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Corrections to obey the coding conventions (D.Favretto)
[u/mrichter/AliRoot.git] / TPC / AliTPCClusterFinder.h
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cc80f89e 1#ifndef TCLUSTERFINDER_H
2#define TCLUSTERFINDER_H
cc80f89e 3
cc80f89e 4
5// include files and class forward declarations
6#include "TObject.h"
7#include "TH2.h"
67d37b32 8//#include "AliComplexCluster.h"
73042f01 9
cc80f89e 10class TClonesArray;
67d37b32 11class AliComplexCluster;
cc80f89e 12class AliCell;
13class AliArrayI;
14class AliDetectorParam;
15class TMinuit;
16class AliH2F;
67d37b32 17class AliDigitCluster;
73042f01 18
19class AliTPCClusterFinder : public TObject {
cc80f89e 20
21public:
73042f01 22 AliTPCClusterFinder();
cc80f89e 23 // constructor which create cluster finder object
73042f01 24 ~AliTPCClusterFinder();
cc80f89e 25 void GetHisto(TH2F * his2);
26 //reset object to include histograms values
27 TClonesArray * FindPeaks1( TClonesArray *arr=0);
28 TClonesArray * FindPeaks2( TClonesArray *arr=0);
29 TClonesArray * FindPeaks3( TClonesArray *arr=0);
30
31 void FindMaxima();
32 // if at point is local maximum return cell with maximum information (for testing only
33 Int_t & GetNType(){return fNType;} //return type of neighborow for max determinatio
34 void SetThreshold(Float_t threshold) { fThreshold = threshold;}
35 void SetNoise(Float_t noise) {fNoiseTh =noise;}
36 void SetDirSigmaFac(Float_t fac) {fDirSigmaFac = fac;}
37 void SetDirAmpFac(Float_t fac) {fDirAmpFac = fac;}
38
cc80f89e 39 void SetDetectorIndex(Int_t *index) {fDetectorIndex = index;}
40 //set index of described detector
41 Bool_t SetSigma2(Int_t i, Int_t j, Float_t & sigmax2, Float_t & sigmay2);
42 //set sigmax and sigma y accordig i and j position of cell
43 void SetMulSigma(Float_t sigma) {fMulSigma2= sigma*sigma;}
44 AliArrayI * GetStack(){return fStack;}
45 Int_t GetStackIndex(){return fStackIndex;}
46 void SetBFit(Bool_t fit) {fBFit = fit;}
47 TMinuit * GetMinuit() {return fMinuit;}
73042f01 48 AliH2F * DrawHisto( const char *option,Float_t x1=-1, Float_t x2=-1, Float_t y1=-1, Float_t y2=-1);
cc80f89e 49 //draw digits
50 void DrawCluster(Int_t color=5, Int_t size=5, Int_t style=4);
51 AliH2F * DrawBorders( const char *option=0, AliH2F *his=0, Int_t type =0, Float_t x1=-1, Float_t x2=-1, Float_t y1=-1, Float_t y2=-1);
52 //draw digits
73042f01 53
54 void SetSigmaX(Float_t s0, Float_t s1x, Float_t s1y);
55 void SetSigmaY(Float_t s0, Float_t s1x, Float_t s1y);
56
cc80f89e 57public:
58 Bool_t IsMaximum(Int_t i, Int_t j);
59 Bool_t IsVirtualMaximum(Float_t x, Float_t y);
60
61 void ResetSignal(); //reset signals to 0
62 void ResetStatus(); //reset status of signals to not used
63
64 AliCell * GetCell(Int_t i, Int_t j);
65 //return reference to the cell with index i,j
66 void SetBlockIndex(Int_t *index); //calculate which indexes we must check for border
73042f01 67 void SetDetectorParam(AliDetectorParam*param) {fDetectorParam = param;}
68 //set Detector parameters -necesssary to estimate cluster size
69
cc80f89e 70public:
73042f01 71
cc80f89e 72 void AddToStack(Int_t i, Int_t j, Int_t signal);
73 //add given cell to the stack of particles
74 void GetClusterStatistic(AliDigitCluster & cluster);
75 //go through the cluster and calculate statistic
76 void GetClusterFit(AliDigitCluster & cluster);
77 Bool_t CheckIfDirBorder(Float_t x, Float_t y, Int_t i,Int_t j);
78 //check if given cell is border
79 void Adjacent(Int_t i, Int_t j);
80 //recursion procedure
81 Float_t ItoX(Float_t i) {return (fX1)+(i+0.5)*(fX2-fX1)/fDimX;}
82 Float_t JtoY(Float_t j) {return (fY1)+(j+0.5)*(fY2-fY1)/fDimY;}
83
84 inline Bool_t IsChecked(Int_t index, Int_t i, Int_t j);
85 inline Bool_t IsBorder(Int_t index, Int_t i, Int_t j);
86 inline Bool_t IsThBorder(Int_t index, Int_t i, Int_t j);
87 inline Bool_t IsDirBorder(Int_t index, Int_t i, Int_t j);
88 inline Bool_t IsMaximum(Int_t index, Int_t i, Int_t j);
89 inline void SetChecked(Int_t index, Int_t i, Int_t j);
90 inline void SetBorder(Int_t index, Int_t i, Int_t j);
91 inline void SetThBorder(Int_t index, Int_t i, Int_t j);
92 inline void SetDirBorder(Int_t index, Int_t i, Int_t j);
93 inline void SetMaximum(Int_t index, Int_t i, Int_t j);
94
73042f01 95
cc80f89e 96 inline Int_t GetSignal(Int_t i, Int_t j);
73042f01 97 inline void SetSignal(Int_t signal, Int_t i, Int_t j);
cc80f89e 98 Float_t GetVirtualSignal(Float_t ri, Float_t rj);
99 //create new virtual cell and interpolate signal at position ri,rj
100
101 void Transform(AliDigitCluster *c);
102private:
