Hi Mike,
Thanks for your suggestions.
In the CVS version:
-the algorithm with fgMaxDigits is only applied to the y axis for 1-d
histogram and the z axis for 2-d histograms.
-When an exponent is drawn with 10^N, N is always a multiple of 3
Rene Brun
Mike Kordosky wrote:
>
> Hi,
>
> I'm trying to improve my logon file so as to decrease the amount of time
> spent polishing figures. One continual problem is the overlap between
> numbers on the ordinate and the title. I know that one can set pad
> margins, title size, label size, center the title, etc. Usually some
> combination of the above can resolve any specific problem. However, it
> isn't general. As a general solution I'd like to do the following:
>
> (1) Restrict the ordinate to no more than N digits:
>
> I see that TGaxis has a static member function which does this. Super.
> However, one might want to do something different on the abscissa since it
> usually represents some observable for which there are typical or natural
> units. The ordinate, on the other hand, is often arbitrary. Additionally,
> the problem of labels running into titles doesn't exist for the abscissa.
> So, it would be nice to be able to specify the number of digits on the
> ordinate and abscissa independently.
>
> (2) Force labels into a common precision when there is an exponent:
>
> If I do:
>
> TGaxis::SetMaxDigits(2)
>
> and then end up drawing a figure with an ordinate range in the thousands,
> I see a labeling like:
>
> "0 5 10 20 ... x10^{2}"
>
> This looks unconventional. I'd much rather have something like:
>
> "0.0 0.5 1.0 2.0 ... x10^{3}"
>
> Am I missing a workaround that will let me force this sort of labeling in
> the general case?
>
> If there are no existing workarounds for my problem, would it be possible
> to implement:
>
> a) TGaxis::SetMaxDigits(int n, Option_t* axis ="XYZ")
> b) Global axis label formatting instructions along the lines of printf?
>
> I use ROOT 4.00/03 built w/ gcc 3.2 on a linux pc.
>
> regards,
>
> mike kordosky
>
> --
> Graduate Research Assistant // High Energy Physics Lab
> kordosky@hep.utexas.edu // University of Texas at Austin
> kordosky@fnal.gov //
> ph: (512) 471-8426 (RLM Lab, Office)
> (512) 475-8673 (ENS Lab)
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