|
|
|
|
|
VOI definition is a tedious task, and many situations may occur where the user would like to undo a change. To this end an Undo function for most manipulations of contour VOIs is available on a separate taskbar.
The arrow to the left undoes operations (goes back through history), while the button to the right redoes operations (goes forward through history).
Note: The Undo function is not applicable to changes to the image information itself.
Neutral Mode
Browsing the image in the orthogonal layout involves clicking into the image. When VOI definition modes such as iso-contouring are active, clicks may introduce unwanted changes to the VOI definitions. This can be avoided by selecting the Neutral Mode with the 
. Note that while working in a VOI editing mode, the VOI functionality can momentarily be disabled by holding down CTRL+SHIFT during clicking.