RE: geting the values stored in the histograms.

You need either
http://root.cern.ch/root/htmldoc/TH1.html#TH1:GetBinLowEdge or
http://root.cern.ch/root/htmldoc/TH1.html#TH1:GetBinCenter

Valeri
>
>
> There are two ways:
>
> 1. Each concrete histogram class is derived from TArray class
> http://root.cern.ch/root/htmldoc/TH1F.html
> This means one can treat each histogram object as a plain array of
> "float" number and use it as such. (For example method "[int]} returns
> what you want)
>
> TH1F *histogram = new TH1F( some parameters);
> TH1F &bins = *histogram;
> for (int i=0; i< 100; i++)
> printf(" Bin %i contains the value %f\n", i, bins[i]);
>
> 2. One can use the methods like TH1::GetBin<XXX>
> , where XXX could be "Center", "Content", "Error" etc
> see doc please
> http://root.cern.ch/root/htmldoc/TH1.html#TH1:GetBinContent
>

> Hope this helps.
>
> ----
> Best regards
> Valeri
>
>
> > -----Original Message-----
> > From: owner-roottalk_at_pcroot.cern.ch
> [mailto:owner-roottalk_at_pcroot.cern.ch] On
> > Behalf Of nasim
> > Sent: Sunday, July 02, 2006 7:43 PM
> > To: roottalk_at_pcroot.cern.ch
> > Subject: [ROOT] geting the values stored in the histograms.
> >
> >
> > Hi,
> > If we have one dimensional histogram with 100 entries.
> > Is it possible to extract the value of its x axis for each entry?
> >
> > Any help would be appreciated,
> >
> > Nasim
> >
> >
> > --
>
Received on Mon Jul 03 2006 - 03:56:19 MEST