Re: changes to graphics.cc and subplot.m

[Ben Abbott]

On Jul 21, 2013, at 1:53 PM, Stefan Mahr wrote:

>> Looking a second time, I see Dimitri's result only differs in the 4th 
>> decimal place, while Stefan's differs in the first decimal place.  Stefan, 
>> can you try a fresh build and confirm your result persists?
>> 
> 
> I get the same result with a fresh rebuild. My Ubuntu PPA build (always
> fresh clone+bootstrap) shows this behavior as well.
> 
> Dimitri's plot looks very similar to the output of my first plot. The
> y-axis of the lower plot is smaller than the y-axis of the plot above.
> 
> Just found out that the error occurs every time when a new plot window
> is opened, not only on fresh restart of octave as I said before. It
> doesn't matter if I close the old figure or open a new one with figure(x).
> 
>  graphics_toolkit fltk
>  figure
>  subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>  %% plot looks normal
> 
>  close all
>  subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>  %% the y-axis of lower plot is to small
> 
>  subplot(2,1,1); plot(rand(10,1)); subplot(2,1,2); plot(rand(10,1))
>  %% both plots have small y-axis
> 
> Stefan

Thanks! ... I'm now able to write a test script that clearly demonstrates the 
problem.  "test stefan" fails for me as well.

I'll push a change to add this test to graphics.cc and file a bug report.

Ben

stefan.m
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