Function ChangeMag

Interaction/Widgets/Testing/Python/TestMagnifierWidget.py:496–501

(widget, event_string)

# Observe events for magnification factor change
def ChangeMag(widget, event_string):
    if iRen.GetKeyCode() == '+' :
        magF = magRep.GetMagnificationFactor() + 1
    else:
        magF = magRep.GetMagnificationFactor() - 1
    magRep.SetMagnificationFactor(magF)

# Add the magnifier widget
magRep = vtkMagnifierRepresentation()