The user interface can be customised to suit user preferences. This includes the ability to changes the colours of the axes, graphs, error bars and grid. As well as the type and colour of the font used to display text on the graphs. The customising the user interface is done through the view menu. The colours of the various view elements are changed by selecting the property from within the view menu. A pop-up window the allows the user to select colours either from the supplied palette, or by mix their own colours. Colours can also be added to a personalised palette, useful for quick selection. The font type is also changed from the view menu. Any standard true type font can be used. The colour and size of the graph font is also configurable. The default is to display all three direction of the dataset. The user can however toggle directions on and off to give more screen real estate to graphs of interest. This is done through the view menu, by checking or un-checking the appropriate directions. GDMS has the ability to show error bars. To turn error bars on or off check the Show error bars item in the view menu. The default is to have the grid enabled. To disable the grid, simply check the Show grid item in the view menu.