Rotated coordinate plot

[Jennifer Adams]

Alternatively, you could write out a PDEF bilin file that tells GrADS
how to interpolate from your grid to a regular lat/lon grid. Either
way, you'll have to do some programming outside GrADS...
Jennifer

On Oct 11, 2005, at 12:12 PM, Lee Byerle wrote:

> Thomas,
> I've had a similar dilemma in the past.  The way I got my rotated
> output
> to true lat/lon was by specifying each of the grid points in the
> model output as station data.  Then, plot the station data with an
> interpolated grid using the oacres() function.  This involves the use
> of
> an arbitrary, "dummy" lat/lon grid which the station data will be
> interpolated to.  There are more details in the grads
> documentation on station data and oacres().  Let me know if you would
> like
> an example.
>
> Good luck,
> Lee
>
> On Tue, 11 Oct 2005, Thomas Spengler wrote:
>
>> Hello everybody!
>>
>> I hope anybody of your list can help me! I want to plot a rotated grid
>> with grads. In other words I have the grid of the limited area model
>> of
>> MeteoSwiss with the north pole at 32.5°/-170°. The problem is that I
>> probably have to transform my coordinates to lat/lon again. However,
>> the
>> grid is not symmetric then anymore and I have specific lat/lon values
>> for each grid point. Maybe you know a nice possibility how to plot
>> this
>> grid with grads.
>> Thank you very much in advance
>>
>> Yours,
>> Thomas
>>
>> --
>> Thomas Spengler
>> Institute for Atmospheric and Climate Science
>> Universitätsstrasse 16
>> ETH Zentrum, CHN P 15.1
>> CH-8092 Zürich
>>
>> Phone:    +41 44 633 27 46
>> Fax:      +41 44 633 10 58
>> E-Mail:   thomas.spengler at env.ethz.ch
>> Homepage: http://www.iac.ethz.ch/people/spethoma
>>
--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
4041 Powder Mill Road, Suite 302
Calverton, MD 20705 USA
jma at cola.iges.org