<s>
In	O
scientific	B-Application
visualization	I-Application
a	O
streamsurface	B-Application
is	O
the	O
3D	O
generalization	B-Algorithm
of	O
a	O
streamline	B-Application
.	O
</s>
<s>
It	O
is	O
the	O
union	O
of	O
all	O
streamlines	B-Application
seeded	O
densely	O
on	O
a	O
curve	O
.	O
</s>
<s>
Like	O
a	O
streamline	B-Application
,	O
a	O
streamsurface	B-Application
is	O
used	O
to	O
visualize	O
flows	O
–	O
three-dimensional	O
flows	O
in	O
this	O
case	O
.	O
</s>
<s>
Specifically	O
,	O
it	O
is	O
"	O
the	O
locus	O
of	O
an	O
infinite	O
set	O
of	O
such	O
curves	O
[streamlines],	O
rooted	O
at	O
every	O
point	O
along	O
a	O
continuous	O
originating	O
line	O
segment.	O
"	O
</s>
