Today Iain Buchanan wrote: > > Milan Obuch wrote: > > On Thursday 13 June 2002 16:00, you wrote: > > > >>There's 2 things imho that could be improved in rrdtool: > >> > >>1. Make it possible to use something other than (epoch) time for the > >>x-axis. I might wanna plot altitude to distance or something. > > > > > > rrd is optimized for displaying time series data. I am not sure if > this is OK > > to implement - rrd is not intended for general graph creation. > > I understand that there would be complications with altering rrdtool > such that it could handle different types of data, but the reason I > first started using it was for its (superior :) graphing capabilities. > I looked high and low for a similar 'free' tool to create graphs and > found none. I would like to see rrdtool extended to handle time data > that occurs more than once a second, or where an accuracy of greater > than once a second is required.
this can certainly be done and has been discussed on the developers list ... check the archives ... > > <snip> > >>3. Make it possible to get all input from standard in, not from file.rrd > > It is a small trade off to create an rrd first before creating the > graph, but I would be curious to see how a stdin interface to rrdgraph, > much like rrdtool update, would work (my data comes all at once with > time stamps). But then thinking about it, rrdtool would have to store > this data somewhere anyway while it was waiting for it to finish > arriving, hence an rrd! the way todo this is provide an alternate rrd_fetch function ... but it would be up to you to provide data evenly spaced along the time axis ... tobi > > > <snip> > > > -- ______ __ _ /_ __/_ / / (_) Oetiker, ETZ J97, ETH, 8092 Zurich, Switzerland / // _ \/ _ \/ / phoneto:+41(0)1-632-5286 faxto:+41(0)1-632-1517 /_/ \.__/_.__/_/ [EMAIL PROTECTED] http://google.com/search?q=tobi -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
