Ah, sorry I misunderstood.
You can get them by using GMT's gshhs tool (or just using pscoast with the
right options) to dump out the political borders in GMT format and then
convert them to a shapefile using ogr2org (or whichever tool you find
easiest... Personally I use the python wrappers around ogr for more
control.)
To save you a bit of trouble, I zipped political boundary shapefiles (from
GSHHS version 2.0, so they'll coincide perfectly with the GSHHS coastline
data) and put them here:
http://www.geology.wisc.edu/~jkington/borders.zip<http://www.geology.wisc.edu/%7Ejkington/borders.zip>
There's probably a way to do it using basemap, as well, but I don't know it
off the top of my head.
Hope that helps,
-Joe
On Wed, Jun 30, 2010 at 9:33 PM, P. R.M. <romero...@hotmail.com> wrote:
> hi,
> thanks for the response.
>
> I already have & know how to use the GSHHS coastline data; what I need is
> political boundaries (country borders) data that will coincide with the
> GSHHS coastline data. In other words, I can't simply use any political
> boundaries shapefile, since the coastlines will not line up with the various
> resolutions of the GSHHS coastline data. I hope this makes it a little more
> clear...
>
> So, I'd like to source the country border data from matplotlib/basemap's
> GSHHS dataset, and convert it to shapefile format.
> can anyone please provide some guidance on how to achieve this?
>
> thanks again,
> P.Romero
>
> ------------------------------
> Date: Wed, 30 Jun 2010 19:43:34 -0500
> From: jking...@wisc.edu
> Subject: Re: [Matplotlib-users] extract country borders data & convert to
> shapefile
> To: romero...@hotmail.com
> CC: matplotlib-users@lists.sourceforge.net
>
>
> If you just need the GSHHS data in shapefile format, it's available on the
> NOAA
> GSHHS website <http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html>.
>
> If you prefer a direct link [96MB zip file]:
>
> http://www.ngdc.noaa.gov/mgg/shorelines/data/gshhs/version2.0/shapefiles/gshhs_shp_2.0.zip
>
> Hope that helps,
> -Joe
>
>
> On Wed, Jun 30, 2010 at 6:34 PM, P. R.M. <romero...@hotmail.com> wrote:
>
> I have a non-matplotlib related project that requires usage of GSHHS
> dataset shapefiles.
> The regular GSHHS dataset doesnt appear to include political boundaries,
> however the GSHHS dataset used by matplotlib/basemap does include
> country/border data. I'd like to extract matplotlib/basemap GSHHS country
> data & convert it to shapefile format.
>
> specifically, the following files that are included with
> matplotlib/basemap:
> countries_c.dat
> countries_f.dat
> countries_h.dat
> countries_i.dat
> countries_l.dat
> countriesmeta_c.dat
> countriesmeta_f.dat
> countriesmeta_h.dat
> countriesmeta_i.dat
> countriesmeta_l.dat
>
> how can I convert these files to shapefile format, or where can I get
> shapefiles that already include this data & that are based on the GSHHS
> coastline data?
>
> please help,
> thanks,
> P.Romero
>
>
>
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