Common GUI Commands and Sub-Menus

Important commands which appear in many different interfaces are listed below together with a brief description, and they are described in detail in the sections which follow:

INPUT: Input data from a file with the help of the file selection tool.

EXCHANGE: Swap the data in the current data array with the data in the ``memory''. If no data is present in the ``memory'' then the current data array becomes undefined.

Z SCALING: Sub-menu controlling the displayed intensity range and the choice of linear of logarithmic scaling. This sub-menu may be obtained directly from all interfaces when the intensity scaling colour bar (look-up table) is displayed.

DISPLAY: Sub-menu which allows a number of different forms of graphical display.

MOVEMENT: This sub-menu allows easy movement within a large data image.

OPTIONS: Sub-menu controlling graphical style options, such as grid, title, and axis text.

OUTPUT: Sub-menu allowing choice of output formats to save the contents of the current region of interest to a file.