Re: [ROOT] TH1 draw options hidden in pads.

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Nov 22 2000 - 12:41:20 MET

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Hi Mark,
Use GetDrawOption instead of GetOption.

Rene Brun

Mark.Hayes@desy.de wrote:
> 
> Hi All,
> 
> Quick technical question.
> 
> If I draw a TH1-style plot to a pad and then change the options using
> the DrawPanel using the interactive stuff, how do I access the changes
> made to the plot?
> As far as I can tell they are hidden in a TObjOptLink as part of the pad
> TList, whose pointer I can't get hold of (legally) and this kind of
> solution:
> 
> plot_pad->GetListOfPrimitives()->FindObject(drawn_object)->GetOption()
> 
> just returns the original object options.
> 
> Why do I need this? I have written a GUI which displays and updates
> plots continuously and the users want to use DrawPanel to change the
> draw options - and then save them as new defaults.
> 
> Thanks,
> Mark Hayes

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