本文整理汇总了C++中TGraphErrors::RemovePoint方法的典型用法代码示例。如果您正苦于以下问题：C++ TGraphErrors::RemovePoint方法的具体用法？C++ TGraphErrors::RemovePoint怎么用？C++ TGraphErrors::RemovePoint使用的例子？那么, 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TGraphErrors的用法示例。
在下文中一共展示了TGraphErrors::RemovePoint方法的6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: if
TGraphErrors *ReadMWGraph(const char *name, Int_t flag)
{
Double_t xreject = 0.49;
TGraphErrors *g = new TGraphErrors(name);
if (g->IsZombie()) return 0;
while (g->GetX()[0] < xreject)
g->RemovePoint(0);
TGraphErrors *g2 = new TGraphErrors(name);
if (g2->IsZombie()) return 0;
while (g2->GetX()[0] < xreject)
g2->RemovePoint(0);
g2->SetMarkerStyle(4);
g2->SetMarkerSize(1.00);
g2->SetMarkerColor(kBlack);
g2->SetLineColor(kBlack);
TGraphErrors *gsys = new TGraphErrors(name, "%lg %lg %lg %*lg %lg");
if (gsys->IsZombie()) return 0;
while (gsys->GetX()[0] < xreject)
gsys->RemovePoint(0);
for (Int_t i = 0; i < gsys->GetN(); i++)
gsys->SetPointError(i, gsys->GetErrorX(i)*0.75, gsys->GetErrorY(i));
gsys->SetFillColor(kGray+2);
gsys->SetLineColor(kGray+2);
gsys->SetFillStyle(3000);
if (flag == 1 || flag == 3) {
TGraphErrors *gt = new TGraphErrors(Form("%s_%s", name, "trues"));
if (gt->IsZombie()) return 0;
while (gt->GetX()[0] < xreject)
gt->RemovePoint(0);
gt->SetMarkerStyle(20);
gt->SetMarkerSize(0.75);
gt->SetMarkerColor(kGreen+1);
gt->SetLineColor(kGreen+1);
TGraphErrors *gbw = new TGraphErrors(Form("%s_%s", name, "gen"));
if (gbw->IsZombie()) return 0;
while (gbw->GetX()[0] < xreject)
gbw->RemovePoint(0);
gbw->SetMarkerStyle(20);
gbw->SetMarkerSize(0.75);
gbw->SetMarkerColor(kBlue+1);
gbw->SetLineColor(kBlue+1);
for (Int_t i = 0; i < g->GetN(); i++) {
g->SetPointError(i, g->GetEX()[i], 0.);
gt->SetPointError(i, gt->GetEX()[i], 0.);
gbw->SetPointError(i, gbw->GetEX()[i], 0.);
}
for (Int_t i = 0; i < g2->GetN(); i++) {
g2->SetPoint(i, g2->GetX()[i], g2->GetY()[i] - gt->GetY()[i] + gbw->GetY()[i]);
g2->SetPointError(i, g2->GetEX()[i], TMath::Sqrt(g2->GetEY()[i]*g2->GetEY()[i] + gt->GetEY()[i]*gt->GetEY()[i] +
gbw->GetEY()[i]*gbw->GetEY()[i]));
// g2->SetPoint(i, g2->GetX()[i], g2->GetY()[i] - gt->GetY()[i] + 1.01947);
// g2->SetPointError(i, g2->GetEX()[i], TMath::Sqrt(g2->GetEY()[i]*g2->GetEY()[i] + gt->GetEY()[i]*gt->GetEY()[i] +
// 7.78680e-06*7.78680e-06));
gsys->SetPoint(i, gsys->GetX()[i], g2->GetY()[i]);
}
}
g->SetTitle();
g->SetName(name);
g->GetXaxis()->SetTitle("p_{T}, GeV/c");
g->SetMarkerStyle(20);
g->SetMarkerSize(0.95);
g->SetMarkerColor(kRed+1);
g->SetLineColor(kRed+1);
const Double_t mass = 1.019455;
const Double_t mass_delta = 0.000020;
const Double_t width = 0.00426;
const Double_t width_delta = 0.00004;
if (flag == 1) { // mass
g->GetYaxis()->SetTitleOffset(1.50);
g->GetYaxis()->SetTitle("mass, GeV/c^{2}");
g->SetMaximum(mass+0.0015);
g->SetMinimum(mass-0.0015);
TBox *box = new TBox(g->GetXaxis()->GetXmin(), mass - mass_delta, g->GetXaxis()->GetXmax(), mass + mass_delta);
box->SetFillColor(kGray+1);
box->SetFillStyle(3001);
g->GetListOfFunctions()->Add(box);
g->GetListOfFunctions()->Add(g2, "CP");
g->GetListOfFunctions()->Add(gt, "CP");
g->GetListOfFunctions()->Add(gbw, "CP");
}
else if (flag == 3) { // mass simple
g2->SetTitle();
g2->SetName(Form("%s_only", name));
g2->GetXaxis()->SetTitle("p_{T}, GeV/c");
g2->SetMarkerStyle(20);
g2->SetMarkerSize(0.75);
g2->SetMarkerColor(kBlack);
g2->SetLineColor(kBlack);
g2->GetYaxis()->SetTitleOffset(1.50);
//.........这里部分代码省略.........
