Re: ARCgis interfacing Re: [ferret_users] netcdf longitude module problem

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi Lev,
Thank you for reporting back.  Every tool has its biases and runs up 
against unforeseen limitations now and then.

Ansley

On 3/17/2012 4:55 AM, Lev Tarasov wrote:
> For anyone else exporting data to ARCgis with limited grid bounds 
> crossing the prime meridion, ARCgis can't handle netcdf grids with 
> longitudes outside of [0,360] range, contrary to netcdf standards (as
> Ansley mentions below). The crude solution I ended up with was rotating
> the grid and having my GIS colleague (if only everybody used ferret...)
> rotate it back within ARCgis..
>
> lev
>
> Lev Tarasov -   Dept of Physics and Physical Oceanography,
>         Memorial University of Newfoundland.
>                 email: lev@xxxxxx
>                 http://www.physics.mun.ca/~lev/
>         Tel (709)-864-2675
>         Fax (709)-864-8739
>
> On Tue, 6 Mar 2012, Ansley Manke wrote:
>
> > Hi Lev,
> > Ferret won't write a dataset with a non-monotonic axis, which would 
> > violate the CF standard for netCDF files.  Would it make sense for 
> > ARCgis to have two datasets, one for longitudes = ...359, 360, and a 
> > second for 1, 2, ... ?
> >
> > Does anyone know whether there a standard for NetCDF and ARCgis?  If 
> > so maybe one could write an function that would create that style of 
> > file. Beyond that I imagine that there might be things in NCO which 
> > could change the coordinates in a Ferret file.
> >
> > Ansey
> >
> > On 3/5/2012 8:18 AM, Lev Tarasov wrote:
> > > Hi all;
> > >        I want to pass some ferret generated netcdf files to
> > > a colleague who uses ARCgis, and the non-global grid range
> > > brackets 0 longitude so that the netcdf grid ends up having
> > > ..359, 360, 361, 362... longitudes, which ARCgis can't handle.
> > > Is there any easy way to make the longitude grid go ..359, 360, 1, 2..?
> > >
> > > ie enforce longitude >=0 and <=360
> > >
> > > my longitude axis is:
> > > DEFINE AXIS/modulo/X=12.75W:119.25E:0.5/UNIT=DEGREE xlone5f
> > >
> > > Cheers,
> > >
> > > Lev Tarasov -   Dept of Physics and Physical Oceanography,
> > >         Memorial University of Newfoundland.
> > >                 http://www.physics.mun.ca/~lev/
> > >
> > > This electronic communication is governed by the terms and 
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>
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