Octave + GNUPlot + Aquaterm + Mac OS 10.6 - macos

Question

I'm attempting to do all of my MatLab based homework assignments in Octave - the opensource representation of MatLab.
However, I'm having problems getting graphs to plot and I think it's a simple linking problem. I am running:
-Mac OS X Snow Leopard (10.6)
-Octave 3.2.2
-Aquaterm 1.0.1
-GNUPlot 4.0
Here is an example of the errors that I am getting from my shell:
Mr-Buffalo:~ buffingtonr$ gnuplot
dyld: Library not loaded: /usr/local/lib/libaquaterm.1.0.0.dylib
Referenced from: /usr/local/bin/gnuplot
Reason: image not found
Trace/BPT trap
octave-3.2.2:1> f = inline('x^2')
f(x) = x^2
octave-3.2.2:5> ezplot(f)
dyld: Library not loaded: /usr/local/lib/libaquaterm.1.0.0.dylib
Referenced from: /usr/local/bin/gnuplot
Reason: image not found
dyld: Library not loaded: /usr/local/lib/libaquaterm.1.0.0.dylib
Referenced from: /usr/local/bin/gnuplot
Reason: image not found
error: you must have gnuplot installed to display graphics; if you have gnuplot installed in a non-standard location, see the 'gnuplot_binary' function
octave-3.2.2:6>
I don't have the unix foundation necessary to trouble shoot this. Any suggestions/fixes?

Answer 1

the problem could be related to this
http://macresearch.org/gnuplot-aquaterm-snow-leopard-1061
in the answer: Fri, 2009-09-18 01:59 — TeGa

Answer 2

You have aquaterm 1.0.1 installed, and gnuplot is referencing 1.0.0, which you apparently do not have installed on your system.
I'm not terribly familiar with installing a library on a Mac, but you might be able to just grab the 1.0.0 .dmg file from the Aquaterm files page on Sourceforge.
Alternatively, the newest version of octave or gnuplot might reference the newer library, so you might be able to just upgrade one of those instead.
It's a real hack, but I saw a couple places (including this mailing list) suggesting you just link 1.0.0 to your 1.0.1 library. This isn't usually acceptable, because there's no guarantee the libraries are cross-compatible. It would at least be a quick fix so you can get your homework done in time!

Answer 3

New Progress
When I investigated '/usr/local/lib/', I found that there was a symbolic-link in the directory:
aquaterm-1.0.0 -> /Library/Frameworks/AquaTerm.framework/Versions/A/AquaTerm
So I created a similar sym-link to make the file gnuplot is looking for (...1.0.1) point to the default AquaTerm location:
aquaterm-1.0.1 -> /Library/Frameworks/AquaTerm.framework/Versions/A/AquaTerm
This fixes the gnuplot launching issue. I verified that gnuplot successfully plots on its own by plotting a function:
Terminal type set to 'x11'
gnuplot> plot sin(x)
Now I get new errors in Octave:
octave-3.2.2:7> ezplot(f=inline('sin(x)'))
gnuplot> set terminal aqua enhanced title "Figure 1"
^
line 0: You can't change the terminal in multiplot mode
gnuplot> if (exists("GPVAL_TERM")) print GPVAL_TERM; else print NaN
^
line 0: invalid expression
error: Invalid call to strcat. Correct usage is:
-- Function File: strcat (S1, S2, ...)
However, I have verified that gnuplot 4.0 is installed and does, in fact, plot graphs. So now it seems the error is in the communication between Octave and GNUPlot. I will try updating to a newer version of gnuplot if possible and report back.
-Buffalo

Answer 4

This worked for me:
Step 1:
Replace /Library/Frameworks/AquaTerm.framework with /opt/local/Library/Frameworks/AquaTerm.framework. This will ensure that the correct 64 bit AquaTerm libraries get referenced by the gnuplot compilation
Step 2:
Replace /Applications/AquaTerm.app with /Applications/MacPorts/AquaTerm.app. This will ensure that the correct 64-bit AquaTerm binary is in the correct location
source:
http://slashusr.wordpress.com/2010/01/17/gnuplot-with-aquaterm-on-osx-snow-leopard/