[gradsusr] GrADS help, plotting shaded contour precip/ptype products over a basemap/background

[Jennifer Adams]

If I'm not mistaken, a similar problem was just recently discussed.  
Try your printim command using all lower case letters: change NE to ne.
--Jennifer




On Nov 8, 2010, at 1:51 PM, Jeff Chabot wrote:

> Dear GrADS Users,
>
> I have been trying to apply a basemap to my precip/ptype shaded  
> contour products on my personal website for some time now.  I have  
> brainstormed and searched the GrADS online documents and have come  
> up with ideas, but they have never worked.  My latest idea was to  
> use Google Maps terrain data as a background to the map.  I thought  
> it was a good idea, but I discovered that I still cannot resolve the  
> issue in that precip = 0 shows either all white or all black  
> depending on what I choose for the background, covering up my  
> basemap.  I really thought the following command would have resolved  
> that issue, but it did not:
>
> printim precip_NE_1.png png x570 y435 -b NE.png -t 0
>
> Versions:
>
> GrADS: 2.0a9
> OS: Fedora 13
> Sample: http://jeffsweatherservice.com/grads/nam/ptype_NE_2.png
>
> I know this can be done because of the example:
>
> http://wxmaps.org/pix/ez.east.html
>
> Any assistance here would be much appreciated.
>
> Sincerely,
>
>
> Jeff Chabot
> Email: jsc219 at gmail.com
> Web: http://jeffsweatherservice.com
>
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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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