[gradsusr] vector plotting problem

[Jeff Duda]

how is re defined?

On Wed, Dec 7, 2011 at 10:06 AM, Rowell, Mason D.
<Mason.D.Rowell-1 at ou.edu>wrote:

> All,
>
> For whatever reason,
>
> 'define dx = 're'*cos(lat*(3.1419/180))*cdiff((lon*(3.14159/180)),x)'
>  'define dy = 're'*cdiff((lat*(3.14159/180)),y)'
>  'define dzx = cdiff(HGTprs,x)'
>  'define dzy = cdiff(HGTprs,y)'
>  'set ccolor 4'
>  'd (dzx/(-1*dx));(dzy/(-1*dy))'
>
> will not plot down height gradient vectors. I just get blue circles about
> every grid point. If I remove the negative signs, I get the traditional
> gradient vectors, but with them, I get the circles. I have tried putting
> the negatives in so many different places and same result.
>
> Mason
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-- 
Jeff Duda
Graduate research assistant
University of Oklahoma School of Meteorology
Center for Analysis and Prediction of Storms
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