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commonUtility.h
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commonUtility.h
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#ifndef COMMONUTILITY_Yongsun_H
#define COMMONUTILITY_Yongsun_H
#include <TGraphAsymmErrors.h>
#include <TLegend.h>
#include <TF1.h>
#include <TCanvas.h>
#include <TLatex.h>
#include <TLine.h>
#include <TCanvas.h>
#include <TBox.h>
#include <TH1F.h>
#include <TH1D.h>
#include <TH2D.h>
#include <TH2F.h>
#include <TGaxis.h>
#include <TDatime.h>
#include <iostream>
#include <TMath.h>
using namespace std;
struct kinem {
Double_t pt;
Double_t eta;
Double_t phi;
};
void drawSys(TH1 *h,TH1 *sys, Int_t theColor= 90, Int_t fillStyle = -1, Int_t lineStyle = -1, Double_t binWidth=-1)
{
for (Int_t i=1;i<=h->GetNbinsX();i++)
{
Double_t val = h->GetBinContent(i);
float xx = h->GetBinCenter(i);
int iErr = sys->FindBin(xx);
Double_t err = TMath::Abs( val * sys->GetBinContent(iErr));
if (err == 0 ) continue;
if (binWidth <0) {
binWidth = h->GetBinLowEdge(1) - h->GetBinLowEdge(2);
}
//Double_t point = (h->GetBinLowEdge(i) + h->GetBinLowEdge(i+1))/2.;
TBox *b = new TBox(xx-binWidth/3,val-err,xx+binWidth/3,val+err);
b->SetLineColor(theColor);
b->SetFillColor(theColor);
if ( fillStyle > -1 ) b->SetFillStyle(fillStyle);
if ( lineStyle > -1 ) b->SetLineStyle(lineStyle);
b->Draw();
}
}
void claverCanvasSaving(TCanvas* c, TString s,TString format="gif") {
TDatime* date = new TDatime();
c->SaveAs(Form("%s_%d.%s",s.Data(),date->GetDate(), format.Data()));
}
Double_t getDPHI( Double_t phi1, Double_t phi2) {
Double_t dphi = phi1 - phi2;
if ( dphi > 3.141592653589 )
dphi = dphi - 2. * 3.141592653589;
if ( dphi <= -3.141592653589 )
dphi = dphi + 2. * 3.141592653589;
if ( TMath::Abs(dphi) > 3.141592653589 ) {
cout << " commonUtility::getDPHI error!!! dphi is bigger than 3.141592653589 " << endl;
}
return dphi;
}
Double_t getAbsDphi( Double_t phi1, Double_t phi2) {
return TMath::Abs( getDPHI(phi1, phi2) ) ;
}
Double_t getDR( Double_t eta1, Double_t phi1, Double_t eta2, Double_t phi2){
Double_t theDphi = getDPHI( phi1, phi2);
Double_t theDeta = eta1 - eta2;
return TMath::Sqrt ( theDphi*theDphi + theDeta*theDeta);
}
void divideWOerr( TH1* h1, TH1* h2) { //by Yongsun Jan 26 2012
if ( h1->GetNbinsX() != h2->GetNbinsX() ) {
cout << " different bin numbers!!" << endl;
return;
}
for ( Int_t i=1 ; i<=h1->GetNbinsX() ; i++) {
if ( (h2->GetBinContent(i) == 0 ) ) {
h1->SetBinContent(i, 0);
h1->SetBinError (i, 0);
}
else {
Float_t newV = h1->GetBinContent(i)/ h2->GetBinContent(i);
Float_t newE = h1->GetBinError(i) / h2->GetBinContent(i);
h1->SetBinContent(i, newV);
h1->SetBinError (i, newE);
}
}
}
void AddBinError( TH1* h=0, Int_t binNumber=0 , Float_t val=0){
Float_t valO = h->GetBinError(binNumber);
Float_t newVal = TMath::Sqrt( valO*valO + val*val);
h->SetBinError(binNumber,newVal);
}
void drawSys(TH1 *h,Double_t *sys, Int_t theColor= kYellow, Int_t fillStyle = -1, Int_t lineStyle = -1)
