Re: Overlaying polylines with polymarkers that have actual lat lon coordinates?

Hi,

It seems like populating two arrays with your lon/lat coordinates of
interest, and then calling "gsn_add_marker" might do the trick (?)

Rick

On Sep 21, 2009, at 8:33 AM, DJ Rasmussen wrote

> Hello NCL users,
>
> I want to show the grid resolution of my data, and I also want to
> show where the actual location of some points of interest are within
> the grid cells themselves. I know how to plot the grid lines from
> my data, and I can plot polymarkers at grid POINTS from the data I
> am using. But, I want to be able to place polymarkers at actual
> lat/ lon coordinates in the grid cells themselves, and not grid
> POINTS at grid line intersections.
> Is there a way I can use NCL to overlay polymarkers that use lat/lon
> coordinates (not gridded data POINTS) on top of a drawn polyline
> grid from my data set?
>
> I have attached an image showing what I have been able to accomplish
> so far. It might shed some light onto what exactly I want to do.
>
> Cheers,
>
> DJ Rasmussen
> --
>
> DJ Rasmussen
>
> Antarctic Meteorological Research Center
>
> University of Wisconsin - Madison Space Science and Engineering Center
>
> 1225 W. Dayton St., Rm 947, Madison, WI 53706
>
> Email: dj.rasmussen_at_ssec.wisc.edu
>
> http://amrc.ssec.wisc.edu
>
>
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Received on Mon Sep 21 2009 - 09:29:40 MDT