source: trunk/MagicSoft/Mars/mhflux/MHDisp.cc@ 7562

Last change on this file since 7562 was 7287, checked in by tbretz, 19 years ago
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1/* ======================================================================== *\
2!
3! *
4! * This file is part of MARS, the MAGIC Analysis and Reconstruction
5! * Software. It is distributed to you in the hope that it can be a useful
6! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
7! * It is distributed WITHOUT ANY WARRANTY.
8! *
9! * Permission to use, copy, modify and distribute this software and its
10! * documentation for any purpose is hereby granted without fee,
11! * provided that the above copyright notice appear in all copies and
12! * that both that copyright notice and this permission notice appear
13! * in supporting documentation. It is provided "as is" without express
14! * or implied warranty.
15! *
16!
17!
18! Author(s): Thomas Bretz, 5/2005 <mailto:tbretz@astro.uni-wuerzburg.de>
19!
20! Copyright: MAGIC Software Development, 2000-2005
21!
22!
23\* ======================================================================== */
24
25//////////////////////////////////////////////////////////////////////////////
26//
27// MHDisp
28//
29// Create a false source plot using disp.
30//
31// Currently the use of this class requires to be after MFMagicCuts
32// in the tasklist. Switching of the M3L cut in MFMagicCuts is recommended.
33//
34//////////////////////////////////////////////////////////////////////////////
35#include "MHDisp.h"
36
37#include <TStyle.h>
38#include <TCanvas.h>
39
40#include <TF1.h>
41#include <TF2.h>
42#include <TProfile.h>
43
44#include "MLog.h"
45#include "MLogManip.h"
46
47#include "MMath.h"
48#include "MBinning.h"
49
50#include "MParList.h"
51#include "MParameters.h"
52
53#include "MHillas.h"
54#include "MSrcPosCam.h"
55#include "MPointingPos.h"
56#include "MPointingDev.h"
57
58ClassImp(MHDisp);
59
60using namespace std;
61
62// --------------------------------------------------------------------------
63//
64// Default Constructor
65//
66MHDisp::MHDisp(const char *name, const char *title)
67 : fDisp(0), fDeviation(0), fSmearing(-1), fWobble(kFALSE)
68{
69 //
70 // set the name and title of this object
71 //
72 fName = name ? name : "MHDisp";
73 fTitle = title ? title : "3D-plot using Disp vs x, y";
74
75 fHist.SetName("Alpha");
76 fHist.SetTitle("3D-plot of ThetaSq vs x, y");
77 fHist.SetXTitle("x [\\circ]");
78 fHist.SetYTitle("y [\\circ]");
79 fHist.SetZTitle("Eq.cts");
80
81 fHist.SetDirectory(NULL);
82 fHistBg.SetDirectory(NULL);
83 fHistBg1.SetDirectory(NULL);
84 fHistBg2.SetDirectory(NULL);
85
86 fHist.SetBit(TH1::kNoStats);
87}
88
89// --------------------------------------------------------------------------
90//
91// Set binnings (takes BinningFalseSource) and prepare filling of the
92// histogram.
93//
94// Also search for MTime, MObservatory and MPointingPos
95//
96Bool_t MHDisp::SetupFill(const MParList *plist)
97{
98 if (!MHFalseSource::SetupFill(plist))
99 return kFALSE;
100
101 fDisp = (MParameterD*)plist->FindObject("Disp", "MParameterD");
102 if (!fDisp)
103 {
104 *fLog << err << "Disp [MParameterD] not found... abort." << endl;
105 return kFALSE;
106 }
107
108 fDeviation = (MPointingDev*)plist->FindObject("MPointingDev");
109 if (!fDeviation)
110 *fLog << warn << "MPointingDev not found... ignored." << endl;
111
112 MBinning binsx, binsy;
113 binsx.SetEdges(fHist, 'x');
114 binsy.SetEdges(fHist, 'y');
115 MH::SetBinning(&fHistBg, &binsx, &binsy);
116
117 if (!fHistOff)
118 {
119 MH::SetBinning(&fHistBg1, &binsx, &binsy);
120 MH::SetBinning(&fHistBg2, &binsx, &binsy);
121 }
122
123 return kTRUE;
124}
125
126// --------------------------------------------------------------------------
127//
128// Calculate the delta angle between fSrcPos->GetXY() and v.
129// Return result in deg.