{
for (Int_t i=1;i<=h->GetNbinsX();i++)
{
Double_t val = h->GetBinContent(i);
Double_t err = val * sys[i-1];
TBox *b = new TBox(h->GetBinLowEdge(i),val-err,h->GetBinLowEdge(i+1),val+err);
// b->SetFillStyle(3001);
b->SetLineColor(theColor);
b->SetFillColor(theColor);
if ( fillStyle > -1 ) b->SetFillStyle(fillStyle);
if ( lineStyle > -1 ) b->SetLineStyle(lineStyle);
b->Draw();
}
}
void drawSys(TGraph *h, Double_t *sys, Double_t width=5, Int_t theColor= kYellow, Int_t fillStyle = -1, Int_t lineStyle = -1)
{
for (Int_t i=0;i<h->GetN();i++)
{
Double_t val;
Double_t theX;
h->GetPoint(i,theX,val);
Double_t err = val * sys[i];
TBox *b = new TBox(theX-width,val-err,theX+width,val+err);
b->SetLineColor(theColor);
b->SetFillColor(theColor);
if ( fillStyle > -1 ) b->SetFillStyle(fillStyle);
if ( lineStyle > -1 ) b->SetLineStyle(lineStyle);
b->Draw();
}
}
void drawSysAbs(TH1 *h,TH1 *sys, Int_t theColor= kYellow, Int_t fillStyle = -1, Int_t lineStyle = -1)
{
for (Int_t i=1;i<=h->GetNbinsX();i++)
{
Double_t val = h->GetBinContent(i);
Double_t err = TMath::Abs(sys->GetBinContent(i));
if (err == 0 ) continue;
TBox *b = new TBox(h->GetBinLowEdge(i),val-err,h->GetBinLowEdge(i+1),val+err);
b->SetLineColor(theColor);
b->SetFillColor(theColor);
if ( fillStyle > -1 ) b->SetFillStyle(fillStyle);
if ( lineStyle > -1 ) b->SetLineStyle(lineStyle);
b->Draw();
}
}
void integerizeTH1(TH1* h1) {
for ( Int_t j = 0 ; j <= h1->GetNbinsX()+1 ; j++) {
Float_t vTemp = h1->GetBinContent(j);
h1->SetBinContent( j , (Int_t)vTemp ) ;
}
}
void multiplyBonA(TH1* h1, TH1* h2) {
if ( h1->GetNbinsX() != h2->GetNbinsX() ) {
cout << " different bin numbers.." << endl ;
return ;
}
for ( Int_t j=1 ; j<= h1->GetNbinsX(); j++) {
Float_t v1 = h1->GetBinContent(j);
Float_t e1 = h1->GetBinError(j);
Float_t v2 = h2->GetBinContent(j);
// Float_t e2 = h2->GetBinError(j);
Float_t v3 = v1 * v2;
Float_t e3 = e1 * v2;
h1->SetBinContent(j, v3);
h1->SetBinError(j, e3);
}
}
void drawPatch(Float_t x1, Float_t y1, Float_t x2, Float_t y2, Int_t color =0, Int_t style=1001, char* ops = ""){
TLegend *t1=new TLegend(x1,y1,x2,y2,NULL,ops);
if ( color ==0) t1->SetFillColor(kWhite);
else t1->SetFillColor(color);
t1->SetBorderSize(0);
t1->SetFillStyle(style);
t1->Draw("");
}
void drawErrorBox(Float_t x1,Float_t y1, Float_t x2, Float_t y2, Int_t theColor=kSpring+8)
{
TBox* tt = new TBox(x1,y1,x2,y2);
tt->SetFillColor(theColor);
tt->SetFillStyle(3001);
tt->Draw();
}
void drawErrorBand(TH1* h, Double_t* err, Int_t theColor=kSpring+8)
{
for ( Int_t j=1 ; j<= h->GetNbinsX()-1; j++) {
Double_t theCont = h->GetBinContent(j);
Double_t theErr = err[j] * h->GetBinContent(j);
TBox* tt = new TBox(h->GetBinLowEdge(j), theCont-theErr, h->GetBinLowEdge(j)+ h->GetBinWidth(j), theCont+theErr);
tt->SetFillColor(theColor);
tt->SetFillStyle(3001);
tt->Draw();
}
}
void drawText(const char *text, Float_t xp, Float_t yp, Int_t textColor=kBlack, Int_t textSize=18){
