This command analyzes a selection set of polylines, and
highlights the ones that fall outside of a specified elevation
range. There is an option to set the polylines that are outside of
the range to zero. Every polyline vertex that is outside of the
range will be highlighted with an X.
Enter elevation range minimum: 0
Enter elevation range maximum: 4900
Select polylines to check.
Select objects: pick
polylines to process
Found 1 polylines outside of elevation range.
Set polylines outside elevation range to zero elevation
[Yes/<No>]? N
Pulldown Menu Location: Edit > Polyline Utilities
Keyboard Command: checkpl
Prerequisite: Polylines with elevations