Comparative Meta-Data of the USGS Orthoimagery of Washington, DC – 2002 / 2005
With the recent acquisition of the 2005 aerial photography of the White House, I decided to look over the computer generated meta-data that came bundled with the .tif file from the USGS. What I found...
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over-projection after three derivatives
I decided to compare the unmodified imagery of Oakland’s City Hall Plaza with the same location after 3 derivative maps (specifically a detail from Oakland Quilt #5). The result is quite interesting...
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A new change in Washington, DC’s imagery on Google’s servers
For the last 3 years I have followed how the aerial & satellite imagery of Washington, DC has been released, redacted, and remixed. This entry marks another important observation and a new...
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“Ghost Cars” on the I-35W Bridge
When preparing the imagery for the previous map, I zoomed into the bridge and discovered that there are some “ghost cars” on the bridge. There is really nothing supernatural about these cars, rather I...
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