130//
131Double_t MHDisp::DeltaPhiSrc(const TVector2 &v) const
132{
133 return TMath::Abs(fSrcPos->GetXY().DeltaPhi(v))*TMath::RadToDeg();
134}
135
136// --------------------------------------------------------------------------
137//
138// Fill the histogram. For details see the code or the class description
139//
140Bool_t MHDisp::Fill(const MParContainer *par, const Stat_t w)
141{
142 const MHillas *hil = dynamic_cast<const MHillas*>(par);
143 if (!hil)
144 {
145 *fLog << err << "MHDisp::Fill: No container specified!" << endl;
146 return kFALSE;
147 }
148
149 // Get camera rotation angle
150 Double_t rho = 0;
151 if (fTime && fObservatory && fPointPos)
152 rho = fPointPos->RotationAngle(*fObservatory, *fTime, fDeviation);
153
154 // Vector of length disp in direction of shower
155 // Move origin of vector to center-of-gravity of shower and derotate
156 TVector2 pos1 = hil->GetMean()*fMm2Deg + hil->GetNormAxis()*fDisp->GetVal();
157
158 Double_t w0 = 1;
159 if (fWobble)
160 {
161 const Double_t delta = DeltaPhiSrc(pos1);
162
163 // Skip off-data not in the same half than the source (here: anti-source)
164 // Could be replaced by some kind of theta cut...
165 if (!fHistOff)
166 {
167 if (delta>165)
168 return kTRUE;
169
170 // Because afterwards the plots are normalized with the number
171 // of entries the non-overlap region corresponds to half the
172 // contents, the overlap region to full contents. By taking
173 // the mean of both distributions we get the same result than
174 // we would have gotten using full off-events with a slightly
175 // increased uncertainty
176 // FIXME: The delta stuff could be replaced by a 2*antitheta cut...
177 w0 = delta>15 ? 1 : 2;
178 }
179
180 // Define by the source position which histogram to fill
181 if (DeltaPhiSrc(fFormerSrc)>90)
182 fHalf = !fHalf;
183 fFormerSrc = fSrcPos->GetXY();
184 }
185
186 // If on-data: Derotate source and P. Translate P to center.
187 TVector2 m;
188 if (fHistOff)
189 {
190 // Derotate all position around camera center by -rho
191 // Move origin of vector to center-of-gravity of shower and derotate
192 pos1=pos1.Rotate(-rho);
193
194 // Shift the source position to 0/0
195 if (fSrcPos)
196 {
197 // m: Position of the camera center in the FS plot
198 m = fSrcPos->GetXY().Rotate(-rho)*fMm2Deg;
199 pos1 -= m;
200 }
201 }
202
203 // -------------------------------------------------
204 // The following algorithm may look complicated...
205 // It is optimized for speed
206 // -------------------------------------------------
207
208 // Define a vector used to calculate rotated x and y component
209 const TVector2 rot(TMath::Sin(rho), TMath::Cos(rho));
210
211 // Fold event position with the PSF and fill it into histogram
212 const TAxis &axex = *fHist.GetXaxis();
213 const TAxis &axey = *fHist.GetYaxis();
214
215 const Int_t nx = axex.GetNbins();
216 const Int_t ny = axey.GetNbins();
217
218 // normg: Normalization for Gauss [sqrt(2*pi)*sigma]^2
219 const Double_t weight = axex.GetBinWidth(1)*axey.GetBinWidth(1)*w*w0;
220 const Double_t psf = 2*fSmearing*fSmearing;
221 const Double_t pi2 = fSmearing * TMath::Pi()/2;
222 const Double_t normg = pi2*pi2 * TMath::Sqrt(TMath::TwoPi()) / weight;
223 const Int_t bz = fHist.GetZaxis()->FindFixBin(0);
224
225 TH2 &bg = fHalf ? fHistBg1 : fHistBg2;
226
227 const Bool_t smear = fSmearing>0;
228 if (!smear)
229 {
230 if (!fHistOff)
231 bg.Fill(pos1.X(), pos1.Y(), w*w0);
232 else
233 fHist.Fill(pos1.X(), pos1.Y(), 0.0, w*w0);
234 }
235
236 // To calculate significance map smear with 2*theta-cut and
237 // do not normalize gauss, for event map use theta-cut/2 instead
238 if (smear || fHistOff)
239 {
240 for (int x=1; x<=nx; x++)
241 {
242 const Double_t cx = axex.GetBinCenter(x);
243 const Double_t px = cx-pos1.X();
244
245 for (int y=1; y<=ny; y++)
246 {
247 const Double_t cy = axey.GetBinCenter(y);
248 const Double_t sp = Sq(px, cy-pos1.Y());
249 if (smear)
250 {
251 const Double_t dp = sp/psf;
252
253 // Values below 1e-3 (>3.5sigma) are not filled into the histogram
254 if (dp<4)
255 {
256 const Double_t rc = TMath::Exp(-dp)/normg;
257 if (!fHistOff)
258 bg.AddBinContent(bg.GetBin(x, y), rc);
259 else
260 fHist.AddBinContent(fHist.GetBin(x, y, bz), rc);
261 }
262 }
263
264 if (!fHistOff)
265 continue;
266
267 // If we are filling the signal already (fHistOff!=NULL)
268 // we also fill the background by projecting the
269 // background in the camera into the sky plot.
