void splithist(double ratio=0.2){
TVirtualPad* pmain = TVirtualPad::Pad();
double h = 1. - pmain->GetTopMargin() - pmain->GetBottomMargin();
double xlow = 0.; //gStyle->GetPadLeftMargin();
double xhigh = 1.; // - gStyle->GetPadRightMargin();
double ytop = 1.; //- gStyle->GetPadTopMargin();
double ybot = 0.; //gStyle->GetPadBottomMargin();
double ymid = pmain->GetBottomMargin() + ratio * h; //ybot + ratio * (ytop-ybot);
double yp1bot = ymid;
double yp2top = ymid;
TPad* p1 = new TPad(TString(pmain->GetName()) + "_1", pmain->GetTitle(),
xlow, yp1bot, xhigh, ytop);
p1->SetNumber(1);
TPad* p2 = new TPad(TString(pmain->GetName()) + "_2", pmain->GetTitle(),
xlow, ybot, xhigh, yp2top);
p2->SetNumber(2);
p1->SetFillStyle(4000);
p2->SetFillStyle(4000);
double p1h = ytop - yp1bot;
double p2h = yp2top - ybot;
/*
p1->SetTopMargin(pmain->GetTopMargin()/p1h);
p1->SetBottomMargin((ymid-yp1bot)/p1h);
p1->SetLeftMargin(pmain->GetLeftMargin());
p1->SetRightMargin(pmain->GetRightMargin());
p2->SetTopMargin((ymid-yp2top)/p2h);
p2->SetBottomMargin(pmain->GetBottomMargin()/p2h);
p2->SetLeftMargin(pmain->GetLeftMargin());
p2->SetRightMargin(pmain->GetRightMargin());
*/
p1->SetTopMargin(0.11);
p1->SetBottomMargin(0.);
p1->SetRightMargin(0.02);
p2->SetTopMargin(0.);
p2->SetBottomMargin(0.3);
p2->SetRightMargin(0.02);
p2->Draw();
p1->Draw();
pmain->Modified();
p1->cd();
}
/**
* Draw final plot for QM2011
*
* @param max
*
* @ingroup pwglf_forward_scripts
*/
void
dndeta_final(Double_t max=6)
{
gStyle->SetOptTitle(0);
gStyle->SetOptFit(0);
gStyle->SetTitleFont(132, "xyz");
gStyle->SetTitleSize(0.1, "xyz");
gStyle->SetTitleOffset(0.4, "y");
gStyle->SetTitleOffset(0.8, "x");
gStyle->SetLabelFont(132, "xyz");
gStyle->SetLabelSize(0.08, "xyz");
gStyle->SetNdivisions(212, "x");
gStyle->SetNdivisions(208, "y");
gStyle->SetTextFont(132);
gStyle->SetPadColor(0);
gStyle->SetPadBorderMode(0);
// gStyle->SetFillColor(0);
// gStyle->SetFillStyle(0);
TCanvas* c = new TCanvas("c", "c", 900, 900);
c->SetFillColor(0);
c->SetFillStyle(0);
c->SetBorderSize(0);
c->SetBorderMode(0);
c->SetRightMargin(0.02);
c->SetTopMargin(0.02);
c->SetBottomMargin(0.15);
c->Divide(1,3,0,0);
// --- INEL --------------------------------------------------------
TVirtualPad* p = c->cd(1);
p->SetGridx();
p->SetRightMargin(.01);
THStack* inel = new THStack("inel", "INEL");
TLatex* inelT = new TLatex(1-p->GetRightMargin()-.01,
1-p->GetTopMargin()-.01,
"INEL");
inelT->SetNDC();
inelT->SetTextAlign(33);
inelT->SetTextSize(0.12);
TLegend* inelL = new TLegend(.3, .02, .8, .4);
inelL->SetBorderSize(0);
inelL->SetNColumns(2);
inelL->SetFillColor(0);
inelL->SetFillStyle(0);
TLegendEntry* e = inelL->AddEntry("d1", "Forward", "lp");
e->SetMarkerColor(kRed+2);
e->SetMarkerStyle(29);
e = inelL->AddEntry("d2", "Central", "lp");
e->SetMarkerColor(kMagenta+2);
e->SetMarkerStyle(29);
e = inelL->AddEntry("d3", "Data", "lp");
e->SetMarkerStyle(29);
e = inelL->AddEntry("d4", "Mirrored data", "lp");
e->SetMarkerStyle(30);
e = inelL->AddEntry("d5", "Systematic error", "f");
e->SetFillColor(kGray);
e->SetLineColor(kGray);
e->SetLineWidth(0);
e->SetFillStyle(3001);
gROOT->LoadMacro("export_pp_0900GeV_INEL_m10p10cm_000100000ev.C");
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inel, inelL, 20);
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inel, inelL, 21);
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inel, inelL, 22);
inel->Draw("nostack e1");
inel->GetHistogram()->SetYTitle("#frac{1}{N}#frac{dN_{ch}}{d#eta}");
inel->GetHistogram()->SetXTitle("#eta");
inel->GetHistogram()->GetYaxis()->SetDecimals();
inelL->Draw();
inelT->Draw();
// --- INEL>0 ------------------------------------------------------
p = c->cd(2);
p->SetGridx();
p->SetRightMargin(.01);
THStack* inelgt0 = new THStack("inelgt0", "INEL>0");
TLatex* inelgt0T = new TLatex(1-p->GetRightMargin()-.01,
1-p->GetTopMargin()-.01,
"INEL>0");
inelgt0T->SetNDC();
inelgt0T->SetTextAlign(33);
inelgt0T->SetTextSize(0.12);
gROOT->LoadMacro("export_pp_0900GeV_INEL_m10p10cm_000100000ev.C");
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inelgt0, 0, 20);
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inelgt0, 0, 21);
export_pp_0900GeV_INEL_m10p10cm_000100000ev(inelgt0, 0, 22);
inelgt0->Draw("nostack e1");
inelgt0->GetHistogram()->SetXTitle("#eta");
inelgt0->GetHistogram()->GetYaxis()->SetDecimals();
inelgt0T->Draw();
// --- NSD ---------------------------------------------------------
p = c->cd(3);
p->SetGridx();
p->SetRightMargin(.01);
THStack* nsd = new THStack("nsd", "NSD");
TLatex* nsdT = new TLatex(1-p->GetRightMargin()-.01,
1-p->GetTopMargin()-.01,
"NSD");
nsdT->SetNDC();
nsdT->SetTextAlign(33);
nsdT->SetTextSize(0.12);
gROOT->LoadMacro("export_pp_0900GeV_NSD_m10p10cm_000100000ev.C");
export_pp_0900GeV_NSD_m10p10cm_000100000ev(nsd, 0, 20);
export_pp_0900GeV_NSD_m10p10cm_000100000ev(nsd, 0, 21);
export_pp_0900GeV_NSD_m10p10cm_000100000ev(nsd, 0, 22);
nsd->Draw("nostack e1");
nsd->GetHistogram()->SetXTitle("#eta");
nsd->GetHistogram()->GetYaxis()->SetDecimals();
nsdT->Draw();
c->cd();
c->SaveAs("dndeta_final.png");
}