▪Select the desired plot.

▪Click the button.

▪Use the mouse to draw a limiting rectangle over the area you want to edit.

▪Click the icon or - if the mouse pointer is set within the working range - open the context menu of the range with the right mouse button.

▪Select the desired function.

▪The following functions are available:

▪Fill with a constant (*)

▪Shift vertically by the constant (*)

▪Flip range horizontally (*)

▪Fill gaps with a constant (*)

▪Fill gaps with last value before gap

▪Fill using linear interpolation

▪Fill gaps by linear interpolation

▪Fill gaps by spline interpolation

▪Undo selection

▪Set gap range

▪For the functions marked with (*) you have to specify the desired constant in the following dialog and confirm your selection with [OK].