Re: gnuplot: any recent updates
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- Subject: Re: gnuplot: any recent updates
- From: Graham Henstridge <graham@...>
- Date: 2009年5月25日 15:07:34 +1000
Hi
Thanks for the feedback - seen comments below. We will be updating to
gnuplot 4.2 from 4.0 next month, so may have other issues then.
Thank you
Graham
On 25/05/2009, at 2:02 PM, Wesley Smith wrote:
Thanks for the link. I just started working with it. A few comments:
- the system variable is not defined at all on startup and gives
errors. I think this should be given reasonable defaults. Here's
what I used:
system = {
plotPath = "/usr/bin/",
tempPath = "./TestData/",
plotImagePath = "./plots/",
}
From memory in our system, "system" is global and defined else where
- but point taken, it should (and will) be documented as such.
I found the comments about these path in plot.lua misleading,
especially since tempPath seems to double as a data path.
The yes the paths may seem a little unorthodox, but the code is
embedded in hardware with limited resources - so compromises are made.
Data is frequently written to volatile tmp areas until we are certain
it needs to be archived.
- I had to add a "set terminal png" to the gnuplot script output to
get it to work. Otherwise, I had a png of 0 bytes. Here's the
modified output:
reset
set terminal png
set output "./plots/vibration.png"
This is a surprise and we will investigate when moving to v4.2.
plot \
"./TestData/dog" using 1:2:3:4 title "catsdogs1" with vectors, \
"./TestData/dog" using 5:6:3:4 title "catsdogs2" with vectors
unset multiplot
This is with:
Version 4.2 patchlevel 3
last modified Mar 2008
System: Linux 2.6.27-11-generic
wes