[ncl-talk] Landmasking options

[Mary Haley]

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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