Re: changes to graphics.cc and subplot.m

[Stefan Mahr]

>> The behaviour of subplot with fltk frontend looks strange. Also, the
>> first fltk plot differs from the second.
>>
>> 1) gnuplot
>> graphics_toolkit gnuplot
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>>
>> 2) fltk
>> graphics_toolkit fltk
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>>
>> 3) fltk
>> graphics_toolkit fltk
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>>
>> See attached the screenshot of gnuplot, fltk and fltk second plot. (from
>> left to right)
>>
>> If I use additional figure command before subplot, everything looks ok.
>> graphics_toolkit fltk
>> figure(1)
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
> 
> I'm not seeing a problem.
> 
> graphics_toolkit fltk
> close all
> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
> 
> 
> Then if I repeat the plot ...
> 
> subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
> 
> Can you reproduce the problem when you begin with "close all"?
> 
> Ben
>

Did you restart octave first? Seems that subplot needs to be the first
plot-related command, otherwise the error doesn't occur. That's why it
works if figure(1) is executed before subplot.

Stefan