103 Int_t fNType; //type of neighborow for maximum determination
104 Float_t fCurrentMaxX; //!current cluster maximum X index
105 Float_t fCurrentMaxY; //!current cluster maximum X index
106 Float_t fCurrentSigmaX2; //!current sigmax2 according detector (updated by function ...)
107 Float_t fCurrentSigmaY2;//!
108 Float_t fCurrentMaxAmp;//!current cluster maximum amplitude
109 Bool_t fBDistType; //
110 Bool_t fBFit; //
111 Float_t fMulSigma2; //
112 Float_t fDirSigmaFac; //!for direction border calculation
113 Float_t fDirAmpFac; //!for direction border calculation
114
115 Float_t fThreshold; //treshold;
116 Float_t fNoiseTh; //noise threshoshol to accept maximum
73042f01 117 Int_t *fDigits; //field with all digits
118 AliCell *fCells; //field with all cell status
cc80f89e 119
120
121 Int_t fIndex; //!index of current cluster
122 AliArrayI * fStack; //!stack with digits index
123 Int_t fStackIndex; //!stack index
124 TMinuit *fMinuit; //!minuit object
73042f01 125
126 //
cc80f89e 127 AliDetectorParam * fDetectorParam; //pointer to detector param - finder is not owner
128 Int_t * fDetectorIndex; // detector index -
73042f01 129 //
130 Float_t fSigmaX[3]; //x cluster size parametrization
131 Float_t fSigmaY[3]; //y cluster size parametrization
cc80f89e 132 //original frame
133 Float_t fX1;
134 Float_t fY1;
135 Float_t fX2;
136 Float_t fY2;
137 Int_t fDimX;
138 Int_t fDimY;
73042f01 139
cc80f89e 140 //
141 TClonesArray * fClustersArray; //array with current clusters
142 Bool_t rOK;
143 //signalize that all fields were initialised
67d37b32 144 ClassDef(AliTPCClusterFinder,2) // Cluster finder
cc80f89e 145};
146
147
148
149////////////////////////////////////////////////////////////////////////////
150////////////////////////////////////////////////////////////////////////////
151//objec AliCell
152
cc80f89e 153class AliCell{
73042f01 154private :
155 enum State {krCheck = 1,krBorder = 2,krThBorder = 4,krDirBorder = 8, krMaximum = 16,krIndexNull =0x1F};
cc80f89e 156public :
73042f01 157 AliCell(Int_t status = 0){fStatus = status;}
cc80f89e 158 //at the begining set
73042f01 159
cc80f89e 160 void SetStatus(Int_t status){fStatus = status;}
161 void SetChecked(Int_t index) {fStatus &=krIndexNull; fStatus+=(index<<5); fStatus|=krCheck;}
162 void SetChecked() {fStatus|=krCheck;}
163 void SetBorder(Int_t index) {fStatus &=krIndexNull; fStatus |= krBorder;fStatus+=(index<<5);}
164 void SetThBorder(Int_t index) {fStatus &=krIndexNull;fStatus|=krBorder|krThBorder;fStatus+=(index<<5);}
165 void SetDirBorder(Int_t index) {fStatus &=krIndexNull;fStatus|=krBorder|krDirBorder;fStatus+=(index<<5);}
166 void SetMaximum(Int_t index) {fStatus &=krIndexNull;fStatus|=krMaximum;fStatus+=(index<<5);}
167
168
169 void SetUnChecked(){if (fStatus&krCheck) fStatus-=krCheck;}
170 void SetUnBorder(){if (fStatus&krBorder) fStatus-=krBorder;}
171 void SetThUnBorder(){SetUnBorder();if (fStatus&krBorder) fStatus-=krThBorder+krBorder;}
172 void SetDirUnBorder(){SetUnBorder();if (fStatus&krBorder) fStatus-=krDirBorder+krBorder;}
173
174 Bool_t IsChecked() {return fStatus&&krBorder;}
175 Bool_t IsChecked(Int_t index) {return ((fStatus>>5)==index);}
176
177 Bool_t IsBorder() {return ((fStatus&krBorder)!=0);}
178 Bool_t IsBorder(Int_t index) {return ( ((fStatus&krBorder)!=0) && ((fStatus>>5)==index));}
179 Bool_t IsDirBorder() {return ((fStatus&krDirBorder)!=0);}
180 Bool_t IsDirBorder(Int_t index) {return ( ((fStatus&krDirBorder)!=0) && ((fStatus>>5)==index));}
181 Bool_t IsThBorder() {return ((fStatus&krThBorder)!=0);}
