radlen_vs_r_vs_z.C

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void radlen_vs_r_vs_z(void)
{
   gROOT->Reset();

   TFile *f = new TFile("material.root");
   TH2D *radlen_LL = (TH2D*)gROOT->FindObject("radlen_LL");
   TH2D *radlen_table = (TH2D*)gROOT->FindObject("radlen_table");

   TCanvas *c1 = new TCanvas("c1", "", 800, 1000);
   c1->Divide(1,2);
   
   c1->cd(1);
   gPad->SetRightMargin(0.15);
   radlen_LL->GetZaxis()->SetRangeUser(0.0, 35000.0);
   radlen_LL->SetStats(0);
   radlen_LL->SetTitle("Material Map from DRootGeom::FindMatLL(...)");
   radlen_LL->Draw("colz");

   c1->cd(2);
   gPad->SetRightMargin(0.15);
   radlen_table->GetZaxis()->SetRangeUser(0.0, 35000.0);
   radlen_table->SetStats(0);
   radlen_table->SetTitle("Material Map from DGeometry::FindMat(...)");
   radlen_table->Draw("colz");
   
   c1->SaveAs("radlen_vs_r_vs_z.png");
   c1->SaveAs("radlen_vs_r_vs_z.pdf");
}