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35 f9daq 1
#include "TROOT.h"
2
#include "TFile.h"
3
#include "TBenchmark.h"
4
#include "TH1F.h"
5
#include "TH2F.h"
6
#include "TH3F.h"
7
#include "TCanvas.h"
8
#include "TStyle.h"
9
#include "TPad.h"
10
#include "TF1.h"
11
#include "TGraph.h"
12
#include "TSpectrum.h"
13
#include "stdio.h"
38 f9daq 14
#include "THStack.h"
40 f9daq 15
#include "TPaveText.h"
35 f9daq 16
 
17
#include "include/RTUtil.h"
18
 
19
double getNoise(TH2F*, int, int);
20
 
40 f9daq 21
int biasScan(char filename[256] = "test", char plopt[256]="th", int chXstart=0, int chXend=7, double par1=0.0, double par2=0.0, bool debug = false)
35 f9daq 22
{
23
  const int c_nChannels = 64;
40 f9daq 24
  const double c_xOffset = 0; // mm
25
  const double c_yOffset = 0;
35 f9daq 26
 
27
  int map[8][8]={{32,34,53,55,40,42,61,63},
28
                 {48,50,37,39,56,58,45,47},
29
                 {33,35,52,54,41,43,60,62},
30
                 {49,51,36,38,57,59,44,46},
31
                 {17,19,4,6,25,27,12,14},
32
                 {1,3,20,22,9,11,28,30},
33
                 {16,18,5,7,24,26,13,15},
34
                 {0,2,21,23,8,10,29,31}
35
                };
36
 
38 f9daq 37
  // Set draw style
35 f9daq 38
  RTSetStyle(gStyle);
39
 
40
  // open the file with histograms
41
  char fnameroot[256];
42
  TFile* rootfile;
43
	sprintf(fnameroot, "root/%s.root", filename);
44
	rootfile = (TFile *) gROOT->FindObject(filename);
45
	if(rootfile==NULL) rootfile = new TFile(fnameroot);
46
	if(rootfile==NULL) {
47
	  printf("Cannot open root file %s!!!\n",fnameroot);
48
	  return(0);
49
	}
50
 
51
  if(strstr(plopt, "tdc") != NULL) {
52
    TCanvas *canvas21 = new TCanvas("canvas21","canvas21",1600,800);
53
    TH3F* h0 = (TH3F*) rootfile->Get("h_correctedTDC");
54
	  Int_t binsX = h0->GetXaxis()->GetNbins();
55
    Int_t minX  = h0->GetXaxis()->GetFirst();
56
    Int_t maxX  = h0->GetXaxis()->GetLast()+1;
57
    Int_t binsY = h0->GetYaxis()->GetNbins();
58
    Int_t minY  = h0->GetYaxis()->GetFirst();
59
    Int_t maxY  = h0->GetYaxis()->GetLast()+1;
60
    Int_t binsZ = h0->GetZaxis()->GetNbins();
61
    Int_t minZ  = h0->GetZaxis()->GetFirst();
62
    Int_t maxZ  = h0->GetZaxis()->GetLast()+1;
63
    Double_t xLowUser  = h0->GetXaxis()->GetBinLowEdge(minX);
64
    Double_t xUpUser = h0->GetXaxis()->GetBinUpEdge(maxX);
65
    Double_t yLowUser  = h0->GetYaxis()->GetBinLowEdge(minY);
66
    Double_t yUpUser = h0->GetYaxis()->GetBinUpEdge(maxY);
67
 
68
    canvas21->Divide(2);
69
    //h0->Draw();
70
    canvas21->cd(1);
71
    //h0->Project3D("xy")->Draw("colz");
72
    //canvas21->cd(2);
73
    //h0->Project3D("yz")->Draw("colz");
74
    //canvas21->cd(3);
75
    TH2D* h_correctedTDC = (TH2D*) h0->Project3D("xz");
76
    //h0->GetZaxis()->SetRangeUser(-5,5);
77
    //h0->Project3D("xzo")->Draw("colz");
40 f9daq 78
    //h_correctedTDC->SetTitle("; t [ns]; Channel");
35 f9daq 79
    h_correctedTDC->Draw("colz");
80
    /*
81
    TH1F* tdc1 = new TH1F("tdc1",";TDC [ns];Events",binsZ, minZ, maxZ);
82
    //for(int j=minY; j<maxY; j++) {
83
      for(int k=minZ; k<maxZ; k++) {
84
        double signal = h0->GetBinContent(1,1,k);
85
        tdc1->Fill(k,signal);
86
        //}
87
        }
88
    tdc1->Draw();
89
    */
90
 
