Re: Blank image() plot from Octave-3.6.4 on OS X with gnuplot-4.6.1 and aquaterm-1.1.1

[Alexander Hansen]

On 2/23/13 6:52 PM, Ben Abbott wrote:
> 
> On Feb 23, 2013, at 5:24 PM, Alexander Hansen wrote:
> 
>> On 2/23/13 2:43 PM, Ben Abbott wrote:
>>> On Feb 23, 2013, at 4:36 PM, Alexander Hansen wrote:
>>>
>>>> On 2/23/13 2:07 PM, Ben Abbott wrote:
>>>>> On Feb 23, 2013, at 11:11 AM, Alexander Hansen wrote:
>>>>>
>>>>>> #Test case:
>>>>>>
>>>>>> A(1:512,1:512)=0;
>>>>>> A(256-10:256+10,256-10:256+10)= 255;
>>>>>>
>>>>>> #then either
>>>>>>
>>>>>> imagesc(A)
>>>>>>
>>>>>> #or
>>>>>>
>>>>>> image(A)
>>>>>>
>>>>>> I saw the bug reports about this issue:
>>>>>>
>>>>>> https://mailman.cae.wisc.edu/pipermail/help-octave/2012-October/054888.html
>>>>>>
>>>>>> http://sourceforge.net/tracker/?func=detail&aid=3583459&group_id=2055&atid=102055
>>>>>>
>>>>>> but apparently it wasn't fixed.
>>>>>>
>>>>>> Is there a workaround other than changing the plot terminal?
>>>>>
>>>>> Not a desirable solution .... but did you try to revert to an earlier 
>>>>> version of gnuplot?
>>>>>
>>>>> Ben
>>>>
>>>> No, because I didn't have one handy.  This was in response to a bug
>>>> report against what we currently have in the Fink distribution (well,
>>>> really against Octave-3.6.3, since this was just before I added 3.6.4),
>>>> and I gave the OP the links as well as suggesting changing the terminal
>>>> type as a workaround.
>>>>
>>>> I'd rather not downgrade gnuplot globally unless I absolutely have to,
>>>> since other packages use it besides Octave.
>>>
>>> I did try to patch Octave gnuplot code to append "failsafe" to the plot 
>>> command, but found that gnuplot would hang for your example.
>>>
>>> Sorry, I don't have a work around, but I'll give some more thought to it.
>>>
>>> Ben
>>
>> It wasn't hard to make up a package description for gnuplot-4.6.0, and
>> the test case worked using that.
>>
>> Since I've got a ludicrously large gnuplot namespace (10 package names)
>> already, I don't think I'll make up separate gnuplot-4.6.0 packages.
>> It's easy enough for me to add 4.6.0 back as an additional option and to
>> tell folks about the problem and workarounds in the user-visible package
>> information for our Octave packages.
> 
> I let the gnuplot developers know.
> 
>       https://sourceforge.net/p/gnuplot/bugs/1188/
> 
> Ethan Merritt has suggested we try to revert the patch below.
> 
>       
> http://gnuplot.cvs.sourceforge.net/viewvc/gnuplot/gnuplot/term/aquaterm.trm?r1=1.43.2.1&r2=1.43.2.2
> 
> Do you have time to confirm that will fix the problem?
> 
> Ben
> 

Yeah, reverting that fixed the issue.

-- 
Alexander Hansen, Ph.D.
Fink User Liaison
My package updates: http://finkakh.wordpress.com/