270 const TVector2 v = TVector2(cx+m.X(), cy+m.Y());
271
272 // Speed up further: Xmax-fWobble
273 if (v.Mod()>axex.GetXmax()) // Gains 10% speed
274 continue;
275
276 const Int_t bx = axex.FindFixBin(v^rot);
277 const Int_t by = axey.FindFixBin(v*rot);
278 const Double_t bg = fHistOff->GetBinContent(bx, by, bz);
279
280 fHistBg.AddBinContent(fHistBg.GetBin(x, y), bg);
281 }
282 }
283 }
284
285 if (fHistOff)
286 fHistBg.SetEntries(fHistBg.GetEntries()+1);
287
288 if (!smear)
289 return kTRUE;
290
291 if (!fHistOff)
292 bg.SetEntries(bg.GetEntries()+1);
293 else
294 fHist.SetEntries(fHist.GetEntries()+1);
295
296 return kTRUE;
297}
298
299// --------------------------------------------------------------------------
300//
301// Compile the background in camera coordinates from the two background
302// histograms
303//
304Bool_t MHDisp::Finalize()
305{
306 if (fHistOff)
307 return kTRUE;
308
309 const Int_t bz = fHist.GetZaxis()->FindFixBin(0);
310
311 const Double_t n1 = fHistBg1.GetEntries();
312 const Double_t n2 = fHistBg2.GetEntries();
313
314 for (int x=1; x<=fHist.GetNbinsX(); x++)
315 for (int y=1; y<=fHist.GetNbinsY(); y++)
316 {
317 const Int_t bin1 = fHistBg1.GetBin(x, y);
318
319 const Double_t rc =
320 (n1==0?0:fHistBg1.GetBinContent(bin1)/n1)+
321 (n2==0?0:fHistBg2.GetBinContent(bin1)/n2);
322
323 fHist.SetBinContent(x, y, bz, rc/2);
324 }
325
326 fHist.SetEntries(n1+n2);
327
328 // Result corresponds to one smeared background event
329
330 return kTRUE;
331}
332
333
334// --------------------------------------------------------------------------
335//
336// Return the mean signal in h around (0,0) in a distance between
337// 0.325 and 0.475deg
338//
339Double_t MHDisp::GetOffSignal(TH1 &h) const
340{
341 const TAxis &axex = *h.GetXaxis();
342 const TAxis &axey = *h.GetYaxis();
343
344 Int_t cnt = 0;
345 Double_t sum = 0;
346 for (int x=0; x<h.GetNbinsX(); x++)
347 for (int y=0; y<h.GetNbinsY(); y++)
348 {
349 const Double_t d = TMath::Hypot(axex.GetBinCenter(x+1), axey.GetBinCenter(y+1));
350 if (d>0.325 && d<0.475)
351 {
352 sum += h.GetBinContent(x+1,y+1);
353 cnt++;
354 }
355 }
356 return sum/cnt;
357}
358
359// --------------------------------------------------------------------------
360//
361// Fill h2 with the radial profile of h1 around (x0, y0)
362//
363void MHDisp::Profile(TH1 &h2, const TH2 &h1, Axis_t x0, Axis_t y0) const
364{
365 const TAxis &axex = *h1.GetXaxis();
366 const TAxis &axey = *h1.GetYaxis();
367
368 h2.Reset();
369
370 for (int x=1; x<=axex.GetNbins(); x++)
371 for (int y=1; y<=axey.GetNbins(); y++)
372 {
373 const Double_t dx = axex.GetBinCenter(x)-x0;
374 const Double_t dy = axey.GetBinCenter(y)-y0;
375
376 const Double_t r = TMath::Hypot(dx, dy);
377
378 h2.Fill(r, h1.GetBinContent(x, y));
379 }
380}
381
382// --------------------------------------------------------------------------
383//
384// Remove contents of histogram around a circle.
