Files
2024-12-06 11:11:40 +01:00

61 lines
1.5 KiB
C++

//
// *********************************************************************
// To execute this macro under ROOT after your simulation ended,
// 1 - launch ROOT (usually type 'root' at your machine's prompt)
// 2 - type '.X plot.C' at the ROOT session prompt
// 3 - OR directly type 'root plot.C'
// *********************************************************************
{
gROOT->Reset();
gStyle->SetPalette(1);
gROOT->SetStyle("Plain");
gStyle->SetOptStat(00000);
auto c1 = new TCanvas ("c1","Range",60,60,700,700);
c1->Divide(1,1);
c1->cd(1);
gPad->SetLogx();
gPad->SetLogy();
TH2F * h2 = new TH2F("h2","",2,9.99,1e+4,2,1e-1,1e+4);
h2->Draw();
h2->GetXaxis()->SetLabelSize(0.025);
h2->GetYaxis()->SetLabelSize(0.025);
h2->GetXaxis()->SetTitleSize(0.035);
h2->GetYaxis()->SetTitleSize(0.035);
h2->GetXaxis()->SetTitleOffset(1.4);
h2->GetYaxis()->SetTitleOffset(1.4);
h2->GetXaxis()->SetTitle("E (eV)");
h2->GetYaxis()->SetTitle("Distance (nm)");
FILE * fp = fopen("range.txt","r");
Float_t e,track,strack,proj,sproj,pene,spene;
Int_t ncols = 0;
Int_t nlines = 0;
TNtuple *ntuple = new TNtuple("ntuple","range","e:track:strack:proj:sproj:pene:spene");
while (1)
{
ncols = fscanf(fp,"%f %f %f %f %f %f %f",&e,&track,&strack,&proj,&sproj,&pene,&spene);
if (ncols < 0) break;
ntuple->Fill(e,track,strack,proj,sproj,pene,spene);
nlines++;
}
fclose(fp);
ntuple->SetLineWidth(3);
ntuple->SetLineColor(2);
ntuple->Draw("track:e","","Lsame");
ntuple->SetLineColor(3);
ntuple->Draw("pene:e","","Lsame");
ntuple->SetLineColor(4);
ntuple->Draw("proj:e","","Lsame");
}