91
    TH2D* h_timeWalk = (TH2D*) h0->Project3D("zy");
92
    canvas21->cd(2);
40 f9daq 93
    //h_timeWalk->SetTitle(";Threshold [V]; t [ns]");
35 f9daq 94
    h_timeWalk->Draw("colz");
95
  }
96
 
36 f9daq 97
  if (strstr(plopt, "bias") != NULL) {
98
    TCanvas* canvas01 = new TCanvas("canvas01","",800, 800);
99
    canvas01->cd();
100
    TH2F* h_bias = (TH2F*) rootfile->Get("h_bias");
101
    h_bias->Draw("colz");
102
  }
103
 
104
  if (strstr(plopt, "th") != NULL) {
105
   TCanvas* canvas1 = new TCanvas("canvas1","",800,800);
106
   canvas1->cd();
107
   //gPad->SetLogz();
108
   //canvas1->SetLogz();
109
   TH2F* h_threshold = (TH2F*) rootfile->Get("h_threshold");
110
   h_threshold->SetTitleOffset(1.5,"y");
111
   //h_threshold->GetZaxis()->SetRangeUser(0,1000);
112
   h_threshold->SetContour(20);
113
 
114
   h_threshold->Draw("colz");
115
 
116
   TCanvas* canvas2 = new TCanvas("canvas2","",1600,800);
117
   canvas2->Divide(2);
118
   TH1D* h_projection1 = h_threshold->ProjectionY("Ch 37",38,38);
119
   canvas2->cd(1);
120
   //h_projection1->GetYaxis()->SetRangeUser(0,1000);
121
   //gPad->SetLogy();
122
   h_projection1->Draw();
123
 
124
   TH1D* h_projection2 = h_threshold->ProjectionY("Ch 38",39,39);
125
   canvas2->cd(2);
126
   //gPad->SetLogy();
127
   h_projection2->Draw();
128
  }
129
 
35 f9daq 130
  if(strstr(plopt,"16") != NULL)
131
  {
36 f9daq 132
  TH2F* h_threshold = (TH2F*) rootfile->Get("h_bias");
35 f9daq 133
  TCanvas* canvas = new TCanvas("canvas","",1600,1600);
38 f9daq 134
  TCanvas* canvas11 = new TCanvas("canvas11","",800,800);
35 f9daq 135
  canvas->cd();
136
  TVirtualPad *main = new TPad("main","main",0,0,1,1,10,1);
137
  main->Draw();
38 f9daq 138
  main->cd();
35 f9daq 139
  main->Divide(4,4);
140
  for(int i=chXstart; i<chXend; i++) {
40 f9daq 141
    for(int j=(int)par1; j<(int)par2; j++) {
35 f9daq 142
      int channel = map[i][j];
143
      TH1D* h_projection = h_threshold->ProjectionY("",channel+1,channel+1);
40 f9daq 144
      int canvasPosition = i-chXend+4*((int)par2-j)+1;
35 f9daq 145
      printf(" %d ", canvasPosition);
146
      main->cd(canvasPosition);
38 f9daq 147
      gPad->SetMargin(0.08, 0.08, 0.08, 0.08);
35 f9daq 148
      char name[128];
149
      sprintf(name,"Channel %d",channel);
150
      h_projection->SetTitle(name);
38 f9daq 151
      h_projection->GetYaxis()->SetRangeUser(0,10000);
152
      h_projection->DrawCopy("pe1x0");
153
      canvas11->cd();
154
      if (canvasPosition == 1) {
155
        h_projection->SetMarkerStyle(kFullDotMedium);
156
        h_projection->GetYaxis()->SetRangeUser(0,10000);
157
        h_projection->DrawCopy("Pl");
158
        }
159
      else {
160
        h_projection->SetMarkerStyle(kFullDotMedium);
161
        h_projection->SetLineColor(canvasPosition);
162
        h_projection->SetMarkerColor(canvasPosition);
163
        h_projection->SetTitle("");
164
        h_projection->DrawCopy("plsame");
165
        }
35 f9daq 166
    }
38 f9daq 167
 
