By echo difference
Not Lite
By echo difference routine classifies points based on elevation difference between first and last echoes. The echo type can be stored as attribute for each laser point. The classification effects only points with the echo types first of many or last of many.
SETTING |
EFFECT |
|---|---|
Classify |
Echo type from which to classify points: First echoes or Last echoes. |
From class |
Source class(es). |
To class |
Target class. |
If first | last > |
Elevation difference between first and last echos. A point is classified, if the difference is larger than the given value. |
Inside fence only |
If on, points inside a fence or selected polygon(s) are classified. |
