#include <iostream>
#include <TStyle.h>
#include <TCanvas.h>
#include <TRandom.h>
#include <TH2F.h>
#include <TROOT.h>

void plot_TH2F()
{
	TH2F* dummy = new TH2F("dummy","dummy", 10, 0.0, 1.0, 10, 0.0, 1.0);
	gRandom->SetSeed();
	for (Int_t i=0; i<100000; i++) {
		Float_t x = gRandom->Gaus(0.0,1.0);
		Float_t y = gRandom->Gaus(0.0,1.0);
		dummy->Fill(x,y);
	}

	TCanvas* c1 = new TCanvas("c1","c1",800,600);
	c1->cd();
	gROOT->SetStyle("st1");
	gROOT->ForceStyle();

	dummy->Draw("colz");
	gStyle->SetNumberContours(999);
}

void min()
{
	gROOT->Reset();
        TStyle st1("st1","my style");
	st1.SetPalette(55);
	st1.SetNumberContours(999);
        st1.cd();
	gROOT->SetStyle("st1");
	plot_TH2F();
}