<s>
Dragon	O
is	O
a	O
remote	B-Application
sensing	I-Application
image	B-Algorithm
processing	I-Algorithm
software	O
package	O
.	O
</s>
<s>
It	O
was	O
intended	O
to	O
be	O
free	O
worldwide	O
,	O
as	O
well	O
as	O
open	B-License
source	I-License
(	O
hence	O
the	O
name	O
)	O
but	O
due	O
to	O
funding	O
problems	O
,	O
it	O
is	O
currently	O
available	O
only	O
in	O
Southeast	O
Asia	O
.	O
</s>
<s>
MS-DOS	B-Application
.	O
</s>
<s>
The	O
software	O
provides	O
a	O
fairly	O
conventional	O
set	O
of	O
remote	B-Application
sensing	I-Application
operations	O
,	O
</s>
<s>
Some	O
raster	O
geographic	B-Application
information	I-Application
systems	I-Application
GIS	B-Application
operations	O
such	O
as	O
slope	O
,	O
aspect	O
,	O
and	O
buffer	O
calculations	O
;	O
</s>
<s>
Import	O
from	O
and	O
export	O
to	O
various	O
standard	O
image	O
file	O
formats	O
such	O
as	O
GeoTIFF	B-Application
.	O
</s>
<s>
However	O
this	O
assumes	O
the	O
image	O
uses	O
a	O
distance-preserving	O
projection	B-Application
.	O
</s>
<s>
The	O
software	O
runs	O
only	O
on	O
Microsoft	B-Application
Windows	I-Application
,	O
although	O
three	O
of	O
its	O
four	O
components	O
also	O
build	O
and	O
run	O
on	O
Linux	B-Application
.	O
</s>
