[gradsusr] Interpolation algorithm for shaded maps

[Jennifer Adams]

The documentation for the shading algorithms is in the code itself. Please see gxshad.c (the original) and gxshad2.c (the new algorithm for version 2.0). There are many comments in there about how it works. 
--Jennifer

On May 29, 2013, at 11:36 AM, Zhong Liu wrote:

> Hi all,
> 
> Does any know, when you set,
> 
> set gxout shaded
> 
> what interpolation algorithm is used? The manual says the "original 
> algorithm" and doesn't
> provide further details.
> 
> Thanks.
> 
> -Zhong
> 
> -- 
> Zhong Liu, Ph.D.
> Zhong.Liu-1 at nasa.gov
> George Mason University and
> NASA Goddard Earth Sciences Data and
> Information Services Center
> NASA/GSFC, Code 610.2
> Greenbelt. MD. 20771  U.S.A.
> (301) 614-5764 (voice)
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> http://disc.gsfc.nasa.gov
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> http://disc.sci.gsfc.nasa.gov/agriculture/ais_sup/current_conditions.shtml
> 
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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