How much historical imagery is there in Google Earth?

This is the third post in a series looking at how much data is in Google Earth. We have already looked at how much data per unit area 3D imagery requires and how much data different types of 2D … [Read more...]

Historical imagery density in Google Earth: Part 2

Last week we started on a project to try and map out the density of historical imagery in Google Earth using the Google Earth plugin. We created a short piece of JavaScript that queries the Google … [Read more...]

Historical imagery density in Google Earth: Part 1

Earlier this week when creating the map of Chinese map offsets it reminded us of a project we have long wanted to work on - mapping the density of historical imagery in Google Earth. When you are in … [Read more...]