[SciPy-User] Obtaining contour data

[ashwin .D]

Yes I looked at that. The thing is my data is in raster
coordinates(latitude and longitude - equidistant grid). When I pull out the
coordinates from collections are these polygons (vectors) or is the raster
entity still retained ?

On Mon, Oct 16, 2017 at 7:50 PM, Nicolas Cellier <
contact at nicolas-cellier.net> wrote:

> It may help you
>
> https://stackoverflow.com/questions/5666056/matplotlib-
> extracting-data-from-contour-lines
>
> 2017-10-16 15:31 GMT+02:00 ashwin .D <winash12 at gmail.com>:
>
>> Hello,
>>          I have height data on a two  dimensional equidistant latitude
>> longitude grid and my ultimate goal is to calculate the curvature of the
>> contours. Here is an illustration of what I want to do -
>> http://www.indiana.edu/%7Egeog109/topics/10_Forces&Winds/sfc_trough.html.
>> The data is plotted on a two dimensional latitude longitude grid and then
>> the height contours are calculated. I am looking to obtain the coordinates
>> of the contours(shown in red) in terms of latitude and longitude so that I
>> can use that information  to calculate the curvature of the contour points
>> using a least squares method. Is it possible to do this in Scipy ? The
>> curvature of the earth is itself irrelevant in this case and it can be
>> assumed to be flat.
>>
>> Regards,
>> Ashwin.
>>
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>
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