<s>
Integrated	O
Land	O
and	O
Water	O
Information	O
System	O
(	O
ILWIS	B-Language
)	O
is	O
a	O
geographic	B-Application
information	I-Application
system	I-Application
(	O
GIS	B-Application
)	O
and	O
remote	B-Application
sensing	I-Application
software	O
for	O
both	O
vector	O
and	O
raster	O
processing	O
.	O
</s>
<s>
ILWIS	B-Language
was	O
initially	O
developed	O
and	O
distributed	O
by	O
ITC	O
Enschede	O
(	O
International	O
Institute	O
for	O
Geo-Information	B-Application
Science	I-Application
and	O
Earth	O
Observation	O
)	O
in	O
the	O
Netherlands	O
for	O
use	O
by	O
its	O
researchers	O
and	O
students	O
.	O
</s>
<s>
Since	O
1	O
July	O
2007	O
,	O
it	O
has	O
been	O
released	O
as	O
free	B-Application
software	I-Application
under	O
the	O
terms	O
of	O
the	O
GPL-2.0-only	B-License
license	O
.	O
</s>
<s>
Having	O
been	O
used	O
by	O
many	O
students	O
,	O
teachers	O
and	O
researchers	O
for	O
more	O
than	O
two	O
decades	O
,	O
ILWIS	B-Language
is	O
one	O
of	O
the	O
most	O
user-friendly	O
integrated	O
vector	O
and	O
raster	O
software	O
programmes	O
currently	O
available	O
.	O
</s>
<s>
ILWIS	B-Language
has	O
some	O
very	O
powerful	O
raster	O
analysis	O
modules	O
,	O
a	O
high-precision	O
and	O
flexible	O
vector	O
and	O
point	O
digitizing	O
module	O
,	O
a	O
variety	O
of	O
very	O
practical	O
tools	O
,	O
as	O
well	O
as	O
a	O
great	O
variety	O
of	O
user	O
guides	O
and	O
training	O
modules	O
all	O
available	O
for	O
downloading	O
.	O
</s>
<s>
The	O
current	O
version	O
is	O
ILWIS	B-Language
3.8.6	O
.	O
</s>
<s>
Similar	O
to	O
the	O
GRASS	B-Application
GIS	I-Application
in	O
many	O
respects	O
,	O
ILWIS	B-Language
is	O
currently	O
available	O
natively	O
only	O
on	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
However	O
,	O
a	O
Linux	B-Application
Wine	B-Application
manual	O
has	O
been	O
released	O
.	O
</s>
<s>
In	O
late	O
1984	O
,	O
ITC	O
was	O
awarded	O
a	O
grant	O
from	O
the	O
Dutch	O
Ministry	O
of	O
Foreign	O
Affairs	O
,	O
which	O
led	O
to	O
developing	O
a	O
geographic	B-Application
information	I-Application
system	I-Application
(	O
GIS	B-Application
)	O
which	O
could	O
be	O
used	O
as	O
a	O
tool	O
for	O
land	O
use	O
planning	O
and	O
watershed	O
management	O
studies	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
1988	O
,	O
a	O
DOS	B-Device
version	O
1.0	O
of	O
the	O
Integrated	O
Land	O
and	O
Water	O
Information	O
System	O
(	O
ILWIS	B-Language
)	O
was	O
released	O
.	O
</s>
<s>
Two	O
years	O
later	O
,	O
ILWIS	B-Language
was	O
made	O
commercial	O
with	O
ITC	O
establishing	O
a	O
worldwide	O
distributors	O
network	O
.	O
</s>
<s>
ILWIS	B-Language
2.0	O
for	O
Windows	B-Application
was	O
released	O
at	O
the	O
end	O
of	O
1996	O
,	O
and	O
ILWIS	B-Language
3.0	O
by	O
mid-2001	O
.	O
</s>
<s>
On	O
1	O
January	O
2004	O
,	O
ILWIS	B-Language
3.2	O
was	O
released	O
as	O
a	O
shareware	O
(	O
one-month	O
trial	O
offer	O
)	O
.	O
</s>
<s>
Since	O
July	O
1	O
,	O
2007	O
,	O
ILWIS	B-Language
has	O
been	O
distributed	O
as	O
an	O
open	O
source	O
software	O
under	O
the	O
GPL-2.0-only	B-License
license	O
.	O
</s>
<s>
This	O
functionality	O
is	O
integrated	O
in	O
the	O
Import	O
Map	O
Wizard.Stereopair	O
