本文整理汇总了C++中TH1I::Draw方法的典型用法代码示例。如果您正苦于以下问题:C++ TH1I::Draw方法的具体用法?C++ TH1I::Draw怎么用?C++ TH1I::Draw使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TH1I
的用法示例。
在下文中一共展示了TH1I::Draw方法的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: errors
bctest()
{
// fgLegoPlotHGPtr = new AliHLTPHOSOnlineDisplayTH2D(fOnlineDisplayPtr, "Cosmics, High gain", "PHOS HLT: Cosmics",
// N_XCOLUMNS_MOD*N_MODULES , 0, N_XCOLUMNS_MOD*N_MODULES,
// N_ZROWS_MOD, 0, N_ZROWS_MOD);
TH1I *plot = new TH1I("stats", "number of errors (y) vs number of transactions (x) ",20000, 0, 20001);
cout << "HELLO WORLD" << endl;
FILE *fp = fopen("testresults_altro_gtl.txt", "r");
int index = 0;
int set = 0;
int read = 0;
int good = 0;
int bad = 0;
if(fp !=0)
{
cout << "file found" << endl;
for(int i=0; i< 20000; i++)
{
fscanf(fp,"Loop: %d\tValue set is: 0x%xValues read is: 0x%x, mGood = %d, nBad = %d\n", &index, &set, &read, &good ,&bad);
printf("\n index = %d, val = %d", index, bad);
plot->SetBinContent(index, bad);
}
plot->Draw();
}
else
{
cout << "Could not open file" << endl;
}
}
示例2: TCanvas
void A1::PlotChannel( unsigned aModule, unsigned aChannel ){
if (fChain == 0) return;
if( c1 ) delete c1;
c1 = new TCanvas( 3 );
stringstream stmp;
stmp << "Module " << aModule + 1 << ", Channel #" << aChannel << ";Time [0.1 ns]; Counts";
TH1I * hChannel = new TH1I( "hChannel", stmp.str().c_str(), 100000, 10000, 100000 );
Long64_t nentries = fChain->GetEntriesFast();
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry);
nbytes += nb;
// if (Cut(ientry) < 0) continue;
vector<unsigned int> * HITS_PER_CHANNEL = HitsPerChannel[ aModule ];
vector<unsigned int> * CH = _Data[ aModule ][ aChannel ];//Module2_LE_CH32;
//std::cout << "HITS_PER_CHANNEL 32: " << HITS_PER_CHANNEL->at( 32 ) << std::endl;
if( HITS_PER_CHANNEL->at( aChannel ) > 0 ){
long trig = CH->at( 0 );
hChannel->Fill( trig );
}
}
hChannel->Draw();
}
示例3: strcpy
plotClasses(const char* canvas, const char* title,
int nClasses, const char classes[][200],
const int* events, const double* weights)
{
char evtitle[200], wttitle[200];
strcpy(evtitle,title);
strcpy(wttitle,title);
strcat(evtitle,": Events");
strcat(wttitle,": Weights");
TCanvas *c
= new TCanvas(canvas,"SPR Input Classes",200,10,600,400);
gStyle->SetPalette(1);
int maxEv = TMath::MaxElement(nClasses,events);
double maxWt = TMath::MaxElement(nClasses,weights);
TPad* pad1 = new TPad("events", evtitle,0,0,1.,0.5);
TPad* pad2 = new TPad("weights",wttitle,0,0.5,1.,1.);
pad1->Draw();
pad2->Draw();
// events
pad1->cd();
TH1I* hev = new TH1I("events",evtitle,nClasses,0,nClasses);
for( int i=0;i<nClasses;i++ )
hev->Fill(classes[i],events[i]);
hev->LabelsDeflate("X");
hev->SetLabelSize(0.06,"X");
hev->SetLabelSize(0.1,"X");
hev->SetLabelSize(0.1,"Y");
hev->SetLineColor(4);
hev->SetFillColor(4);
hev->SetBarWidth(0.8);
hev->SetBarOffset(0.1);
TAxis* yaxis1 = hev->GetYaxis();
yaxis1->SetRangeUser(0.,1.1*maxEv);
hev->Draw("B");
// weights
pad2->cd();
TH1D* hwt = new TH1D("weights",wttitle,nClasses,0,nClasses);
for( int i=0;i<nClasses;i++ )
