPCParam::Transform8to4(Float_t *xyz, Int_t *index) const | |
623 | { | |
624 | // | |
625 | //transforms 'digit' coordinates to xyz coordinates | |
626 | // | |
f03e3423 | 627 | xyz[2]*=fZWidth; |
cc80f89e | 628 | if (index[1]<fNInnerSector) { |
629 | xyz[0]*=fInnerPadPitchLength; | |
f03e3423 | 630 | xyz[1]*=fInnerPadPitchWidth; |
cc80f89e | 631 | } |
f03e3423 | 632 | else{ |
633 | xyz[1]*=fOuterPadPitchWidth; | |
634 | if (index[2] < fNRowUp1 ) xyz[0]*=fOuter1PadPitchLength; | |
635 | else xyz[0]*=fOuter2PadPitchLength; | |
636 | } | |
cc80f89e | 637 | index[0]=4; |
638 | } | |
639 | ||
640 | inline void AliTPCParam::Transform6to8(Float_t *xyz, Int_t *index) const | |
641 | { | |
642 | // | |
643 | //transforms cylindrical xyz coordinates to 'digit' coordinates | |
644 | // | |
f03e3423 | 645 | xyz[2]/=fZWidth; |
cc80f89e | 646 | if (index[1]<fNInnerSector) { |
647 | xyz[0]/=fInnerPadPitchLength; | |
648 | xyz[1]*=xyz[0]/fInnerPadPitchWidth; | |
cc80f89e | 649 | } |
f03e3423 | 650 | else{ |
cc80f89e | 651 | xyz[1]*=xyz[0]/fOuterPadPitchWidth; |
f03e3423 | 652 | if (index[2] < fNRowUp1 ) xyz[0]/=fOuter1PadPitchLength; |
653 | else xyz[0]/=fOuter2PadPitchLength; | |
654 | } | |
cc80f89e | 655 | index[0]=8; |
656 | } | |
657 | ||
658 | inline void AliTPCParam::Transform8to6(Float_t *xyz, Int_t *index) const | |
659 | { | |
660 | // | |
661 | //transforms 'digit' coordinates to cylindrical xyz coordinates | |
662 | // | |
f03e3423 | 663 | xyz[2]*=fZWidth; |
cc80f89e | 664 | if (index[1]<fNInnerSector) { |
665 | xyz[0]*=fInnerPadPitchLength; | |
666 | xyz[1]/=xyz[0]/fInnerPadPitchWidth; | |
cc80f89e | 667 | } |
f03e3423 | 668 | else{ |
669 | xyz[1]/=xyz[0]/fOuterPadPitchWidth; | |
670 | if (index[2] < fNRowUp1 ) xyz[0]*=fOuter1PadPitchLength; | |
671 | else xyz[0]*=fOuter2PadPitchLength; | |
672 | } | |
cc80f89e | 673 | index[0]=6; |
674 | } | |
8c555625 | 675 | |
8c555625 | 676 | #endif |