[rrd-users] --logarithmic fails without --lower-limit

[Beat Zahnd]

Hello all,

I have some problems with the --logarithmic option in rrdgraph. I fails
to find the lower limit and data is displayed as a straigt horizontal
line.

I use rrdgraph to graph the pressure in a vacuum chamber with values
between 1e+3 and 1e-11. Sometimes the value remains constant, lets say
at 3.5e-9 and has short peaks to 5.0e-9. In this case y-axis labeling is
a critical point to.

Any ideas where and how to change what. In the same time i use the
rrdtool for linear temperature data. Therefore a global hack is not the
right solution.


Thanks,

Beat

-- 
Beat ZAHND
Physics Institute
University of Bern                   phone  +41 31 631 3466
Sidlerstrasse 5                      fax    +41 31 631 4405
CH-3012 Bern (Switzerland)  mailto:beat.zahnd at phim.unibe.ch

       http://www.phim.unibe.ch/rosina/rosina.html
                http://rosetta.esa.int/

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