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Eye in the sky

I guess I’ve known about aerial imagery available on the web for a while now, but recently I came across a surprisingly clear photo of Dupont Circle, linked from a post on Michael‘s site, that suddenly made me aware of the quantity and quality of land images out there. I’ve been playing around with the […]

I guess I’ve known about aerial imagery available on the web for a while now, but recently I came across a surprisingly clear photo of Dupont Circle, linked from a post on Michael‘s site, that suddenly made me aware of the quantity and quality of land images out there.

I’ve been playing around with the USGS “Urban Area” data set on TerraServer, and here is a quite recent photo (Feb. 27, 2004) of San Francisco International Airport at 4-meter resolution. (Each pixel represents four meters.) So there you have the parking garage in the middle, surrounded by the terminals. Almost kind of artsy, don’t you think?

SFO at 4m res (USGS)

And here at 0.25-meter resolution is the open hub of the parking garage. Ooh, taxis!

SFO at 0.25m res (USGS)

Cool.

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