Re: [matplotlib-devel] colorbar extension size

[Andrew D. <aj...@gm...>]

I forgot to include the link to the Github compare page in my last message:

http://github.com/ajdawson/matplotlib/compare/master...colorbar-extensions

Andrew

On 16 November 2011 12:19, Andrew Dawson <aj...@gm...> wrote:

> I would like some feedback on a new feature I have developed to control
> the length of colorbar extension triangles. This is a feature I have
> desired for some time, so that the plots I produce with matplotlib can be
> more consistent with those produced from other popular plotting software
> (e.g., IDL). I have added a new keyword argument, extendfrac, to the
> ColorbarBase class. This may be set to a scalar, a two-tuple, the string
> 'auto', or  the string 'default'. The behaviour of this keyword depends on
> the setting of the existing spacing keyword argument.
>
> For spacing='uniform' or spacing='proportional':
>     extendfrac=None - sets the lengths of both the minimum and maximum
> colorbar extension triangles to 0.05 times the interior colorbar length
> (the existing hard-coded setting).
>     extendfrac='default' - same as None.
>     extendfrac=FRACTION - sets the lengths of both the minimum and maximum
> colorbar extension triangles to the given fraction of the interior colorbar
> length.
>
> For spacing='uniform':
>     extendfrac='auto' - sets the lengths of both the minimum and maximum
> colorbar extension triangles to be the same as the length of the interior
> boxes.
>
> For spacing='proportional':
>     extendfrac='auto' - sets the length of the minimum colorbar extension
> triangle to the length of the left/bottom-most interior box, and the length
> of the maximum colorbar extension triangle to the length of the
> right/top-most interior box.
>     extendfrac=(FRACTION1, FRACTION2) - as for FRACTION above but the
> minimum and maximum extension triangles may be different lengths.
>
> This is quite a small modification actually, but it does change the API
> for colorbars. I am wondering if this could be included in matplotlib? I
> have set up a fork of matplotlib on Github to implement this feature, if
> anyone thinks it is worth it...
>
> Andrew
>
>