[rrd-users] Find the DEF and value at x, y on graph image (for mouse-over)?

Tobias Oetiker tobi at oetiker.ch
Mon Nov 19 23:09:05 CET 2007

Hi Einar,

well ... rrdgraph seems to have a quite attractive feature set
since people are looking into ways of using it directly with SQL
database backends and such ... holt winters is in the rrd database
and not in the grapher.

Today Einar Indridason wrote:

> On Nov 19, 2007 9:50 PM, Tobias Oetiker <tobi at oetiker.ch> wrote:
> > Hi Einar,
> >
> > rrdtool already is well separated in its architecture ... each of
> > the functions could be built as a separate tool with minimal effort
> > so the question is probably more to what the goal of a split would
> > be ?
> Yes, I'm aware of the modular thoughts behind the curtains :-)
> I'm looking at rrdgraph in particular, and how it seems to accumulate
> more and more options over time.  We have (for example) ideas of
> having different valued/labeled y-axis on either side, we have
> different fonts available, we have different graphical libraries to
> link in, we have the "prediction" modules/commands (Holst?  I'm not
> too upto date on those prediction modules), we have the VDEFs....
> And... somehow I have a nagging feeling that rrdgraph is slowly
> accumulating a bit of cruft.
> This is just a feeling I have, nothing concrete, and I'm quite willing
> to admit I'm wrong in my feelings about rrdgraph.
> And, before I forget... Thanks for rrd :-)
> Cheers,
> --
> EinarI

Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902

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