Here is draft content tailored for different use cases: a , a software tutorial page , and a knowledge base FAQ . You can mix and match sections as needed.

Google Earth’s elevation data is low-resolution (approx. 30m spacing). For engineering design, use survey or LiDAR data instead. For conceptual work only:

: The resulting point list is imported into Civil 3D to build a Triangulated Irregular Network (TIN) surface. Engineering Accuracy and Limitations

Go to the Geolocation ribbon tab and select Map Aerial . If you are logged into your Autodesk account, the imagery will automatically load based on your georeferenced coordinates.

: Data is typically converted to the Universal Transverse Mercator (UTM) system to match Civil 3D’s Easting/Northing requirements.

For a preliminary surface, we have to use a two-step workflow involving .

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