About Target_Perimeter_Edge_Midpoints
Target_perimeter_edge_midpoints is a single target data export variable.
It reports the estimated target perimeter based on the distance between sample-edge midpoints for each single target exported. Target_perimeter can be calculated when the multibeam target detection operator is used to create a multibeam targets variable and Target perimeter edge midpoints is selected on the Target page of the Variable Properties dialog box.
See also
About Target properties
Target properties from multibeam data