TLatex *tex = new TLatex(xp,yp,text);
tex->SetTextFont(43);
// if(bold)tex->SetTextFont(43);
tex->SetTextSize(textSize);
tex->SetTextColor(textColor);
tex->SetLineWidth(1);
tex->SetNDC();
tex->Draw();
}
void drawText2(const char *text, Float_t xp, Float_t yp, Int_t textSize=18){
TLatex *tex = new TLatex(xp,yp,text);
tex->SetTextFont(43);
tex->SetTextSize(textSize);
tex->SetTextColor(kBlack);
tex->SetLineWidth(1);
tex->Draw();
}
void jumSun(Double_t x1=0,Double_t y1=0,Double_t x2=1,Double_t y2=1,Int_t color=1, Double_t width=1)
{
TLine* t1 = new TLine(x1,y1,x2,y2);
t1->SetLineWidth(width);
t1->SetLineStyle(7);
t1->SetLineColor(color);
t1->Draw();
}
void onSun(Double_t x1=0,Double_t y1=0,Double_t x2=1,Double_t y2=1,Int_t color=1, Double_t width=1)
{
TLine* t1 = new TLine(x1,y1,x2,y2);
t1->SetLineWidth(width);
t1->SetLineStyle(1);
t1->SetLineColor(color);
t1->Draw();
}
void regSun(Double_t x1=0,Double_t y1=0,Double_t x2=1,Double_t y2=1,Int_t color=1, Double_t width=1)
{
TLine* t1 = new TLine(x1,y1,x2,y2);
t1->SetLineWidth(width);
t1->SetLineStyle(1);
t1->SetLineColor(color);
t1->Draw();
}
void mcStyle1(TH1* h=0) {
h->SetLineColor(kRed);
h->SetFillColor(kRed-9);
h->SetFillStyle(3004);
}
void mcStyle2(TH1* h=0) {
h->SetLineColor(kBlue);
h->SetFillColor(kAzure-8);
h->SetFillStyle(3005);
}
void mcStyle3(TH1* h=0) {
h->SetLineColor(kBlue);
h->SetFillColor(kAzure-8);
h->SetFillStyle(3005);
h->SetMarkerSize(0);
}
void makeMultiPanelCanvas(TCanvas*& canv, const Int_t columns,
const Int_t rows, const Float_t leftOffset=0.,
const Float_t bottomOffset=0.,
const Float_t leftMargin=0.2,
const Float_t bottomMargin=0.2,
const Float_t edge=0.05) {
if (canv==0) {
//Error("makeMultiPanelCanvas","Got null canvas.");
return;
}
canv->Clear();
TPad* pad[columns][rows];
Float_t Xlow[columns];
Float_t Xup[columns];
Float_t Ylow[rows];
Float_t Yup[rows];
Float_t PadWidth =
(1.0-leftOffset)/((1.0/(1.0-leftMargin)) +
(1.0/(1.0-edge))+(Float_t)columns-2.0);
Float_t PadHeight =
(1.0-bottomOffset)/((1.0/(1.0-bottomMargin)) +
(1.0/(1.0-edge))+(Float_t)rows-2.0);
Xlow[0] = leftOffset;
Xup[0] = leftOffset + PadWidth/(1.0-leftMargin);
Xup[columns-1] = 1;
Xlow[columns-1] = 1.0-PadWidth/(1.0-edge);
Yup[0] = 1;
Ylow[0] = 1.0-PadHeight/(1.0-edge);
Ylow[rows-1] = bottomOffset;
Yup[rows-1] = bottomOffset + PadHeight/(1.0-bottomMargin);
for(Int_t i=1;i<columns-1;i++) {
Xlow[i] = Xup[0] + (i-1)*PadWidth;
Xup[i] = Xup[0] + (i)*PadWidth;
}
Int_t ct = 0;
for(Int_t i=rows-2;i>0;i--) {
Ylow[i] = Yup[rows-1] + ct*PadHeight;
Yup[i] = Yup[rows-1] + (ct+1)*PadHeight;
ct++;
}
TString padName;
for(Int_t i=0;i<columns;i++) {
for(Int_t j=0;j<rows;j++) {
canv->cd();
padName = Form("p_%d_%d",i,j);
pad[i][j] = new TPad(padName.Data(),padName.Data(),
Xlow[i],Ylow[j],Xup[i],Yup[j]);
if(i==0) pad[i][j]->SetLeftMargin(leftMargin);
else pad[i][j]->SetLeftMargin(0);
if(i==(columns-1)) pad[i][j]->SetRightMargin(edge);
else pad[i][j]->SetRightMargin(0);
