Rene,
Ok, in that case the 2 points mentionned by Gero are covered.
Olivier
On Thu, 26 Feb 2004, Rene Brun wrote:
> Olivier,
>
> If you want to plot only the fitted function, you get the pointer to the
> function and you draw it. As simple as that. You do not need an option.
> PAW was not able to support more than one fitting function, so the
> analogy is not relevant.
> The same argument applies to any object added to the histogram list of
> functions.
>
> Rene
>
> On
> Thu, 26 Feb 2004, Olivier Couet wrote:
>
> >
> > Hi,
> >
> > By default when a 1D histogram contains errors it is plotted with errors
> > bars whatever the plotting option is. This was like that in PAW and this
> > way has been kept in ROOT. The idea was to make sure that the user knows
> > his histogram contains error bars. If, nevertheless, one wants to not show
> > the error bars and activate an other plotting option, the option HIST
> > should be given in addition.
> >
> > I agree that I found no way to plot only the daughter function (in case
> > of a fit for instance). In PAW the option FUNC was doing that. I tried it
> > in root but it as no effect.
> >
> > test() {
> > TH1F *histo=new TH1F("aaa","bbb",25,0,100);
> > for (int i=1; i<26; i++){
> > histo->SetBinContent(i,i);
> > histo->SetBinError(i,sqrt(i));
> > }
> > histo->Fit("gaus");
> > histo->Draw("FUNC");
> > }
> >
> > May be that option should be reactivated in the case of 1D histograms. In
> > that case your two points will become:
> >
> > 1) do not draw any error bars (option HIST)
> > 2) draw only the 'daughters', i.e. functions etc. (option FUNC)
> >
> > Cheers, O.Couet
> >
> >
> >
> > On Thu, 26 Feb 2004, Gero Flucke wrote:
> >
> > > Hi!
> > > I am hit by the same problem as 'solved' in
> > >
> > > http://root.cern.ch/root/roottalk/roottalk03/4016.html
> > >
> > > but I don't think that this is an appropriate solution in general,
> > > especially in the case where the draw option (TH1::SetOption("HIST")) is
> > > set somewhere in the program, fitting at another place and having a
> > > genaral drawing routine that is responsible for putting hists into several
> > > pads of several canvas etc.
> > >
> > > I'd expect too different options that are now both 'merged' in option HIST:
> > >
> > > 1) do not draw any error bars
> > > 2) draw the histogram without its 'daughters', i.e. functions etc.
> > >
> > >
> > > Cheers
> > > Gero
> > >
> > > PS: Using old 3.05_07, but same in 3.10_02, on linux.
> > >
> > > -----------------------------------------------------------------------
> > > Gero Flucke
> > > 1a / 603
> > > DESY
> > > Notkestr. 85
> > > 22607 Hamburg
> > > +49-(0)40-8998-2454
> > >
> > >
> >
> >
>
>
--
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