hwt->Fill(classes[i],weights[i]);
hwt->LabelsDeflate("X");
hwt->SetLabelSize(0.06,"X");
hwt->SetLabelSize(0.1,"X");
hwt->SetLabelSize(0.1,"Y");
hwt->SetLineColor(3);
hwt->SetFillColor(3);
hwt->SetBarWidth(0.8);
hwt->SetBarOffset(0.1);
TAxis* yaxis2 = hwt->GetYaxis();
yaxis2->SetRangeUser(0.,1.1*maxWt);
hwt->Draw("B");
}
示例4: TCanvas
void A1_Mod::PlotCoinc( unsigned aChannelFirst, unsigned aChannelSecond ){
if (fChain == 0) return;
if( c1 ) delete c1;
c1 = new TCanvas( 3 );
stringstream stmp;
unsigned aModule = 0;
unsigned ChannelCoinc = 30;
stmp << "Coincidence - Channels " << aChannelFirst << " : " << aChannelSecond << ";Time [0.1 ns]; Counts";
TH1I * hChannel = new TH1I( "hChannel", stmp.str().c_str(), 10000, 0, 10000 );
Long64_t nentries = fChain->GetEntriesFast();
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry = 0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry);
nbytes += nb;
// if (Cut(ientry) < 0) continue;
vector<unsigned int> * HITS_PER_CHANNEL = HitsPerChannel[ aModule ];
vector<unsigned int> * COINC = _Data[ aModule ][ ChannelCoinc ];
vector<unsigned int> * TRIG = _Data[ aModule ][ 31 ];
//std::cout << "HITS_PER_CHANNEL 32: " << HITS_PER_CHANNEL->at( 32 ) << std::endl;
if( (HITS_PER_CHANNEL->at( aChannelFirst ) > 0 ) && (HITS_PER_CHANNEL->at( aChannelSecond ) > 0 ) && (HITS_PER_CHANNEL->at( ChannelCoinc ) > 0 ) ){
long ch = COINC->at( 0 );
long trig = TRIG->at( 0 );
std::cout << "Trig - = " << trig - ch << std::endl;
hChannel->Fill( trig - ch );
}
}
hChannel->Draw();
}
示例5: RFMacro_BeamBunchPeriod
int RFMacro_BeamBunchPeriod(void)
{
gDirectory->cd("/"); //return to file base directory
//Goto Beam Path
TDirectory *locDirectory = (TDirectory*)gDirectory->FindObjectAny("RF");
if(!locDirectory)
return 0;
locDirectory->cd();
//Get RF Bunch Period Histograms
gDirectory->cd("RF_BeamBunchPeriod");
TH1I* locHist_RFBeamBunchPeriod = (TH1I*)gDirectory->Get("RFBeamBunchPeriod");
//Get/Make Canvas
TCanvas *locCanvas = NULL;
if(TVirtualPad::Pad() == NULL)
locCanvas = new TCanvas("RF_BeamBunchPeriod", "RF_BeamBunchPeriod", 1200, 800); //for testing
else
locCanvas = gPad->GetCanvas();
//Draw
gPad->SetTicks();
gPad->SetGrid();
if(locHist_RFBeamBunchPeriod != NULL)
{
TH1I* locHist = locHist_RFBeamBunchPeriod;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
return 1;
}
示例6: RFMacro_TDCConversion
int RFMacro_TDCConversion(void)
{
gDirectory->cd("/"); //return to file base directory
//Goto Beam Path
TDirectory *locDirectory = (TDirectory*)gDirectory->FindObjectAny("RF");
if(!locDirectory)
return 0;
locDirectory->cd();
//Get RF DeltaT Histograms
gDirectory->cd("DeltaT_RF_FirstTime");
TH1I* locHist_FDCRF_FirstTimeDeltaT = (TH1I*)gDirectory->Get("FDCRF_FirstTimeDeltaT");
TH1I* locHist_TOFRF_FirstTimeDeltaT = (TH1I*)gDirectory->Get("TOFRF_FirstTimeDeltaT");
TH1I* locHist_TAGHRF_FirstTimeDeltaT = (TH1I*)gDirectory->Get("TAGHRF_FirstTimeDeltaT");
TH1I* locHist_PSCRF_FirstTimeDeltaT = (TH1I*)gDirectory->Get("PSCRF_FirstTimeDeltaT");
//Get/Make Canvas
TCanvas *locCanvas = NULL;
if(TVirtualPad::Pad() == NULL)
