
tracing because the tool will attempt to re-create
the image as best it can. If it traces a shape that’s
black, it will fill the shape. A “hole” in the shape
which originally showed the white background
becomes a white shape on top of the black shape.
Operations that break these shapes into separate
paths often get confused and fill them with same
color so that they get lost (Figure
K
). If you trace
a toroid (donut) shape, it will create two shapes
— the outer circle and the inner circle — as
independent of each other. You have to perform a
Boolean difference operation to remove the inner
circle from the outer circle if you want a ...