Re: [Matplotlib-users] use shapefile to create a mask?

[Paul H. <pmh...@gm...>]

To the best of my knowledge, this beyond the scope of matplotlib.
Scipy or Shapely *might* have something for you, but you best bet is
to look into the raster clipping functionality of GDAL/OGR.

Hope that helps,
-paul

On Thu, Nov 3, 2011 at 3:40 PM, questions anon <que...@gm...> wrote:
> Hi All,
> Is there a way to select only the values within a particular shapefile to
> analyse.
> I would like to do something like:
>
> array=numpyarraycoveringtemperatureofwholestate
> shapefile=forestedregions.shp
>
> newarray=ma.masked_values(array, shapefile)
> meantemperatureofforestedregions=MA.mean(newarray)
> print meantemperatureofforestedregions
>
>
> Any ideas of functions I could use, examples I could follow?
> thanks
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