Re: fixed bin width

John wrote:
> OK, get it ... what I have done in the past is to maintain the values
> that I am going to use to fill my histogram in a data structure (a
> simple array for example). Then I figure my limits and proper binning.
> It is only at the very end that I define the histogram and procced to
> fill it up from the array. I don't know if you like this idea. If you
> need an example let me know.
>
> Did you noticed that TH1F::Fill(Double_t x) returns -1 when you enter a
> value out of range ? That helps you out detecting when you are filling
> out of the defined range.

Yeah, i just seen this :) that would help me to hack an personal version of Fill .. but its already too much trouble, more than using a tree. Thanks,
Best regards,
Adrian

> cheers,
>
> John Idarraga
> UMontreal