Jim Vickroy wrote:
> Hello users,
>
> I'm using matplotlib.toolkits.basemap.Basemap to plot data on several
> types of projections at a regular cadence. I am presently regenerating
> the maps each time new data is to be plotted. Is it possible to
> generate template map projections once (at startup) and reuse them each
> time new data is to be plotted? If so, could someone point to a
> reference or example of how to do this?
>
> Thanks,
> -- jv
>
Jim: You can reuse a Basemap instance to plot data on multiple figures,
like this
# create the first figure
fig = pylab.figure()
# create a Basemap instance for your map projection
map = Basemap(...)
# plot some stuff on this map projection.
map.contour(...)
... some other plotting commands ...
# save the figure
pylab.savefig('plot1.png')
# create another figure
fig = pylab.figure()
# use the same basemap instance to different data on this map projection
map.contour(...)
... more plotting commands...
# save the second figure
pylab.savefig('plot2.png')
You can also save the Basemap instance to disk using the Pickle module
and reload it in another script.
-Jeff
--
Jeffrey S. Whitaker Phone : (303)497-6313
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