示例2: DrawKinvarPlot
void DrawKinvarPlot(TString filename="kinvarset/FMSOR_Pt_vs_run.root",
TString classname="pi0") {
TFile * infile = new TFile(filename.Data(),"READ");
char trig[32];
char typ[32];
char tmp[128];
TString tmpstr = filename;
tmpstr.ReplaceAll("_"," ");
TRegexp re("^.*\/");
tmpstr(re) = "";
cout << tmpstr << endl;
sscanf(tmpstr.Data(),"%s %s",trig,typ);
printf("%s %s\n",trig,typ);
TString hname = "h2_"+classname;
TH2D * h = (TH2D*)infile->Get(hname.Data());
TString gname = "g_"+classname;
TGraphErrors * g = (TGraphErrors*)infile->Get(gname.Data());
TString gtname = "gt_"+classname;
TGraphErrors * gt;
if(!strcmp(typ,"Pt")) gt = (TGraphErrors*)infile->Get(gtname.Data());
char htitle[256];
char hnewtitle[512];
strcpy(htitle,h->GetTitle());
sprintf(hnewtitle,"%s -- %s triggers",htitle,trig);
h->SetTitle(hnewtitle);
h->SetMinimum(0.001);
if(!strcmp(typ,"Pt")) {
gt->SetLineWidth(2);
gt->SetLineColor(kBlack);
};
// temporary hack to cut out fluctuations of pt_thresh vs. run to 0
Double_t xx,yy;
Int_t gtn = gt->GetN();
for(int ii=0; ii<gtn; ii++) {
gt->GetPoint(ii,xx,yy);
printf("xx=%f yy=%f\n",xx,yy);
if(yy<0.001) gt->RemovePoint(ii);
};
// drawing range
Float_t xmin = h->GetXaxis()->GetXmin();
Float_t xmax = h->GetXaxis()->GetXmax();
xmax = 515;
if(xmax<gtn) {
fprintf(stderr,"\nWARNING: xmax < gt->GetN(); graphs will be cut off!\n\n");
};
TCanvas * c = new TCanvas("c","c",1500,700);
c->Divide(1,2);
gStyle->SetOptStat(0);
for(int x=1; x<=2; x++) c->GetPad(x)->SetGrid(1,1);
c->cd(1);
c->GetPad(1)->SetLogz();
h->GetXaxis()->SetRangeUser(xmin,xmax);
h->Draw("colz");
if(!strcmp(typ,"Pt")) gt->Draw("LX");
c->cd(2);
g->SetFillColor(kGray);
printf("%f %f\n",xmin,xmax);
g->GetXaxis()->SetLimits(xmin,xmax);
g->GetXaxis()->SetRangeUser(xmin,xmax);
/*
g->Draw("A3");
g->Draw("PLX");
*/
g->Draw("APLX");
TString outname = filename.ReplaceAll(".root"," "+classname);
outname = outname+".png";
c->Print(outname.Data(),"png");
};示例3: softrad
//.........这里部分代码省略.........
