Radar Projection

[Don Murray]

Hi Cicero-

Thank you for looking into this.  When you have your modifications,
please let us know.

Don Murray

Cicero Zandona wrote:
> Hi VisAD people,
> 
> I am using the visad.bom.Radar2DCoordinateSystem to resample and
> visualize some radar data.
> 
> One thing I noticed is that when I visualize a resampled data there is
> a small gap between the last and first ray. I managed o workaround by
> adding a additional ray (361th) that is a duplicate of the first ray.
> Doing this is ok for me. Just thought I should report.
> 
> I was also reading the Radar2DCoordinateSystem source code and I saw
> that the "meter by longitude degree" relation is calculated using the
> central latitude in the class constructor. But actually this relation
> varies according to the latitude. For bigger ranges and places far
> from the equator this can make a significant difference.
> I posted an image of it at
> http://img.photobucket.com/albums/v313/ciczan/radardif.png
> 
> So I will probably modify this class to recalculate the relation every
> time. It is not complicated but, if anyone is interested, I may also
> send it to the list.
> 
> Greetings,
> 
> Cicero Zandona
> 
> 
> 

-- 
*************************************************************
Don Murray                               UCAR Unidata Program
dmurray at unidata.ucar.edu                        P.O. Box 3000
(303) 497-8628                              Boulder, CO 80307
http://www.unidata.ucar.edu/staff/donm
*************************************************************


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