[ncl-talk] NCL plot shows a shift in the coastline

[Dave Allured - NOAA Affiliate]

It might also be helpful to get an accurate outline shape file of Fiji
islands, and add that on top of your current plot.  This would help
diagnose alignment problems in your data coordinates, NCL coast line
database, or both.


On Thu, Jan 23, 2020 at 3:50 PM Rick Brownrigg via ncl-talk <
ncl-talk at ucar.edu> wrote:

> Hi,
>
> It's hard to say exactly without more information (like your script, data
> source, etc). However I don't think it's a download/dependency issue. NCL
> has its own set of map databases, and it appears that the lowest resolution
> one is being used in your plot. For a plot at such large scale, you might
> want to consider using the RANGS database:
>
>     http://ncl.ucar.edu/Applications/mapoutlines.shtml
>
> Look at item #3 "HighRes", for pointers and on where to get the RANGS
> database (its not distributed with NCL, but is readily available),
>
> Hope that helps...
> Rick
>
>
> On Thu, Jan 23, 2020 at 3:39 PM Kunal Dayal via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>> Hi,
>>
>> I am using NCL-6.6.2 on an HPC cluster for mapping WRF output files.
>>
>> I am having a slight problem with the plots as the coastline is shifted
>> to the west from the original location.
>>
>> What can be the possible reasons? Is it because of some differences in
>> the dependencies used while installing NCL or something else? And how can I
>> fix this problem?
>>
>> I am attaching a map showing the shift in the coastline.
>>
>> Appreciate your assistance and advice.
>>
>> Regards
>> Kunal
>>
>
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