How to: «Drawing objects interactively»
The application-note purpose is to guide the user in performing an interactive objects drawing.
The interactive objects drawing method allows to define directly the structure edges by using one of the many graphic tools available. The object drawing is, not always but often, the unique approach available to get the object outline and shape. This is more evident when the images have a complex texture or a not well defined edges (e.g. EM or CT images).