if(j==0) pad[i][j]->SetTopMargin(edge);
else pad[i][j]->SetTopMargin(0);
if(j==(rows-1)) pad[i][j]->SetBottomMargin(bottomMargin);
else pad[i][j]->SetBottomMargin(0);
pad[i][j]->Draw();
pad[i][j]->cd();
pad[i][j]->SetNumber(columns*j+i+1);
}
}
}
void makeEfficiencyCanvas(TCanvas*& canv, const Int_t columns,
const Float_t leftOffset=0.05,
const Float_t bottomOffset=0.01,
const Float_t leftMargin=0.25,
const Float_t bottomMargin=0.25,
const Float_t edge=0.01) {
const Int_t rows = 2;
if (canv==0) {
//Error("makeMultiPanelCanvas","Got null canvas.");
return;
}
canv->Clear();
TPad* pad[columns][rows];
Float_t Xlow[columns];
Float_t Xup[columns];
Float_t Ylow[rows];
Float_t Yup[rows];
Float_t PadWidth =
(1.0-leftOffset)/((1.0/(1.0-leftMargin)) +
(1.0/(1.0-edge))+(Float_t)columns-2.0);
Float_t PadHeight =
(1.0-bottomOffset)/((1.0/(1.0-bottomMargin)) +
(1.0/(1.0-edge))+(Float_t)rows-2.0);
Xlow[0] = leftOffset;
Xup[0] = leftOffset + PadWidth/(1.0-leftMargin);
Xup[columns-1] = 1;
Xlow[columns-1] = 1.0-PadWidth/(1.0-edge);
Yup[0] = 1;
Ylow[rows-1] = bottomOffset;
Ylow[0] = 1.0-PadHeight/(1.0-edge) - 0.2;
Yup[rows-1] = bottomOffset + PadHeight/(1.0-bottomMargin) - 0.2;
for(Int_t i=1;i<columns-1;i++) {
Xlow[i] = Xup[0] + (i-1)*PadWidth;
Xup[i] = Xup[0] + (i)*PadWidth;
}
//Int_t ct = 0;
TString padName;
for(Int_t i=0;i<columns;i++) {
for(Int_t j=0;j<rows;j++) {
canv->cd();
padName = Form("p_%d_%d",i,j);
pad[i][j] = new TPad(padName.Data(),padName.Data(),
Xlow[i],Ylow[j],Xup[i],Yup[j]);
if(i==0) pad[i][j]->SetLeftMargin(leftMargin);
else pad[i][j]->SetLeftMargin(0);
if(i==(columns-1)) pad[i][j]->SetRightMargin(edge);
else pad[i][j]->SetRightMargin(0);
if(j==0) pad[i][j]->SetTopMargin(edge);
else pad[i][j]->SetTopMargin(0);
if(j==(rows-1)) pad[i][j]->SetBottomMargin(bottomMargin);
else pad[i][j]->SetBottomMargin(0);
pad[i][j]->Draw();
pad[i][j]->cd();
pad[i][j]->SetNumber(columns*j+i+1);
}
}
}
void twikiSave(TCanvas* c=0, char* name="",Int_t w=0,Int_t h=0)
{
if ( w==0) w = c->GetWindowWidth();
if ( h==0) h = c->GetWindowHeight();
c->SaveAs(name);
cout << Form(" <br/> <img src=\"%%ATTACHURLPATH%%/%s\" alt=\"%s\" width='%d' height='%d'/>",name,name,w,h)<< endl;
}
void centralityBinning(Float_t *b=0)
{
b[0]= 0;
b[1]= 5.045;
b[2]= 7.145;
b[3]= 8.755;
b[4]= 10.105;
b[5]= 11.294;
b[6]= 12.373;
b[7]= 13.359;
b[8]= 14.283;
b[9]= 15.202;
b[10] = 100;
}
void handsomeTH2( TH2 *a=0)
{
a->GetYaxis()->SetTitleOffset(1.25);
a->GetXaxis()->CenterTitle();
a->GetYaxis()->CenterTitle();
}
void handsomeTH1( TH1 *a=0, Int_t col =1, Float_t size=1, Int_t markerstyle=20)
{
a->SetMarkerColor(col);
a->SetMarkerSize(size);
a->SetMarkerStyle(markerstyle);
a->SetLineColor(col);
a->GetYaxis()->SetTitleOffset(1.25);
a->GetXaxis()->CenterTitle();
a->GetYaxis()->CenterTitle();
}
void fixedFontAxis(TGaxis * ax)
{
ax->SetLabelFont(43);
ax->SetLabelOffset(0.01);
ax->SetLabelSize(22);
ax->SetTitleFont(43);
ax->SetTitleSize(14);
ax->SetTitleOffset(2);
