About Layer_bottom_to_reference_line_range
Layer_bottom_to_reference_line_range is an analysis export variable.
It reports the distance in meters between the layer's bottom and the Grid_line_reference on the echogram which was analyzed (m). Layers are numbered with respect to the Line-reference which is specified on the Grid page of the Variable Properties dialog box. This analysis variable's calculations consider Echogram mode set to Range.
This variable is exported only if it is selected on the Export page of the EV File Properties dialog box.
See also
About analysis
About analysis variables
About Layer_depth_min
About Layer_range_min
About Layer_range_max
Grid_reference_line
Layer_bottom_to_reference_line_depth
Layer_top_to_reference_line_depth
Layer_top_to_reference_line_range