Re: TH1D problem

Could you send the shortest possible RUNNING script reproducing this problem?

Rene Brun

Roger Mason wrote:
> Hello,
>
> I'm making TH1D's with fairly large numbers in the bins. After a
> certain size I get these warnings:
>
>
> Warning in <TCanvas::ResizePad>: Inf/NaN propagated to the pad. Check
> drawn objects.
> Warning in <TCanvas::ResizePad>: canv height changed from 0 to 10.
>
>
> and the histogram is not plotted.
>
> The highest bin value that is plotted successfully looks to be around 6
> x 10^65.
>
> Is there a limit on the size of the Double_t that can be plotted in a
> histogram? It is certainly possible to assign much larger numbers to a
> Double_t, for example:
>
> root [31] Double_t bignum = 1e300
> root [32] bignum (Double_t)1.00000000000000005e+300
>
> I'd appreciate any hints on how to work round this.
>
> Thanks,
> Roger
>
> ROOT 5.20/00 (trunk_at_24524, Sep 30 2008, 15:32:00 on linux)
>
>
Received on Sat Mar 21 2009 - 18:35:28 CET