Hi Rene,
I can not put titles 'gr1->GetHistogram()->SetXTitle("P_{t}, GeV/c");' in
the following macro, perhaps I'm doing something wrong ...
The version is 'Version 3.00/06 12 March 2001', Linux RH6.1
Thanks,
Ilia
==========================================================================
{
gROOT->Reset();
gStyle->SetCanvasColor(0);
gStyle->SetFrameFillColor(0);
gStyle->SetHistLineWidth(3);
TCanvas c1("invn","LAMBDA->PK-",10,10,600,800);
c1.Divide(1,2);
c1->SetFillColor(0);
c1->SetGrid();
Int_t n1 = 6;
Double_t x1[] = {0.50,0.70,0.90,1.10,1.30,1.50};
Double_t y1[] = {0.28,0.44,0.78,0.87,0.77,0.40};
Double_t ex1[] = {0.10,0.10,0.10,0.10,0.10,0.10};
Double_t ey1[] = {0.09,0.08,0.06,0.08,0.11,0.28};
gr1 = new TGraphErrors(n1,x1,y1,ex1,ey1);
gr1->SetMaximum(1.5);
gr1->SetMinimum(0.);
gr1->SetTitle("#Lambda-bar/#Lambda ratio");
gr1->SetMarkerColor(2);
gr1->SetMarkerStyle(20);
gr1->SetMarkerSize(2.0);
c1.cd(1);
gr1->Draw("ALP");
Int_t n2 = 6;
Double_t x2[] = {29.6,123.7,193.5,248.7,292.8,346.7};
Double_t y2[] = {0.87,0.61,0.54,0.67,0.82,0.63};
Double_t y2[] = {0.63,0.82,0.67,0.54,0.61,0.87};
Double_t ex2[] = {0.10,0.10,0.10,0.10,0.10,0.10};
Double_t ey2[] = {0.13,0.11,0.09,0.09,0.09,0.10};
gr2 = new TGraphErrors(n2,x2,y2,ex2,ey2);
gr2->SetMaximum(1.5);
gr2->SetMinimum(0.);
gr2->SetTitle("#Lambda-bar/#Lambda ratio");
gr2->SetMarkerColor(2);
gr2->SetMarkerStyle(20);
gr2->SetMarkerSize(2.0);
c1.cd(2);
gr2->Draw("ALP");
c1->Update();
c1->GetFrame()->SetFillColor(42);
c1->GetFrame()->SetBorderSize(10);
gr1->GetHistogram()->SetXTitle("P_{t}, GeV/c");
gr1->GetHistogram()->SetYTitle("Ratio");
c1->Modified();
}
************************************************************************
* *
* Ilia Ravinovich *
* Department of Particle Physics PPE Division *
* Weizmann Institute of Science Bld 892, 1D-015 *
* Rehovot 76100 CERN, 1211 Geneva *
* ISRAEL Switzerland *
* *
* PHONE : 972 8 9343187 41 22 7676437 *
* FAX : 972 8 9466253 41 22 7677910 *
* E-mail: Ilia.Ravinovich@weizmann.ac.il Ilia.Ravinovich@cern.ch *
* *
************************************************************************
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