locCanvas = new TCanvas("RF_TDCConversion", "RF_TDCConversion", 1200, 800); //for testing
else
locCanvas = gPad->GetCanvas();
locCanvas->Divide(2, 2);
//Draw
locCanvas->cd(1);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TOFRF_FirstTimeDeltaT != NULL)
{
TH1I* locHist = locHist_TOFRF_FirstTimeDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(2);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TAGHRF_FirstTimeDeltaT != NULL)
{
TH1I* locHist = locHist_TAGHRF_FirstTimeDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(3);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_PSCRF_FirstTimeDeltaT != NULL)
{
TH1I* locHist = locHist_PSCRF_FirstTimeDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(4);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_FDCRF_FirstTimeDeltaT != NULL)
{
TH1I* locHist = locHist_FDCRF_FirstTimeDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
return 1;
}
示例7: main
int main()
{
float const conS =.3/2.35;
ofstream fout("cal/backN.cal");
ofstream fwhm("cal/fwhmback.dat");
TFile f("sort.root");
TCanvas* canvas[14];
int Ntele = 14;
int Nstrip = 32;
ostringstream outstring;
TH2I frame("frame","",10,4.5,9.5,10,0,130);
frame.SetStats(kFALSE);
double xx[14*32];
double yy[14*32];
TF1 *func = new TF1("fit",ThPeaks,3,9,4);
double para[5];
ifstream file("cal/back.cal");
float intercept, slope;
int i1,i2;
string name;
TH1F con("con","",500,0,10);
for (int itele=0;itele<Ntele;itele++)
{
outstring.str("");
outstring << "B"<<itele;
name = outstring.str();
canvas[itele] = new TCanvas(name.c_str());
canvas[itele]->Divide(6,6);
for (int istrip =0;istrip<Nstrip;istrip++)
{
canvas[itele]->cd(istrip+1);
file >> i1 >> i2 >> slope >> intercept;
outstring.str("");
outstring << "back/cal/EBC"<<itele<<"_"<<istrip;
string name = outstring.str();
cout << name << endl;
TH1I * hist = (TH1I*) f.Get(name.c_str());
frame.Draw();
hist->SetStats(kFALSE);
hist->GetXaxis()->SetRangeUser(4.5,9.5);
con.GetXaxis()->SetRangeUser(4.5,9.5);
for (int i=1;i<=500;i++)
for (int j=1;j<500;j++)
{
float deltax = hist->GetBinCenter(i)-con.GetBinCenter(j);
if (fabs(deltax) > 10.*conS)continue;
float fact = gauss(deltax,0.,conS);
float y = fact*hist->GetBinContent(i)*hist->GetBinWidth(i);
con.SetBinContent(j,y+con.GetBinContent(j));
}
for (int i=1;i<=500;i++)
{
hist->SetBinContent(i,con.GetBinContent(i));
con.SetBinContent(i,0.);
}
hist->Draw("same");
func->SetParameter(0,0);
func->SetParameter(1,1.);
func->FixParameter(2,conS);
//func->SetParameter(2,0.1);
func->SetParameter(3,8.);
func->SetLineColor(2);
//func->Draw("same");
hist->Fit(func);
func->GetParameters(para);
cout << "chisq=" << func->GetChisquare() << endl;
if (fabs(para[1]-1.) < .2)
{
slope *= para[1];
intercept = intercept*para[1] + para[0];
}
fout << itele << " " << istrip << " "
<< slope << " " << intercept << endl;
fwhm << itele << " " << istrip << " "
<< para[2]*2.35 << endl;
int ii = itele*32+istrip;
xx[ii] = (float)ii;
yy[ii] = para[2]*2.35;
cout << para[0] << " " << para[1] << " " << para[2] << endl;
//.........这里部分代码省略.........
