Re: [Matplotlib-users] basemap plots

[Lionel R. <lro...@li...>]

Work very fine here, thanks for the links.

Le Vendredi 07 Juillet 2006 10:11, dd...@ja... a =C3=A9crit=C2=A0:
> On Friday 07 July 2006 4:11 pm, Lionel Roubeyrie wrote:
> > Hi all,
> > Is it possible to import colormap file from GMT (.cpt) to basemap?
> > If yes how can we do that?
> > Thanks
>
> It's possible. Here's how I've been doing it.
>
> (1) I use the gmtcolormapPylab function defined in:
> http://sourceforge.net/mailarchive/message.php?msg_id=3D11255878
>
> (2) Using the above function and a GMT cpt file (e.g.
> GMT_no_green.cpt), I set a color dictionary as:
> cdict =3D gmtcolormapPylab("GMT_no_green")
>
> (3) I define a colormap using:
> mycmap =3D cm.colors.LinearSegmentedColormap("GMT_no_green",cdict,256)
>
> (4) I apply the above using cmap=3Dmycolormap in contourf or pcolormesh.
>
> By the way, in case you don't know of the following site, it has an
> exhaustive selection of color palettes: http://cpt-city.org.uk/
>
> I've also attached an example of a basemap image using a cpt from the
> above site. Masked values not defined by the colormap are shown in
> gray.

=2D-=20
Lionel Roubeyrie - lro...@li...
LIMAIR
http://www.limair.asso.fr