|Making an Earth Zoom|
by Griswold, Britt
|Date Added: 12/1/2009|
|!div style="display:none"!fjrigjwwe9r2content:tip!/div!!div style="display:none"!edf40wrjww2content:tip!/div!http://www.stratacafe.com/image.asp?imageID=26322|
The following Earth image sources are free:
The local view is not free, so I did not make a commercial product:
You may be able to find a government source, USGS, State, or local that offers the closeup stuff for free, but it will require some digging.
I used Google for the neighborhood/local views, some Landsat or USGS for a regional view, and global maps for the rest. Overlaid with a cloud map.
I applied a feathered stencil to the local and regional images. A stochastic edged B&W stencil ended up working best. I then applied the textures stacked on top of each other, changing percentage of size and position until I got them to match visually on the earth map.
For this Animation I used four levels of detail:
Portion of County (Google tiling)
Region (Allegheny region Landsat)
World and clouds (Blue Marble)
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