Civil 3D 2024 – Filling-in a Surface from a Surface Edge


In this video we look at how we can fill-in a hole in an existing surface.

One does not always have the luxury of having survey data available on every area within a survey, and post demolition one can make assumptions that a surface will propagate in general agreement with the rest of the topology. How does one do this?  Extract the surface borders, then create a feature line, and use it to create an infill. Lastly, combine the infill surface with the existing surface to create a new combined surface. It is a simple operation that can be done rather quickly, and although there may be other solutions, it is the one that works for me. Hopefully it also works for you.

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