Re: [ROOT] TGraph scale

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Aug 07 2001 - 09:27:29 MEST


Hi Mike,

I assume that you use the option "a" when drawing the graph.
In this case the graph is drawn via an intermediate histogram.
You can set the y scale via
  mygraph->GetHistogram()->SetMaximum(mymaximum);
  mygraph->GetHistogram()->SetMinimum(myMinimum);

Note that you can also change the scale interactively with the left button
of the mouse.

Rene Brun

Mike Eads wrote:
> 
> Is there a way to change the y-axis scale on a graph? In particular, can
> the limits be changed either when creating the graph or after the graph
> has been created? I have tried TAxis::SetRange() and TAxis::SetLimits()
> both in the canvas and on the command line and neither command seems to
> have any effect.
> 
> Mike Eads



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