Gridded2DSet


Greetings,

I am continuing to work on an application to visualize the interaction between a radar beam and the terrain surrounding the radar. Please see:

http://www.cimms.ou.edu/~kmanross/VCPRPE/VCPRPE_terrainAndBeamPath.gif

for an example.

The user rotates the red radius in the left panel ("PPI Panel") which represents the beam path in a Lat/Lon Coordinate System. This causes the terrain to change in the right panel ("VCP RayPath").

As you can see, in the "VCP RayPath", the beam (smooth curve) intersects the jaged terrain. Everywhere this intersection occurs, as the beam sweeps a complete circle about the radar center, I record the Lat/Lon of the intersection.

So now I have a mostly discontinuous collection of Lat/Lons. I now want to create an "overlay" to show on the "PPI Panel" where these areas are.

I have tried producing a Gridded2DSet with the collected Lat/Lons and using Float.NaN to fill in the rest of the grid, but have not yet been successful in this approach.

I have also tried using an Irregular2DGrid, but I have not yet been able to create a proper shape withthe points I have.

I would greatly appreciate any input on how to create a gridded set with the same dimensions as the "PPI Panel", but only the collected Lat/Lons would be displayed.

I hope that is clear, but am certainly willing to explain further if needed.

Thank you all!

-kevin.

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Kevin L. Manross        [KD5MYD]               (405)-366-0557
CIMMS Research Associate               kevin.manross@xxxxxxxx
[NSSL-WRDD/SWATN]           http://www.cimms.ou.edu/~kmanross

"My opinions are my own and not representative of CIMMS, NSSL,
 NOAA or any affiliates"
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