cout << "Reading in data" << endl << flush;
// Read in plots vs pT (and alpha)
map<string, map<string, map<string, map<int, TGraphErrors*> > > > gemap;
map<string, map<string, map<string, map<int, TGraphErrors*> > > > gamap;
for (int itype = 0; itype != ntypes; ++itype) {
for (int imethod = 0; imethod != nmethods; ++imethod) {
for (int isample = 0; isample != nsamples; ++isample) {
for (int ialpha = 0; ialpha != nalphas; ++ialpha) {
fin->cd();
assert(gDirectory->cd(types[itype]));
assert(gDirectory->cd(bin));
TDirectory *d = gDirectory;
const char *ct = types[itype];
const char *cm = methods[imethod];
const char *cs = samples[isample];
const int a = alphas[ialpha];
// Get graph made vs pT
string s = Form("%s/%s/%s_%s_a%d",types[itype],bin,cm,cs,a);
TGraphErrors *g = (TGraphErrors*)fin->Get(s.c_str());
if (!g) cout << "Missing " << s << endl << flush;
assert(g);
// Clean out empty points
// as well as trigger-biased ones for dijets
// as well as weird gamma+jet high pT point
for (int i = g->GetN()-1; i != -1; --i) {
if (g->GetY()[i]==0 || g->GetEY()[i]==0 ||
(string(cs)=="dijet" && g->GetX()[i]<70.) ||
(string(cs)=="gamjet" && g->GetX()[i]>600. && etamin!=0))
g->RemovePoint(i);
}
gemap[ct][cm][cs][a] = g;
// Sort points into new graphs vs alpha
TH1D *hpt = (isample==0 ? hpt2 : hpt1);
TProfile *ppt = (isample==0 ? ppt2 : ppt1);
if (isample==3) { hpt = hpt4; ppt = ppt4; } // pas-v6
for (int i = 0; i != g->GetN(); ++i) {
double pt = g->GetX()[i];
ppt->Fill(pt, pt);
int ipt = int(hpt->GetBinLowEdge(hpt->FindBin(pt))+0.5);
//int ipt = int(pt+0.5);
TGraphErrors *ga = gamap[ct][cm][cs][ipt];
if (!ga) {
ga = new TGraphErrors(0);
ga->SetMarkerStyle(g->GetMarkerStyle());
ga->SetMarkerColor(g->GetMarkerColor());
ga->SetLineColor(g->GetLineColor());
gamap[ct][cm][cs][ipt] = ga;
}
int n = ga->GetN();
ga->SetPoint(n, 0.01*a, g->GetY()[i]);
ga->SetPointError(n, 0, g->GetEY()[i]);
} // for i
} // for ialpha
} // for isample
} // for imethod
} // for itype示例4: main
//.........这里部分代码省略.........
//cout << endl;
float slewRate = A[ihit][imax-1];
hSlewRate -> Fill(slewRate);
// graphs
gsample = new TGraphErrors();
sprintf(gtitle,"shape_Run%d_Evt%d",runId,eventId);
sprintf(gname,"shape_%d",ievt);
gsample->SetName(gname);
gsample->SetTitle(gtitle);
gsample->GetXaxis()->SetTitle("Time (ns)");
gsample->GetYaxis()->SetTitle("ADC counts");
for (int isample = 0; isample < 10 ; isample++)
{
gsample->SetPoint(isample, double(isample)*25., A[ihit][isample]);
gsample->SetPointError(isample,0.,0.9);
}
// fit function
TF1 *fpulseShape = new TF1("fpulseShape", pulseShape,0.,240.,3);
fpulseShape->SetLineColor(kBlue);
fpulseShape->SetParName(0,"Ped");
fpulseShape->SetParName(1,"A");
fpulseShape->SetParName(2,"T0");
fpulseShape->FixParameter(0,0); // ped
fpulseShape->SetParameter(1,A[ihit][imax]); // ampl
fpulseShape->SetParameter(2,imax*25.); // T0
gsample->RemovePoint(imax-1);
gsample->Fit("fpulseShape","QSR+") ;
//re-set dei punti, altrimenti root non li plotta!
for (int isample = 0; isample < 10 ; isample++)
{
gsample->SetPoint(isample, double(isample)*25., A[ihit][isample]);
gsample->SetPointError(isample,0.,0.9);
}
ievt++;
float measuredAmpl = A[ihit][imax-1] ;
float expectedAmpl = A[ihit][imax] * fpulseShape->Eval((imax-1)*25.)/fpulseShape->Eval(imax*25.);
hAmplitude -> Fill(expectedAmpl,measuredAmpl);
hAmplitude2 -> Fill( A[ihit][imax] * 0.774,measuredAmpl);
float t0 = fpulseShape->GetParameter(2);
hAmpl_vs_Time -> Fill(t0-125.,expectedAmpl);
hRatio_vs_Time -> Fill(t0-125., fpulseShape->Eval((imax-1)*25.)/fpulseShape->Eval(imax*25.));
if (expectedAmpl > 3000) {
hr2->Fill( fpulseShape->Eval((imax-1)*25.)/fpulseShape->Eval(imax*25.));
hTfit2->Fill(t0-125.);
hAmax2->Fill(A[ihit][imax]);
}
else {
hr1->Fill( fpulseShape->Eval((imax-1)*25.)/fpulseShape->Eval(imax*25.));
hTfit1->Fill(t0-125.);
hAmax1->Fill(A[ihit][imax]);
}示例5: plot_cent_allQQ
//.........这里部分代码省略.........
