'paperpositionmode' change to rid gnuplot_set_term: size is zero

[Ben Abbott]

On Jan 3, 2009, at 5:07 PM, Michael Goffioul wrote:

> On Sat, Jan 3, 2009 at 9:38 PM, Ben Abbott <bpabbott at mac.com> wrote:
>> In a nutshell ... I'd like to be able to set the default values for
>> properties representing vectors. For example, figure.paperposition  
>> where
>> we'd like the default to be [0.25, 2.5, 8, 6]. I don't see how this  
>> can be
>> done. In graphics.h.in I can set each element to the same value  
>> (all zeros
>> for example), but I don't see how to set the default to a vector with
>> differing values.
>
> You can't. To achieve that, you have to use an indirect way. See for
> instance what I did to set the default figure position in  
> graphics.h.in.
> Another way would be to have a utility function like
>
>  Matrix make_vector(int n, ...)
>
> that you could use in graphics.h.in to initialize properties with
> predefined vector. The implementation of such function would use
> stdargs.h or varargs.h.
>
>> Then there is the problem that the defaults are set after the  
>> callbacks are
>> in place, which changes some of the defaults. As you point out this  
>> can be
>> easily fixed, but I'd think it more proper to set the defaults  
>> prior to
>> setting up the callbacks.
>
> I'm not sure what's the best in this specific case. If you want to
> force a default value for xtick, then it makes sense to also have
> xtickmode set to manual, otherwise your default xtick value would
> be useless and immediately overwritten by the system as xtickmode
> would be auto. Could anybody check what happens under Matlab:
>
> close all
> set(0, 'defaultaxesxtick', [0:1:10])
> get(gca, 'xtick')
> get(gca, 'xtickmode')
>
> Michael.

Excellent point!

 >> close all
 >> set(0, 'defaultaxesxtick', [0:1:10])
 >> get(gca, 'xtick')
 >> get(gca, 'xtickmode')

ans =     0     1     2     3     4     5     6     7     8     9    10

ans = manual

Thanks for the guidance.

Ben