182 Bool_t IsThBorder(Int_t index) {return ( ((fStatus&krThBorder)!=0) && ((fStatus>>5)==index));}
183
184 Bool_t IsMaximum() {return ((fStatus&krMaximum)!=0);}
185 Bool_t IsMaximum(Int_t index) {return ( ((fStatus&krMaximum)!=0) && ((fStatus>>5)==index));}
186
73042f01 187 void Reset() { fStatus = 0;}
188
cc80f89e 189 Int_t GetStatus() {return fStatus;}
190
cc80f89e 191private:
cc80f89e 192 Int_t fStatus;
73042f01 193 // ClassDef(AliCell,0)
cc80f89e 194};
195
196
197
73042f01 198Int_t AliTPCClusterFinder::GetSignal(Int_t i, Int_t j)
199{
200 return ( (i>=0) && (i<fDimX) && (j>=0) && (j<fDimY) ) ? fDigits[i+j*fDimX]: 0;
cc80f89e 201}
202
203
73042f01 204void AliTPCClusterFinder::SetSignal(Int_t signal, Int_t i, Int_t j)
205{
206 if ( (i>=0) && (i<fDimX) && (j>=0) && (j<fDimY) ) fDigits[i+j*fDimX] = signal;
207}
208
209
210
cc80f89e 211
73042f01 212Bool_t AliTPCClusterFinder::IsBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 213{
214 AliCell *c = GetCell(i,j);
215 Bool_t res;
216 if (c==0) res = kFALSE;
217 else {
218 if (index == 0) res = c->IsBorder();
219 else res = c->IsBorder(index);
220 }
221 return res;
222}
223
224
225
73042f01 226Bool_t AliTPCClusterFinder::IsThBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 227{
228 AliCell *c = GetCell(i,j);
229 Bool_t res;
230 if (c==0) res = kFALSE;
231 else {
232 if (index == 0) res = c->IsThBorder();
233 else res = c->IsThBorder(index);
234 }
235 return res;
236}
237
73042f01 238Bool_t AliTPCClusterFinder::IsDirBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 239{
240 AliCell *c = GetCell(i,j);
241 Bool_t res;
242 if (c==0) res = kFALSE;
243 else {
244 if (index == 0) res = c->IsDirBorder();
245 else res = c->IsDirBorder(index);
246 }
247 return res;
248}
249
73042f01 250Bool_t AliTPCClusterFinder::IsChecked(Int_t index, Int_t i, Int_t j)
cc80f89e 251{
252 AliCell *c = GetCell(i,j);
253 Bool_t res;
254 if (c==0) res = kTRUE;
255 else {
256 if (index == 0) res = c->IsChecked();
257 else res = c->IsChecked(index);
258 }
259 return res;
260}
261
73042f01 262Bool_t AliTPCClusterFinder::IsMaximum(Int_t index, Int_t i, Int_t j)
cc80f89e 263{
264 AliCell *c = GetCell(i,j);
265 Bool_t res;
266 if (c==0) res = kTRUE;
267 else {
268 if (index == 0) res = c->IsMaximum();
269 else res = c->IsMaximum(index);
270 }
271 return res;
272}
273
274
73042f01 275void AliTPCClusterFinder::SetChecked(Int_t index, Int_t i, Int_t j)
cc80f89e 276{
277 AliCell *c = GetCell(i,j);
278 if (c!=0) {
279 if (index>0) c->SetChecked(index);
280 else c->SetChecked();
281 }
282}
283
73042f01 284void AliTPCClusterFinder::SetBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 285{
286 AliCell *c = GetCell(i,j);
287 if (c!=0) {
288 if (index>0) c->SetBorder(index);
289 // else c->SetBorder();
290 }
291}
292
293
73042f01 294void AliTPCClusterFinder::SetThBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 295{
296 AliCell *c = GetCell(i,j);
297 if (c!=0) {
298 if (index>0) c->SetThBorder(index);
299 else c->SetThBorder(0);
300 }
301}
302
303
73042f01 304void AliTPCClusterFinder::SetDirBorder(Int_t index, Int_t i, Int_t j)
cc80f89e 305{
306 AliCell *c = GetCell(i,j);
307 if (c!=0) {
308 if (index>0) c->SetDirBorder(index);
309 else c->SetDirBorder(0);
310 }
311}
312
313
73042f01 314void AliTPCClusterFinder::SetMaximum(Int_t index, Int_t i, Int_t j)
cc80f89e 315{
316 AliCell *c = GetCell(i,j);
317 if (c!=0) {
318 if (index>0) c->SetMaximum(index);
319 else c->SetMaximum(0);
320 }
321}
322
323#endif /* TCLUSTERFINDER_H */