Appending an Interpolation Spline
To append an interpolation spline to existing geometry:
1. Click Interpolation Spline in Geometry.
2. Click Append in Interpolation Spline.
3. Click the end-point of the line to which you want to append an interpolation spline.
4. Specify a sequence of points.
5. Click End.
To append the begin-point and end-point of an interpolation spline:
1. Click Interpolation Spline in Geometry.
2. Click Append in Interpolation Spline.
3. Specify point A and a series of points B1, B2, B3, ..., Bn.
4. Click Append in Interpolation Spline.
5. Specify point C.
6. Click End.
Appending an Interpolation Spline
