3.11. Noise Removal
1. Prior to classification, we're going to remove noise from the edges of the point cloud. Set Top View and perform a Zoom Extension.
2. On the Edit ribbon, SELECT group, run Selection by Polygon, and delimit an area roughly as shown in the figure.
3. In the EDIT group, click the Filter button to hide the points outside the selected enclosure. Use the editing tools to erase other visible noise points in the floor plan.
4. Set Front View and repeat the operation to hide noise points above or below the building.
