The dialog Line is used to perform the settings for a line to decorate the plot.

The Direction of the line can be entered in degrees. With Length the length is set in cm. With x0 and y0 the start position of the line may be set.

With Width the relative width of the line maybe set. A setting of 100 % corresponds to a normal value. The  Color of the line is selected in the dialog Select Color, opened with the colored button.

The Type of the line is selected most convenient using the dialog  Lines, opened using the button right to the spin box, showing the actual representation.

The dialog may be canceled without saving by use of the button Cancel. By using Apply changes are saved without closing the dialog. With OK changes are saved and the dialog is closed.