Re: Nesting Domain

Hi Guan,

Looking at your plot, I believe you are pointing out that when you draw
a square using gsn_polyline_ndc (to denote one of your nested grids),
that the hgtd01 contour field appears lighter within the square than
outside the square.

My first guess is that for whatever reason the overlay line:
map=wrf_map_overlays(find01,wks,plot1,cnres,mapres)
is causing the problem.

To test, I would replace this:
map=wrf_map_overlays(find01,wks,plot1,cnres,mapres)
datatondc(map,xbox,ybox,x_out,y_out)
gsn_polyline_ndc(wks,x_out,y_out,lnres)
gsres = True
........<snip>.....
draw(map)
frame(wks)
end

with this:
datatondc(plot1,xbox,ybox,x_out,y_out)
gsn_polyline_ndc(wks,x_out,y_out,lnres)
draw(map)
frame(wks)
end

Let us know if that changes the plot.
Adam

Mary Haley wrote:
> Guan,
>
> I'm a little confused by this plot. I thought there should be two
> separate contour fields, but in your script, I think I only see one, and
> that's the one for hgtd01.
>
> My suggestion was going to be to make sure that both of your contour
> plots are represented by the same contour levels, but since I don't see
> a second plot, I'm not sure if this is the problem.
>
> --Mary
>
> On Dec 3, 2008, at 9:23 AM, gs6r wrote:
>
>> <Slideshow.gif> Play slideshow
>> <http://g.msn.com/5meen_us/171?path=/photomail/{58d07d8b-6741-43b3-86aa-824cafd8c3e0}&image=CEF991426176A654!896&imagehi=CEF991426176A654!894&CID=-3532632718406408620>
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>>
>> *Hey *
>> **
>> *I am trying to make a topographic map with my parent domain and two
>> rectangular boxes indicating two nesting domains. *
>> **
>> *However, one I overlay the two boxes, the color of inner domains
>> becomes lighter, which shows the discontinuous of the topographic
>> data. That does not make any senses. So I am wondering how can I fix
>> the problem.*
>> **
>> *I attached the graph and the code. Could you please help me?*
>> *Thanks a lot,*
>> *Guan*
>>
>> <189.jpg>
>> <http://jmboig.blu.livefilestore.com/y1pIerLshmLfAy7w1YpbT_u0n70zvSuUU2NOXqOXwzWUdXOYft6mg2BFqVjaAP8Z6EVqZK_lsHuZE4/topo.jpg?download>
>>
>>
>> *Best Regards,*
>>
>> *Guan Song
>> Graduate Student
>> Reply email: gs6r_at_virginia.edu <mailto:gs6r_at_virginia.edu>
>> New Clark 272
>> Dept. of Environmental Sciences
>> University of Virginia*
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-- 
--------------------------------------------------------------
Adam Phillips			             asphilli_at_ucar.edu
National Center for Atmospheric Research   tel: (303) 497-1726
ESSL/CGD/CAS                               fax: (303) 497-1333
P.O. Box 3000				
Boulder, CO 80307-3000	  http://www.cgd.ucar.edu/cas/asphilli