Re: TH3

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Mar 11 1999 - 10:37:34 MET


Woon-Seng Choong wrote:
> 
>   I looked through the documentation for TH1,TH3 but could not find any
> member functions that would allow me to set/get the cell content, error,
> bins for 3-dim histogram. These member functions seems to exist for
> 1-dim,2-dim histograms. Are the corresponding 3-dim functions left out for
> a reason?
> 
>         Seng

I did not implement a TH3::SetBinContent(binx,biny,binz).
Use TH1::SetBinContent(bin) where
  Int_t bin = hist->GetBin(binx,biny) for a TH2 object
  Int_t bin = hist->GetBin(binx,biny,binz) for a TH3 object
  Int_t bin = hist->GetBin(binx) for a TH1 object if you like!

Once you have bin, you can use all the Get/Set bin methods, eg
  hist3->GetBinContent(bin)

Rene Brun



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