35 f9daq 168
  }
169
  printf("\n");
170
  }
171
 
36 f9daq 172
  if(strstr(plopt, "1ch") != NULL)
173
  {
174
    TH2F* h_bias = (TH2F*) rootfile->Get("h_bias");
38 f9daq 175
    TCanvas* canvas = new TCanvas("canvas","",800,800);
36 f9daq 176
    canvas->cd();
177
    int channel = map[chXstart][chXend];
178
    TH1D* h_projection = h_bias->ProjectionY("",channel+1,channel+1);
179
    char name[128];
180
    sprintf(name,"Channel %d",channel);
181
    h_projection->SetTitle(name);
38 f9daq 182
    h_projection->SetMarkerStyle(kFullDotMedium);
183
    //h_projection->SetMarkerSize(8);
184
    gPad->SetMargin(0.1,0.1,0.1,0.1);
40 f9daq 185
 
186
 
187
    TF1* f_linear = new TF1("f_linear", "[0] + [1]*x", par1, par2);
188
    f_linear->SetParameter(0, -1);
189
    f_linear->SetParameter(1, 0.1);
190
    f_linear->SetParNames("p0", "p1");
191
    h_projection->Fit(f_linear,"q");
192
    h_projection->Fit(f_linear,"r");
38 f9daq 193
    h_projection->Draw("pe1x0");
40 f9daq 194
 
195
    double p0 = f_linear->GetParameter(0);
196
    double p1 = f_linear->GetParameter(1);
197
    printf("p0 %f p1 %f V_b = %f [V]\n", p0, p1, -p0/p1);
198
    TPaveText *text = new TPaveText(0.15,0.5,0.35,0.56);
199
    text->SetFillColor(0);
200
    text->SetBorderSize(0.1);
201
    text->SetTextSize(0.030);
202
    char string[128];
203
    sprintf(string, "V_b = %2.2f", -p0/p1);
204
    text->AddText(string);
205
    text->Draw("same");
206
    text->Paint();
36 f9daq 207
  }
208
 
35 f9daq 209
  if( strstr(plopt, "all") != NULL ) {
210
    TCanvas *canvas2 = new TCanvas("canvas2","Hits x;;",2000,2000);
211
    TCanvas *canvas3 = new TCanvas("canvas3","Hits y;;",2000,2000);
212
    canvas2->Divide(8,8);
213
    canvas3->Divide(8,8);
214
    TH1F* h_hitsx;
215
    TH1F* h_hitsy;
216
    for(int i=0; i<c_nChannels; i++) {
217
      canvas2->cd(i+1);
218
      char hname[128];
219
      sprintf(hname, "hnhitsx%d", i);
220
      h_hitsx = (TH1F*)rootfile->Get(hname);
221
      h_hitsx->Draw();
222
      canvas3->cd(i+1);
223
      sprintf(hname, "hnhitsy%d", i);
224
      h_hitsy = (TH1F*)rootfile->Get(hname);
225
      h_hitsy->Draw();
226
    }
227
  }
228
 
229
  if( strstr(plopt, "x") != NULL ) {
230
    TCanvas *canvas10 = new TCanvas("canvas10","Ch x;;",500,500);
231
    TH1F* h_hitsx;
232
    canvas10->cd();
233
    char hname[128];
234
    sprintf(hname, "hnhitsx%d", chXstart);
235
    h_hitsx = (TH1F*)rootfile->Get(hname);
236
    h_hitsx->Draw("colz");
237
  }
238
 
239
  if( strstr(plopt, "y") != NULL ) {
240
    TCanvas *canvas11 = new TCanvas("canvas11","Ch x;;",500,500);
241
    TH1F* h_hitsy;
242
    canvas11->cd();
243
    char hname[128];
244
    sprintf(hname, "hnhitsy%d", chXstart);
245
    h_hitsy = (TH1F*)rootfile->Get(hname);
246
    h_hitsy->Draw();
247
  }
40 f9daq 248
 
35 f9daq 249
 
250
  /** Draws the sum of the channels
251
    * Each channel is a 2d plot
252
    * Intended for the study of 1 channel
253
    */
254
  if (strstr(plopt, "2d") != NULL) {
255
 