}
void fixedFontHist(TH1 * h, Float_t xoffset=1.3, Float_t yoffset=1.2)
{
h->SetLabelFont(43,"X");
h->SetLabelFont(43,"Y");
//h->SetLabelOffset(0.01);
h->SetLabelSize(22);
h->SetTitleFont(43);
h->SetTitleSize(16);
h->SetLabelSize(18,"Y");
h->SetLabelSize(18,"X");
h->SetTitleFont(43,"Y");
h->SetTitleSize(20,"Y");
h->SetTitleSize(20,"X");
h->SetTitleOffset(xoffset,"X");
h->SetTitleOffset(yoffset,"Y");
h->GetXaxis()->CenterTitle();
h->GetYaxis()->CenterTitle();
}
void handsomeTH1Fill( TH1 *a=0, Int_t nFill=1) {
handsomeTH1(a,nFill);
a->SetFillColor(nFill);
}
void handsomeTGraph(TGraphAsymmErrors* a, Int_t col=1)
{
a->SetLineColor(col);
a->SetMarkerColor(col);
a->SetMarkerSize(1);
a->SetMarkerStyle(24);
}
void TH1ScaleByWidth(TH1* h=0)
{
Int_t nBins = h->GetNbinsX();
// cout << "Start scaling by width" << endl;
for ( Int_t j=1; j<=nBins ;j++)
{
Double_t theWidth = h->GetBinWidth(j);
// cout << "width = " << theWidth << ", " ;
Double_t cont = h->GetBinContent(j);
Double_t err = h->GetBinError(j);
h->SetBinContent(j, cont/theWidth);
h->SetBinError (j, err/theWidth);
}
// cout << endl;
}
void scaleInt( TH1 *a=0, Double_t normFac=1., Double_t minX=-999.21231, Double_t maxX=-999.21231)
{
Float_t fac=0;
Int_t lowBin=1;
Int_t highBin=a->GetNbinsX();
if ( minX != -999.21231)
lowBin = a->FindBin(minX);
if ( maxX != -999.21231)
highBin=a->FindBin(maxX);
fac = a->Integral( lowBin, highBin);
if ( fac>0) a->Scale(normFac/fac);
}
Double_t goodIntegral( TH1 *a=0, Int_t lower=-123, Int_t upper=-123)
{
Int_t nBins = a->GetNbinsX();
if ( (lower==-123) || (upper==-123)) {
lower = 1;
upper = nBins;
}
Double_t tempInt=0;
for ( Int_t j=lower; j<=upper; j++) {
tempInt = tempInt + a->GetBinContent(j) * a->GetBinWidth(j);
}
return tempInt;
}
Double_t goodIntegralError( TH1 *a=0, Int_t lower=-123, Int_t upper=-123)
{
Int_t nBins = a->GetNbinsX();
if ( (lower==-123) || (upper==-123)) {
lower = 1;
upper = nBins;
}
Double_t tempInt=0;
for ( Int_t j=lower; j<=upper; j++) {
tempInt = tempInt + a->GetBinError(j) * a->GetBinError(j) * a->GetBinWidth(j) * a->GetBinWidth(j);
}
return TMath::Sqrt(tempInt);
}
void handsomeTH1Sumw2( TH1 *a=0, Int_t col =1, Float_t size=1, Int_t markerstyle=20)
{
handsomeTH1(a,col,size,markerstyle);
a->Sumw2();
}
void handsomeTH1N( TH1 *a=0, Int_t col =1)
{
handsomeTH1(a,col);
a->Scale(1./a->GetEntries());
}
void handsomeTH1OnlyColor( TH1 *a=0, Int_t col =1)
{
a->SetMarkerColor(col);
a->SetLineColor(col);
a->GetYaxis()->SetTitleOffset(1.25);
}
void easyLeg( TLegend *a=0 , TString head="")
{
a->SetBorderSize(0);
a->SetHeader(head);
a->SetTextFont(62);
// a->SetTextSize(17);
a->SetLineColor(1);
a->SetLineStyle(1);
a->SetLineWidth(1);
a->SetFillColor(0);
a->SetFillStyle(0);
}
Double_t cleverRange(TH1* h,Float_t fac=1.2, Float_t minY=1.e-3)
{
Float_t maxY = fac * h->GetBinContent(h->GetMaximumBin());
// cout <<" range will be set as " << minY << " ~ " << maxY << endl;
h->SetAxisRange(minY,maxY,"Y");
