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source: git/external/ExRootAnalysis/ExRootResult.cc

Last change on this file was 341014c, checked in by Pavel Demin <pavel-demin@…>, 6 years ago

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1
2/** \class ExRootResult
3 *
4 * Class simplifying work with histograms
5 *
6 * \author P. Demin - UCL, Louvain-la-Neuve
7 *
8 */
9
10#include "ExRootAnalysis/ExRootResult.h"
11
12#include "ExRootAnalysis/ExRootUtilities.h"
13
14#include "TCanvas.h"
15#include "TClass.h"
16#include "TFile.h"
17#include "TFolder.h"
18#include "TH2.h"
19#include "THStack.h"
20#include "TLegend.h"
21#include "TList.h"
22#include "TObjArray.h"
23#include "TPaveStats.h"
24#include "TPaveText.h"
25#include "TProfile.h"
26#include "TROOT.h"
27#include "TStyle.h"
28
29#include <iostream>
30
31using namespace std;
32
33static const Font_t kExRootFont = 42;
34static const Float_t kExRootFontSize = 0.04;
35static const Color_t kExRootBackgroundColor = 10;
36
37//------------------------------------------------------------------------------
38
39ExRootResult::ExRootResult() :
40 fCanvas(0), fFolder(0)
41{
42}
43
44//------------------------------------------------------------------------------
45
46ExRootResult::~ExRootResult()
47{
48 set<TObject *>::iterator itPool;
49 for(itPool = fPool.begin(); itPool != fPool.end(); ++itPool)
50 {
51 delete *itPool;
52 }
53
54 if(fCanvas) delete fCanvas;
55}
56
57//------------------------------------------------------------------------------
58
59void ExRootResult::Reset()
60{
61}
62
63//------------------------------------------------------------------------------
64
65void ExRootResult::Write(const char *fileName)
66{
67 TObject *object;
68 TDirectory *currentDirectory = gDirectory;
69 TFile *file = new TFile(fileName, "RECREATE");
70 file->cd();
71 std::map<TObject *, PlotSettings>::iterator itPlotMap;
72 for(itPlotMap = fPlotMap.begin(); itPlotMap != fPlotMap.end(); ++itPlotMap)
73 {
74 object = itPlotMap->first;
75 object->Write();
76 }
77 currentDirectory->cd();
78 delete file;
79}
80
81//------------------------------------------------------------------------------
82
83void ExRootResult::CreateCanvas()
84{
85 TDirectory *currentDirectory = gDirectory;
86
87 // Graphics style parameters to avoid grey background on figures
88 gStyle->SetCanvasColor(kExRootBackgroundColor);
89 gStyle->SetStatColor(kExRootBackgroundColor);
90 // gStyle->SetTitleColor(kExRootBackgroundColor);
91 gStyle->SetPadColor(kExRootBackgroundColor);
92
93 gStyle->SetPadTopMargin(0.10);
94 gStyle->SetPadRightMargin(0.10);
95 gStyle->SetPadBottomMargin(0.15);
96 gStyle->SetPadLeftMargin(0.15);
97
98 gStyle->SetStatFont(kExRootFont);
99 gStyle->SetStatFontSize(kExRootFontSize);
100
101 gStyle->SetTitleFont(kExRootFont, "");
102 gStyle->SetTitleFont(kExRootFont, "X");
103 gStyle->SetTitleFont(kExRootFont, "Y");
104 gStyle->SetTitleFont(kExRootFont, "Z");
105 gStyle->SetTitleSize(kExRootFontSize, "");
106 gStyle->SetTitleSize(kExRootFontSize, "X");
107 gStyle->SetTitleSize(kExRootFontSize, "Y");
108 gStyle->SetTitleSize(kExRootFontSize, "Z");
109
110 gStyle->SetLabelFont(kExRootFont, "X");
111 gStyle->SetLabelFont(kExRootFont, "Y");
112 gStyle->SetLabelFont(kExRootFont, "Z");
113 gStyle->SetLabelSize(kExRootFontSize, "X");
114 gStyle->SetLabelSize(kExRootFontSize, "Y");
115 gStyle->SetLabelSize(kExRootFontSize, "Z");
116
117 gStyle->SetPadTickX(1);
118 gStyle->SetPadTickY(1);
119
120 gStyle->SetTextFont(kExRootFont);
121 gStyle->SetTextSize(kExRootFontSize);
122
123 gStyle->SetOptStat(111110);
124 // gStyle->SetOptFit(101);
125
126 fCanvas = static_cast<TCanvas *>(gROOT->FindObject("c1"));
127 if(fCanvas)
128 {
129 fCanvas->Clear();
130 fCanvas->UseCurrentStyle();
131 fCanvas->SetWindowSize(800, 650);
132 }
133 else
134 {
135 fCanvas = new TCanvas("c1", "c1", 800, 650);
136 }
137 fCanvas->SetLogy(0);
138 fCanvas->SetHighLightColor(kExRootBackgroundColor);
139
140 currentDirectory->cd();
141}
142
