In this video, we show you how to extract contours using Google Earth, GPS Visualizer, and QGIS and how they compare to contours created from lidar data. We use the Equator platform to source free, public lidar data in the US and generate contours directly from the information on the fly.

***The Equator user interface has been updated.**** Check out this video to learn more:
   • Site Builder Overview  
Or just try it and see for yourself today: https://maps.equatorstudios.com/?entr...

General information about Equator: https://equatorstudios.com/

The video will answer the following questions:
0:11 How to generate contours from Google Earth?
1:03 Using GPS Visualizer.
1:30 Creating contours from points in QGIS
3:05 Creating contours from USGS lidar using Equator
3:35 Viewing USGS lidar point clouds using Equator
4:25 Visual comparison of contour accuracy
5:40 Detailed comparison of different crosssections in Excel

Keywords: Google Earth, contours, topography, lidar, USGS, point cloud, Equator

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