void test()
{
	TCanvas *c1 = new TCanvas("c1","c1",800,600);;
	TH1F *h = new TH1F("gaus","gaus", 100, -5, 5);
	h->FillRandom("gaus", 10000);
	h->Draw();

	c1->Update();
	TCanvas *c2 = new TCanvas("c2","c1 rotated",600,800);;
	c2->Divide(1,2);
	TASImage *img = new TASImage();
	img->FromPad(c1);
	c2->cd(1);
	img->Draw("x");
	c2->Update();
	c2->cd(2);
	TASImage *img2 = (TASImage*)img->Clone("clone");
	img2->Flip(90);
	img2->Draw("x");
	c2->Print("c2.png");
}