[ncl-talk] Missing values mapping as black

[Barry Lynn]

Actually, they may not be mapping as black.  I removed some more data and
it became white.  However, something is mapping as black and I am not sure
what it might be.

On Wed, Feb 19, 2020 at 8:28 AM Barry Lynn <barry.h.lynn at gmail.com> wrote:

> Hello:
>
> I added explicit labels to my color bar, as well as specifying the colors
> I want. I added some geographical information for the map background.
>
>  Yet, I seem  to have a number of black squares, even though I set missing
> values for all radar data less than 5 dbZ and I set
>
> res_ct at cnMissingValFillColor = "white" (or cmap (0,:)).
>
> as suggested on NCL-TALK.
>
> I tried both settings.
>
> I am not sure where the black squares are coming from.
>
> Thank you.
>
> On Tue, Feb 18, 2020 at 6:12 PM Barry Lynn <barry.h.lynn at gmail.com> wrote:
>
>> Hello:
>>
>> For users who need to plot rectilinear data, I have attached the data and
>> an ncl program to do so.
>>
>> Based on the NCL support pages, I was able to quickly put together the
>> steps required to plot this data, including providing the data a long name,
>> units, and coordinates. I also set the limits of the map over which to plot
>> the data.
>>
>> I also created the latitude and longitude arrays from their starting and
>> end points, and even reversed the latitudinal data since it was north to
>> south instead of south to north.
>>
>> In other words, here's an easy template for doing everything you need to
>> do to plot such data.
>>
>> I hope it helps someone...
>>
>> Barry
>> --
>> Barry H. Lynn, Ph.D
>> Senior Associate Scientist, Lecturer,
>> The Institute of the Earth Science,
>> The Hebrew University of Jerusalem,
>> Givat Ram, Jerusalem 91904, Israel
>> Tel: 972 547 231 170
>> Fax: (972)-25662581
>>
>> C.E.O, Weather It Is, LTD
>> Weather and Climate Focus
>> http://weather-it-is.com
>> Jerusalem, Israel
>> Local: 02 930 9525
>> Cell: 054 7 231 170
>> Int-IS: x972 2 930 9525
>>
>>
>
> --
> Barry H. Lynn, Ph.D
> Senior Associate Scientist, Lecturer,
> The Institute of the Earth Science,
> The Hebrew University of Jerusalem,
> Givat Ram, Jerusalem 91904, Israel
> Tel: 972 547 231 170
> Fax: (972)-25662581
>
> C.E.O, Weather It Is, LTD
> Weather and Climate Focus
> http://weather-it-is.com
> Jerusalem, Israel
> Local: 02 930 9525
> Cell: 054 7 231 170
> Int-IS: x972 2 930 9525
>
>

-- 
Barry H. Lynn, Ph.D
Senior Associate Scientist, Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

C.E.O, Weather It Is, LTD
Weather and Climate Focus
http://weather-it-is.com
Jerusalem, Israel
Local: 02 930 9525
Cell: 054 7 231 170
Int-IS: x972 2 930 9525
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