[ncl-talk] Confluent asymptotes in streamline plots

[Dennis Shea]

To my knowledge, there is no objective
"way to determine the location of an asymptote in a streamline chart in NCL"
or any other language.

On Fri, Feb 26, 2021 at 8:45 PM Lyndz via ncl-talk <
ncl-talk at mailman.ucar.edu> wrote:

> Dear NCL-experts,
>
> I have a streamline chart of winds at 925hPa (plotted using this
> https://www.ncl.ucar.edu/Applications/Scripts/stream_1.ncl)
> The input files have the following dimensions:
>
> dimensions:
>
> time = UNLIMITED ; // (1 currently)
>
> bnds = 2 ;
>
> lon = 144 ;
>
> lat = 73 ;
>
> level = 17 ;
>
> Is there a way to determine the location of an asymptote in a
> streamline chart in NCL? If yes, how can I determine this using NCL?
>
> Or is there a way to determine if a confluent asymptote is within a
> specific region?
>
> Here's a sample plot showing the an asymptote in a streamline chart:
>
>
> https://www.meted.ucar.edu/labs/synoptic/streamlining_sample/navmenu.php?tab=1&page=2-2-0&type=flash
>
> https://www.meted.ucar.edu/labs/synoptic/streamlining_sample/print.php
>
> I'll appreciate any help on this..
>
> Sincerely,
> Lyndz
>
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