There are various ways of entering data. The large screen grab below is the 'Full data entry' and also the 'Data edit' screen:-
The screen above allows full control over the amount of data entered. The maximum amount of information can be entered here, such as X and Y co-ordinates. A lot of the empty spaces will be filled automatically when the data file is sized and levels are set.
The image above is the 'Direct sizing' input screen - this sizes the system as data is entered, and also allows immediate changes before resizing. The sized data is displayed as the data is entered.