<s>
Gwyddion	B-Language
is	O
a	O
multiplatform	B-Operating_System
modular	O
free	B-Application
software	I-Application
for	O
visualization	O
and	O
analysis	O
of	O
data	O
from	O
scanning	O
probe	O
microscopy	O
(	O
SPM	O
)	O
techniques	O
(	O
like	O
AFM	O
,	O
MFM	O
,	O
STM	O
,	O
SNOM/NSOM	O
)	O
.	O
</s>
<s>
The	O
software	O
is	O
made	O
available	O
as	O
free	B-Application
software	I-Application
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
It	O
is	O
created	O
for	O
the	O
analysis	O
of	O
height	B-Data_Structure
fields	I-Data_Structure
and	O
other	O
2D	O
(	O
image	O
)	O
data	O
.	O
</s>
<s>
Gwyddion	B-Language
supports	O
many	O
different	O
file	O
types	O
and	O
performs	O
many	O
image-based	O
functions	O
.	O
</s>
<s>
Quote	O
from	O
homepage	O
of	O
Gwyddion	B-Language
:	O
'	O
Gwyddion	B-Language
uses	O
a	O
fairly	O
general	O
physical	O
unit	O
system	O
,	O
there	O
are	O
no	O
principal	O
limitations	O
on	O
the	O
types	O
of	O
physical	O
quantities	O
data	O
(	O
and	O
lateral	O
dimensions	O
)	O
can	O
represent	O
.	O
</s>
<s>
Gwyddion	B-Language
native	O
file	O
format	O
(	O
.gwy	O
)	O
supports	O
saving	O
all	O
data	O
specific	O
settings	O
:	O
false	O
color	O
palette	O
,	O
masks	O
,	O
presentations	O
,	O
selections	O
,	O
associated	O
3D	O
view	O
parameters	O
,	O
graphs	O
associated	O
with	O
that	O
data	O
and	O
their	O
settings	O
,	O
etc.	O
'	O
</s>
<s>
Gwyddion	B-Language
is	O
mainly	O
developed	O
on	O
Linux	B-Application
platform	O
using	O
GNU	B-Operating_System
set	O
of	O
compilers	O
and	O
utilities	O
.	O
</s>
<s>
Its	O
graphical	B-Application
user	I-Application
interface	I-Application
is	O
based	O
on	O
the	O
popular	O
interface	O
toolkit	O
GTK+	B-Application
.	O
</s>
<s>
It	O
is	O
available	O
for	O
Linux	B-Application
platforms	O
and	O
has	O
been	O
ported	O
to	O
other	O
unix	O
flavors	O
that	O
has	O
support	O
the	O
GNU	B-Operating_System
Autotools	O
or	O
its	O
equivalent	O
.	O
</s>
<s>
The	O
Mac	B-Application
OS	I-Application
version	O
can	O
be	O
built	O
using	O
Xcode	B-Operating_System
,	O
and	O
some	O
pre-built	O
binaries	O
are	O
available	O
.	O
</s>
<s>
Apple	O
Darwin	O
,	O
or	O
OpenDarwin	O
is	O
the	O
only	O
major	O
platform	O
Gwyddion	B-Language
has	O
not	O
been	O
thoroughly	O
tested	O
on	O
.	O
</s>
<s>
Gwyddion	B-Language
program	O
could	O
also	O
be	O
ported	O
to	O
other	O
branches	O
of	O
the	O
BSD	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
