<s>
False	B-Algorithm
Radiosity	I-Algorithm
is	O
a	O
3D	O
computer	O
graphics	O
technique	O
used	O
to	O
create	O
texture	O
mapping	O
for	O
objects	O
that	O
emulates	O
patch	O
interaction	O
algorithms	O
in	O
radiosity	O
rendering	O
.	O
</s>
<s>
Though	O
practiced	O
in	O
some	O
form	O
since	O
the	O
late	O
90s	O
,	O
this	O
term	O
was	O
coined	O
only	O
around	O
2002	O
by	O
architect	B-Application
Andrew	O
Hartness	O
,	O
then	O
head	O
of	O
3D	O
and	O
real-time	O
design	O
at	O
Ateliers	O
Jean	O
Nouvel	O
.	O
</s>
<s>
During	O
the	O
period	O
of	O
nascent	O
commercial	O
enthusiasm	O
for	O
radiosity-enhanced	O
imagery	O
,	O
but	O
prior	O
to	O
the	O
democratization	O
of	O
powerful	O
computational	O
hardware	O
,	O
architects	B-Application
and	O
graphic	O
artists	O
experimented	O
with	O
time-saving	O
3D	O
rendering	O
techniques	O
.	O
</s>
<s>
By	O
darkening	O
areas	O
of	O
texture	O
maps	O
corresponding	O
to	O
corners	O
,	O
joints	O
and	O
recesses	O
,	O
and	O
applying	O
maps	O
via	O
self-illumination	O
or	O
diffuse	O
mapping	O
in	O
a	O
3D	O
program	O
,	O
a	O
radiosity-like	O
effect	O
of	O
patch	O
interaction	O
could	O
be	O
created	O
with	O
a	O
standard	O
scan-line	B-Algorithm
renderer	I-Algorithm
.	O
</s>
<s>
Successful	O
emulation	O
of	O
radiosity	O
required	O
a	O
theoretical	O
understanding	O
and	O
graphic	O
application	O
of	O
patch	O
view	O
factors	O
,	O
path	B-Algorithm
tracing	I-Algorithm
and	O
global	B-Algorithm
illumination	I-Algorithm
algorithms	I-Algorithm
.	O
</s>
<s>
Another	O
common	O
approach	O
similar	O
to	O
false	B-Algorithm
radiosity	I-Algorithm
is	O
the	O
manual	O
placement	O
of	O
standard	O
omni-type	O
lights	O
with	O
limited	O
attenuation	O
in	O
places	O
in	O
the	O
3D	O
scene	O
where	O
the	O
artist	O
would	O
expect	O
radiosity	O
reflections	O
to	O
occur	O
.	O
</s>
<s>
This	O
method	O
uses	O
many	O
lights	O
and	O
can	O
require	O
an	O
advanced	O
light-grouping	O
system	O
,	O
depending	O
on	O
what	O
assigned	O
materials/objects	O
are	O
illuminated	O
,	O
how	O
many	O
surfaces	O
require	O
false	B-Algorithm
radiosity	I-Algorithm
treatment	O
,	O
and	O
to	O
what	O
extent	O
it	O
is	O
anticipated	O
that	O
lighting	O
strategies	O
be	O
set	O
up	O
for	O
frequent	O
changes	O
.	O
</s>
