Thanks Art, That works great on a linear scale, but when I convert the y axis to a log scale, the line goes right up to the top of the canvas, it doesn't stop in the frame. Do you know what I can do about that? __________________________________ Claire Gwenlan Department of Physics & Astronomy University College London Gower Street LONDON WC1E 6BT Tel: (0171) 419 3454 _________________________________ On Tue, 23 May 2000, Art Poskanzer wrote: > Here is a horizontal line: > > TLine* lineZeroEta = new TLine(-etaMax, 0., etaMax, 0.); > > after you draw the graph: > lineZeroEta->Draw(); > > Art > > Claire Gwenlan wrote: > > > Hi Everybody, > > > > I just want to put a simple vertical line on my graph to represent various > > cuts. Is there an easy way to do this? > > > > Cheers, > > > > Claire > > > > __________________________________ > > Claire Gwenlan > > Department of Physics & Astronomy > > University College London > > Gower Street > > LONDON > > WC1E 6BT > > > > Tel: (0171) 419 3454 > > _________________________________ >
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