Re: [Matplotlib-users] Map displayed on a plot

[Aman T. <ama...@gm...>]

Here is an example of the general usage for an orthographic projection.

def genMap(fig, ax, llcrnrlon,llcrnrlat,urcrnrlon,urcrnrlat):
        fig.sca(ax)
        m =
Basemap(resolution='i',projection='ortho',lon_0=(urcrnrlon+llcrnrlon)/2,lat_0=(urcrnrlat+llcrnrlat)/2)
        m.drawcoastlines()
        m.drawmapboundary(fill_color='aqua')
        m.drawstates(linewidth=3)
        m.fillcontinents(color='coral',lake_color='aqua')
        m.drawcountries(linewidth=3)

where:
llcrnlon = lower left corner longitude
llcrnlat = lower left corner latitude
urcrnlon =upper right corner longitude
urcrnlat = upper right corner latitude


On Fri, Aug 27, 2010 at 1:39 PM, Brian Larsen <bal...@la...> wrote:

> Ben,
>
> I have but no where in there do I see (or at least understand) how to draw
> a map on top of a current figure with set bounds in data space...
>
> Cheers,
>
> Brian
>
>
> On Aug 27, 2010, at 11:24 AM, Benjamin Root wrote:
>
> On Fri, Aug 27, 2010 at 12:11 PM, Brian Larsen <bal...@la...> wrote:
>
>> Hello all,
>>
>> I am plotting satellite orbit files and it looks really nice to plot an
>> Earth in the center with the continents on it to orient people to where the
>> spacecraft is.  Does anyway know how to do this?  All I seem to be able to
>> do is create a whole globe as the figure.
>>
>> In this simple example:
>>
>> from pylab import *
>> r = ndarray(40)
>> r[:] = 3.3
>> rad = linspace(0, 2*pi, 40)
>> figure()
>> subplot(111, polar=True)
>> plot(rad, r, lw=3)
>> draw()
>>
>>
>> wouldn't it look great to have the earth plotted in the space up to 1.0
>> (as measured in earth radii)?
>>
>> Thanks much,
>>
>> Brian
>>
>>
>>
> Have you checked out the basemap tool?
>
> http://matplotlib.sourceforge.net/basemap/doc/html/
>
> Ben Root
>
>
>
>
>
>
> --
>
> Brian A. Larsen
> Space Science and Applications
> Group ISR-1
> Los Alamos National Laboratory
> PO Box 1663, MS-D466
> Los Alamos, NM 87545
> USA
>
> (For overnight add:
> SM-30, Bikini Atoll Road)
>
> Phone: 505-665-7691
> Fax:   505-665-7395
> email: bal...@la...
>
> Correspondence /
> Technical data or Software Publicly Available
>
>
>
>
>
>
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-- 
Aman Thakral
B.Eng & Biosci, M.Eng Design