Enter any area to explore and select any zoom level. WorldWind will navigate through the specified area and download data to cache on your hard disk as necessary. Adjust your cache size if necessary in your file "WorldWind.exe.config". Default is 2 Go.
Warning : don't try to download too large an area at too high detail level, it would be huge amounts of data (thousands of gigabytes !)
You may enter coordinates of :
Enter point coordinates as follows " worldwind:&lat=30.171&lon=-7.218 " (decimal degrees, South and West negative).
An easy way to get the ccordinates is to click on a point in WorldWind, then copy coordinates to the clipboard (in menu Tools), switch back to this page and paste it in one of the boxes above as is (it should look like this : " worldwind://goto/world=Earth&lat=42.3187484741211&lon=2.26865649223328&view=0.400000125169754 "
Do not enter the first point again, the polygon will be closed automatically.
To start, click on "Explore area" button. It will open a blank window ; don't close it, it would stop the navigation process
During the exploration you may adjust heading, dive angle and vertical exageration as usual. To stop the navigation at any time click on "Stop exploring" button above
Tile files names : 2\0071_0217.dds would be a shortcut for "C:\Program Files\NASA\World Wind v1.2\Cache\Earth\High-Resolution Terrain Mapped Imagery\JPL Global Landsat Mosaic (False-Color Bands - Panshapened)\2\0071_0217.dds". .dds files may be viewed by IrfanView
More information on NASA WorldWind Homepage
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