Create Surface from .xyz File

[Anonymous]

I think my question is very basic, but I just can't figure it out. I have a .xyz file (columns of x, y, and z coordinates) for a point cloud of terrain data. I need to create a surface from this point cloud. I'd like to create a smooth surface (not just a tin). I've looked online for a procedure to create the surface, but so far I haven't been able to get anything to work. I'd like to import the point cloud directly into Civil 3D and create the surface. Can someone help? 

Thanks,

Allen

[Pointdump · Accepted solution]

Allen,
What have you tried so far and where are you getting stuck?

Dave

[Anonymous]

@Pointdump Thank you! I have a triangulated surface now! I'm trying to figure out how to smooth the surface. Can that be done in Civil 3D?

[Pointdump · Accepted solution]

Allen,
Be careful about smoothing. It can affect volume quantities and slow down a drawing with added "weight".
For specifics on smoothing, read >>>Here<<<.
Dave

[Jeew-m]

Hi,

Also refer THIS.

[Pointdump]

Jeewana,
Nice! Good job on your video!
Dave

[AllenJessup]

As shown in the link posted by @Pointdump  You can smooth a Surface or you can Smooth the Contours. Smoothing Contours is a visual process and does not alter the Surface. Smoothing the Surface will add points to the Surface based on the grid size as shown in the video posted by @Jeew-m 

[Anonymous]

@Pointdump @AllenJessup @Jeew-m Thank you all for your help! Each of your suggestions have helped me tremendously!