示例8: RFMacro_SelfResolution
int RFMacro_SelfResolution(void)
{
gStyle->SetOptStat(1111);
gDirectory->cd("/"); //return to file base directory
//Goto Beam Path
TDirectory *locDirectory = (TDirectory*)gDirectory->FindObjectAny("RF");
if(!locDirectory)
return 0;
locDirectory->cd();
//Get RF DeltaT Histograms
gDirectory->cd("DeltaT_RF_Itself");
TH1I* locHist_FDCRF_SelfDeltaT = (TH1I*)gDirectory->Get("FDCRF_SelfDeltaT");
TH1I* locHist_TOFRF_SelfDeltaT = (TH1I*)gDirectory->Get("TOFRF_SelfDeltaT");
TH1I* locHist_TAGHRF_SelfDeltaT = (TH1I*)gDirectory->Get("TAGHRF_SelfDeltaT");
TH1I* locHist_PSCRF_SelfDeltaT = (TH1I*)gDirectory->Get("PSCRF_SelfDeltaT");
//Time resolutions
double locTimeResolutionSq_TOF = locHist_TOFRF_SelfDeltaT->GetStdDev() / sqrt(2.0);
locTimeResolutionSq_TOF *= locTimeResolutionSq_TOF;
double locTimeResolutionSq_FDC = locHist_FDCRF_SelfDeltaT->GetStdDev() / sqrt(2.0);
locTimeResolutionSq_FDC *= locTimeResolutionSq_FDC;
double locTimeResolutionSq_PSC = locHist_PSCRF_SelfDeltaT->GetStdDev() / sqrt(2.0);
locTimeResolutionSq_PSC *= locTimeResolutionSq_PSC;
double locTimeResolutionSq_TAGH = locHist_TAGHRF_SelfDeltaT->GetStdDev() / sqrt(2.0);
locTimeResolutionSq_TAGH *= locTimeResolutionSq_TAGH;
//Print Coarse offsets to screen:
cout << "Time-resolution-squared for TOF/TAGH/PSC/FDC are: " << locTimeResolutionSq_TOF << ", " << locTimeResolutionSq_TAGH << ", " << locTimeResolutionSq_PSC << ", " << locTimeResolutionSq_FDC << endl;
//Print Coarse offsets to file:
ofstream locOutputFileStream;
locOutputFileStream.open("rf_time_resolution_sq.txt");
locOutputFileStream << std::setprecision(6) << locTimeResolutionSq_TOF << " " << locTimeResolutionSq_TAGH << " " << locTimeResolutionSq_PSC << " " << locTimeResolutionSq_FDC << endl;
locOutputFileStream.close();
//Get/Make Canvas
TCanvas *locCanvas = NULL;
if(TVirtualPad::Pad() == NULL)
locCanvas = new TCanvas("RF_SelfResolution", "RF_SelfResolution", 1200, 800); //for testing
else
locCanvas = gPad->GetCanvas();
locCanvas->Divide(2, 2);
//Draw
locCanvas->cd(1);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TOFRF_SelfDeltaT != NULL)
{
TH1I* locHist = locHist_TOFRF_SelfDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(2);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TAGHRF_SelfDeltaT != NULL)
{
TH1I* locHist = locHist_TAGHRF_SelfDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(3);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_PSCRF_SelfDeltaT != NULL)
{
