This gives us a total of 1024 TB for 3D imagery.įor areas of countries we mostly relied upon this list on Wikipedia. We eventually settled on an estimate of 2 GB to 1 sq km of 3D imagery although we believe it is an underestimate. We re-ran our tests for 3D imagery a number of times trying closer and closer views and every time we got closer, the figure got bigger. The total area of 3D imagery currently in Google Earth is approximately 524,000 sq km. Today we are putting it all together and trying to come up with an estimate for just how large the Google Earth database really is.
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