Ahh, I spent quite a while scratching my head about this with some
of our graphs here. In the end I gave in as I couldn't see any good
reason why it seemed to work some times but not others.
Thanks for letting us know this is now fixed, look forward to the
release :)
Regards
Steve
----- Original Message -----
From: "Tobias Oetiker" <[EMAIL PROTECTED]>
> there is a 'bug' in rrdtool graph, where it fetches one 'step' more
> data than is visible in the graph. This data is often 'nan'.
>
> The LAST vdef shows you the last non NAN value. In normal operation
> this works fine, but if you first convert all NAN values to 0, LAST
> will show you zero since the last fetched value which was NAN was
> turned into zero.
>
> anyway, I have fixed this problem in svn, in the next release of
> 1.2.x as well as 1.3.0 it is fixed, so that even when you turn nan
> to zero, you will get the last value visible on the graph.
>
>
> see http://oss.oetiker.ch/rrdtool-trac/changeset/1386
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