ATLAS Offline Software
AtlasUtils.h
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1 /* emacs: this is -*- c++ -*- */
12 #ifndef ANALYSIS_ATLASUTILS_H
13 #define ANALYSIS_ATLASUTILS_H
14 
15 #include <stdio.h>
16 #include <cmath>
17 #include <iostream>
18 
19 #include "TLatex.h"
20 #include "TGraphErrors.h"
21 #include "TMarker.h"
22 #include "TPave.h"
23 #include "TGraphAsymmErrors.h"
24 #include "TH1.h"
25 #include "TLine.h"
26 
27 
28 
29 inline void ATLAS_LABEL(Double_t x,Double_t y,Color_t color=1)
30 {
31  TLatex l; //l.SetTextAlign(12); l.SetTextSize(tsize);
32  l.SetNDC();
33  l.SetTextFont(72);
34  l.SetTextColor(color);
35  l.DrawLatex(x,y,"ATLAS");
36 }
37 
38 inline TGraphErrors* myTGraphErrorsDivide(TGraphErrors* g1,TGraphErrors* g2) {
39 
40  const Int_t debug=0;
41 
42  if (!g1) printf("**myTGraphErrorsDivide: g1 does not exist ! \n");
43  if (!g2) printf("**myTGraphErrorsDivide: g2 does not exist ! \n");
44 
45 
46  Int_t n1=g1->GetN();
47  Int_t n2=g2->GetN();
48 
49  if (n1!=n2) {
50  printf("**myTGraphErrorsDivide: vector do not have same number of entries ! \n");
51  }
52 
53  TGraphErrors* g3= new TGraphErrors();
54 
55  Double_t x1=0., y1=0., x2=0., y2=0.;
56  Double_t dx1=0.,dy1=0., dy2=0.;
57 
58  Int_t iv=0;
59  for (Int_t i1=0; i1<n1; i1++) {
60  for (Int_t i2=0; i2<n2; i2++) {
61  //if (debug) printf("**myTGraphErrorsDivide: %d %d ! \n",i1,i2);
62 
63  g1->GetPoint(i1,x1,y1);
64  g2->GetPoint(i2,x2,y2);
65  if (x1!=x2) {
66  //printf("**myTGraphErrorsDivide: %d x1!=x2 %f %f ! \n",iv,x1,x2);
67  }else{
68  //if (debug) printf("**myTGraphErrorsDivide: %d x1=x2 %f %f ! \n",iv,x1,x2);
69  dx1 = g1->GetErrorX(i1);
70  if (y1!=0) dy1 = g1->GetErrorY(i1)/y1;
71  if (y2!=0) dy2 = g2->GetErrorY(i2)/y2;
72 
73  if (debug)
74  printf("**myTGraphErrorsDivide: %d x1=%f x2=%f y1=%f y2=%f \n",iv,x1,x2,y1,y2);
75 
76  if (y2!=0.) g3->SetPoint(iv, x1,y1/y2);
77  else g3->SetPoint(iv, x1,y2);
78 
79  Double_t e=0.;
80  if (y1!=0 && y2!=0) e=std::sqrt(dy1*dy1+dy2*dy2)*(y1/y2);
81  g3->SetPointError(iv,dx1,e);
82 
83 
84  if (debug) {
85  //Double_t g3y, g3x,g3e;
86  //g3->GetPoint(iv, g3y,g3x);
87  //g3e=g3->GetErrorY(iv);
88  //printf("%d g3y= %f g3e=%f \n",iv,g3y,g3e);
89  }
90  iv++;
91  }
92  // printf("**myTGraphErrorsDivide: ...next \n");
93  }
94  }
95  return g3;
96 
97 }
98 
99 
100 inline TGraphAsymmErrors* myTGraphErrorsDivide(TGraphAsymmErrors* g1,TGraphAsymmErrors* g2) {
101 
102  const Int_t debug=0;
103 
104  TGraphAsymmErrors* g3= new TGraphAsymmErrors();
105  Int_t n1=g1->GetN();
106  Int_t n2=g2->GetN();
107 
108  if (n1!=n2) {
109  printf(" vectors do not have same number of entries ! \n");
110  return g3;
111  }
112 
113  Double_t x1=0., y1=0., x2=0., y2=0.;
114  Double_t dx1h=0., dx1l=0.;
115  Double_t dy1h=0., dy1l=0.;
116  Double_t dy2h=0., dy2l=0.;
117 
118  Double_t* X1 = g1->GetX();
119  Double_t* Y1 = g1->GetY();
120  Double_t* EXhigh1 = g1->GetEXhigh();
