The default settings should take about 30 seconds to complete. When it is done, it shows the result in the Google Map below as well as downloading a KML file, so you can view the contours in Google Earth. To use it with your own settings, draw a polygon in Google Earth of the approximate area you are interested in, save it as a KML then select it below.
If you do not select a KML file then it will default to using an area in British Columbia, Canada that we selected for its very mountainous terrain. You can choose how many rows and columns of altitude data to obtain. The Mapzen elevation API limits the number of queries you can make in a given time to prevent individual users from degrading the overall system performance, so very high resolutions take a long time.
Remember that doubling the rows and columns will take four times as long to complete. It displays the grid of the altitudes that were obtained from the Mapzen API and shows them in red if they were above the selected altitude, or green if they were below the selected altitude.
Zoom in to see how they relate to the contour line. Let us know in the comments if you find any bugs or have suggestions for improvements. We would also love to know if anyone finds this tool useful for anything. Timothy has been using Google Earth since when it was still called Keyhole before it was renamed Google Earth in and has been a huge fan ever since.
As a result, we are not accepting new comments or questions about Google Earth. Comments I think the tool does not cope well with smaller scales. You should definitely look at extracting contours from our elevation tiles — it will be much faster than hitting the API. More information is here:. I also just wanted only one contour line so I changed that value. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies.
Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. This article has been viewed 60, times. Although Google Earth has many features, a topographical mapping mode is not one of them. But what if you need to include a topography layer in your Google Earth project?
This wikiHow teaches you how to download and import topological map overlays into Google Earth on your computer, phone, or tablet. Install Google Earth Pro. Open Google Earth Pro. Click the File menu and select Open. Zoom in to see the contour lines. Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers.
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Related Articles. Article Summary. Method 1. Google Earth Pro is a more robust and downloadable version of Google Earth that runs as a desktop application that's free for personal use.
Once downloaded, double-click the downloaded file to install Google Earth Pro. Google Earth Pro can read topographical map overlays in either of these two formats. A great way to find a map is to search the web for "topographical map of region in KML format. Scroll down, click KML , and then click Download to download the map file.
Click the red circle that says View and Download , type the location you're looking for, and then click the search icon to search. Click the third icon at the top-left to toggle on the topographical map overlay.
When you find a map you want, click the KMZ link to download it. You'll need to unzip the file after downloading it. Open Google Earth Pro on your computer. This opens your computer's file browser. Select the downloaded file and click Open.
It's the file ending with ". You'll now see the name of the map you opened in the "Places" panel in the upper-left corner of Earth Pro.
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