TH1I* locHist = locHist_PSCRF_SelfDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(4);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_FDCRF_SelfDeltaT != NULL)
{
TH1I* locHist = locHist_FDCRF_SelfDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
}
示例9: main
int main(void)
{
gStyle->SetOptStat(1111);
TDirectory *locTopDirectory = gDirectory;
//Goto Beam Path
TDirectory *locDirectory = (TDirectory*)gDirectory->FindObjectAny("RF");
if(!locDirectory)
return 0;
locDirectory->cd();
//Get RF DeltaT Histograms
gDirectory->cd("DeltaT_RF_TAGH");
TH1I* locHist_FDCRF_TaggerDeltaT = (TH1I*)gDirectory->Get("FDCRF_TaggerDeltaT");
TH1I* locHist_TOFRF_TaggerDeltaT = (TH1I*)gDirectory->Get("TOFRF_TaggerDeltaT");
TH1I* locHist_TAGHRF_TaggerDeltaT = (TH1I*)gDirectory->Get("TAGHRF_TaggerDeltaT");
TH1I* locHist_PSCRF_TaggerDeltaT = (TH1I*)gDirectory->Get("PSCRF_TaggerDeltaT");
//Get/Make Canvas
TCanvas *locCanvas = NULL;
if(TVirtualPad::Pad() == NULL)
locCanvas = new TCanvas("RF_TaggerDeltaT", "RF_TaggerDeltaT", 1200, 800); //for testing
else
locCanvas = gPad->GetCanvas();
locCanvas->Divide(2, 2);
//Draw
locCanvas->cd(1);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TOFRF_TaggerDeltaT != NULL)
{
TH1I* locHist = locHist_TOFRF_TaggerDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(2);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_TAGHRF_TaggerDeltaT != NULL)
{
TH1I* locHist = locHist_TAGHRF_TaggerDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(3);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_PSCRF_TaggerDeltaT != NULL)
{
TH1I* locHist = locHist_PSCRF_TaggerDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
locCanvas->cd(4);
gPad->SetTicks();
gPad->SetGrid();
if(locHist_FDCRF_TaggerDeltaT != NULL)
{
TH1I* locHist = locHist_FDCRF_TaggerDeltaT;
locHist->GetXaxis()->SetTitleSize(0.05);
locHist->GetYaxis()->SetTitleSize(0.05);
locHist->GetXaxis()->SetLabelSize(0.05);
locHist->GetYaxis()->SetLabelSize(0.05);
locHist->Draw();
}
}
示例10: CsIProj
void CsIProj()
{
TFile *file = new TFile("../root/NZ_55_New.root");
TFile *gates = new TFile("../gates/zlines.root");
TFile *gates2 = new TFile("../gates/zlines_new.root");
ofstream ofile("CsI_55A_New.dat");
TCanvas *mycan = (TCanvas*)gROOT->FindObjectAny("mycan");
if(!mycan)
{
mycan = new TCanvas("mycan","mycan");
mycan->Divide(1,2);
}
ostringstream outstring;
string name;
int p1= 30, p2=50; //+- fit limits up to 2 peaks. May be different.
int const num_par = 5; //number of peaks times 2(pol1)+3(gaus).
