doc/v606/hlabels1_8C.html

TCanvas *hlabels1()

{

   const Int_t nx = 20;

   const char *people[nx] = {"Jean","Pierre","Marie","Odile","Sebastien",

      "Fons","Rene","Nicolas","Xavier","Greg","Bjarne","Anton","Otto",

      "Eddy","Peter","Pasha","Philippe","Suzanne","Jeff","Valery"};

   TCanvas *c1 = new TCanvas("c1","demo bin labels",10,10,900,500);

   c1->SetGrid();

   c1->SetTopMargin(0.15);

   TH1F *h = new TH1F("h","test",3,0,3);

   h->SetStats(0);

   h->SetFillColor(38);

   h->SetCanExtend(TH1::kAllAxes);

   for (Int_t i=0;i<5000;i++) {

      Int_t r = gRandom->Rndm()*20;

      h->Fill(people[r],1);

   }

   h->LabelsDeflate();

   h->Draw();

   TPaveText *pt = new TPaveText(0.7,0.85,0.98,0.98,"brNDC");

   pt->SetFillColor(18);

   pt->SetTextAlign(12);

   pt->AddText("Use the axis Context Menu LabelsOption");

   pt->AddText(" \"a\"   to sort by alphabetic order");

   pt->AddText(" \">\"   to sort by decreasing values");

   pt->AddText(" \"<\"   to sort by increasing values");

   pt->Draw();

   return c1;

}