m_map and GNU Octave for map projection aka sphere mapping

[David Bateman]

Eric Chassande-Mottin wrote:
> [resent because of an oversized attachment]
> 
> 
> I have tried to use the package m_map to make
>  map projection which you can get here:
>  http://www.eos.ubc.ca/~rich/map.html
>  See the site to get an idea of the types
>  of available mappings. Those include Mollweide
>  which I wanted.
> 
>  I have tested some of the
>  demos scripts and the package works
>  pretty much "out of the box" with octave 3.0
>  and gnuplot 4.2. I give below a script that generates
>  the Mollweide map of some function.
>  the resulting plot looks good but it would be useful that
>  "educated" users checks that it indeed makes
>  sense.
> 
>  as far as I have seen, map projection is a missing
>  feature of GNU Octave. so this is good news.


If you have gnuplot 4.2.2 as well you'll get tic marks and a scale on
the colorbar, without which its not much use..

D.