On Monday, Dec 27, 2004, at 15:58 US/Central, Jon Drews wrote:
Sure, you can forward it. Here is the website for Gnuplot:
http://www.gnuplot.info/
links for Windows and Solaris packages too. A Mac os X port is underway.
Thanks, Jon. Below is the latest message. The other person wanted to know if gnuplot would run on an older machine and in text mode. So I glanced quickly through the help system (not too bad) and came up with the example below.
Again, thanks for your pointers.
Regards, - Robert http://www.cwelug.org/downloads Help others get OpenSource. Distribute FLOSS for Windows, Linux, *BSD, and MacOS X with BitTorrent
On Tuesday, Dec 28, 2004, at 12:26 US/Central, Robert Citek wrote:
Here's a sample:
gnuplot> set terminal dumb Terminal type set to 'dumb' Options are 'feed 79 24' gnuplot> plot sin(x)
1 ++----------------**---------------+----**-----------+--------**-----> ++
+ *+ * + * * + sin(x) ****** +
0.8 ++ * * * * * * ++
| * * * * * * |
0.6 ++ * * * * * * ++
* * * * * * * |
0.4 +* * * * * * * ++
|* * * * * * * |
0.2 +* * * * * * * ++
| * * * * * * * |
0 ++* * * * * * *++
| * * * * * * *|
-0.2 ++ * * * * * * *+
| * * * * * * *|
-0.4 ++ * * * * * * *+
| * * * * * * *
-0.6 ++ * * * * * * ++
| * * * * * * |
-0.8 ++ * * * * * * ++
+ * * + * * + * * +
-1 ++-----**---------+----------**----+---------------**+---------------> ++
-10 -5 0 5 10
gnuplot>
For a tutorial on GnuPlot:
http://www.cs.uni.edu/Help/gnuplot/
From a quick glance through the on-line help system, it looks as though gnuplot can generate pdf, png, gif, and other formats, which makes it useful in a web environment. Hmmm, now that would be a neat project: a web interface to gnuplot using php. As a prototype, these worked:
$ echo 'set terminal dumb ; plot sin(x)' | gnuplot
$ echo 'set terminal png ; set output "gnuplot.sine.png" ; plot sin(x)' | gnuplot
BTW, the above was run on a P133 w/64 MB RAM and a 2 GB HDD running Fedora Core 3 and GnuPlot 4.0.0-4 . For info on how FC3 was > installed:
http://www.cwelug.org/cgi-bin/wiki.cgi?FedoraCore3
Good luck and let us know how things go.
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