TGraphErrors *gPromptJpsiCent = new TGraphErrors(7, promptNpart, promptJpsiCent, promptNpartError, promptJpsiCentError);
TGraphErrors *gNonPromptJpsiCent = new TGraphErrors(3, nonPromptNpart, nonPromptJpsiCent, nonPromptNpartError, nonPromptJpsiCentError);
TGraphErrors *gUpsCent = new TGraphErrors(4, upsNpart, upsCent, upsNpartError, upsCentError);
TGraphErrors *gInclJpsiCentSyst = new TGraphErrors(7, promptNpart, inclJpsiCent, promptSystX, inclJpsiCentSyst);
TGraphErrors *gPromptJpsiCentSyst = new TGraphErrors(7, promptNpart, promptJpsiCent, promptSystX, promptJpsiCentSyst);
TGraphErrors *gNonPromptJpsiCentSyst = new TGraphErrors(3, nonPromptNpart, nonPromptJpsiCent, nonPromptSystX, nonPromptJpsiCentSyst);
TGraphErrors *gUpsCentSyst = new TGraphErrors(4, upsNpart, upsCent, upsSystX, upsCentSyst);
TGraphErrors *gInclJpsiCentP = new TGraphErrors(7, promptNpart, inclJpsiCent, promptNpartError, promptNpartError);
TGraphErrors *gPromptJpsiCentP = new TGraphErrors(7, promptNpart, promptJpsiCent, promptNpartError, promptNpartError);
TGraphErrors *gNonPromptJpsiCentP = new TGraphErrors(3, nonPromptNpart, nonPromptJpsiCent, nonPromptNpartError, nonPromptNpartError);
TGraphErrors *gUpsCentP = new TGraphErrors(4, upsNpart, upsCent, upsNpartError, upsNpartError);
TGraphErrors *gInclJpsiMB = new TGraphErrors(1, promptNpart, inclJpsiCent, promptNpartError, inclJpsiCentError);
TGraphErrors *gPromptJpsiMB = new TGraphErrors(1, promptNpart, promptJpsiCent, promptNpartError, promptJpsiCentError);
TGraphErrors *gNonPromptJpsiMB = new TGraphErrors(1, nonPromptNpart, nonPromptJpsiCent, nonPromptNpartError, nonPromptJpsiCentError);
TGraphErrors *gUpsMB = new TGraphErrors(1, upsNpart, upsCent, upsNpartError, upsCentError);
TGraphErrors *gInclJpsiMBSyst = new TGraphErrors(1, promptNpart, inclJpsiCent, promptSystX, inclJpsiCentSyst);
TGraphErrors *gPromptJpsiMBSyst = new TGraphErrors(1, promptNpart, promptJpsiCent, promptSystX, promptJpsiCentSyst);
TGraphErrors *gNonPromptJpsiMBSyst = new TGraphErrors(1, nonPromptNpart, nonPromptJpsiCent, nonPromptSystX, nonPromptJpsiCentSyst);
TGraphErrors *gUpsMBSyst = new TGraphErrors(1, upsNpart, upsCent, upsSystX, upsCentSyst);
TGraphErrors *gInclJpsiCent2 = new TGraphErrors(3, nonPromptNpart, inclJpsiCent2, nonPromptNpartError, inclJpsiCent2Error);
TGraphErrors *gPromptJpsiCent2 = new TGraphErrors(3, nonPromptNpart, promptJpsiCent2, nonPromptNpartError, promptJpsiCent2Error);
TGraphErrors *gInclJpsiCent2Syst = new TGraphErrors(3, nonPromptNpart, inclJpsiCent2, nonPromptSystX, inclJpsiCent2Syst);
TGraphErrors *gPromptJpsiCent2Syst = new TGraphErrors(3, nonPromptNpart, promptJpsiCent2, nonPromptSystX, promptJpsiCent2Syst);
// Remove MB point
gInclJpsiCent->RemovePoint(0);
gPromptJpsiCent->RemovePoint(0);
gNonPromptJpsiCent->RemovePoint(0);
gUpsCent->RemovePoint(0);
gInclJpsiCentP->RemovePoint(0);
gPromptJpsiCentP->RemovePoint(0);
gNonPromptJpsiCentP->RemovePoint(0);
gUpsCentP->RemovePoint(0);
gInclJpsiCentSyst->RemovePoint(0);
gPromptJpsiCentSyst->RemovePoint(0);
gNonPromptJpsiCentSyst->RemovePoint(0);
gUpsCentSyst->RemovePoint(0);
gInclJpsiCent2->RemovePoint(0);
gPromptJpsiCent2->RemovePoint(0);
gInclJpsiCent2Syst->RemovePoint(0);
gPromptJpsiCent2Syst->RemovePoint(0);
gInclJpsiCent->SetName("gInclJpsiCent");
gPromptJpsiCent->SetName("gPromptJpsiCent");
gNonPromptJpsiCent->SetName("gNonPromptJpsiCent");
gInclJpsiMB->SetName("gInclJpsiMB");
gPromptJpsiMB->SetName("gPromptJpsiMB");
gNonPromptJpsiMB->SetName("gNonPromptJpsiMB");
gUpsCent->SetName("gUpsCent");
gUpsMB->SetName("gUpsMB");
gInclJpsiCent2->SetName("gInclJpsiCent2");示例6: drawAvsB
//.........这里部分代码省略.........
