doc/v632/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;

}

h
#define h(i)
Definition RSha256.hxx:106

Int_t
int Int_t
Definition RtypesCore.h:45

r
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
Definition TGWin32VirtualXProxy.cxx:168

i
Int_t i
Definition TGraphAsymmErrors.cxx:1306

gRandom
R__EXTERN TRandom * gRandom
Definition TRandom.h:62

TCanvas
The Canvas class.
Definition TCanvas.h:23

TH1F
1-D histogram with a float per channel (see TH1 documentation)
Definition TH1.h:621

TH1::kAllAxes
@ kAllAxes
Definition TH1.h:76

TPaveText
A Pave (see TPave) with text, lines or/and boxes inside.
Definition TPaveText.h:21

pt
TPaveText * pt
Definition entrylist_figure1.C:7

c1
return c1
Definition legend1.C:41