Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 64

Filter points by classification
1 In the drawing, select the point cloud.
2 Click Point Cloud tab
drop-down
3 In the Point Cloud Style dialog box, on the Classification tab, click
.
For this exercise, you will specify that the style display only the ground
points.
NOTE The classifications in this table are based on ASPRS American Society
of Photogrammetry and Remote Sensing standards.
4 In the LIDAR Classification table, select the 2 Ground check box.
As shown in the Color column, the point cloud points that are assigned
the 2 classification are displayed as brown.
5 Click OK.
52 | Chapter 4 Point Cloud Tutorials
Modify panel
Edit Point Cloud Style.
Point Cloud Properties