<s>
OpenEV	B-Language
is	O
an	O
open-source	B-Application
geospatial	O
toolkit	O
and	O
a	O
frontend	B-General_Concept
to	O
that	O
toolkit	O
.	O
</s>
<s>
OpenEV	B-Language
was	O
developed	O
using	O
Python	B-Language
and	O
uses	O
the	O
GDAL	B-Language
library	O
to	O
display	O
georeferenced	O
images	O
and	O
elevation	O
data	O
.	O
</s>
<s>
The	O
application	O
also	O
has	O
image	O
editing	O
capabilities	O
and	O
uses	O
OpenGL	B-Application
to	O
display	O
elevation	O
data	O
in	O
three-dimensions	O
.	O
</s>
<s>
The	O
original	O
version	O
of	O
OpenEV	B-Language
was	O
developed	O
by	O
Atlantis	O
Scientific	O
(	O
renamed	O
Vexcel	O
)	O
as	O
a	O
prototype	O
viewer	O
for	O
the	O
Canadian	O
Geospatial	O
Data	O
Infrastructure	O
.	O
</s>
<s>
OpenEV	B-Language
has	O
since	O
been	O
used	O
by	O
NASA	O
's	O
Jet	O
Propulsion	O
Laboratory	O
and	O
the	O
American	O
Museum	O
of	O
Natural	O
History	O
.	O
</s>
<s>
It	O
was	O
also	O
the	O
base	O
for	O
the	O
CIETmap	B-Application
software	O
,	O
which	O
is	O
now	O
developed	O
also	O
by	O
Mario	O
Beauchamp	O
.	O
</s>
<s>
OpenEV	B-Language
supports	O
numerous	O
raster	B-Algorithm
and	O
vector	O
formats	O
such	O
as	O
shapefiles	O
.	O
</s>
<s>
Since	O
it	O
uses	O
the	O
GDAL	B-Language
library	O
to	O
display	O
images	O
,	O
it	O
supports	O
the	O
same	O
formats	O
.	O
</s>
