Inside fence command classifies points inside a fence or selected polygon from one class into another class. Only points that are displayed on screen are effected by the classification.
To classify points inside a fence:
1. Draw a fence or select a polygon around points to classify.
2. Select Inside fence command from the Classify pulldown menu.
This opens the Classify Points Inside Shapes dialog:
3. Select classes in the From class and To class fields and click OK.
This classifies the points that are displayed and located inside the fence.