[ncl-talk] contour lines to shapefile

[Dave Allured - NOAA Affiliate]

Oops.  "Manisha, NCL can only read shapefiles, it can not WRITE them."

On Tue, Nov 19, 2024 at 4:20 PM Dave Allured - NOAA Affiliate <
dave.allured at noaa.gov> wrote:

> Manisha, NCL can only read shapefiles, it can not read them.  What exactly
> do you mean by "(b) perform the above manipulation"?  Do you just want to
> make some expanded plots, or something else?
>
>
> On Tue, Nov 19, 2024 at 3:34 PM Manisha Ganeshan via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
>> Hello,
>>
>> I have cloud mask data in the form of binary 0 and 1 on a lat/lon grid.
>> I'm able to plot these values using gsn_csm_contour_map (attached figure
>> and plotting code).
>> I would like to expand the masks intersected by the four circular blue
>> markers shown in the figure.
>> However, I don't have a shapefile for the masks, and I'm wondering if
>> there is any way to
>> (a) extract a shapefile from contour masks
>> (b) perform the above manipulation without a shapefile
>>
>> Thanks,
>> Manisha
>> --
>> Dr. Manisha Ganeshan
>> Morgan State University
>> Maryland, U.S.A.
>>
>
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