Surface Selections Menu

‘Surface Selections’ provides tools that can be used to select specific areas of the active surface:
‘Select all’ - selects the entire field in the current layer.
‘Select all (including background)’ - creates a selection box from the widest points of the current layer. 
‘Select field edge’ - selects the outer edge of the field.
‘Select none’ - removes current selections.
‘Invert’ - inverts the current selection (e.g. if the edge is selected it will be inverted to select the inside of the field.)
‘Expand’ - expands the selection by the set distance.
‘Contract’ - contracts the selection by the set distance.
‘Collapse selection to field’ - moves the selection to only apply to the active field.
‘Load/Save selection’ - save the current selection for later use/reference, or load a previous selection to reuse.