Change the type of selected segments. The new segment shares the same start
and end points of the existing segment. The remaining geometric parameters of the
new segment cannot be influenced by the user. It is possible to process the new
The segments that are to be changed are identified by selecting the blue control points.
If the segments of a path component is changed, the identity of the
component is maintained. If line, arc or circle components are changed, this
will lead to the creation of a new paths and the original components are removed.