Hi Sam,
In attachement an example (based on an original script from Otto Schaile)
Rene Brun
On Fri, 28 Jun 2002, Sam Waldman wrote:
>
> Hi folks,
>
> I have a 2D histogram and I am trying to plot the projection of
> the distribution onto each axis. The data starts in a tree, which I
> then split out into two TH1F's and one TH2F:
>
> tree->Draw("xaxis>>hx(200,0,2000)","","hist");
> tree->Draw("yaxis>>hy(200,0,2000)","","hist");
> tree->Draw("yaxis:xaxis>>hxy(200,0,2000,200,0,2000)","","hist");
>
> Now I would like to draw these three histograms at once with the scatter
> plot in the center, the x axis profile along the bottom edge of the
> scatter plot, and the y axis profile along the left side of the scatter
> plot. But in order to do this I'd like to transpose the x and y axis of
> hy. Is there any way to do this?
>
> Thanks for the help,
>
> sam waldman
>
>
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