23#include "ROOT/RFrameTitle.hxx"
36 const int nbins = 2000;
41 auto pHist = std::make_shared<RH2D>(xaxis, yaxis);
43 for(
int i=0;i<nbins;++i)
44 for(
int j=0;j<nbins;++j)
45 pHist->Fill({1.*i,1.*j}, i+j);
48 auto canvas = RCanvas::Create(
"Canvas Title");
50 auto frame = canvas->GetOrCreateFrame();
55 frame->SetGridX(
false).SetGridY(
false);
56 frame->AttrX().SetZoom(nbins*0.2, nbins*0.8);
57 frame->AttrY().SetZoom(nbins*0.2, nbins*0.8);
59 canvas->Draw<RFrameTitle>(
TString::Format(
"Large RH2D histogram with %d x %d bins",nbins,nbins).
Data());
61 auto draw = canvas->Draw(pHist);
63 draw->AttrLine().SetColor(RColor::kLime);
79 canvas->SetSize(1000, 700);
#define R__LOAD_LIBRARY(LIBRARY)
RAttrFill & SetColor(const RColor &color)
The fill color.
Objects used to configure the different axis types.
const char * Data() const
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.