143//------------------------------------------------------------------------------
144
145TCanvas *ExRootResult::GetCanvas()
146{
147 if(!fCanvas) CreateCanvas();
148 return fCanvas;
149}
150
151//------------------------------------------------------------------------------
152
153void ExRootResult::Attach(TObject *plot, TObject *object)
154{
155 if(!plot) return;
156
157 std::map<TObject *, PlotSettings>::iterator itPlotMap = fPlotMap.find(plot);
158 if(itPlotMap != fPlotMap.end())
159 {
160 TObjArray *attachments = itPlotMap->second.attachments;
161 if(!attachments)
162 {
163 attachments = new TObjArray();
164 itPlotMap->second.attachments = attachments;
165 }
166 attachments->Add(object);
167 }
168}
169
170//------------------------------------------------------------------------------
171
172void ExRootResult::PrintPlot(TObject *plot, const char *sufix, const char *format)
173{
174 if(!plot) return;
175
176 TCanvas *canvas = GetCanvas();
177 TH1 *histogram = 0;
178
179 if(plot->IsA()->InheritsFrom(TH1::Class()))
180 {
181 histogram = static_cast<TH1 *>(plot);
182 }
183
184 map<TObject *, PlotSettings>::iterator itPlotMap = fPlotMap.find(plot);
185 if(itPlotMap != fPlotMap.end())
186 {
187 PlotSettings settings = itPlotMap->second;
188
189 canvas->SetLogx(settings.logx);
190 if(histogram == 0 || histogram->Integral() > 0.0)
191 {
192 canvas->SetLogy(settings.logy);
193 }
194 else
195 {
196 canvas->SetLogy(0);
197 }
198
199 if(settings.attachments)
200 {
201 TIter iterator(settings.attachments);
202 TObject *object;
203 while((object = iterator()))
204 {
205 object->Draw();
206 }
207 }
208 }
209
210 TString name = plot->GetName();
211 canvas->Print(name + sufix + "." + format);
212}
213
214//------------------------------------------------------------------------------
215
216void ExRootResult::Print(const char *format)
217{
218 PlotSettings settings;
219 TObject *object;
220 TH1 *histogram;
221 THStack *stack;
222 TPaveStats *stats;
223 TString name;
224
225 TCanvas *canvas = GetCanvas();
226
227 map<TObject *, PlotSettings>::iterator itPlotMap;
228
229 for(itPlotMap = fPlotMap.begin(); itPlotMap != fPlotMap.end(); ++itPlotMap)
230 {
231 object = itPlotMap->first;
232 settings = itPlotMap->second;
233 name = object->GetName();
234 histogram = 0;
235 stack = 0;
236
237 if(object->IsA()->InheritsFrom(TH1::Class()))
238 {
239 histogram = static_cast<TH1 *>(object);
240 }
241 else if(object->IsA()->InheritsFrom(THStack::Class()))
242 {
243 stack = static_cast<THStack *>(object);
244 histogram = static_cast<TH1 *>(stack->GetHists()->First());
245 }
246
247 canvas->SetLogx(settings.logx);
248 if(histogram == 0 || histogram->Integral() > 0.0)
249 {
250 canvas->SetLogy(settings.logy);
251 }
252 else
253 {
254 canvas->SetLogy(0);
255 }
256
257 if(object->IsA()->InheritsFrom(THStack::Class()))
258 {
259 object->Draw("nostack");
260 stack->GetXaxis()->SetTitle(histogram->GetXaxis()->GetTitle());
261 stack->GetYaxis()->SetTitle(histogram->GetYaxis()->GetTitle());
262 stack->GetXaxis()->SetTitleOffset(1.5);
263 stack->GetYaxis()->SetTitleOffset(1.75);
264 }
265 else
266 {
267 object->Draw();
268 }
269
270 canvas->Update();
271
272 if(histogram)
273 {
274 stats = static_cast<TPaveStats *>(histogram->FindObject("stats"));
275 if(stats)
276 {
277 stats->SetX1NDC(0.67);
278 stats->SetX2NDC(0.99);
279 stats->SetY1NDC(0.77);
280 stats->SetY2NDC(0.99);
281 stats->SetTextFont(kExRootFont);
282 stats->SetTextSize(kExRootFontSize);
283 canvas->Draw();
284 }
285 }
286
287 if(settings.attachments)
288 {
289 TIter iterator(settings.attachments);
290 while((object = iterator()))
291 {
292 object->Draw();
293 }
294 }
295
296 canvas->Print(name + "." + format);
297 }
298}
299
300//------------------------------------------------------------------------------
301
302TH1 *ExRootResult::AddHist1D(const char *name, const char *title,
303 const char *xlabel, const char *ylabel,
304 Int_t nxbins, Axis_t xmin, Axis_t xmax,
305 Int_t logx, Int_t logy)
306{
307 TH1F *hist = new TH1F(name, title, nxbins, xmin, xmax);
308 PlotSettings settings;
