Re: graphics question

Rene Brun (Rene.Brun@cern.ch)
Mon, 25 Jan 1999 22:21:44 +0100

Chris Jillings wrote:
>
> Hello all,
> I am preparing some plots. I need to plot something like the lines of
> latitude as viewed from the north pole. This is straight forward; I
> create a bunch of TGraph objects which trace out circles at 30, 60 and 90
> degrees and draw them.
>
> p1->DrawFrame(-1,-1,1,1,"Time Fitter Forward");
> g30->Draw("L");
> g60->Draw("L");
> g90->Draw("L");
>
> (I have defined the g90 graph to trace a circle of unit radius.)
>
> The problem is that the frame is drawn so I have a box labelled -1 to 1
> for the x and y axes. Is there an equivalent of the TPad::DrawFrame which
> defines everthing like DrawFrame but does notactually draw the frame?
>
> I did try I few things like setting the style to plain and setting the
> gStyle->SetFrameLineColor(kWhite); Some, but not all of the frame
> disappeared. Trying SetFrameLineWidth(0) did not work.
>

Hi Chris,
TPad::DrawFrame sets the pad range and draws a frame.
If you simply want to set the pad range, call TPad::Range.

Rene Brun