for(int ic =0;ic<56;ic++)
{
outstring.str("");
outstring << "dEE/dEE_" << ic;
name = outstring.str();
mycan->cd(1);
TH2I *hist = (TH2I*)file->Get(name.c_str());
hist->Draw("col");
hist->GetXaxis()->SetRangeUser(200.,1800.);
hist->GetYaxis()->SetRangeUser(5.,50.);
if(ic <16 || ic > 31)
TCutG *mycut = (TCutG*)gates->Get(Form("Zline_%i_2_4",ic));
else
TCutG *mycut = (TCutG*)gates2->Get(Form("Zline_%i_2_4",ic));
mycut->Draw();
file->cd();
outstring.str("");
outstring << "CsI/CsIGate/ECsI_" << ic << "_Gate";
name = outstring.str();
gPad->SetLogz();
mycan->cd(2);
TH1I * proj = (TH1I*)file->Get(name.c_str());
proj->Draw();
proj->Rebin(4);
proj->GetXaxis()->SetRangeUser(700.,1800.);
mycan->Modified();
mycan->Update();
TMarker * mark;
mark=(TMarker*)mycan->WaitPrimitive("TMarker"); //Get the Background limits
int bkg_lo = mark->GetX();
delete mark;
mark=(TMarker*)mycan->WaitPrimitive("TMarker");
int bkg_hi = mark->GetX();
delete mark;
mark=(TMarker*)mycan->WaitPrimitive("TMarker"); // Get the 1st peak initial guess
int peak1 = mark->GetX();
delete mark;
double par[num_par] = {0.};
double out[num_par] = {0.};
int peak1_lo = peak1 - p1, peak1_hi = peak1 + p1; // Peak center and limits
TF1 *l1 = new TF1("l1", "pol1", bkg_lo, bkg_hi);
TF1 *g1 = new TF1("g1", "gaus", peak1_lo,peak1_hi);
TF1 *total = new TF1("total", "pol1(0)+gaus(2)", bkg_lo,bkg_hi);
proj->Fit(l1,"R");
proj->Fit(g1,"R+");
l1->GetParameters(&par[0]);
g1->GetParameters(&par[2]);
total->SetParameters(par);
proj->Fit(total,"R");
total->GetParameters(out);
ofile << ic << " " << out[3] << endl;
outstring.str("");
outstring << "55A_" << ic;
name = outstring.str();
total->SetName(name.c_str());
total->Draw("same");
mycan->Modified();
mycan->Update();
bool IsGood = 0;
//.........这里部分代码省略.........
示例11: fitParamSet
void fitParamSet( string plc = "Pi", string charge = "n", int iPar = 0 ){
gStyle->SetOptStat( 0 );
gStyle->SetOptFit( 111 );
XmlConfig cfg( "TpcEff.xml" );
Logger::setGlobalLogLevel( "info" );
vector<int> centralityBins = { 0, 1, 2, 3, 4, 5, 6 };
vector<double> centrality = { 266.9, 218.8, 167.2, 114.3, 75.06, 36.99, 11.8 };
vector<XmlFunction> fns;
vector<double> x, y, ey;
for ( int i : centralityBins ){
INFO( "", fmt::format("{0}_{1}.TpcEffParams[{2}]", plc, charge, i) );
XmlFunction fn( &cfg, fmt::format("{0}_{1}.TpcEffParams[{2}]", plc, charge, i) );
fns.push_back( fn );
}
// Parameter A
y.clear();
x.clear();
for ( int i : centralityBins ){
y.push_back( fns[i].getTF1()->GetParameter( iPar ) );
ey.push_back( fns[i].getTF1()->GetParError( iPar ) );
x.push_back( centrality[ i ] );
}
TH1I* frame = new TH1I( "frame", (plc_label( plc, charge ) + " efficiency fit parameter " + ts( iPar ) ).c_str(), 100, 0, 300 );
TGraphErrors * gA = new TGraphErrors( x.size(), x.data(), y.data(), 0, ey.data() );
TF1 * fpol = new TF1( "fpol1", "pol1" );
gA->Fit( fpol, "SE" );
TFitResultPtr fitResult = gA->Fit( fpol, "SE" );
double x1 = 0;
double x2 = 300;
TGraphErrors * band = FitConfidence::choleskyBands( fitResult, fpol, 500, 100, nullptr, x1, x2 );
frame->Draw();
vector<double> rangeMod = { 0.05, 0.05, 2 };
frame->GetYaxis()->SetRangeUser( *std::min_element(y.begin(),y.end()) - rangeMod[ iPar ], *std::max_element(y.begin(),y.end()) + rangeMod[ iPar ] );
gA->Draw( "same pe" );
band->SetFillColorAlpha( kRed, 0.7 );