256
    int nX = chXend - chXstart + 1;
40 f9daq 257
    int nY = (int)par2 - (int)par1 + 1;
35 f9daq 258
    TCanvas* canvas7 = new TCanvas("canvas7","canvas7", nX*400,nY*400);
259
    printf("nx %d ny %d\n",nX,nY);
260
    canvas7->Divide(nX,nY);
40 f9daq 261
    for(int i=(int)par1; i<=(int)par2; i++) {
35 f9daq 262
      for(int j=chXstart; j<=chXend; j++) {
263
      //int canvasPosition = nX*(i-chYstart)+(j-chXstart)+1;
40 f9daq 264
      int canvasPosition = nX*((int)par2-i)+(j-chXstart)+1;
35 f9daq 265
      if (debug) printf("canvas %d\n",canvasPosition);
266
        canvas7->cd(canvasPosition);
267
        char hname[128];
268
        int chPosition = map[j][i];
269
        sprintf(hname, "h2d%d", chPosition);
270
        TH2F* h_2d = (TH2F*)rootfile->Get(hname);
271
        h_2d->Draw("colz");
272
      } //x
273
    }
274
 
275
    // Number of photoelectrons - Poissonian correction
276
    TCanvas* canvas8 = new TCanvas("canvas8","canvas8", 1000,1000);
277
    canvas8->cd();
278
    gStyle->SetOptStat(0);
279
      char hname[128];
280
      int chPosition = map[1][2];
281
      sprintf(hname, "h2d%d", chPosition);
282
      TH2F* h_2d = (TH2F*)rootfile->Get(hname);
283
 
284
      Int_t binsX = h_2d->GetXaxis()->GetNbins();
285
      Int_t minX  = h_2d->GetXaxis()->GetFirst();
286
      Int_t maxX  = h_2d->GetXaxis()->GetLast()+1;
287
      Int_t binsY = h_2d->GetYaxis()->GetNbins();
288
      Int_t minY  = h_2d->GetYaxis()->GetFirst();
289
      Int_t maxY  = h_2d->GetYaxis()->GetLast()+1;
290
      Double_t xLowUser  = h_2d->GetXaxis()->GetBinLowEdge(minX);
291
      Double_t xUpUser   = h_2d->GetXaxis()->GetBinUpEdge(maxX);
292
      Double_t yLowUser  = h_2d->GetYaxis()->GetBinLowEdge(minY);
293
      Double_t yUpUser =   h_2d->GetYaxis()->GetBinUpEdge(maxY);
294
      if (debug) printf("xLow %f xUp %f\n",xLowUser,xUpUser);
295
      TH2F* h_corrected = new TH2F("h_corrected","h_corrected",binsX, xLowUser, xUpUser, binsY, yLowUser, yUpUser);
296
 
297
      double noise = getNoise(h_2d, 1, 89);
298
      if(debug) printf("Noise = %f\n", noise);
299
      for(int k=minX; k<=maxX; k++) {
300
        for(int j=minY; j<=maxY; j++) {
301
          double signal = h_2d->GetBinContent(k,j); // detected
302
          //double p = ((signal - noise) > 1) ? (signal-noise) : 1;
303
          double p = signal - noise;
304
          p /= 10000.;
305
          double p0 = 1.0 - p; // events with zero photons
306
          //double eta = (-log(p0) * p0 ) / (1-p0-0.00001);
307
          double eta = -log(p0); // constant of the poissonian statistics
308
          if (debug) printf("p=%f p0=%f log(p0)=%f eta=%f\n",p,p0,log(p0),eta);
309
          double x = k*(xUpUser-xLowUser)/double(binsX);
310
          double y = j*(yUpUser-yLowUser)/double(binsY);
311
          h_corrected->Fill(x+3,y+8, eta);
312
        }
313
       }
314
      h_corrected->SetTitle("n_pe = - ln P(0);x[mm];y[mm]");
315
      h_corrected->GetZaxis()->SetRangeUser(-0.05,0.3);
316
      h_corrected->Draw("colz");
317
 
318
      // collection efficiency
319
      int nPoints =0;
320
      double efficiency=0;
321
      for (int i=18; i<=58; i++) {
322
        for (int j=19; j<=59; j++) {
323
          double signal = h_corrected->GetBinContent(i,j);
324
          if(debug) printf("signal %f\n",signal);
325
          efficiency += signal;
326
          nPoints++;
327
        }
328
      }
329
    printf("Signal sum = %f\n   # of points = %d\n",efficiency,nPoints);
330
  }
331
 
