This tool joins two contours. It is used after the tool Expand Object to adapt the contours to the changes of the morphology of the object. The two contours are joined at the closest nodes of each contour.
The two contours have to belong to the same object.
To join contours follow this steps:
1- Select one of the contours in the Object Explorer.
2- Right click on
the other contour in the Object Explorer and select Join with Contour
from the context menu