385//
386void MHDisp::MakeDot(TH2 &h2) const
387{
388 const TAxis &axex = *h2.GetXaxis();
389 const TAxis &axey = *h2.GetYaxis();
390
391 const Double_t rmax = (fWobble ? axex.GetXmax()-0.4 : axex.GetXmax()) - axex.GetBinWidth(1);
392
393 for (int x=1; x<=axex.GetNbins(); x++)
394 for (int y=1; y<=axey.GetNbins(); y++)
395 {
396 const Int_t bin = h2.GetBin(x,y);
397
398 const Double_t px = h2.GetBinCenter(x);
399 const Double_t py = h2.GetBinCenter(y);
400
401 if (rmax<TMath::Hypot(px, py))
402 h2.SetBinContent(bin, 0);
403 //else
404 // if (h2.GetBinContent(bin)==0)
405 // h2.SetBinContent(bin, 1e-10);
406 }
407}
408
409// --------------------------------------------------------------------------
410//
411// Calculate from signal and background the significance map
412//
413void MHDisp::MakeSignificance(TH2 &s, const TH2 &h1, const TH2 &h2, const Double_t scale) const
414{
415 const TAxis &axex = *s.GetXaxis();
416 const TAxis &axey = *s.GetYaxis();
417
418 const Int_t nx = axex.GetNbins();
419 const Int_t ny = axey.GetNbins();
420
421 const Int_t n = TMath::Nint(0.2/axex.GetBinWidth(1));
422
423 const Double_t sc = h2.GetEntries()/fHistOff->GetEntries();
424
425 for (int x=1; x<=nx; x++)
426 for (int y=1; y<=ny; y++)
427 {
428 Double_t S=0;
429
430 // Only calculate significances for pixels far enough
431 // from the border to get all expected pixels.
432 if (TMath::Hypot((float)x-0.5*nx, (float)y-0.5*ny)<0.5*axex.GetNbins()-n)
433 {
434 Double_t sig=0;
435 Double_t bg =0;
436
437 // Integral a region of n pixels around x/y
438 for (int dx=-n; dx<=n; dx++)
439 for (int dy=-n; dy<=n; dy++)
440 {
441 if (TMath::Hypot((float)dx, (float)dy)>n)
442 continue;
443
444 const Int_t bin = s.GetBin(x+dx,y+dy);
445
446 sig += h1.GetBinContent(bin);
447 bg += h2.GetBinContent(bin);
448 }
449
450 // Scale such, that the statistical error corresponds to
451 // the amount of off-data used to determin the background
452 // model, not to the background itself. This gives
453 // significances as calculated from the theta-sq plot.
454 S = sig>0 ? MMath::SignificanceLiMaSigned(sig, bg*scale/sc, sc) : 0;
455 }
456
457 s.SetBinContent(x, y, S);
458 }
459}
460
461void MHDisp::Profile1D(const char *name, const TH2 &h) const
462{
463 if (!gPad)
464 return;
465
466 TH1D *hrc = dynamic_cast<TH1D*>(gPad->FindObject(name));
467 if (!hrc)
468 return;
469
470 hrc->Reset();
471
472 //const_cast<TH2&>(h).SetMaximum();
473 const Double_t max = h.GetMaximum();
474
475 MBinning(51, -max*1.1, max*1.1).Apply(*hrc);
476
477 for (int x=1; x<=h.GetXaxis()->GetNbins(); x++)
478 for (int y=1; y<=h.GetXaxis()->GetNbins(); y++)
479 {
480 const Int_t bin = h.GetBin(x,y);
481 const Double_t sig = h.GetBinContent(bin);
482 if (sig!=0)
483 hrc->Fill(sig);
484 }
485
486 gPad->SetLogy(hrc->GetMaximum()>0);
487
488 if (!fHistOff || hrc->GetRMS()<0.1)
489 return;
490
491 // ---------- Fix mean ----------
492 // TF1 *g = (TF1*)gROOT->GetFunction("gaus");
493 // g->FixParameter(1, 0);
494 // hrc->Fit("gaus", "BQI");
495
496 hrc->Fit("gaus", "QI");
497
498 TF1 *f = hrc->GetFunction("gaus");
499 if (f)
500 {
