[rrd-users] Second y-axis on plot?

Rob Newman rlnewman at ucsd.edu
Wed May 2 20:32:53 CEST 2007

Hi everyone,

I am plotting 2 different data sources on one graph, each of which  
have very different maxima and minima. Due to plotting on the same  
graph with the same scale, changes in values are often masked. Is  
there a way to get rrdtool graph to create a second y-axis and plot  
one of the data sources on the second y-axis?

I searched online and in the documentation for an answer, but did not  
come up with anything. If this is not possible, I know I can  
normalize one of the data sources, so they have similar values, but a  
second y-axis would be nicer.

Thanks in advance,
- Rob

Rob Newman Ph.D.
Institute of Geophysics and Planetary Physics
Scripps Institution of Oceanography
University of California, San Diego
9500 Gilman Drive, La Jolla, CA 92093-0225, USA

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