Re: [ROOT] TH2 & TProfile2D draw options

From: Mike Kordosky (kordosky@mail.hep.utexas.edu)
Date: Mon Jul 29 2002 - 14:34:16 MEST


Hi Olivier,

Both of your examples are very nice.  The first example is exactly what I
was thinking of.  The second example is also very nice.  I think both
would be extremly useful if added to ROOT.

Mike Kordosky

>
>  Hi Mike,
>
>  Is the way you would like to have the errors "suspended" fro 2D
> histograms something like this:
>
> http://wwwinfo.cern.ch/asd/paw/tutorial/tut034.html       ?
>
>  Note also that PAW has also a "colored way" to represent the errors on
> 2D histograms. It is is illustrated here:
>
> http://wwwinfo.cern.ch/asd/paw/tutorial/tut033.html
>
> we may also think to put a such representation in ROOT.
>
>  Cheers,       Olivier Couet
>
> On Fri, 26 Jul 2002, Rene Brun wrote:
>
> >
> > Hi Mike,
> >
> > Your first point is not obvious to implement as you propose.
> >
> > For your second point, move to 3.03/07. Several improvements have been
> > made by Olivier Couet in the past few weeks.
> >
> > Rene Brun
> >
> >
> > On Tue, 23 Jul 2002, Mike Kordosky wrote:
> >
> > > Hi,
> > >
> > > Is there a way to visualize the errorbars in a 2D histogram?  I'm thinking
> > > of polymarkers w/ errors suspended over the x,y plane or something
> > > similar.
> > >
> > > Also, I seem to have problems seeing colors when drawing a 2D with the
> > > "col" option.   I can see colors if I give the "lego2" option. However, if
> > > I give "lego2 z" the there is a non colored colorscale drawn along the z
> > > axis.  Can anyone help?  I've poked around in TStyle, but the only
> > > candidate TStyle:SetPallete() doensn't have any effect on the z scale...
> > >
> > > I use root 3.03/02 on a linux pc.
> > >
> > > --
> > > Graduate Research Assistant  // High Energy Physics Lab
> > > kordosky@hep.utexas.edu     // University of Texas at Austin
> > > kordosky@fnal.gov	   //
> > > ph: (512) 471-8426 (RLM Lab, Office)
> > >     (512) 475-8673 (ENS Lab)
> > >
> >
> >
>

-- 
Graduate Research Assistant  // High Energy Physics Lab
kordosky@hep.utexas.edu     // University of Texas at Austin
kordosky@fnal.gov	   //
ph: (512) 471-8426 (RLM Lab, Office)
    (512) 475-8673 (ENS Lab)



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