7/2/2004 SSCC/NIMH 64
Drawing surface-based ROIs
¥Demo
HMove the mouse to a new location and click again to draw a line from the location of the first click to a new one.
HOr click while dragging the mouse to create a smoother line.
HBoth drawing methods might fail if you are drawing over very rough terrain.
åWhen that happens, you continue from where the drawing stopped.
åDrawing in 3D looks easy but it isnÕt.
HUse Undo and Redo when you get your drawings messed up.
HTo close a loop you can press ÔJoinÕ button or double click