More
on
MacPaint 223
Figure 7.9. Finding the center
of
the circle
Notice
that
the example case contained
an
even number
of
dots
on
the sides. The lines bisecting the circle will not intersect
at
a single
dot
but
instead form a
box
cluster
of
four dots. Erase
all
of
the line but this point
orcluster(as
your
case may be).
We
have determined the exact center
of
the circle.
To
cut
the circle in half, use the line
to
draw
from one edge
through
the center
to
the
other
edge.
Be
careful not
to
lose
track
of
the center point. Perhaps
it
would help to erase the
portion
of
the line residing
at
the center.
Draw
in the remaining
pie cuts with the
proper
proportions. You will need to estimate
them since Mac
Paint
does
not
provide
an
analytical method
of
calculating the
proper
sizes. The partitioned graph appears in
figure
7.
10.
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