<s>
Outerra	O
is	O
a	O
Slovak	O
computer	O
software	O
company	O
best	O
known	O
for	O
its	O
middleware	B-General_Concept
3D	O
planetary	O
graphics	O
engine	O
,	O
called	O
Outerra	O
engine	O
,	O
in	O
development	O
since	O
2008	O
.	O
</s>
<s>
The	O
engine	O
renders	O
high-quality	O
terrain	O
,	O
terrain	O
texturing	O
,	O
flora	O
and	O
water	O
flow	O
normal	B-Application
maps	I-Application
using	O
relatively	O
sparse	O
and	O
highly	O
compressed	O
data	O
through	O
fractal	B-Application
processing	I-Application
and	O
other	O
types	O
of	O
procedural	O
generation	O
.	O
</s>
<s>
The	O
game	O
Anteworld	B-Application
uses	O
real	O
world	O
data	O
to	O
create	O
a	O
virtual	O
replica	O
of	O
planet	O
Earth	O
.	O
</s>
<s>
Features	O
of	O
the	O
engine	O
and	O
its	O
tech-demo	O
Anteworld	B-Application
include	O
:	O
</s>
<s>
The	O
developers	O
of	O
Outerra	O
in	O
2012	O
released	O
an	O
alpha	O
tech-demo	O
for	O
the	O
engine	O
called	O
Anteworld	B-Application
(	O
the	O
name	O
comes	O
from	O
the	O
Latin	O
prefix	O
Ante-	O
,	O
meaning	O
prior-to	O
in	O
time	O
-	O
"	O
A	O
world	O
that	O
was	O
"	O
)	O
that	O
consists	O
of	O
a	O
digital	O
replica	O
of	O
the	O
whole	O
planet	O
Earth	O
at	O
a	O
1:1	O
scale	O
.	O
</s>
<s>
The	O
virtual	B-Application
world	I-Application
can	O
be	O
explored	O
in	O
a	O
free-camera	O
mode	O
as	O
well	O
as	O
in	O
vehicles	O
such	O
as	O
planes	O
,	O
boats	O
and	O
cars	O
.	O
</s>
<s>
For	O
the	O
mirror	B-Protocol
world	I-Protocol
real	O
world	O
data	O
was	O
used	O
-	O
ingame	B-Application
the	O
user	O
can	O
blend	O
in	O
an	O
embedded	O
Google	B-Application
Maps	I-Application
of	O
real	O
Earth	O
that	O
is	O
synchronized	O
with	O
the	O
current	O
camera	O
position	O
.	O
</s>
<s>
Since	O
June	O
2013	O
Anteworld	B-Application
provides	O
support	O
for	O
Oculus	B-Device
Rift	I-Device
.	O
</s>
<s>
The	O
goal	O
of	O
this	O
digital	B-Application
elevation	I-Application
model	I-Application
project	O
,	O
which	O
was	O
launched	O
by	O
Oshyan	O
Greene	O
and	O
Carl	O
Lingard	O
in	O
2006	O
,	O
is	O
what	O
they	O
summarize	O
as	O
a	O
"	O
living	O
,	O
breathing	O
Middle	O
Earth	O
"	O
-	O
a	O
highly	O
detailed	O
model	O
which	O
includes	O
rivers	O
,	O
vegetation	O
,	O
buildings	O
,	O
roads	O
and	O
subterranean	O
features	O
.	O
</s>
<s>
In	O
February	O
2014	O
the	O
developers	O
announced	O
ongoing	O
development	O
,	O
which	O
was	O
planned	O
since	O
October	O
2009	O
,	O
to	O
add	O
another	O
planet	O
to	O
the	O
two	O
already	O
existing	O
ones	O
(	O
Earth	O
and	O
the	O
fictional	O
Middle-Earth	O
)	O
–	O
Mars	B-Application
.	O
</s>
