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cc80f89e | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
5270561d | 16 | /* $Id$ */ |
cc80f89e | 17 | |
18 | //---------------------------------------------------------------------------- | |
19 | // Author: Marian Ivanov | |
20 | // | |
21 | // Implementation of class AliH2F | |
22 | // | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
9edefa04 | 25 | #include <TClonesArray.h> |
26 | #include <TMath.h> | |
27 | #include <TRandom.h> | |
28 | ||
cc80f89e | 29 | #include "AliH2F.h" |
cc80f89e | 30 | |
31 | ||
32 | ClassImp(AliH2F) | |
33 | //*********************************************************************** | |
34 | //*********************************************************************** | |
35 | //*********************************************************************** | |
36 | //*********************************************************************** | |
37 | AliH2F::AliH2F():TH2F() | |
38 | { | |
73042f01 | 39 | // |
40 | ||
cc80f89e | 41 | } |
42 | AliH2F::AliH2F(const Text_t *name,const Text_t *title, | |
43 | Int_t nbinsx,Axis_t xlow,Axis_t xup | |
44 | ,Int_t nbinsy,Axis_t ylow,Axis_t yup): | |
45 | TH2F(name,title,nbinsx,xlow,xup | |
46 | ,nbinsy,ylow,yup) | |
47 | { | |
73042f01 | 48 | // |
49 | ||
cc80f89e | 50 | } |
51 | ||
52 | AliH2F::~AliH2F() | |
53 | { | |
73042f01 | 54 | // |
cc80f89e | 55 | } |
56 | ||
88cb7938 | 57 | AliH2F::AliH2F(const AliH2F &his) : |
58 | TH2F(his) | |
cc80f89e | 59 | { |
73042f01 | 60 | // |
61 | ||
cc80f89e | 62 | } |
63 | ||
88cb7938 | 64 | AliH2F & AliH2F::operator = (const AliH2F & /*his*/) |
cc80f89e | 65 | { |
73042f01 | 66 | // |
67 | return *this; | |
cc80f89e | 68 | } |
69 | ||
88cb7938 | 70 | /* |
cc80f89e | 71 | TClonesArray * AliH2F::FindPeaks(Float_t threshold, Float_t noise) |
72 | { | |
88cb7938 | 73 | //find peaks and write it in form of AliTPCcluster to array |
74 | ||
75 | //firstly we need to create object for cluster finding | |
76 | //and fill it with contents of histogram | |
77 | AliTPCClusterFinder cfinder; | |
78 | cfinder.SetThreshold(threshold); | |
79 | cfinder.SetNoise(noise); | |
80 | cfinder.GetHisto(this); | |
81 | return cfinder.FindPeaks3(); | |
cc80f89e | 82 | } |
88cb7938 | 83 | */ |
cc80f89e | 84 | |
85 | void AliH2F::ClearSpectrum() | |
86 | { | |
73042f01 | 87 | //clera histogram |
cc80f89e | 88 | Int_t dimx = fXaxis.GetNbins(); |
89 | Int_t dimy = fYaxis.GetNbins(); | |
90 | for (Int_t i = 0 ;i<dimx;i++) | |
91 | for (Int_t j = 0 ;j<dimy;j++) | |
92 | { | |
b8f92f9d | 93 | SetBinContent(GetBin(i,j),0); |
94 | SetBinError(GetBin(i,j),0); | |
cc80f89e | 95 | } |
96 | } | |
97 | ||
98 | ||
99 | void AliH2F::AddNoise(Float_t sn) | |
100 | { | |
73042f01 | 101 | // add gauss noise with sigma sn |
cc80f89e | 102 | Int_t dimx = fXaxis.GetNbins(); |
103 | Int_t dimy = fYaxis.GetNbins(); | |
104 | for (Int_t i = 0 ;i<dimx;i++) | |
105 | for (Int_t j = 0 ;j<dimy;j++) | |
106 | { | |
107 | Float_t noise = gRandom->Gaus(0,sn); | |
b8f92f9d | 108 | Float_t oldv =GetBinContent(GetBin(i,j)); |
109 | Float_t olds =GetBinError(GetBin(i,j)); | |
cc80f89e | 110 | if (noise >0) |
111 | { | |
b8f92f9d | 112 | SetBinContent(GetBin(i,j),noise+oldv); |
113 | SetBinError(GetBin(i,j),TMath::Sqrt((noise*noise+olds*olds))); | |
cc80f89e | 114 | } |
115 | } | |
116 | } | |
