Re: [Matplotlib-users] Background basemaps in Basemap

[Jeff W. <jef...@no...>]

On 8/28/12 9:56 AM, klo uo wrote:
> On Mon, Aug 27, 2012 at 9:32 PM, Jeff Whitaker wrote:
>> Klo:  Yes.  And vice versa, some of those 4500 projections aren't supported
>> by Basemap.
>>
>> Anyway, I went ahead and created a prototype 'wmsmap' method. You can try it
>> by cloning my fork (https://github.com/jswhit/basemap) and running
>> examples/testwms.py.  I created an extra kward 'epsg' for creating Basemap
>> instances. To use the wmsmap function, you have to use that keyword.  Give
>> it a try and let me know what you think.
> Jeff it looks great, everything is parametrized including server name
> and map name, so it should work for any additional service.
> However on Windows with Python 2.7 and Basemap 1.0.5 I get an error
> while trying to run the script:

Klo:  Just added a pull request for this

https://github.com/matplotlib/basemap/pull/73

Regarding your windows error - you have to rebuild basemap to get the 
needed updates (it's not just a matter of running the testwms.py script).

-Jeff
> ========================================
> Traceback (most recent call last):
>    File "testwms.py", line 39, in <module>
>      m=Basemap2(epsg=epsg,resolution='h',width=width,height=height)
> TypeError: __init__() got an unexpected keyword argument 'epsg'
> ========================================
>
> I than added initial empty "epsg" arg to original Basemap class
> declaration, but then after some time processing I get:
> ========================================
> warning: width and height keywords ignored for Cylindrical Equidistant
> projectionEPSG:
> Traceback (most recent call last):
>    File "testwms.py", line 47, in <module>
>      m.drawparallels(np.arange(0,80,1),labels=[1,0,0,0])
>    File "testwms.py", line 15, in wmsmap
>      if not hasattr(self,'epsg'):
> AttributeError: 'Basemap2' object has no attribute 'epsg'
> ========================================
>
> So I leave it for now and assume it's some tiny issue not obvious at
> this time to me.
>
> I'll continue WMS search, but yesterday I spent couple of hours just
> to look at those beautiful maps provided on arcgis server. I explored
> on all and it's so nicely done and with high resolution zoom. They are
> annotated though, but again, see i.e. Ocean Basemap, or overlay with
> transparency over some more colored topo map like GEBCO_08 from
> maps.ngdc.noaa.gov server - just great. World Topo also...
>
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