William R. Lorenz ha scritto: > Hi, > > I'm looking to take 2-4 unique RRD files that plot the same data from > different perspectives (i.e. temperature readings from four different > sensors) and average all the data points together into one graph line. > > Is there a CDEF, VDEF, or other such function that will allow me to > average more than one data source together for this rrdgraph purpose? > > If someone could point me to the applicable section of documentation > and/or has an example, I'd be very appreciative. Thanks, in advance. >
Hi, try this way if t1, t2, t3, t4 are the 4 temperatures, CDEF:med=t1,t2,+,t3,+,t4,+,4,/ then plot LINE1:med#FF0000........ Hope this helps _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
