Re: Unable to set log scale on y axis

Can you send the shortest possible RUNNING script reproducing this problem? Did you check that the minimum of the Y values - error is not null or negative?

Rene brun

Eduardo J. Ortega U. wrote:
> Hi all:
> I am running Root 5.10.00e on SLC3 IA32 GCC323 which is what I get
> when working with Athena at BNL. I have created a multigraph with two
> tgrapherrors on it. The multigraph is drawn ok on linear scale, but if
> i do c1->SetLogy() I get this error:
>
> log scale requested with zero or negative argument
>
> Which makes no sense to me since none of the Y coordinates of the
> grapherrors (nor their errors) are zero or negative. Of course, the
> graph is wrong.
>
> I tried using root 5.16 but got the same results. Am I missing
> something here?
>
> Thanks,
>
> --
> Eduardo J. Ortega U.
Received on Mon Oct 01 2007 - 20:46:08 CEST