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Revision 9a9e5b4cf3f43c391212ffc2c292ca1ffdba8767 authored by Unknown Author on 08 May 2006, 14:01:31 UTC, committed by Unknown Author on 08 May 2006, 14:01:31 UTC 
This commit was manufactured by cvs2svn to create tag 'v5-11-02'.
 
git-svn-id: http://root.cern.ch/svn/root/tags/v5-11-02@14953 27541ba8-7e3a-0410-8455-c3a389f83636
1 parent 28e762f
Raw File
hist2image.C 
void hist2image()
{

   TCanvas *canv = new TCanvas("image", "xygaus + xygaus(5) + xylandau(10)");
   canv->ToggleEventStatus();
   canv->SetRightMargin(0.2);
   canv->SetLeftMargin(0.01);
   canv->SetTopMargin(0.01);
   canv->SetBottomMargin(0.01);

   // histogram as image (hist taken from draw2dopt.C)
   TImage *img = TImage::Create();

   TF2 *f2 = new TF2("f2","(xygaus + xygaus(5) + xylandau(10))",-4,4,-4,4);
   Double_t params[] = {130,-1.4,1.8,1.5,1, 150,2,0.5,-2,0.5, 3600,-2,0.7,-3,0.3};
   f2->SetParameters(params);
   TH2D *h2 = new TH2D("h2","xygaus + xygaus(5) + xylandau(10)",100,-4,4,100,-4,4);
   h2->FillRandom("f2",40000);
   img->SetImage((const Double_t *)h2->GetArray(), h2->GetNbinsX() + 2, 
                  h2->GetNbinsY() + 2, gHistImagePalette);
   img->Draw();
   img->StartPaletteEditor();
}
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