<s>
MapWindow	B-Language
GIS	I-Language
is	O
a	O
lightweight	O
open-source	B-Application
GIS	B-Application
(	O
mapping	O
)	O
desktop	O
application	O
and	O
set	O
of	O
programmable	O
mapping	O
components	O
.	O
</s>
<s>
MapWindow	B-Language
GIS	I-Language
and	O
its	O
associated	O
MapWinGIS	O
ActiveX	B-Application
Control	I-Application
were	O
originally	O
developed	O
by	O
Daniel	O
P	O
.	O
Ames	O
and	O
a	O
team	O
of	O
professors	O
and	O
students	O
at	O
Utah	O
State	O
University	O
in	O
2002-2003	O
as	O
part	O
of	O
a	O
research	O
project	O
with	O
the	O
Idaho	O
National	O
Laboratory	O
in	O
Idaho	O
Falls	O
,	O
Idaho	O
as	O
a	O
GIS	B-Application
mapping	O
framework	O
for	O
watershed	O
modelling	O
tools	O
in	O
conjunction	O
with	O
source	O
water	O
assessments	O
conducted	O
by	O
the	O
laboratory	O
.	O
</s>
<s>
In	O
2004	O
it	O
the	O
first	O
open	O
source	O
version	O
of	O
the	O
software	O
was	O
released	O
as	O
MapWindow	B-Language
GIS	I-Language
3.0	O
,	O
after	O
which	O
it	O
was	O
adopted	O
by	O
the	O
United	O
States	O
Environmental	O
Protection	O
Agency	O
as	O
the	O
primary	O
GIS	B-Application
platform	O
for	O
its	O
BASINS	O
(	O
Better	O
Assessment	O
Science	O
Integrating	O
Point	O
and	O
Nonpoint	O
Sources	O
)	O
watershed	O
analysis	O
and	O
modeling	O
software	O
.	O
</s>
<s>
The	O
1st	O
International	O
MapWindow	B-Language
GIS	I-Language
Users	O
and	O
Developers	O
Conference	O
was	O
held	O
in	O
Orlando	O
,	O
Florida	O
from	O
March	O
31	O
-	O
April	O
2	O
,	O
2010	O
and	O
included	O
60	O
participants	O
from	O
multiple	O
countries	O
and	O
government	O
,	O
private	O
,	O
and	O
educational	O
institutions	O
.	O
</s>
<s>
The	O
2nd	O
International	O
MapWindow	B-Language
GIS	I-Language
and	O
DotSpatial	O
Conference	O
included	O
the	O
newly	O
developed	O
DotSpatial	O
GIS	B-Application
programming	O
environment	O
and	O
was	O
held	O
in	O
San	O
Diego	O
,	O
California	O
,	O
June	O
13	O
–	O
15	O
,	O
2011	O
.	O
</s>
<s>
The	O
2012	O
International	O
Open	O
Source	O
GIS	B-Application
Conference	O
was	O
held	O
in	O
Velp	O
,	O
The	O
Netherlands	O
,	O
from	O
July	O
9	O
–	O
11	O
,	O
2012	O
.	O
</s>
<s>
This	O
was	O
the	O
first	O
joint	O
meeting	O
of	O
MapWindow	B-Language
GIS	I-Language
users	O
and	O
developers	O
together	O
with	O
the	O
broader	O
regional	O
open	O
source	O
GIS	B-Application
community	O
.	O
</s>
<s>
Later	O
MapWindow	B-Language
GIS	I-Language
users	O
and	O
developers	O
meetings	O
have	O
largely	O
been	O
held	O
in	O
conjunction	O
with	O
other	O
communities	O
and	O
conferences	O
including	O
the	O
American	O
Water	O
Resources	O
Association	O
,	O
American	O
Geophysical	O
Union	O
,	O
OSGEO	O
,	O
and	O
the	O
International	O
Environmental	O
Modelling	O
&	O
Software	O
Society	O
.	O
</s>
<s>
MapWindow	B-Language
GIS	I-Language
is	O
distributed	O
as	O
an	O
open	O
source	O
application	O
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
distribution	O
license	O
,	O
MapWindow	B-Language
GIS	I-Language
can	O
be	O
reprogrammed	O
to	O
perform	O
different	O
or	O
more	O
specialized	O
tasks	O
.	O
</s>
<s>
There	O
are	O
also	O
plug-ins	B-Application
available	O
to	O
expand	O
compatibility	O
and	O
functionality	O
.	O
</s>
<s>
The	O
core	O
component	O
of	O
MapWindow	B-Language
GIS	I-Language
is	O
the	O
MapWinGIS	O
ActiveX	B-Application
Control	I-Application
.	O
</s>
<s>
This	O
component	O
(	O
MapWinGIS.ocx	O
)	O
is	O
written	O
in	O
the	O
C++	O
programming	O
language	O
and	O
includes	O
all	O
of	O
the	O
core	O
mapping	O
,	O
data	O
management	O
,	O
and	O
data	O
analysis	O
functions	O
required	O
by	O
the	O
MapWindow	B-Language
GIS	I-Language
desktop	O
application	O
.	O
</s>
<s>
A	O
user	O
manual	O
for	O
MapWinGIS	O
ActiveX	B-Application
Control	I-Application
written	O
by	O
Daniel	O
P	O
.	O
Ames	O
and	O
Dinesh	O
Grover	O
was	O
released	O
through	O
in	O
2007	O
.	O
</s>
<s>
The	O
MapWindow	B-Language
GIS	I-Language
desktop	O
application	O
is	O
built	O
upon	O
Microsoft	O
.NET	O
technology	O
.	O
</s>
<s>
Originally	O
written	O
using	O
Visual	O
Basic	O
.NET	O
,	O
the	O
application	O
was	O
re-written	O
using	O
C#	B-Application
.NET	O
.	O
</s>
<s>
Later	O
it	O
was	O
ported	O
to	O
the	O
Microsoft	O
open	B-Application
source	I-Application
code	I-Application
repository	O
,	O
codeplex.com	O
.	O
</s>
<s>
Updates	O
for	O
MapWindow	B-Language
GIS	I-Language
are	O
regularly	O
released	O
by	O
a	O
group	O
of	O
student	O
and	O
volunteer	O
developers	O
.	O
</s>
<s>
MapWindow	B-Language
GIS	I-Language
has	O
found	O
much	O
adoption	O
in	O
the	O
water	O
resources	O
and	O
modelling	O
community	O
.	O
</s>
<s>
Fujisawa	O
used	O
MapWindow	B-Language
GIS	I-Language
in	O
conjunction	O
with	O
Google	O
Earth	O
for	O
data	O
preparation	O
.	O
</s>
<s>
MapWindow	B-Language
GIS	I-Language
was	O
extended	O
with	O
several	O
plug-ins	B-Application
and	O
custom	O
datasets	O
for	O
the	O
United	O
Nations	O
WaterBase	O
project	O
.	O
</s>
<s>
MapWindow	B-Language
GIS	I-Language
was	O
extended	O
with	O
a	O
large	O
number	O
of	O
watershed	O
analysis	O
plugins	B-Application
and	O
was	O
completely	O
rebranded	O
as	O
BASINS	O
by	O
the	O
United	O
States	O
Environmental	O
Protection	O
Agency	O
.	O
</s>
<s>
coupled	O
a	O
large	O
scale	O
water	O
quality	O
model	O
with	O
MapWindow	B-Language
GIS	I-Language
.	O
</s>
