By extra attribute
By extra attribute routine classifies points within attribute value interval. Point is classified if its attribute value is within the specified value range.

SETTING |
EFFECT |
|---|---|
From class |
Source class from which to classify points. |
|
Opens the Select classes dialog which contains the list of active classes in TerraScan. You can select multiple source classes from the list that are then used in the From class field. |
To class |
Target class to classify points into. |
Attribute |
The name of the extra attribute the classification is based on. |
Min value |
The lower limit of the classification range. |
Max value |
The upper limit of the classification range. |
Inside fence only |
If on, points inside a fence or selected polygon(s) are classified only. |