How do we translate those blobs and squiggles on the map to what’s actually happening beneath our feet? We went to a place ...

Joe Crowley demonstrates how contour lines on a map connect points of equal height, and how each is marked with a number indicating height above sea level in metres.

Google has announced a new feature to the terrain relief maps they added last November to Google Maps. Now when you zoom in closer, the terrain shows contour lines to give you an even better feel ...

Contour lines So much more than a Kardashian make-up trick, contour lines are the faint reddish-brown lines on a map that indicate the shape and height of the land.

Here’s a great little SketchUp video tutorial from the folks at concept3D, who we’ve shown you before with their excellent models at Northeastern University, Duke University and fun tools like ...

Contour lines are usually drawn at 10 metre intervals on a 1:50,000 scale map and at 5 metre intervals on a 1:25,000 scale map.