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See also: To Create a Smooth Curve
Creates a smooth curve made up of lines and arcs is created through a set of points. Alternatively, a smooth curve comprised of lines and arcs can be created to represent an existing Spline.
Continuous - Check to create a Continuous entity consisting of lines and arcs.
Tolerance - Specifies a value to alter the displayed smoothness of the curve. Small tolerance values create smoother curves. Note that this is a display function only, and does not alter the mathematically correct shape of the curve.
Corner Angle - Specifies an angle at which any bends are assumed to be corners. A bend is smoothed if its angle is greater than this value.
If the smooth curve is created from data which is not in the current CPL, the lines and arcs forming the smooth curve will be projected down onto the CPL.
When digitising co-ordinates it is advisable to enter as many positions as possible in areas where there is an abrupt change of direction in the required curve.