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Re: recent change to __go_draw_axes__


From: Ben Abbott
Subject: Re: recent change to __go_draw_axes__
Date: Sat, 09 Feb 2013 20:03:26 -0500

On Feb 9, 2013, at 7:37 PM, Ben Abbott wrote:

> On Feb 9, 2013, at 5:27 PM, John W. Eaton wrote:
> 
>> After this change:
>> 
>> # HG changeset patch
>> # User Ben Abbott  <address@hidden>
>> # Date 1360366055 18000
>> # Node ID 1e35b64ac31ade05453c03bacb9df73ab05b387e
>> # Parent  5b2126a8c84fa4624c737e5921362b79a0e879d4
>> Pad binary data to gnuplot with a space
>> 
>> * scripts/plot/private/__go_draw_axes__.m: Add a space to the end of each
>> binary record.  Fixes the "nset obj 1;\n <- line 0: invalid command".
>> 
>> diff --git a/scripts/plot/private/__go_draw_axes__.m 
>> b/scripts/plot/private/__go_draw_axes__.m
>> --- a/scripts/plot/private/__go_draw_axes__.m
>> +++ b/scripts/plot/private/__go_draw_axes__.m
>> @@ -2027,6 +2027,7 @@
>>        endif
>>      endif
>>    endif
>> +  fprintf (plot_stream, "\n # pad binary data with a space\n")
>> 
>>  endfunction
>> 
>> I'm seeing output like this when making some of the figures for the
>> manual:
>> 
>> $ ../../run-octave -f -q -H -p . --eval "geometryimages ('voronoi', 'eps');"
>> 
>> multiplot> 
>> �-���?�;[G�&�?Ȟ�ف�?;�����?0a$"�?J���?X�x����?�F��?�T3t��?�+ܣ��?�Q���w�?���:��?j=���6�?�
>>            ^
>>            line 0: 
>> 
>> 
>> multiplot> 
>> k���?y�,Hy��?�&���?���&���?Lî\��?�D��Zx�?/-Y(!��?1`�+�:�?�5�6�e�?�)ӻ���?����C�?�{i�7��?��,
>>                           
>> �?j�򫟇�?gD�}J��?���/N�?�������?R5b���?�����?_�W���?�7N��~�?�(a��?g�g�Q�?YwW�u�?)�—�#�?"��KB�?�������?�j���?�ker��?z��?��?�����?��
>>       �e�?:I�fj[�?3t��}
>> ����?�Z                �?�����%�?=��?�<�����?N/*  d�?Z�
>>             ^
>>            line 0: 
>> 
>> 
>> What problem was the extra blank line attempting to solve?  Maybe it
>> works with some versions of gnuplot and not others?  I'm using 4.6.0.
>> 
>> jwe
> 
> John,
> 
> I'm using ...
> 
>       $ gnuplot --version
>       gnuplot 4.6 patchlevel 1
> 
> The 4.6-1 I never encountered the "nset obj 1" problem, and the change had no 
> effect.  I recall that the gnuplot list had a thread complaining that the 
> binary segments were difficult to maintain and that it might be a good idea 
> to deprecate them.  As far as I know, that never happened, but it does 
> indicate the bug may be there.  
> 
> I'll try Ubuntu via VBox and see if I can duplication your result.
> 
> Ben

John,

On Ubuntu, I have gnuplot 4.6 patchlevel 0, and I'm unable to duplicate the 
problem you encountered.

Ben



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