<s>
In	O
analytic	O
geometry	O
,	O
the	O
intersection	B-Algorithm
of	I-Algorithm
a	I-Algorithm
line	I-Algorithm
and	I-Algorithm
a	I-Algorithm
plane	I-Algorithm
in	O
three-dimensional	O
space	O
can	O
be	O
the	O
empty	O
set	O
,	O
a	O
point	O
,	O
or	O
a	O
line	O
.	O
</s>
<s>
In	O
the	O
ray	B-Algorithm
tracing	I-Algorithm
method	O
of	O
computer	O
graphics	O
a	O
surface	O
can	O
be	O
represented	O
as	O
a	O
set	O
of	O
pieces	O
of	O
planes	O
.	O
</s>
<s>
In	O
vision-based	O
3D	B-Algorithm
reconstruction	I-Algorithm
,	O
a	O
subfield	O
of	O
computer	O
vision	O
,	O
depth	O
values	O
are	O
commonly	O
measured	O
by	O
so-called	O
triangulation	O
method	O
,	O
which	O
finds	O
the	O
intersection	O
between	O
light	O
plane	O
and	O
ray	O
reflected	O
toward	O
camera	O
.	O
</s>
