<s>
Panorama	B-Application
Tools	I-Application
(	O
also	O
known	O
as	O
PanoTools	B-Application
)	O
are	O
a	O
suite	O
of	O
programs	O
and	O
libraries	O
for	O
image	B-Algorithm
stitching	I-Algorithm
,	O
i.e.	O
,	O
re-projecting	O
and	O
blending	O
multiple	O
source	O
images	O
into	O
immersive	B-Application
panoramas	I-Application
of	O
many	O
types	O
.	O
</s>
<s>
It	O
was	O
originally	O
written	O
by	O
German	O
physics	O
and	O
mathematics	O
professor	O
Helmut	B-Application
Dersch	I-Application
.	O
</s>
<s>
Panorama	B-Application
Tools	I-Application
provides	O
a	O
framework	O
An	O
updated	O
version	O
of	O
the	O
Panorama	B-Application
Tools	I-Application
library	O
serves	O
as	O
the	O
underlying	O
core	O
engine	O
for	O
many	O
software	O
panorama	O
graphical	B-Application
user	I-Application
interface	I-Application
front	O
ends	O
.	O
</s>
<s>
Dersch	O
started	O
development	O
on	O
Panorama	B-Application
Tools	I-Application
in	O
1998	O
,	O
producing	O
software	O
available	O
for	O
creating	O
panoramas	O
and	O
more	O
,	O
but	O
had	O
to	O
stop	O
development	O
in	O
2001	O
due	O
to	O
legal	O
harassment	O
and	O
claims	O
of	O
patent	O
infringement	O
by	O
the	O
company	O
IPIX	B-Application
.	O
</s>
<s>
Dersch	O
released	O
the	O
core	O
library	O
(	O
pano12	O
)	O
and	O
some	O
of	O
the	O
programs	O
of	O
Panorama	B-Application
Tools	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>
The	O
development	O
of	O
the	O
source	O
code	O
of	O
Panorama	B-Application
Tools	I-Application
was	O
continued	O
by	O
some	O
members	O
of	O
the	O
original	O
Panorama	B-Application
Tools	I-Application
mailing	O
list	O
.	O
</s>
<s>
In	O
December	O
2003	O
they	O
initiated	O
a	O
free	B-Application
software	I-Application
project	O
which	O
is	O
currently	O
hosted	O
by	O
SourceForge	B-Application
.	O
</s>
<s>
SourceForge	B-Application
requires	O
that	O
all	O
hosted	O
software	O
is	O
released	O
under	O
an	O
open	O
source	O
license	O
.	O
</s>
<s>
On	O
5	O
August	O
2007	O
,	O
Dersch	O
announced	O
his	O
intention	O
to	O
relicense	O
the	O
Panorama	B-Application
Tools	I-Application
source	O
code	O
.	O
</s>
<s>
On	O
9	O
August	O
2007	O
,	O
Dersch	O
changed	O
the	O
license	O
to	O
a	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
PanoTools	B-Application
consists	O
of	O
the	O
following	O
components	O
:	O
</s>
<s>
PTEditor	O
Java	B-Language
interactive	B-Application
panorama	I-Application
editor	O
.	O
</s>
<s>
PTPicker	O
Java	B-Language
front	O
end	O
to	O
panorama	O
stitcher	O
and	O
other	O
tools	O
.	O
</s>
<s>
It	O
provides	O
a	O
graphical	B-Application
interface	I-Application
for	O
feature	O
point	O
selection	O
and	O
position	O
optimization	O
.	O
</s>
<s>
PTCrypt	O
Java	B-Language
tool	O
for	O
scrambling	O
pictures	O
intended	O
to	O
be	O
viewed	O
on-line	O
with	O
PTViewer	O
.	O
</s>
<s>
PTStitcher	O
Panorama	B-Algorithm
stitching	I-Algorithm
tool	O
which	O
remaps	O
,	O
adjusts	O
and	O
combines	O
arbitrary	O
images	O
to	O
panoramic	O
views	O
.	O
</s>
<s>
PTStereo	O
Creates	O
3-dimensional	O
objects	O
from	O
2	O
or	O
more	O
stereoscopic	B-Algorithm
images	I-Algorithm
.	O
</s>
<s>
PanoTools	B-Application
PluginsPhotoshop	O
,	O
GraphicConverter	B-Operating_System
and	O
GIMP	B-Application
plug-ins	O
for	O
image	O
correction	O
and	O
remapping	O
.	O
</s>
<s>
Also	O
compatible	O
to	O
many	O
other	O
programs	O
that	O
can	O
use	O
Photoshop	B-Operating_System
plug-ins	O
.	O
</s>
<s>
In	O
2006	O
the	O
functionality	O
of	O
PTstitcher	O
was	O
reproduced	O
by	O
the	O
developers	O
of	O
Panorama	B-Application
Tools	I-Application
.	O
</s>
<s>
PTtiff2psd†	O
Takes	O
a	O
series	O
of	O
input	O
images	O
and	O
creates	O
a	O
Photoshop	B-Operating_System
PSD	O
file	O
where	O
each	O
input	O
file	O
is	O
a	O
layer	O
.	O
</s>
<s>
To	O
make	O
working	O
with	O
Panorama	B-Application
Tools	I-Application
easier	O
and	O
to	O
add	O
functionality	O
,	O
many	O
interactive	O
,	O
graphical	O
front-ends	O
to	O
Panorama	B-Application
Tools	I-Application
have	O
been	O
developed	O
,	O
both	O
open	O
source	O
(	O
e.g.	O
</s>
<s>
Hugin	B-Application
)	O
and	O
commercial	O
(	O
e.g.	O
</s>
<s>
PTgui	B-Language
and	O
PTMac	O
)	O
,	O
along	O
with	O
a	O
variety	O
of	O
other	O
companion	O
applications	O
(	O
e.g.	O
</s>
<s>
smartblend	O
and	O
)	O
,	O
which	O
in	O
many	O
cases	O
make	O
interacting	O
directly	O
with	O
the	O
programs	O
in	O
the	O
original	O
Panorama	B-Application
Tools	I-Application
toolset	O
unnecessary	O
.	O
</s>