band->Draw( "same e3" );
gA->SetMarkerStyle( 8 );
gA->SetMarkerSize( 2 );
// gA->GetXaxis()->SetRangeUser( 0, 10 );
// XmlFunction fn( &cfg, "Pi_n.TpcEffParams[0]" );
// INFO( "", fn.getTF1()->GetParameter( 0 ) );
// translate name to even format
map<string, string> chargeMap = { { "p" , "c1" }, { "n" , "c0" } } ;
map<string, string> plcMap = { { "Pi" , "p0" }, { "K" , "p1" }, { "P" , "p2" } };
map<int, string> parMap = { { 0 , "a" }, { 1 , "b" }, { 2 , "c" } };
gPad->Print( fmt::format( "efficiency_{0}_{1}_{2}.png", chargeMap[ charge ], plcMap[ plc ], parMap[ iPar ] ).c_str() );
}
示例12: Loop
void Zlumi::Loop()
{
// In a ROOT session, you can do:
// Root > .L Zlumi.C
// Root > Zlumi t
// Root > t.GetEntry(12); // Fill t data members with entry number 12
// Root > t.Show(); // Show values of entry 12
// Root > t.Show(16); // Read and show values of entry 16
// Root > t.Loop(); // Loop on all entries
//
// This is the loop skeleton where:
// jentry is the global entry number in the chain
// ientry is the entry number in the current Tree
// Note that the argument to GetEntry must be:
// jentry for TChain::GetEntry
// ientry for TTree::GetEntry and TBranch::GetEntry
//
// To read only selected branches, Insert statements like:
// METHOD1:
// fChain->SetBranchStatus("*",0); // disable all branches
// fChain->SetBranchStatus("branchname",1); // activate branchname
// METHOD2: replace line
// fChain->GetEntry(jentry); //read all branches
//by b_branchname->GetEntry(ientry); //read only this branch
gROOT->ForceStyle();
tdrStyle();
if (fChain == 0) return;
int minRun=0;
int maxRun=0;
int maxLS=0;
bool forminRun=true;
//TH2I * LumiSRun = new TH2I("LumiSRun", "LS vs Run", 3000, 0., 3000., 20000, 160000., 180000.);
//TH1I * test2 = new TH1I("test2","test2", 3000,0, 3000);
Long64_t nentries = fChain->GetEntriesFast();
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry); nbytes += nb;
if(forminRun && (Run!=0)){minRun=Run; forminRun=false;}
if((Run!=0) && (Run>maxRun)){maxRun=Run;}
if((LS!=0) && (LS>maxLS)){maxLS=LS;}
//printf("run %i ls %i \n",Run,LS);
}
cout << nentries << " nentries \n";
TH2I *LumiSRun = new TH2I("LumiSRun", "LS vs Run", maxLS, 0, maxLS, maxRun-minRun+2, minRun-1, maxRun+1);
TH1I *Runs = new TH1I("Runs","Run", maxRun-minRun+2, minRun-1, maxRun+1);
Runs->Sumw2();
nbytes = 0; nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry); nbytes += nb;
LumiSRun->Fill(LS,Run);
//printf("run %i ls %i \n",Run,LS);
Runs->Fill(Run);
//test2->Fill(LS);
}
printf("minRun %i maxRun %i \n",minRun,maxRun);
LumiSRun->Draw();
for (int h=0;h<Runs->GetNbinsX();h++){
Runs->SetBinError(h+1,sqrt(Runs->GetBinContent(h+1)) );
}
Runs->Draw();
//test->Draw();
//test2->Draw();
TH1F *FileRuns = new TH1F("FileRuns","Run from Lumicalc", maxRun-minRun+2, minRun-1, maxRun+1);
TH1D *XsecDistro = new TH1D("XsecDistro","X sec distribution", 60, 0., 0.6);
//-------------
const Int_t mpt = maxRun-minRun;
int fileRun[mpt];
double Lumi[mpt];
int npt = 0;
// read data file
ifstream file;
//file.open("./2011-run-lumi.txt");
file.open("./LumiAeB-dav.txt");
while (1) {
file >> fileRun[npt] >> Lumi[npt];
if ( ! file.good() ) break;
cout << "x = " << fileRun[npt] << " y = " << Lumi[npt] << endl;
FileRuns->SetBinContent((fileRun[npt]-minRun+2),0.2);
npt++;
//.........这里部分代码省略.........