[ncl-talk] Landmasking options

[Manisha Ganeshan]

Hi Mary,

That works! Thanks for the help :)

Regards,
Manisha

On Thu, Sep 18, 2014 at 7:24 PM, Mary Haley <haley at ucar.edu> wrote:

> Nisha,
>
> What about simply filling the continents in a dull grey color, and making
> sure they get drawn last so it covers up any land contours? Or, do you
> really need to not plot the data over land?
>
> See the "mask_2.ncl" example at:
>
> http://www.ncl.ucar.edu/Applications/mask.shtml#ex2
>
> --Mary
>
>
> On Thu, Sep 18, 2014 at 3:03 PM, Manisha Ganeshan <
> manisha.ganeshan86 at gmail.com> wrote:
>
>> Hi all,
>>
>> I'm plotting data on a coarse resolution (2 deg. lat. X 10 deg. lon)
>> polar stereographic projection but I want to mask out the continents. I
>> tried masking my data using *landsea_mask* but this masks out some of
>> the ocean points as well (because of the coarse resolution of my grid). I'm
>> wondering if there are any plotting resources to simply avoid plotting data
>> over the continents?
>>
>> Thanks,
>> Nisha
>>
>> P.S I also tried gsn_csm_contour_map_overlay to overlay the NCL 1X1
>> degree landsea_mask file directly onto my map. This works better but I am
>> forced to use the same color table. I'd like the continents to have a dull
>> grey color which is completely different from the color table I'm using for
>> plotting my data.
>>
>>
>>
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>
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