Hi Anonymus, Norrdtooldoes not support this ... but it isaninteresting idea. feel free to submit a patch: github.com/oetiker/rrdtool-1.x Tobias Oetiker
[email protected] 062 775 9902 > On 23.02.2014, at 14:18, sminc <[email protected]> wrote: > > Do --lower-limit or --upper-limit accept VDEF variables as values ? > > All the examples I have seen use actual numeric values within the > upper/lower commands to fix the Y-axis but I would like to have it more > dynamic based on the values within the graph itself. > > I have a set of data (hard disk temperatures) which I have manipulated with > CDEF and VDEF to arrive at simple numeric values related to the maximum and > minimum temperature seen on the graph. These are stored in VDEF variables. > > I can plot LINEs using the above VDEF values for position yet when I use the > same VDEF variable names in the lower/upper limit commands they are either > ignored or force the wrong scale. > > I realise that auto-scaling is doing this for me but I would like more > control. > > I can substitute variables into the lower/upper commands from outside the > rrdtool graph command with $variable etc but then cannot see a way of > creating the same values I found via CDEF and VDEF via the script (using > rrdtool fetch etc). > > So my question is, should this work and I am doing it wrong or does > upper/lower-limit not support VDEF substitution for values ? > > I am running RRDTOOL on a synology NAS as a pre-compiled IPKG package, > listed as version 1.2.30-1 > > > Many thanks. > > > > -- > View this message in context: > http://rrd-mailinglists.937164.n2.nabble.com/Upper-Lower-limit-and-VDEF-tp7581778.html > Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com. > > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
