Historical imagery density: Part 3 – two hotspots

MondayMarket

Earlier this week we showed you our historical imagery density map. Looking at the map a number of hotspots are immediately apparent. However, many of these hotspots result from anomalies in the way … [Read more...]

Crossing the antimeridian Google Earth

Antimeridien rectangle

When creating the heatmap for yesterdays post we discovered some things that we think are worth sharing. Every point on Earth's surface can be located with a latitude and longitude. In decimal format … [Read more...]

Historical imagery density in Google Earth: Part 2

Heatmap1

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...]

New Orleans & Hurricane Katrina 10 years on

FloodBarrier

This week marks the 10th anniversary of Hurricane Katrina. It occurred just months after Google Earth was first released. Although Google Earth had existed as Keyhole Viewer prior to that, Google's … [Read more...]

Visualizing Shipments from Coal Mines to US Power Plants

shipments

Thank you to GEB reader Chris Davis for letting us know of a map he has put together for Google Earth visualizing the relationships between coal mines and power plants in the United States. Grab the … [Read more...]

Historical imagery density in Google Earth: Part 1

HistoricalImageryDensitySpainHeatmap

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...]

MyReadingMapped KMLs

MyReadingMapped

We have looked at maps created by George of MyReadingMapped many times in the past. However, due to technical issues he shut the site down earlier this year. He has kindly provided us with some of … [Read more...]

World Power Map

WorldPowerAnalytics2

Thank you to GEB reader Kevin Thuot for letting us know about his Google Earth based World Power Map. According to the website: The WorldPower Map provides an interactive view of the global … [Read more...]

A further look at Chinese map offsets

GCJ-02_larger_arrows

Yesterday we talked about how the Street Maps of China are offset from the satellite imagery because of their laws requiring the use of the GCJ-02 datum. The GCJ-02 datum moves the map by different … [Read more...]

Chinese street maps out of alignment in Google Earth and Google Maps

China-HongKong2

While investigating the recent explosions in Tianjin, China, we noticed that the street map of China is out of alignment in both Google Earth and Google Maps. It is tempting to think that the … [Read more...]