[ncl-talk] Subsetting coordinates for U.S. only to show netCDF file on ArcGIS

[Mary Haley]

Grace,

It sounds like you are asking a question about why ArcGIS is not properly
displaying coordinates from a NetCDF file. The ncl-talk group is not
appropriate for this question. I suggest you ask the ArcGIS folks about
this.

If I misunderstood your question, and the issue really is with NCL, please
post back to ncl-talk and let us know.

Thanks,

--Mary


On Thu, Jan 18, 2018 at 3:13 PM, Grace Choi via ncl-talk <ncl-talk at ucar.edu>
wrote:

> Hi everyone,
>
> I have run into an issue using NCL to subset coordinates to map over the
> U.S. and have it do the same for ArcGIS.
>
> I have a script with longitude and latitude as such:
>
> ;========================================
>
> datadir = "./"
>
> filename = "Dalhousie_PM2.5_2011.nc"
>
>
> ; latitude spans -54.75 degrees to 69.75 degrees
>
> minlat = 25
>
> maxlat = 50
>
>
>
> ; longitude spans -179.95 to 179.95 degrees
>
> minlon = -130
>
> maxlon = -70
>
>
> output_filename = "Dalhousie_USA_2011_1.nc"
>
> ;==============================================
>
>
> When I map this file with these coordinates on NCL, it shows the whole map
> of the U.S. However, when I take this netCDF file to create a map over
> ArcGIS, it shows only a very small part of the U.S. (seems to focus on the
> midwest region). Has anyone run into this problem before, and was able to
> solve it?
>
>
> Thanks so much.
>
>
> Sincerely,
>
> Grace
>
>
>
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