<s>
JTS	B-Language
Topology	I-Language
Suite	I-Language
(	O
Java	B-Language
Topology	O
Suite	O
)	O
is	O
an	O
open-source	B-Application
Java	B-Language
software	B-Library
library	I-Library
that	O
provides	O
an	O
object	O
model	O
for	O
Euclidean	O
planar	O
linear	O
geometry	O
together	O
with	O
a	O
set	O
of	O
fundamental	O
geometric	O
functions	O
.	O
</s>
<s>
JTS	O
is	O
primarily	O
intended	O
to	O
be	O
used	O
as	O
a	O
core	O
component	O
of	O
vector-based	O
geomatics	O
software	O
such	O
as	O
geographical	B-Application
information	I-Application
systems	I-Application
.	O
</s>
<s>
It	O
can	O
also	O
be	O
used	O
as	O
a	O
general-purpose	O
library	B-Library
providing	O
algorithms	O
in	O
computational	O
geometry	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
Java	B-Language
library	B-Library
,	O
the	O
foundations	O
of	O
JTS	O
and	O
selected	O
functions	O
are	O
maintained	O
in	O
a	O
C++	B-Language
port	O
,	O
for	O
use	O
in	O
C-style	O
linking	O
on	O
all	O
major	O
operating	O
systems	O
,	O
in	O
the	O
form	O
of	O
the	O
GEOS	O
software	B-Library
library	I-Library
.	O
</s>
<s>
Up	O
to	O
JTS	O
1.14	O
,	O
and	O
the	O
GEOS	O
port	O
,	O
are	O
published	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPL	B-Application
)	O
.	O
</s>
<s>
JTS	O
is	O
developed	O
under	O
the	O
Java	B-Language
JDK	O
1.4	O
platform	O
.	O
</s>
<s>
It	O
is	O
100%	O
pure	O
Java	B-Language
.	O
</s>
<s>
JTS	O
has	O
been	O
ported	O
to	O
the	O
.NET	B-Application
Framework	I-Application
as	O
the	O
Net	O
Topology	O
Suite	O
.	O
</s>
<s>
A	O
JTS	O
subset	O
has	O
been	O
ported	O
to	O
C++	B-Language
,	O
with	O
entry	O
points	O
declared	O
as	O
C	O
interfaces	O
,	O
as	O
the	O
GEOS	O
library	B-Library
.	O
</s>
<s>
GEOS	O
is	O
the	O
C/C	O
++	O
port	O
of	O
a	O
subset	O
of	O
JTS	O
and	O
selected	O
functions	O
.	O
</s>
<s>
Due	O
to	O
the	O
runtime	O
construction	O
of	O
Java	B-Language
and	O
the	O
Java	B-Language
Virtual	O
Machine	O
(	O
JVM	O
)	O
,	O
code	B-Library
libraries	I-Library
that	O
are	O
written	O
in	O
Java	B-Language
are	O
basically	O
not	O
usable	O
as	O
libraries	O
from	O
a	O
standardized	O
cross-linking	O
environment	O
(	O
often	O
built	O
from	O
C	O
)	O
.	O
</s>
<s>
Java	B-Language
,	O
by	O
design	O
,	O
does	O
not	O
participate	O
in	O
this	O
interoperability	O
without	O
unusual	O
measures	O
(	O
JNI	O
)	O
.	O
</s>
<s>
GEOS	O
links	O
and	O
ships	O
internally	O
in	O
popular	O
applications	O
listed	O
below	O
;	O
and	O
,	O
by	O
delineating	O
and	O
implementing	O
standards-based	O
geometry	O
classes	O
available	O
to	O
GDAL	B-Language
,	O
which	O
in	O
turn	O
is	O
a	O
widely	O
supported	O
inner-engine	O
in	O
GIS	B-Application
,	O
GEOS	O
becomes	O
a	O
core	O
geometry	O
implementation	O
in	O
even	O
more	O
applications	O
:	O
</s>
<s>
R	B-Language
–	O
Open	O
source	O
statistical	O
software	O
with	O
extensions	O
for	O
spatial	O
data	O
analysis	O
.	O
</s>
