doc/v606/hlabels2_8C.html

TCanvas *hlabels2()

{

   const Int_t nx = 12;

   const Int_t ny = 20;

   const char *month[nx]  = {"January","February","March","April","May",

      "June","July","August","September","October","November",

      "December"};

   const char *people[ny] = {"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",10,10,600,600);

   c1->SetGrid();

   c1->SetLeftMargin(0.15);

   c1->SetBottomMargin(0.15);

   TH2F *h = new TH2F("h","test",3,0,3,2,0,2);

   h->SetCanExtend(TH1::kAllAxes);

   h->SetStats(0);

   gRandom->SetSeed();

   for (Int_t i=0;i<15000;i++) {

      Int_t rx = gRandom->Rndm()*nx;

      Int_t ry = gRandom->Rndm()*ny;

      h->Fill(people[ry],month[rx],1);

   }

   h->LabelsDeflate("X");

   h->LabelsDeflate("Y");

   h->LabelsOption("v");

   h->Draw("text");


   TPaveText *pt = new TPaveText(0.6,0.85,0.98,0.98,"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;

}