from	O
DTM	O
-	O
Stereo	O
pair	O
from	O
DTM	O
operation	O
creates	O
a	O
stereo	O
pair	O
from	O
a	O
single	O
raster	O
map	O
and	O
a	O
Digital	O
Terrain	O
Model	O
(	O
DTM	O
)	O
.	O
</s>
<s>
This	O
option	O
calculates	O
distances	O
over	O
the	O
sphere	O
instead	O
of	O
in	O
a	O
plane.Export	O
to	O
ArcPad	O
.PRJ	O
-	O
ILWIS	B-Language
coordinate	O
systems	O
can	O
be	O
exported	O
to	O
an	O
ArcPad	O
.prj	O
file	O
.	O
</s>
<s>
3.3	O
3.3	O
September	O
2005The	O
SMCE	O
application	O
extended	O
with	O
overlay	O
of	O
reference	O
maps	O
,	O
combination	O
of	O
spatial	O
and	O
non-spatial	O
MCE	O
,	O
and	O
interactive	O
function	O
graphs	O
for	O
standardization.Applications	O
for	O
DEM	O
hydroprocessing	O
implemented	O
,	O
like	O
topological	O
optimization	O
,	O
drainage	O
network	O
extraction	O
,	O
catchment	O
extraction	O
,	O
horton	O
statistics	O
etc.Georeferencing	O
with	O
additional	O
supports	O
up	O
to	O
8	O
fiducial	O
marks	O
,	O
sub-pixel	O
precision	O
and	O
3D	O
coordinate	O
transformations	O
using	O
7	O
or	O
10	O
datum	O
parameters.Import	O
and	O
export	O
using	O
the	O
GDAL	B-Language
library.Projections	O
for	O
geostationary	O
satellites.Calculation	O
and	O
statistical	O
functions	O
for	O
map	O
lists.3.4	O
3.4	O
Open	O
July	O
1	O
,	O
2007GPL	O
version	O
from	O
52°North	O
with	O
proprietary	O
components	O
removed.3.5	O
3.5	O
December	O
12	O
,	O
2008	O
Introduction	O
of	O
plug-in	O
system	O
for	O
applications	O
.	O
</s>
<s>
Started	O
with	O
the	O
Geonetcast	O
toolbox.3.6	O
3.6	O
April	O
21	O
,	O
2009	O
Refactoring	O
of	O
the	O
whole	O
vector	O
system	O
of	O
Ilwis	B-Language
and	O
with	O
that	O
a	O
25	O
new	O
applications	O
mainly	O
,	O
but	O
not	O
exclusively	O
,	O
about	O
set	O
operations	O
on	O
vector	O
types	O
.	O
</s>
<s>
First	O
implementation	O
of	O
the	O
second	O
generation	O
Geonetcast	O
toolbox.3.7	O
3.7	O
March	O
25	O
,	O
2010	O
Added	O
number	O
of	O
new	O
applications.3.7.1September	O
15	O
,	O
2010A	O
number	O
of	O
bug	O
fixes	O
to	O
ILWIS	B-Language
3.7.3.7.224	O
May	O
2011A	O
number	O
of	O
bug	O
(	O
from	O
3.7.1	O
)	O
fixes.3.8	O
3.8	O
April	O
7	O
,	O
2012	O
Massive	O
rewrite	O
of	O
the	O
whole	O
visualization	O
of	O
maps	O
.	O
</s>
<s>
ILWIS	B-Language
uses	O
GIS	B-Application
techniques	O
that	O
integrate	O
image	B-Algorithm
processing	I-Algorithm
capabilities	O
,	O
a	O
tabular	O
database	O
and	O
conventional	O
GIS	B-Application
characteristics	O
.	O
</s>
<s>
Comprehensive	O
set	O
of	O
image	B-Algorithm
processing	I-Algorithm
and	O
remote	B-Application
sensing	I-Application
tools	O
like	O
extensive	O
set	O
of	O
filters	O
,	O
resampling	O
,	O
aggregation	O
,	O
classifications	O
.	O
</s>
<s>
Rich	O
map	B-Application
projection	I-Application
and	O
geographic	O
coordinate	O
system	O
library	O
.	O
</s>
<s>
The	O
next	O
major	O
version	O
of	O
Ilwis	B-Language
will	O
be	O
based	O
on	O
the	O
Ilwis	B-Language
NG	O
framework	O
(	O
in	O
development	O
)	O
.	O
</s>
<s>
The	O
framework	O
will	O
be	O
cross	O
platform	O
(	O
ILWIS	B-Language
is	O
now	O
limited	O
to	O
Windows	B-Application
only	O
)	O
and	O
will	O
be	O
deployable	O
on	O
mobile	O
devices	O
.	O
</s>
