[ncl-talk] Contouring

[Mary Haley]

This is a timely question because we are working on an examples page for
"get_isolines". See:

http://www.ncl.ucar.edu/Applications/isolines.shtml

Unfortunately, there's a serious bug in get_isolines that causes it to
return non-sensical values in some cases.

We have fixed the bug, but you need to get the NCL 6.5.0 beta version from
us.

If anybody needs this fix, then send email to ncl-talk and include detailed
information about what kind of system you have:

uname -a
gcc --version

It also helps if you tell us what NCL binary you downloaded previously.

--Mary





On Wed, Oct 25, 2017 at 10:29 AM, Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Allison,
> Yes, see the get_isolines function here:
> https://www.ncl.ucar.edu/Document/Functions/Built-in/get_isolines.shtml
>
> If you have any further questions please respond to the ncl-talk email
> list.
> Adam
>
> On Wed, Oct 25, 2017 at 10:25 AM, Brannan, Allison L. <albrannan at ou.edu>
> wrote:
>
>> Hello,
>>
>> I have created a contour plot and bolded the 2e-06 contour line. This was
>> done by:
>>
>> plot = gsn_csm_contour_map_overlay (wks, pv(i,:,:), pv(i,:,:), res, res1)
>>
>> Is there any way to extract the latitude and longitude points of the
>> black (2e-06) contours?
>>
>> Thank you for your help,
>>
>> Allison
>>
>>
>>
>> -----------------------------------------
>> *Allison Brannan*
>> Meteorology PhD Student
>>
>>
>>
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>>
>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726 <(303)%20497-1726>
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
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