With the advancement of UAV technology and LiDAR processing, you can transform your point cloud into an accurate ground surface in Civil 3D. Just combine the power of Civil 3D, Recap and InfraWorks to extract ground points, convert your data into terrain and create your surface.

How to Create a Civil 3D Terrain Surface 
from a LiDAR Point Cloud

You'll accomplish the following:

Extract ground points to create 
an existing ground surface

Convert your point cloud to 
terrain in InfraWorks 

View and clip your 
point cloud in ReCap