Layer_top_to_reference_line_depth

Layer_top_to_reference_line_depth is an analysis export variable.

It reports the distance in meters between the layer's top 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 Depth.

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_bottom_to_reference_line_range
Layer_top_to_reference_line_range