121  Double_t* EXlow1 = g1->GetEXlow();
122  Double_t* EYhigh1 = g1->GetEYhigh();
123  Double_t* EYlow1 = g1->GetEYlow();
124 
125  Double_t* X2 = g2->GetX();
126  Double_t* Y2 = g2->GetY();
127  Double_t* EXhigh2 = g2->GetEXhigh();
128  Double_t* EXlow2 = g2->GetEXlow();
129  Double_t* EYhigh2 = g2->GetEYhigh();
130  Double_t* EYlow2 = g2->GetEYlow();
131 
132  for (Int_t i=0; i<g1->GetN(); i++) {
133  g1->GetPoint(i,x1,y1);
134  g2->GetPoint(i,x2,y2);
135  dx1h = EXhigh1[i];
136  dx1l = EXlow1[i];
137  if (y1!=0.) dy1h = EYhigh1[i]/y1;
138  else dy1h = 0.;
139  if (y2!=0.) dy2h = EYhigh2[i]/y2;
140  else dy2h = 0.;
141  if (y1!=0.) dy1l = EYlow1 [i]/y1;
142  else dy1l = 0.;
143  if (y2!=0.) dy2l = EYlow2 [i]/y2;
144  else dy2l = 0.;
145 
146  //if (debug)
147  //printf("%d x1=%f x2=%f y1=%f y2=%f \n",i,x1,x2,y1,y2);
148  if (debug)
149  printf("%d dy1=%f %f dy2=%f %f sqrt= %f %f \n",i,dy1l,dy1h,dy2l,dy2h,
150  sqrt(dy1l*dy1l+dy2l*dy2l),sqrt(dy1h*dy1h+dy2h*dy2h));
151 
152  if (y2!=0.) g3->SetPoint(i, x1,y1/y2);
153  else g3->SetPoint(i, x1,y2);
154  Double_t el=0.; Double_t eh=0.;
155 
156  if (y1!=0. && y2!=0.) el=sqrt(dy1l*dy1l+dy2l*dy2l)*(y1/y2);
157  if (y1!=0. && y2!=0.) eh=sqrt(dy1h*dy1h+dy2h*dy2h)*(y1/y2);
158 
159  if (debug) printf("dx1h=%f dx1l=%f el=%f eh=%f \n",dx1h,dx1l,el,eh);
160  g3->SetPointError(i,dx1h,dx1l,el,eh);
161 
162  }
163  return g3;
164 
165 }
166 
167 
168 
169 inline TGraphAsymmErrors* myMakeBand(TGraphErrors* g0, TGraphErrors* g1,TGraphErrors* g2) {
170  // default is g0
171  //const Int_t debug=0;
172 
173  TGraphAsymmErrors* g3= new TGraphAsymmErrors();
174 
175  Double_t x1=0., y1=0., x2=0., y2=0., y0=0, x3=0.;
176  //Double_t dx1=0.;
177  Double_t dum;
178  for (Int_t i=0; i<g1->GetN(); i++) {
179  g0->GetPoint(i, x1,y0);
180  g1->GetPoint(i, x1,y1);
181  g2->GetPoint(i, x1,y2);
182 
183  // if (y1==0) y1=1;
184  //if (y2==0) y2=1;
185 
186  if (i==g1->GetN()-1) x2=x1;
187  else g2->GetPoint(i+1,x2,dum);
188 
189  if (i==0) x3=x1;
190  else g2->GetPoint(i-1,x3,dum);
191 
192  Double_t tmp=y2;
193  if (y1<y2) {y2=y1; y1=tmp;}
194  //Double_t y3=1.;
195  Double_t y3=y0;
196  g3->SetPoint(i,x1,y3);
197 
198  Double_t binwl=(x1-x3)/2.;
199  Double_t binwh=(x2-x1)/2.;
200  if (binwl==0.) binwl= binwh;
201  if (binwh==0.) binwh= binwl;
202  g3->SetPointError(i,binwl,binwh,(y3-y2),(y1-y3));
203 
204  }
205  return g3;
206 
207 }
208 
209 
210 
211 inline void myAddtoBand(TGraphErrors* g1, TGraphAsymmErrors* g2) {
212 
213  Double_t x1=0., y1=0., y2=0., y0=0;
214  //Double_t dx1=0.;
215  //Double_t dum;
216 
217  if (g1->GetN()!=g2->GetN())
218  std::cout << " graphs have not the same # of elements " << std::endl;
219 
220  Double_t* EYhigh = g2-> GetEYhigh();
221  Double_t* EYlow = g2-> GetEYlow();
222 
223  for (Int_t i=0; i<g1->GetN(); i++) {
224  g1->GetPoint(i, x1,y1);
225  g2->GetPoint(i, x1,y2);
226 
227  if (y1==0) y1=1;
228  if (y2==0) y2=1;