117 | void AliH2F::AddGauss(Float_t x, Float_t y, | |
118 | Float_t sx, Float_t sy, Float_t max) | |
73042f01 | 119 | { |
cc80f89e | 120 | //transform to histogram coordinata |
121 | Int_t dimx = fXaxis.GetNbins(); | |
122 | Int_t dimy = fYaxis.GetNbins(); | |
123 | Float_t dx =(GetXaxis()->GetXmax()-GetXaxis()->GetXmin())/Float_t(dimx); | |
124 | Float_t dy =(GetYaxis()->GetXmax()-GetYaxis()->GetXmin())/Float_t(dimy); | |
125 | // x=(x-GetXaxis()->GetXmin())/dx; | |
126 | //y=(y-GetYaxis()->GetXmin())/dy; | |
127 | sx/=dx; | |
128 | sy/=dy; | |
129 | ||
130 | ||
131 | for (Int_t i = 0 ;i<dimx;i++) | |
132 | for (Int_t j = 0 ;j<dimy;j++) | |
133 | { | |
134 | Float_t x2 =GetXaxis()->GetBinCenter(i+1); | |
135 | Float_t y2 =GetYaxis()->GetBinCenter(j+1); | |
136 | Float_t dx2 = (x2-x)*(x2-x); | |
137 | Float_t dy2 = (y2-y)*(y2-y); | |
138 | Float_t amp =max*exp(-(dx2/(2*sx*sx)+dy2/(2*sy*sy))); | |
b8f92f9d | 139 | //Float_t oldv =GetBinContent(GetBin(i+1,j+1)); |
140 | // SetBinContent(GetBin(i+1,j+1),amp+oldv); | |
cc80f89e | 141 | Fill(x2,y2,amp); |
142 | } | |
143 | } | |
144 | ||
145 | void AliH2F::ClearUnderTh(Int_t threshold) | |
146 | { | |
73042f01 | 147 | //clear histogram for bin under threshold |
cc80f89e | 148 | Int_t dimx = fXaxis.GetNbins(); |
149 | Int_t dimy = fYaxis.GetNbins(); | |
150 | for (Int_t i = 0 ;i<=dimx;i++) | |
151 | for (Int_t j = 0 ;j<=dimy;j++) | |
152 | { | |
b8f92f9d | 153 | Float_t oldv =GetBinContent(GetBin(i,j)); |
cc80f89e | 154 | if (oldv <threshold) |
b8f92f9d | 155 | SetBinContent(GetBin(i,j),0); |
cc80f89e | 156 | } |
157 | } | |
158 | ||
159 | void AliH2F::Round() | |
160 | { | |
73042f01 | 161 | //round float to integer |
cc80f89e | 162 | Int_t dimx = fXaxis.GetNbins(); |
163 | Int_t dimy = fYaxis.GetNbins(); | |
164 | for (Int_t i = 0 ;i<=dimx;i++) | |
165 | for (Int_t j = 0 ;j<=dimy;j++) | |
166 | { | |
b8f92f9d | 167 | Float_t oldv =GetBinContent(GetBin(i,j)); |
cc80f89e | 168 | oldv=(Int_t)oldv; |
b8f92f9d | 169 | SetBinContent(GetBin(i,j),oldv); |
cc80f89e | 170 | } |
171 | } | |
172 | ||
173 | ||
174 | ||
175 | AliH2F *AliH2F::GetSubrange2d(Float_t xmin, Float_t xmax, | |
176 | Float_t ymin, Float_t ymax) | |
177 | { | |
178 | //this function return pointer to the new created | |
179 | //histogram which is subhistogram of the | |
180 | //calculate number | |
181 | //subhistogram range must be inside histogram | |
182 | ||
183 | if (xmax<=xmin) { | |
184 | xmin=fXaxis.GetXmin(); | |
185 | xmax=fXaxis.GetXmax(); | |
186 | } | |
187 | if (ymax<=ymin) { | |
188 | ymin=fYaxis.GetXmin(); | |
189 | ymax=fYaxis.GetXmax(); | |
190 | } | |
191 | ||
192 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
193 | Float_t(fXaxis.GetNbins())); | |
194 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
195 | Float_t(fYaxis.GetNbins())); | |
196 | TString t1 = fName ; | |
197 | TString t2 = fTitle ; | |
198 | t1+="_subrange"; | |
199 | t2+="_subrange"; | |
73042f01 | 200 | const Text_t *ktt1 = t1; |
201 | const Text_t *ktt2 = t2; | |
cc80f89e | 202 | |
73042f01 | 203 | AliH2F * sub = new AliH2F(ktt1,ktt2,nx,xmin,xmax,ny,ymin,ymax); |
cc80f89e | 204 | |
205 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
206 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
207 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
208 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
209 | for (Int_t i=0;i<nx;i++) | |
