Re: [ROOT] TPolyMarker and Markers

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon Jun 02 2003 - 22:14:50 MEST


Hi Greg,

There is no vertical line marker, although it would trivial
to add one (first time somebody requests it)
You can emulate it via TGraphErrors by setting
the marker type to 1 and the size of the bar in Y with
the value of the error in Y (a bit heavy but it should work)

Rene Brun

On Fri, 30 May 
2003, Greg King wrote:

> Hi,
> 
> Is a vertical line available as a marker?
> 
> Sample Code:
> TPolyMarker * pm = new TPolyMarker(n, x, y);
> pm->SetMarkerStyle(***);
> 
> If so, what do should replace *** with, to get a vertical line?
> 
> Cheers,
> 
> Greg King
> 
> 
> 
> 
> 



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