Re: overlap observations on US map

Hi Jin,
Take a look at the station data Applications page:
http://www.ncl.ucar.edu/Applications/station.shtml
If you want to contour your data, take a look at example 1. If you want
to simply plot polymarkers colored by their respective concentration,
take a look at example 2.
Adam

Lin,Jin-Sheng wrote:
> I have a dataset of observations in (latitude, longitude, concentration)
> format. How do I plot it out and overlap it onto an US map using ncl?
> The strength of concentration field (which will be discrete points in
> the plot) has to be reflected by a color label bar. I wanted to place
> this plot next to a plot of WRF model output for comparison.
>
> I know how to plot the model output, how to read in text file, and do
> panel plots, but I can't seem to find anything similar in the webpage
> examples which plot observations. Thanks in advance for your reply.
>
>
> Jin
>
> Jin-Sheng Lin
> Regional Air Quality Modeler
> Virginia Department of Environmental Quality
> Air Division
> 629 East Main Street
> Richmond, VA 23219
> (tel) 804-698-4412
> e-mail: jlin_at_deq.virginia.gov
>
>
>
>
>
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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
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