for (unsigned int im = 0; im != methods.size(); ++im) {
const char *cm = methods[im].c_str();
tex->DrawLatex(0.20,0.75-0.06*im,cm);
s += "_" + methods[im];
for (unsigned int is = 0; is != samples.size(); ++is) {
const char *cs = samples[is].c_str();
TGraphErrors *gg = (TGraphErrors*)fg->Get(Form("%s/eta00-13/%s_%s_a30",ct,cm,cs));
cout << cm << " " << cs << endl << flush;
assert(gg);
if (fg2) {
TGraphErrors *gg2 = (TGraphErrors*)fg2->Get(Form("%s/eta00-13/%s_%s_a30",ct,cm,cs));
assert(gg2);
gg = addGraph(gg,gg2);
}
TGraphErrors *gf = (TGraphErrors*)ff->Get(Form("%s/eta00-13/%s_%s_a30",ct,cm,cs));
assert(gf);
if (ff2) {
TGraphErrors *gf2 = (TGraphErrors*)ff2->Get(Form("%s/eta00-13/%s_%s_a30",ct,cm,cs));
assert(gf2);
gf = addGraph(gf,gf2);
}
if (!(gf->GetN()==gg->GetN())) {
// Remove highest pT point is that is the offender (BCD vs GH)
if (gg->GetN()>gf->GetN() &&
fabs(gg->GetX()[gg->GetN()-1]/gf->GetX()[gf->GetN()-1]-1)>0.1 &&
fabs(gg->GetX()[gg->GetN()-2]/gf->GetX()[gf->GetN()-1]-1)<0.1) {
cout << "Remove point B(N-1)" << endl;
gg->RemovePoint(gg->GetN()-1);
}
else {
cout << "sample " << samples[is] << " method " << methods[im]
<< " gf->N: " << gf->GetN() << " gg->N: " << gg->GetN() << endl;
cout << " x_gf(N-1)=" << gf->GetX()[gf->GetN()-1]
<< " x_gg(N-1)=" << gg->GetX()[gg->GetN()-1]
<< " x_gg(N-2)=" << gg->GetX()[gg->GetN()-2] << endl;
}
assert(gf->GetN()==gg->GetN());
}
TGraphErrors *g = (TGraphErrors*)gg->Clone(Form("ge_%s_%s",cm,cs));
for (int i = 0; i != g->GetN(); ++i) {
double yg = gg->GetY()[i];
double yf = gf->GetY()[i];
g->SetPoint(i, gg->GetX()[i], yf / yg);
double ex = gg->GetEX()[i];
double eg = gg->GetEY()[i];
double ef = gf->GetEY()[i];
g->SetPointError(i, ex, yf/yg*sqrt(pow(eg/yg,2)+pow(ef/yf,2)));
}
//g->Draw(is==0 ? "AP" : "SAMEP");
g->SetLineWidth(1+is);
g->Draw("SAMEPZ");
if (samples[is]=="gamjet" && methods[im]=="mpfchs1" && nogjmpf) {
tex->SetTextColor(kBlue);
tex->DrawLatex(0.20,0.63,"#gamma+jet MPF excl. from fit");
tex->SetTextColor(kBlack);
}
else if (samples[is]=="gamjet" && methods[im]=="ptchs" && nogjptb) {