return maxY;
}
Double_t getCleverRange(TH1* h)
{
Double_t maxY = -1000000;
for ( Int_t ibin = 1 ; ibin <= h->GetNbinsX() ; ibin++) {
if (maxY < h->GetBinContent(ibin) )
maxY = h->GetBinContent(ibin);
}
return maxY;
}
Double_t cleverRange(TH1* h,TH1* h2, Float_t fac=1.2, Float_t minY=1.e-3)
{
Float_t maxY1 = fac * h->GetBinContent(h->GetMaximumBin());
Float_t maxY2 = fac * h2->GetBinContent(h2->GetMaximumBin());
// cout <<" range will be set as " << minY << " ~ " << maxY << endl;
h->SetAxisRange(minY,max(maxY1,maxY2),"Y");
h2->SetAxisRange(minY,max(maxY1,maxY2),"Y");
return max(maxY1,maxY2);
}
void cleverRangeLog(TH1* h,Float_t fac=1.2, Float_t theOrder=1.e-4)
{
Float_t maxY = fac * h->GetBinContent(h->GetMaximumBin());
// cout <<" range will be set as " << minY << " ~ " << maxY << endl;
h->SetAxisRange(maxY * theOrder,maxY,"Y");
}
TF1* cleverGaus(TH1* h, char* title="h", Float_t c = 2.5, bool quietMode=true)
{
if ( h->GetEntries() == 0 )
{
TF1 *fit0 = new TF1(title,"gaus",-1,1);
fit0->SetParameters(0,0,0);
return fit0;
}
Int_t peakBin = h->GetMaximumBin();
Double_t peak = h->GetBinCenter(peakBin);
Double_t sigma = h->GetRMS();
TF1 *fit1 = new TF1(title,"gaus",peak-c*sigma,peak+c*sigma);
if (quietMode) h->Fit(fit1,"LL M O Q R");
else h->Fit(fit1,"LL M O Q R");
return fit1;
}
void drawCMS(Float_t px, Float_t py, Float_t nLumi) {
TLatex *cms = new TLatex(px,py,"CMS Preliminary");
cms->SetTextFont(63);
cms->SetTextSize(15);
cms->SetNDC();
cms->Draw();
TLatex *lumi = new TLatex(px+0.35,py,Form("#intL dt = %.1f #mub^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(13);
lumi->SetNDC();
lumi->Draw();
}
void drawCMSpp(Float_t px, Float_t py, Float_t nLumi) {
TLatex *cms = new TLatex(px,py,"CMS Preliminary");
cms->SetTextFont(63);
cms->SetTextSize(15);
cms->SetNDC();
cms->Draw();
TLatex *lumi = new TLatex(px+0.35,py,Form("#intL dt = %.1f #nb^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(13);
lumi->SetNDC();
lumi->Draw();
}
void drawCMS2(Float_t px, Float_t py, Float_t nLumi, Int_t textSize=15) {
TLatex *cms = new TLatex(px,py,"CMS Preliminary");
cms->SetTextFont(63);
cms->SetTextSize(textSize);
cms->SetNDC();
cms->Draw();
TLatex *lumi = new TLatex(px,py-0.08,Form("#intL dt = %.1f #mub^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(textSize-2);
lumi->SetNDC();
lumi->Draw();
}
void drawCMS2011(Float_t px, Float_t py, Float_t nLumi=3.8, Int_t textSize=15) {
TLatex *cms = new TLatex(px,py,"CMS Preliminary");
cms->SetTextFont(63);
cms->SetTextSize(textSize);
cms->SetNDC();
cms->Draw();
TLatex *lumi = new TLatex(px,py-0.08,Form("L_{Int} dt = %.0f #mub^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(textSize-2);
lumi->SetNDC();
lumi->Draw();
}
void drawCMS3(Float_t px, Float_t py, Float_t nLumi, Int_t textSize=15) {
TLatex *cms = new TLatex(px,py,"CMS");
cms->SetTextFont(63);
cms->SetTextSize(textSize);
cms->SetNDC();
cms->Draw();
