pardon the query if it seems dumb, but why don't you do a savefig()
after plotting the data and then convert it to any format you like?
alternatively, contour() and contourf() both create paths that can
be accessed:
cf = contourf(.....)
output = cf.collections.pop()
paths = output.get_paths()[i] # for the various contours
the x,y coordinates can then be accessed as
xcoords = paths.vertices.transpose()[0]
ycoords = paths.vertices.transpose()[1]
you can then do whatever you wish with them.
Joy
On Wed, Oct 15, 2014 at 9:11 PM, David Hoese <dho...@gmail.com> wrote:
> I've been searching and reading through source code and google searches
> to see if this is possible, but no luck so far. I'm basically trying to
> map some data using Basemap, use contourf to map it to an image, and
> then put that image in a geotiff (or other format) for use in other GIS
> programs. I have other tools for remapping data and creating geotiffs,
> but the contour image looks better. All I would need to get this to work
> would be an array representing the image inside the axes of a contourf
> plot. I found a lot of geotiff -> Basemap png results, but I would like
> the reverse.
>
> Since the plots are made using paths/patches I'm guessing I would have
> to have a backend render the image and then extract the image somehow.
> Does anyone have some tips or tricks to do something like this? Or am I
> thinking about this completely wrong?
>
> Thanks for any help and if you could CC me in any replies it would be
> much appreciated.
>
> -Dave
>
>
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