Creates a spline with all subsequent points with the same code until the spline sequence is ended.
At least two points with the same feature code within the spline sequence.
Control Code Definition
A control code action 'Spline Start' is given a value 'SSP'.
A control code action 'Spline End' is given a value 'ESP'.
Measured Points
The first point (pt 3) is assigned the code 'EB SSP' where 'EB' is the feature code for Edge of Bitumen.
The next two points (pts 4, 5) are assigned the code 'EB'.
The final point (pt 6) is assigned the code 'EB ESP'.