309 settings.logx = logx;
310 settings.logy = logy;
311 settings.attachments = 0;
312
313 hist->GetXaxis()->SetTitle(xlabel);
314 hist->GetYaxis()->SetTitle(ylabel);
315
316 fPool.insert(hist);
317 fPlotMap[hist] = settings;
318
319 HistStyle(hist, kFALSE);
320 if(fFolder) fFolder->Add(hist);
321 return hist;
322}
323
324//------------------------------------------------------------------------------
325
326TH1 *ExRootResult::AddHist1D(const char *name, const char *title,
327 const char *xlabel, const char *ylabel,
328 Int_t nxbins, const Float_t *bins,
329 Int_t logx, Int_t logy)
330{
331 TH1F *hist = new TH1F(name, title, nxbins, bins);
332 PlotSettings settings;
333 settings.logx = logx;
334 settings.logy = logy;
335 settings.attachments = 0;
336
337 hist->GetXaxis()->SetTitle(xlabel);
338 hist->GetYaxis()->SetTitle(ylabel);
339
340 fPool.insert(hist);
341 fPlotMap[hist] = settings;
342
343 HistStyle(hist, kFALSE);
344 if(fFolder) fFolder->Add(hist);
345 return hist;
346}
347
348//------------------------------------------------------------------------------
349
350TProfile *ExRootResult::AddProfile(const char *name, const char *title,
351 const char *xlabel, const char *ylabel,
352 Int_t nxbins, Axis_t xmin, Axis_t xmax,
353 Int_t logx, Int_t logy)
354{
355 TProfile *profile = new TProfile(name, title, nxbins, xmin, xmax);
356 PlotSettings settings;
357 settings.logx = logx;
358 settings.logy = logy;
359 settings.attachments = 0;
360
361 profile->GetXaxis()->SetTitle(xlabel);
362 profile->GetYaxis()->SetTitle(ylabel);
363
364 fPool.insert(profile);
365 fPlotMap[profile] = settings;
366
367 HistStyle(profile, kFALSE);
368 if(fFolder) fFolder->Add(profile);
369 return profile;
370}
371
372//------------------------------------------------------------------------------
373
374TH2 *ExRootResult::AddHist2D(const char *name, const char *title,
375 const char *xlabel, const char *ylabel,
376 Int_t nxbins, Axis_t xmin, Axis_t xmax,
377 Int_t nybins, Axis_t ymin, Axis_t ymax,
378 Int_t logx, Int_t logy)
379{
380 TH2F *hist = new TH2F(name, title, nxbins, xmin, xmax, nybins, ymin, ymax);
381 PlotSettings settings;
382 settings.logx = logx;
383 settings.logy = logy;
384 settings.attachments = 0;
385
386 hist->GetXaxis()->SetTitle(xlabel);
387 hist->GetYaxis()->SetTitle(ylabel);
388
389 fPool.insert(hist);
390 fPlotMap[hist] = settings;
391
392 HistStyle(hist, kFALSE);
393 if(fFolder) fFolder->Add(hist);
394 return hist;
395}
396
397//------------------------------------------------------------------------------
398
399THStack *ExRootResult::AddHistStack(const char *name, const char *title)
400{
401 THStack *stack = new THStack(name, title);
402 PlotSettings settings;
403 settings.logx = 0;
404 settings.logy = 0;
405 settings.attachments = 0;
406
407 fPool.insert(stack);
408 fPlotMap[stack] = settings;
409
410 if(fFolder) fFolder->Add(stack);
411 return stack;
412}
413
414//------------------------------------------------------------------------------
415
416TPaveText *ExRootResult::AddComment(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
417{
418 TPaveText *comment = new TPaveText(x1, y1, x2, y2, "brNDC");
419
420 comment->SetTextSize(kExRootFontSize);
421 comment->SetTextFont(kExRootFont);
422 comment->SetTextAlign(22);
423 comment->SetFillColor(kExRootBackgroundColor);
424 comment->SetBorderSize(2);
425
426 fPool.insert(comment);
427
428 return comment;
429}
430
431//------------------------------------------------------------------------------
432
433TLegend *ExRootResult::AddLegend(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
434{
435 TLegend *legend = new TLegend(x1, y1, x2, y2);
436
437 legend->SetTextSize(kExRootFontSize);
438 legend->SetTextFont(kExRootFont);
439 legend->SetFillColor(kExRootBackgroundColor);
440 legend->SetBorderSize(2);
441
442 fPool.insert(legend);
443
444 return legend;
445}
446
447//------------------------------------------------------------------------------
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