229 
230  // if (i==g1->GetN()-1) x2=x1;
231  // else g2->GetPoint(i+1,x2,dum);
232  // if (i==0) x3=x1;
233  // else g2->GetPoint(i-1,x3,dum);
234 
235  Double_t eyh=0., eyl=0.;
236  //if (y1<y2) {y2=y1; y1=tmp;}
237  //Double_t y3=1.;
238 
239  //printf("%d: y1=%f y2=%f Eyhigh= %f Eylow= %f \n",i,y1,y2,EYhigh[i],EYlow[i]);
240 
241  y0=y1-y2;
242  if (y0!=0) {
243  if (y0>0){
244  eyh=EYhigh[i];
245  eyh=sqrt(eyh*eyh+y0*y0);
246  //printf("high: %d: y0=%f eyh=%f \n",i,y0,eyh);
247  g2->SetPointEYhigh(i,eyh);
248  } else {
249  eyl=EYlow[i];
250  eyl=sqrt(eyl*eyl+y0*y0);
251  // printf("low: %d: y0=%f eyl=%f \n",i,y0,eyl);
252  g2->SetPointEYlow (i,eyl);
253  }
254  }
255  }
256  return;
257 
258 }
259 
260 
261 
262 inline TGraphErrors* TH1TOTGraph(TH1 *h1){
263 
264 
265  if (!h1) std::cout << "TH1TOTGraph: histogram not found !" << std::endl;
266 
267  TGraphErrors* g1= new TGraphErrors();
268 
269  Double_t x, y, ex, ey;
270  for (Int_t i=0; i<h1->GetNbinsX(); i++) {
271  y=h1->GetBinContent(i);
272  ey=h1->GetBinError(i);
273  x=h1->GetBinCenter(i);
274  ex=h1->GetBinWidth(i);
275 
276  // cout << " x,y = " << x << " " << y << " ex,ey = " << ex << " " << ey << endl;
277 
278  g1->SetPoint(i,x,y);
279  g1->SetPointError(i,ex,ey);
280 
281  }
282 
283  //g1->Print();
284 
285  return g1;
286 }
287 
288 
289 
290 
291 inline void myText(Double_t x,Double_t y,Color_t color,char *text) {
292 
293  //Double_t tsize=0.05;
294  TLatex l; //l.SetTextAlign(12); l.SetTextSize(tsize);
295  l.SetNDC();
296  l.SetTextColor(color);
297  l.DrawLatex(x,y,text);
298 }
299 
300 
301 inline void myBoxText(Double_t x, Double_t y,Double_t boxsize,Int_t mcolor,char *text) {
302 
303  Double_t tsize=0.06;
304 
305  TLatex l; l.SetTextAlign(12); //l.SetTextSize(tsize);
306  l.SetNDC();
307  l.DrawLatex(x,y,text);
308 
309  Double_t y1=y-0.25*tsize;
310  Double_t y2=y+0.25*tsize;
311  Double_t x2=x-0.3*tsize;
312  Double_t x1=x2-boxsize;
313 
314  printf("x1= %f x2= %f y1= %f y2= %f \n",x1,x2,y1,y2);
315 
316  TPave *mbox= new TPave(x1,y1,x2,y2,0,"NDC");
317 
318  mbox->SetFillColor(mcolor);
319  mbox->SetFillStyle(1001);
320  mbox->Draw();
321 
322  TLine mline;
323  mline.SetLineWidth(4);
324  mline.SetLineColor(1);
325  mline.SetLineStyle(1);
326  Double_t ytmp=(y1+y2)/2.;
327  mline.DrawLineNDC(x1,ytmp,x2,y);
328 
329 }
330 
331 
332 inline void myMarkerText(Double_t x,Double_t y,Int_t color,Int_t mstyle,char *text) {
333 
334  // printf("**myMarker: text= %s\ m ",text);
335 
336  Double_t tsize=0.06;
337  TMarker *marker = new TMarker(x-(0.4*tsize),y,8);
338  marker->SetMarkerColor(color); marker->SetNDC();
339  marker->SetMarkerStyle(mstyle);
340  marker->SetMarkerSize(2.0);
341  marker->Draw();
342 
343  TLatex l; l.SetTextAlign(12); //l.SetTextSize(tsize);
344  l.SetNDC();
345  l.DrawLatex(x,y,text);
346 }
347 
348 #endif // ANALYSIS_ATLASUTILS_H
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