Jeff, thanks for your comment
2009/3/2 Jeff Whitaker <jsw...@fastmail.fm>
>
> Jose: I think the key is to only create the basemap instance only once (for
> the main plot and for the inset), then re-use that basemap instance each
> time you create an animation frame.
That helps in memory consumption, and that's something I looked into.
However, my basemap instances are defined (in the case of the inset) as:
m2 = Basemap(projection='ortho',lon_0=6,lat_0=-12,ax=ax2)
Actually, they both have references to axes. The bit I don't really
understand is how to define my basemap only once and then just "hang it"
from some axes.
Additionally, I am warping a fairly large image (not shown in my example),
so that it takes quite a long time to process. This is only seldom updated,
so I could just save the background and overlay on it my data. As I see it,
even if I recycle the basemap instance, I'd still have to go through the
process of warping my image, extracting coastlines, etc. It would be faster
to just save it, and recreate it whenever it is necessary. I don't really
know how to do this.
I have changed my code by shamelessly copying from your previous advice ;p
(see <http://pastebin.com/f4eaedd7>). Things improve a bit, but my
parllels/meridians are not aligned with the map. Clearly I'm still missing
something!
Many thanks for your help,
Jose
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