Google Earth is a powerful online map-making application. It merges satellite data with map images and, in some areas, even street views for a realistic and informative tour of the globe. With Google Earth, you can explore your neighbourhood or the world from your computer and plan trips; however, it lacks the ability to draw a circle with a specified radius around a point. To do this, you must use a third-party program or website to create a Keyhole Markup Language (KML) file for use within Google Earth. KML files involve an implementation of Extensible Markup Language, or XML, to import geographic data into Google Earth.
- Skill level:
- Moderately Easy
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Things you need
- Google Earth
- Radius drawing utility
Enter the latitude and longitude of the centre point of your radius in a drawing utility. Some utilities are free stand-alone programs, while others are websites that will generate the radius ring for you.
Enter the length of the radius you wish to have extending from your centre point.
Generate the KML file. If you're using a website, download the KML file to your computer.
Open Google Earth.
Open the KML file. Your radius ring has been drawn around the specified centre point.
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