501 f->SetLineWidth(1);
502 f->SetLineColor(kBlue);
503 }
504}
505
506void MHDisp::Paint(Option_t *o)
507{
508 // Compile Background if necessary
509 Finalize();
510
511 // Paint result
512 TVirtualPad *pad = gPad;
513
514 pad->cd(1);
515
516 // Project on data onto yx-plane
517 fHist.GetZaxis()->SetRange(0,9999);
518 TH2 *h1=(TH2*)fHist.Project3D("yx_on");
519
520 // Set Glow-palette (PaintSurface doesn't allow more than 99 colors)
521 MH::SetPalette(fHistOff?"glowsym":"glow1", 99);
522 h1->SetContour(99);
523
524 TH2 *hx=0;
525
526 Double_t scale = 1;
527 if (fHistOff)
528 {
529 // Project off data onto yx-plane and subtract it from on-data
530 fHistOff->GetZaxis()->SetRange(0,9999);
531 TH2 *h=(TH2*)fHistOff->Project3D("yx_off");
532
533 const Double_t h1off = GetOffSignal(*h1);
534 const Double_t hoff = GetOffSignal(fHistBg);
535
536 scale = hoff==0 ? -1 : -h1off/hoff;
537
538 hx = (TH2*)pad->GetPad(4)->FindObject("Alpha_yx_sig");
539 if (hx)
540 {
541 hx->SetContour(99);
542 MakeSignificance(*hx, *h1, fHistBg, TMath::Abs(scale));
543 MakeDot(*hx);
544 MakeSymmetric(hx);
545 }
546
547 h1->Add(&fHistBg, scale);
548
549 MakeDot(*h1);
550 MakeSymmetric(h1);
551
552 delete h;
553 }
554
555 pad->cd(3);
556 TH1 *h2 = (TH1*)gPad->FindObject("RadProf");
557
558 TString opt(o);
559 opt.ToLower();
560
561 if (h1 && h2)
562 {
563 Int_t ix, iy, iz;
564 h1->GetMaximumBin(ix, iy, iz);
565
566 const Double_t x0 = h1->GetXaxis()->GetBinCenter(ix);
567 const Double_t y0 = h1->GetYaxis()->GetBinCenter(iy);
568 //const Double_t w0 = h1->GetXaxis()->GetBinWidth(1);
569
570 Profile(*h2, *h1, 0, 0);
571 //Profile(*h2, *h1, x0, y0);
572
573 if (h2->GetEntries()>0)
574 {
575 // Replace with MAlphaFitter?
576 TF1 func("fcn", "gaus + [3]*x*x + [4]");
577 func.SetLineWidth(1);
578 func.SetLineColor(kBlue);
579
580 func.SetParLimits(2, h2->GetBinWidth(1), 1.0);
581
582 func.SetParameter(0, h2->GetBinContent(1));
583 func.FixParameter(1, 0);
584 func.SetParameter(2, 0.12);
585 if (fHistOff)
586 func.FixParameter(3, 0);
587 func.SetParameter(4, 0);//h2->GetBinContent(20));
588 h2->Fit(&func, "IQ", "", 0, 1.0);
589
590 h2->SetTitle(Form("P=(%.2f\\circ/%.2f\\circ) \\omega=%.2f\\circ f=%.2f", x0, y0, func.GetParameter(2), TMath::Abs(scale)));
591 }
592 }
593
594 pad->cd(5);
595 if (h1)
596 Profile1D("Exc", *h1);
597
598 pad->cd(6);
599 if (hx)
600 Profile1D("Sig", *hx);
601}
602
603void MHDisp::Draw(Option_t *o)
604{
605 TVirtualPad *pad = gPad ? gPad : MakeDefCanvas(this);
606 const Int_t col = pad->GetFillColor();
607 pad->SetBorderMode(0);
608
609 AppendPad(o);
610
611 // ----- Pad number 4 -----
612 TString name = Form("%s_4", pad->GetName());
613 TPad *p = new TPad(name,name, 0.5025, 0.3355, 0.995, 0.995, col, 0, 0);
614 p->SetNumber(4);
615 p->Draw();
616 p->cd();
617
618 TH1 *h3 = fHist.Project3D("yx_sig");
619 h3->SetTitle("Significance Map");
620 h3->SetDirectory(NULL);
621 h3->SetXTitle(fHist.GetXaxis()->GetTitle());
622 h3->SetYTitle(fHist.GetYaxis()->GetTitle());
623 h3->SetMinimum(0);
624 h3->Draw("colz");
625 h3->SetBit(kCanDelete);
626
627 if (fHistOff)
628 GetCatalog()->Draw("mirror same *");