332
  /** Draws the sum of channel signals
333
    * Each channel is a 2d ('h2d') histogram
334
    * Suitable for 8x8 chs scan
335
    */
336
  if( strstr(plopt, "sum") != NULL ) {
40 f9daq 337
    int nX = 7 - 0 + 1;
338
    int nY = 7 - 0 + 1;
35 f9daq 339
	  TCanvas* canvas12 = new TCanvas("canvas12","c2",8*200, 8*200);
340
	  canvas12->cd();
341
	  gStyle->SetOptStat(0);
342
 
343
    // final histogram parameters
344
    TH2F* h0 = (TH2F*) rootfile->Get("h2d0");
345
	  Int_t binsX = h0->GetXaxis()->GetNbins();
346
    Int_t minX  = h0->GetXaxis()->GetFirst();
347
    Int_t maxX  = h0->GetXaxis()->GetLast()+1;
348
    Int_t binsY = h0->GetYaxis()->GetNbins();
349
    Int_t minY  = h0->GetYaxis()->GetFirst();
350
    Int_t maxY  = h0->GetYaxis()->GetLast()+1;
351
    Double_t xLowUser  = h0->GetXaxis()->GetBinLowEdge(minX);
352
    Double_t xUpUser = h0->GetXaxis()->GetBinUpEdge(maxX);
353
    Double_t yLowUser  = h0->GetYaxis()->GetBinLowEdge(minY);
354
    Double_t yUpUser = h0->GetYaxis()->GetBinUpEdge(maxY);
355
    if (debug) printf("xLow %f xUp %f\n",xLowUser,xUpUser);
356
    TH2F* h_corrected = new TH2F("h_corrected","h_corrected",binsX,xLowUser,xUpUser, binsY,yLowUser,yUpUser);
357
    TH2F* h[9];
358
 
359
    // 2d histogram noise subtraction and poisson scaling
40 f9daq 360
    for(int i=0; i<=7; i++) {
35 f9daq 361
      for(int j=chXstart; j<=chXend; j++) {
362
        int chPosition = map[j][i];
363
        char hname[128];
364
	      sprintf(hname, "h2d%d", chPosition);
40 f9daq 365
	      int histogram = nX*(i-0)+(j-chXstart);
35 f9daq 366
	      h[histogram] = (TH2F *) rootfile->Get(hname);
367
	      int noise = getNoise(h[histogram], 1, 170);
368
	      if (debug) printf("noise: %d\n",noise);
369
	      for(int k=minX; k<=maxX; k++) {
370
          for(int l=minY; l<=maxY; l++) {
371
            int signal = h[histogram]->GetBinContent(k,l); // detected
372
            //double p = ((signal - noise) > 0.1) ? (signal-noise) : 0.1;
373
            double p = signal - noise;
374
            p /= 10000.;
375
            double p0 = 1.0 - p; // events with zero photons
376
            //double eta = (-log(p0) * p0 ) / (1-p0-0.00001);
377
            double eta = -log(p0);
378
            //printf("p=%f p0=%f log(p0)=%f eta=%f\n",p,p0,log(p0),eta);
379
            double x = k*(xUpUser-xLowUser)/double(binsX);
380
            double y = l*(yUpUser-yLowUser)/double(binsY);
381
            h_corrected->Fill(x-c_xOffset, y-c_yOffset, signal);
382
          }
383
        }
384
 
385
      }
386
    }
387
 
388
    h_corrected->SetTitle("SiPM#2 n_p.e.;x[mm];y[mm]");
389
    //h_corrected->GetZaxis()->SetRangeUser(-0.05,.30);
390
    h_corrected->Draw("colz");
391
 
392
    TCanvas* canvas13 = new TCanvas("canvas13","canvas13",600,300);
393
    canvas13->Divide(2);
394
    canvas13->cd(1);
395
    //h[16]->Draw("colz");
396
    canvas13->cd(2);
397
    //h[8]->Draw("colz");
398
  }
399
 
400
  return(0);
401
}
402
 
403
/** Function calculates the noise from one channel
404
  * it runs through the bins along x and returns the average value
405
  */
406
double getNoise(TH2F* histogram, int yStart, int yEnd)
407
{
408
  double noise=0;
409
  int count=0;
410
  for(int j=yStart; j<yEnd; j++) {
411
    double value = histogram->GetBinContent(j,2);
412
    //if (noise < value) noise = value;
413
    noise += value;
414
    count++;
415
    }
416
  return (noise/double(count));
417
}
418