<s>
Local	B-Algorithm
feature	I-Algorithm
size	I-Algorithm
refers	O
to	O
several	O
related	O
concepts	O
in	O
computer	O
graphics	O
and	O
computational	O
geometry	O
for	O
measuring	O
the	O
size	O
of	O
a	O
geometric	O
object	O
near	O
a	O
particular	O
point	O
.	O
</s>
<s>
Given	O
a	O
smooth	O
manifold	O
,	O
the	O
local	B-Algorithm
feature	I-Algorithm
size	I-Algorithm
at	O
any	O
point	O
is	O
the	O
distance	O
between	O
and	O
the	O
medial	O
axis	O
of	O
.	O
</s>
<s>
Given	O
a	O
planar	O
straight-line	O
graph	O
,	O
the	O
local	B-Algorithm
feature	I-Algorithm
size	I-Algorithm
at	O
any	O
point	O
is	O
the	O
radius	O
of	O
the	O
smallest	O
closed	O
ball	O
centered	O
at	O
which	O
intersects	O
any	O
two	O
disjoint	O
features	O
(	O
vertices	O
or	O
edges	O
)	O
of	O
the	O
graph	O
.	O
</s>
