Working with Landsat imagery

We recently came across this image from NASA's Earth Observatory, which shows smoke from fires on the island of Sumatra, Indonesia. Given the scale of the phenomena we thought it should be visible in … [Read more...]

Converting a Google Maps screenshot to Google Earth

Yesterday we looked at a problem with the Street View layer of Google Earth. We thought it would be interesting to compare the Street View coverage as shown in Google Earth with that shown in Google … [Read more...]

Using the Google Earth Overlay tool

A few months ago we took a look at some of Eric Stitt's work on genealogy on his blog, and he continues to produce very useful tips. His latest post goes into detail about Overlays, which can be … [Read more...]

Turning a paper map into a 3D image overlay

As we mentioned recently with the historic maps from North Carolina, the "image overlay" feature in Google Earth is quite powerful. If you've never created one before, Kerry Leith from Stress-driven … [Read more...]

KMZmaps – global overlays for you to use

We've seen global overlay files before on Google Earth, including items such as the popular blue marble overlay. The folks at have created a variety of very high-quality overlays for use … [Read more...]

Image overlay of the oil spill in the Gulf of Mexico

By now, you've likely heard about the massive oil spill in the Gulf of Mexico. As a post on TreeHugger reveals, NASA has released some aerial imagery of the spill. You can download the Imagery … [Read more...]

Google Street Maps Overlay for Google Earth

Upon reviewing the GEB archives it appears I missed writing about this one even though I've used it for over a year. The same guy who implemented Globe Glider (a useful Windows application for … [Read more...]

Best Topo Map Interface for Google Earth

I believe it started today with this blog entry at The Map Room, but suddenly there is a resurgence of interest in generating topographical maps in Google Earth. I've spoken about techniques for … [Read more...]

Image Overlay Creator for Google Earth

Creating accurately scaled and placed image overlays from other mapping and satellite photo resources is not always a simple process. has just released yet another tool for Google … [Read more...]

Latest FEMA Katrina Damage Assessment Overlay

Google was given permission to provide overlays from a Monday night assessment of damage done by the Federal Emergency Management Agency (FEMA). This overlay shows the areas FEMA has assessed so far … [Read more...]