629
630 // ----- Pad number 1 -----
631 pad->cd();
632 name = Form("%s_1", pad->GetName());
633 p = new TPad(name,name, 0.005, 0.3355, 0.4975, 0.995, col, 0, 0);
634 p->SetNumber(1);
635 p->Draw();
636 p->cd();
637
638 h3 = fHist.Project3D("yx_on");
639 h3->SetTitle("Distribution of equivalent events");
640 h3->SetDirectory(NULL);
641 h3->SetXTitle(fHist.GetXaxis()->GetTitle());
642 h3->SetYTitle(fHist.GetYaxis()->GetTitle());
643 h3->SetMinimum(0);
644 h3->Draw("colz");
645 h3->SetBit(kCanDelete);
646
647 if (fHistOff)
648 GetCatalog()->Draw("mirror same *");
649
650 // ----- Pad number 2 -----
651 pad->cd();
652 name = Form("%s_2", pad->GetName());
653 p = new TPad(name,name, 0.005, 0.005, 0.2485, 0.3315, col, 0, 0);
654 p->SetNumber(2);
655 p->Draw();
656 p->cd();
657 h3->Draw("surf3");
658
659 // ----- Pad number 3 -----
660 pad->cd();
661 name = Form("%s_3", pad->GetName());
662 p = new TPad(name,name, 0.2525, 0.005, 0.4985, 0.3315, col, 0, 0);
663 p->SetNumber(3);
664 p->SetGrid();
665 p->Draw();
666 p->cd();
667
668 const Double_t maxr = TMath::Hypot(h3->GetXaxis()->GetXmax(), h3->GetYaxis()->GetXmax());
669 const Int_t nbin = (h3->GetNbinsX()+h3->GetNbinsY())/2;
670 TProfile *h = new TProfile("RadProf", "Radial Profile", nbin, 0, maxr);
671 h->SetDirectory(0);
672 //TH1F *h = new TH1F("RadProf", "Radial Profile", nbin, 0, maxr);
673 //h->Sumw2();
674 h->SetXTitle("\\vartheta [\\circ]");
675 h->SetYTitle("<cts>/\\Delta R");
676 h->SetBit(kCanDelete);
677 h->Draw();
678
679 // ----- Pad number 5 -----
680 pad->cd();
681 name = Form("%s_5", pad->GetName());
682 p = new TPad(name,name, 0.5025, 0.005, 0.7485, 0.3315, col, 0, 0);
683 p->SetNumber(5);
684 p->SetGrid();
685 p->Draw();
686 p->cd();
687
688 h3 = new TH1D("Exc", "Distribution of excess events", 10, -1, 1);
689 h3->SetDirectory(NULL);
690 h3->SetXTitle("N");
691 h3->SetYTitle("Counts");
692 h3->Draw();
693 h3->SetBit(kCanDelete);
694
695 // ----- Pad number 6 -----
696 pad->cd();
697 name = Form("%s_6", pad->GetName());
698 p = new TPad(name,name, 0.7525, 0.005, 0.9995, 0.3315, col, 0, 0);
699 p->SetNumber(6);
700 p->SetGrid();
701 p->Draw();
702 p->cd();
703
704 h3 = new TH1D("Sig", "Distribution of significances", 10, -1, 1);
705 h3->SetDirectory(NULL);
706 h3->SetXTitle("N");
707 h3->SetYTitle("Counts");
708 h3->Draw();
709 h3->SetBit(kCanDelete);
710}
711
712// --------------------------------------------------------------------------
713//
714// The following resources are available:
715//
716// MHDisp.Smearing: 0.1
717// MHDisp.Wobble: on/off
718//
719Int_t MHDisp::ReadEnv(const TEnv &env, TString prefix, Bool_t print)
720{
721 Int_t rc = MHFalseSource::ReadEnv(env, prefix, print);
722 if (rc==kERROR)
723 return kERROR;
724
725 if (IsEnvDefined(env, prefix, "Smearing", print))
726 {
727 rc = kTRUE;
728 SetSmearing(GetEnvValue(env, prefix, "Smearing", fSmearing));
729 }
730 if (IsEnvDefined(env, prefix, "Wobble", print))
731 {
732 rc = kTRUE;
733 SetWobble(GetEnvValue(env, prefix, "Wobble", fWobble));
734 }
735
736 return rc;
737}
738
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