[ROOT] Histo y-limits

From: Robert Zitoun (zitoun@fnal.gov)
Date: Wed Oct 03 2001 - 21:08:27 MEST 

  I want know the y-limits of a histogram made automatically.

I get the values I want when I type interactively

  c1->cd(3);
  h->Draw();
  gPad->GetFrame()->GetY1();
  gPad->GetFrame()->GetY2();

However, when I do it within a macro, I get Y1=0 and Y2=1;
I suspect this is due to "gPad" which does not work as I think.
So how do I get the y-limits.

         Robert

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