TLatex *lumi = new TLatex(px,py-0.08,Form("PbPb #sqrt{s_{NN}}=2.76TeV #intL dt = %.0f #mub^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(textSize-2);
lumi->SetNDC();
lumi->Draw();
}
void drawCMS4(Float_t px, Float_t py, Float_t nLumi, Int_t textSize=15) {
TLatex *cms = new TLatex(px,py,"CMS Preliminary");
cms->SetTextFont(63);
cms->SetTextSize(textSize);
cms->SetNDC();
cms->Draw();
TLatex *pbpb = new TLatex(px,py-0.08,"PbPb #sqrt{s_{NN}}=2.76TeV");
pbpb->SetTextFont(63);
pbpb->SetTextSize(textSize-2);
pbpb->SetNDC();
pbpb->Draw();
TLatex *lumi = new TLatex(px,py-0.16,Form("#intL dt = %.1f #mub^{-1}",nLumi));
lumi->SetTextFont(63);
lumi->SetTextSize(textSize-2);
lumi->SetNDC();
lumi->Draw();
}
void getNiceBins( TH1* h=0, Int_t nDiv=4) {
Int_t nBins = h->GetNbinsX();
Double_t allInt = h->Integral(1,nBins);
cout<< " All integral = " << allInt<< endl;
TH1F* hacc = (TH1F*)h->Clone(Form("%s_accu",h->GetName()));
hacc->Reset();
Double_t acc =0;
Int_t j=0;
for ( Int_t i=1 ; i<= nBins ; i++ ) {
acc = acc + h->GetBinContent(i);
hacc->SetBinContent( i , acc ) ;
if ( ( hacc->GetBinContent(i) > j*allInt/nDiv ) && ( hacc->GetBinContent(i-1) <= j*allInt/nDiv)) {
j++;
cout << j << "th bin = " << i << " value = " << h->GetBinCenter(i) << endl;
}
}
cout << " acc = " << acc << endl;
TCanvas* c1 = new TCanvas(Form("%s_c1Acc",h->GetName()),"",400,400);
c1->Draw();
handsomeTH1(hacc,1);
handsomeTH1(h,2);
hacc->DrawCopy();
h->DrawCopy("same");
}
void stripErr(TH1* theHist=0) {
for ( Int_t ibin = 1 ; ibin <= theHist->GetNbinsX() ; ibin++)
theHist->SetBinError(ibin,0);
}
Double_t getPolyArea(TH1* h1, TH1* h2, Double_t minX, Double_t maxX) {
if ( (h1->GetNbinsX() != h2->GetNbinsX()) || ( h1->FindBin(minX) != h2->FindBin(minX)) || (h1->FindBin(maxX) != h2->FindBin(maxX)) )
{
cout <<" binnings are not matched!!! " << endl;
return -1;
}
Int_t minBin = h1->FindBin(minX);
Int_t maxBin = h1->FindBin(maxX);
cout << " getPolyArea : from " << h1->GetBinLowEdge(minBin) << " to " << h1->GetBinLowEdge(maxBin+1) << endl;
Double_t area = 0;
for ( Int_t ibin = minBin ; ibin <= maxBin ; ibin++) {
area = area + ( h2->GetBinContent(ibin) - h1->GetBinContent(ibin) ) * h1->GetBinWidth(ibin) ;
}
return area;
}
Double_t getPolyAreaErr(TH1* h1, TH1* h2, Double_t minX, Double_t maxX) {
if ( (h1->GetNbinsX() != h2->GetNbinsX()) || ( h1->FindBin(minX) != h2->FindBin(minX)) || (h1->FindBin(maxX) != h2->FindBin(maxX)) )
{
cout <<" binnings are not matched!!! " << endl;
return -1;
}
Int_t minBin = h1->FindBin(minX);
Int_t maxBin = h1->FindBin(maxX);
Double_t err2 = 0;
for ( Int_t ibin = minBin ; ibin <= maxBin ; ibin++) {
Double_t addErr2 = (h2->GetBinError(ibin)*h2->GetBinError(ibin) + h1->GetBinError(ibin)*h1->GetBinError(ibin)) * (h1->GetBinWidth(ibin)*h1->GetBinWidth(ibin)) ;
err2 = err2 + addErr2;
}
return TMath::Sqrt(err2);
}
TH1D* getShiftedTH1D(TH1D* h1, Double_t shift) {
Double_t newBinning[200];
for ( Int_t ibin = 0 ; ibin <= h1->GetNbinsX() ; ibin++) {
newBinning[ibin] = h1->GetBinLowEdge(ibin+1) + shift ;
