Patrick Marsh wrote:
> Greetings,
>
> I have global data that I would like to plot using 
> mpl_toolkits.basemap.  The catch is that I want to mask out all data 
> over the ocean.  I know there is a function to fill 
> continents,map.fillcontinents(), but I can't seem to find one for 
> filling oceans.  Ideally, I want the oceans to show up with a white 
> background and no data contoured.
>
> Am I completely missing something or is this functionality missing?
>
>
> Thanks,
>
> -- 
> Patrick Marsh
> Graduate Research Assistant
> School of Meteorology
> University of Oklahoma

Patrick:  There is a drawlsmask method that can fill ocean and land 
pixels different colors.  See 
http://matplotlib.sourceforge.net/basemap/doc/html/api/basemap_api.html 
for details.  You can make the land transparent, and the ocean white for 
example. 
It's based on a 5 minute land/sea mask dataset, although you can use 
your own (as long as it's global and defined on a regular lat/lon grid).

-Jeff
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