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

[Matt S. <sle...@gm...>]

I've used Pyshapelib and Polygon to do this type of analysis in the past.
 Thuban may get ya what you need.

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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