Rio 3D imagery and Google Earth’s elevation data

We mentioned in our post on simulating lakes that Google Earth's elevation data is often very inaccurate in mountainous areas. When looking around the 3D imagery of Rio de Janeiro, where the Olympics … [Read more...]

Simulating lakes with Google Earth

In yesterday's post we had a KML which includes a polygon showing the approximate extent of a historical lake in Google Earth. We thought it would be worth discussing how to do this and some of the … [Read more...]

Verne: The Himalayas

Google has just released a game for Android devices called "Verne: The Himalayas" that makes use of Google Maps' 3D imagery. The post about it on Google's Lat Long blog seems to imply that they have … [Read more...]

Can we see Antarctic seals in Google Earth?

We recently came across this interesting article on the DigitalGlobe blog. It is about using imagery crowd-sourcing site Tomnod to count seals in DigitalGlobe satellite imagery of Antarctica. The very … [Read more...]

Olympic venues get a 3D update

Google has recently updated the 3D imagery for some of the key Olympic venues. Sometime in June Google had significantly increased the 3D coverage for Rio de Janeiro but that imagery was captured … [Read more...]


DigtialGlobe's WorldView-4 is expected to be launched next month, on September 15, 2016. According to Wikipedia, WorldView-4 started life as GeoEye-2 back in 2007. However, DigitalGlobe bought GeoEye … [Read more...]

Washington, D.C. now has Google Earth 3D

Google has recently pushed out a number of new 3D areas. Of special note is Washington, D.C., the capital city of the United States of America. Google usually takes its time releasing capital cities … [Read more...]

The best of Google Earth for July 2016

Google has been adding new imagery to Google Earth, but has not updated historical imagery for over a month, so we are unable to do maps of the new imagery or see any of the added imagery that is not … [Read more...]

Image recognition and Google Earth

The last few years have seen major advances in computer artificial intelligence (AI). One area where AI is starting to show practical use is in imagery recognition. Google Earth and Street View … [Read more...]

Another way to visualise sun-synchronous orbits

Yesterday we had a look at the orbits of imaging satellite's from the perspective of a stationary earth. Today we are having a look at the same orbits but showing how the orbit is actually a circle … [Read more...]