Re: Legend [ER] (PR#513)

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Oct 05 1999 - 16:15:54 MEST


Hi Michael,
You will be pleased to know that a TLegend class will be part of Root
2.23.
The initial version has been kindly provided by Matt Dobbs.
You can look at 
  http://pcbrun.cern.ch/root/TLegend.html

for a description of the proposed interface. Comments are still welcome.

I am currently working on this class to make it operational on all
systems.

Rene Brun


Michael.Sievers@desy.de wrote:
> 
> Full_Name: Michael Sievers
> Urgency: minor
> 
> Hi,
> 
> I would like to have a legend class. I think not many people
> are missing it now, because they are used to drawing a line/
> marker and text, but everyone will be happy when it exists!
> 
> I know this has been asked by Rene Brun on roottalk without
> resonance, but still it wuold be a great help. Following
> the question in that mail, one should chose a dedicated
> class or a TH1 method. I'm not really sure what's better,
> but it should be easy to draw a legend for the case of many
> histograms drawn in the same pad.
> 
> I'd probably go for a dedicated class, to which histograms
> (Graphs) can be added. Say,
> TLegend::Add(TH1 & h1)
> makes the legend look at the marker/line type of h1 when
> drawing the legend.
> 
> Thanks for supplying me with a C++ analysis tool!
> 
> Bye,
> Mike



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