}
TH1D* res = new TH1D(Form("%s_shiftedby%f",h1->GetName(),(Float_t)shift), "", h1->GetNbinsX(), newBinning);
for ( Int_t ibin = 0 ; ibin <= h1->GetNbinsX() ; ibin++) {
res->SetBinContent( ibin, h1->GetBinContent(ibin));
res->SetBinError(ibin, h1->GetBinError(ibin));
}
return res;
}
Int_t getNcollFrom40Bin(Int_t cBin) {
if (cBin == 0) return 1747.86 ;
if (cBin == 1) return 1567.53 ;
if (cBin == 2) return 1388.39 ;
if (cBin == 3) return 1231.77 ;
if (cBin == 4) return 1098.2 ;
if (cBin == 5) return 980.439 ;
if (cBin == 6) return 861.609 ;
if (cBin == 7) return 766.042 ;
if (cBin == 8) return 676.515 ;
if (cBin == 9) return 593.473 ;
if (cBin == 10) return 521.912 ;
if (cBin == 11) return 456.542 ;
if (cBin == 12) return 398.546 ;
if (cBin == 13) return 346.647 ;
if (cBin == 14) return 299.305 ;
if (cBin == 15) return 258.344 ;
if (cBin == 16) return 221.216 ;
if (cBin == 17) return 188.677 ;
if (cBin == 18) return 158.986 ;
if (cBin == 19) return 134.7 ;
if (cBin == 20) return 112.547 ;
if (cBin == 21) return 93.4537 ;
if (cBin == 22) return 77.9314 ;
if (cBin == 23) return 63.5031 ;
if (cBin == 24) return 52.0469 ;
if (cBin == 25) return 42.3542 ;
if (cBin == 26) return 33.9204 ;
if (cBin == 27) return 27.3163 ;
if (cBin == 28) return 21.8028 ;
if (cBin == 29) return 17.2037 ;
if (cBin == 30) return 13.5881 ;
if (cBin == 31) return 10.6538 ;
if (cBin == 32) return 8.35553 ;
if (cBin == 33) return 6.40891 ;
if (cBin == 34) return 5.13343 ;
if (cBin == 35) return 3.73215 ;
if (cBin == 36) return 3.06627 ;
if (cBin == 37) return 2.41926 ;
if (cBin == 38) return 2.11898 ;
if (cBin == 39) return 1.76953 ;
return -100000;
}
Float_t getNpart(Int_t ibin) {
if (ibin ==0) return 393.633;
if (ibin ==1) return 368.819;
if (ibin ==2) return 343.073;
if (ibin ==3) return 317.625;
if (ibin ==4) return 292.932;
if (ibin ==5) return 271.917;
if (ibin ==6) return 249.851;
if (ibin ==7) return 230.72;
if (ibin ==8) return 212.465;
if (ibin ==9) return 194.752;
if (ibin ==10) return 178.571;
if (ibin ==11) return 163.23;
if (ibin ==12) return 149.187;
if (ibin ==13) return 136.011;
if (ibin ==14) return 123.414;
if (ibin ==15) return 111.7;
if (ibin ==16) return 100.831;
if (ibin ==17) return 90.7831;
if (ibin ==18) return 80.9823;
if (ibin ==19) return 72.6236;
if (ibin ==20) return 64.1508;
if (ibin ==21) return 56.6284;
if (ibin ==22) return 49.9984;
if (ibin ==23) return 43.3034;
if (ibin ==24) return 37.8437;
if (ibin ==25) return 32.6659;
if (ibin ==26) return 27.83;
if (ibin ==27) return 23.7892;
if (ibin ==28) return 20.1745;
if (ibin ==29) return 16.8453;
if (ibin ==30) return 14.0322;
if (ibin ==31) return 11.602;
if (ibin ==32) return 9.52528;
if (ibin ==33) return 7.6984;
if (ibin ==34) return 6.446;
if (ibin ==35) return 4.96683;
if (ibin ==36) return 4.23649;
if (ibin ==37) return 3.50147;
if (ibin ==38) return 3.16107;
if (ibin ==39) return 2.7877;
return -100000;
}
#endif