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Re: using gnuplot 4.2


From: LUK ShunTim
Subject: Re: using gnuplot 4.2
Date: Fri, 27 Jul 2007 18:18:39 +0800
User-agent: Mozilla-Thunderbird 2.0.0.4 (X11/20070622)

Ares wrote:

[snipped]

>>>
>>> anyway, I searched for gnuplot bin files and there are two of them,
>>> /usr/bin/gnuplot and /usr/local/bin/gnuplot, the first corresponds to
>>> gnuplot 4.0 and the second to 4.2. If I simply type gnuplot, it opens
>>> gnuplot 4.2, so this should already be prior to 4.0 (and octave should
>>> use this instead?)
>> In this case, gnuplot 4.2 should be found first. I don't think octave
>> hard-coded the path. Perhaps more knowledgeable users can confirm.
>>
>> Just to be sure, what does "echo $PATH" show? Is /usr/local/bin in front
>> of /usr/bin?
> 
> yes it is.
> 
> 

[snipped]

> 
>>> I think that the problem is "how to tell octave to use 4.2 version of
>>> gnuplot"? and also, how to tell which version of gnuplot octave is
>>> using? and is it true that octave is supposed to call gnuplot 4.2 to
>>> show images (and plot on top of them)?
>>>
>>> If I use imshow, octave keeps on using image magick...
>> Because somehow octave failed to find gnuplot 4.2 and hence it tries
>> other viewers. See "help imshow".
>>
> 
> unfortunately help imshow doesn't tell me anything about the viewer
> used by imshow...

I mean "help image". -(. It will tell you that that octave tries to use
gnuplot 4.2 if it can be found.

See if this hackish trick works. Inside the octave prompt, enter

gnuplot_binary("/usr/local/bin/gnuplot");

Regards,
ST
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