<s>
System	B-Language
for	I-Language
Automated	I-Language
Geoscientific	I-Language
Analyses	I-Language
(	O
SAGA	B-Language
GIS	I-Language
)	O
is	O
a	O
geographic	B-Application
information	I-Application
system	I-Application
(	O
GIS	B-Application
)	O
computer	B-Application
program	I-Application
,	O
used	O
to	O
edit	O
spatial	O
data	O
.	O
</s>
<s>
It	O
is	O
free	O
and	O
open-source	B-Application
software	I-Application
,	O
developed	O
originally	O
by	O
a	O
small	O
team	O
at	O
the	O
Department	O
of	O
Physical	O
Geography	O
,	O
University	O
of	O
Göttingen	O
,	O
Germany	O
,	O
and	O
is	O
now	O
being	O
maintained	O
and	O
extended	O
by	O
an	O
international	O
developer	O
community	O
.	O
</s>
<s>
SAGA	B-Language
GIS	I-Language
is	O
intended	O
to	O
give	O
scientists	O
an	O
effective	O
but	O
easily	O
learnable	O
platform	O
for	O
implementing	O
geoscientific	O
methods	O
.	O
</s>
<s>
This	O
is	O
achieved	O
by	O
the	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
.	O
</s>
<s>
File	O
access	O
:	O
interfaces	O
to	O
various	O
table	O
,	O
vector	O
,	O
image	O
and	O
grid	O
file	O
formats	O
,	O
including	O
shapefiles	O
,	O
Esri	O
grids	O
(	O
ASCII	O
and	O
binary	O
)	O
,	O
and	O
many	O
grid	O
file	O
formats	O
supported	O
by	O
the	O
Geospatial	B-Language
Data	I-Language
Abstraction	I-Language
Library	I-Language
(	O
GDAL	B-Language
)	O
,	O
along	O
with	O
the	O
native	O
SGRD	O
format	O
of	O
SAGA	B-Language
GIS	I-Language
.	O
</s>
<s>
Gridding	O
:	O
interpolation	B-Algorithm
from	O
vector	O
data	O
using	O
triangulation	O
,	O
nearest	O
neighbour	O
,	O
inverse	O
distance	O
.	O
</s>
<s>
Grid	O
discretisation	O
:	O
skeletonisation	O
,	O
segmentation	B-Algorithm
.	O
</s>
<s>
Projections	B-Application
:	O
various	O
coordinate	O
transformations	O
for	O
vector	O
and	O
grid	O
data	O
(	O
using	O
Proj4	O
and	O
GeoTrans	O
libraries	O
)	O
,	O
georeferencing	O
of	O
grids	O
.	O
</s>
<s>
SAGA	B-Language
GIS	I-Language
is	O
an	O
effective	O
tool	O
with	O
user	O
friendly	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
that	O
requires	O
only	O
about	O
10MB	O
disk	O
space	O
.	O
</s>
<s>
No	O
installation	O
is	O
needed	O
,	O
since	O
SAGA	B-Language
GIS	I-Language
can	O
be	O
run	O
directly	O
from	O
a	O
USB	O
thumb	O
drive	O
if	O
desired	O
.	O
</s>
<s>
SAGA	B-Language
GIS	I-Language
is	O
available	O
for	O
Windows	B-Application
,	O
Linux	B-Application
,	O
and	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
SAGA	B-Language
GIS	I-Language
can	O
be	O
used	O
together	O
with	O
other	O
GIS	B-Application
software	I-Application
like	O
Kosmo	B-Language
and	O
QGIS	B-Application
in	O
order	O
to	O
obtain	O
enhanced	O
detail	O
in	O
vector	O
datasets	O
as	O
well	O
as	O
higher-resolution	O
map-production	O
capabilities	O
.	O
</s>
<s>
SAGA	B-Language
GIS	I-Language
modules	O
can	O
be	O
executed	O
from	O
within	O
the	O
statistical	O
data	O
analysis	O
software	O
R	B-Language
,	O
in	O
order	O
to	O
integrate	O
statistical	O
and	O
GIS	B-Application
analyses	O
.	O
</s>
