Re: map with no data

> Hi, I need to create a study area location map, very much like the example
> shown in
>
> http://www.ncl.ucar.edu/Applications/Scripts/polyg_4.ncl
>
> but without plotting any data. The only information I'd like to show is US
> States boundaries and a bounding box. I tried creating an empty dataset but I
> get a warning error saying that contour can't work on a constant field. Also,
> the states boundaries won't show, even if I set
>
> res_at_mpOutlineBoundarySets="USStates"
> _______________________________________________
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Based on
   
      http://www.ncl.ucar.edu/Applications/maponly.shtml
      Example 12

Just set the map projection...

      res_at_mpProjection = "Orthographic"
      map = gsn_csm_map(wks,res)

good luck
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Received on Mon Dec 04 2006 - 20:54:55 MST