210 | for (Int_t j=0;j<ny;j++) | |
211 | { | |
212 | Int_t index1 = GetBin(i1+i,i2+j); | |
213 | // Int_t index2 = sub->GetBin(i,j); | |
214 | Float_t val = GetBinContent(index1); | |
215 | // sub->SetBinContent(index2,val); | |
216 | // Float_t err = GetBinError(index1); | |
217 | //sub->SetBinError(index2,GetBinError(index1)); | |
b8f92f9d | 218 | sub->SetBinContent(GetBin(i,j),val); |
cc80f89e | 219 | } |
220 | return sub; | |
221 | } | |
222 | ||
223 | TH1F *AliH2F::GetAmplitudes(Float_t zmin, Float_t zmax, Float_t th, Float_t xmin, Float_t xmax, | |
224 | Float_t ymin, Float_t ymax) | |
225 | { | |
226 | //this function return pointer to the new created | |
227 | //histogram which is subhistogram of the | |
228 | //calculate number | |
229 | //subhistogram range must be inside histogram | |
230 | ||
231 | if (xmax<=xmin) { | |
232 | xmin=fXaxis.GetXmin(); | |
233 | xmax=fXaxis.GetXmax(); | |
234 | } | |
235 | if (ymax<=ymin) { | |
236 | ymin=fYaxis.GetXmin(); | |
237 | ymax=fYaxis.GetXmax(); | |
238 | } | |
239 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
240 | Float_t(fXaxis.GetNbins())); | |
241 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
242 | Float_t(fYaxis.GetNbins())); | |
243 | TString t1 = fName ; | |
244 | TString t2 = fTitle ; | |
245 | t1+="_amplitudes"; | |
246 | t2+="_amplitudes"; | |
73042f01 | 247 | const Text_t *ktt1 = t1; |
248 | const Text_t *ktt2 = t2; | |
cc80f89e | 249 | |
73042f01 | 250 | TH1F * h = new TH1F(ktt1,ktt2,100,zmin,zmax); |
cc80f89e | 251 | |
252 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
253 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
254 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
255 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
256 | for (Int_t i=0;i<nx;i++) | |
257 | for (Int_t j=0;j<ny;j++) | |
258 | { | |
259 | Int_t index1 = GetBin(i1+i,i2+j); | |
260 | Float_t val = GetBinContent(index1); | |
261 | if (val>th) h->Fill(val); | |
262 | } | |
263 | return h; | |
264 | } | |
265 | ||
266 | Float_t AliH2F::GetOccupancy(Float_t th , Float_t xmin, Float_t xmax, | |
267 | Float_t ymin, Float_t ymax) | |
268 | { | |
269 | //this function return pointer to the new created | |
270 | //histogram which is subhistogram of the | |
271 | //calculate number | |
272 | //subhistogram range must be inside histogram | |
273 | ||
274 | if (xmax<=xmin) { | |
275 | xmin=fXaxis.GetXmin(); | |
276 | xmax=fXaxis.GetXmax(); | |
277 | } | |
278 | if (ymax<=ymin) { | |
279 | ymin=fYaxis.GetXmin(); | |
280 | ymax=fYaxis.GetXmax(); | |
281 | } | |
282 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
283 | Float_t(fXaxis.GetNbins())); | |
284 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
285 | Float_t(fYaxis.GetNbins())); | |
286 | ||
287 | Int_t over =0; | |
288 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
289 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
290 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
291 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
292 | for (Int_t i=0;i<nx;i++) | |
293 | for (Int_t j=0;j<ny;j++) | |
294 | { | |
295 | Int_t index1 = GetBin(i1+i,i2+j); | |
296 | Float_t val = GetBinContent(index1); | |
297 | if (val>th) over++; | |
298 | } | |
299 | Int_t all = nx*ny; | |
300 | if (all>0) return Float_t(over)/Float_t(all); | |
301 | else | |
302 | return 0; | |
303 | } |