<s>
PTGui	B-Language
is	O
a	O
panorama	O
photo	B-Algorithm
stitching	I-Algorithm
program	O
for	O
Windows	B-Application
and	O
macOS	B-Application
developed	O
by	O
New	O
House	O
Internet	O
Services	O
BV	O
.	O
</s>
<s>
PTGui	B-Language
was	O
created	O
as	O
a	O
GUI	B-Application
frontend	O
to	O
Helmut	B-Application
Dersch	I-Application
's	O
Panorama	B-Application
Tools	I-Application
.	O
</s>
<s>
It	O
features	O
its	O
own	O
stitching	B-Algorithm
and	O
blending	O
engine	O
along	O
with	O
compatibility	O
to	O
Panorama	B-Application
Tools	I-Application
.	O
</s>
<s>
PTGui	B-Language
supports	O
telephoto	O
,	O
normal	O
,	O
wide	O
angle	O
and	O
fisheye	O
lenses	O
to	O
create	O
partial	O
cylindrical	O
up	O
to	O
full	O
spherical	O
panoramas	O
.	O
</s>
<s>
PTGui	B-Language
can	O
handle	O
multiple	O
rows	O
of	O
images	O
.	O
</s>
<s>
Originally	O
released	O
for	O
Windows	B-Application
,	O
version	O
6.0.3	O
introduced	O
support	O
for	O
Mac	B-Application
OS	I-Application
X	O
.	O
</s>
<s>
The	O
'	O
free	O
trial	O
version	O
 '	O
of	O
PTGui	B-Language
is	O
fully	O
functional	O
but	O
creates	O
panoramas	O
with	O
embedded	O
visible	O
watermarks	O
.	O
</s>
<s>
PTGui	B-Language
Pro	O
also	O
includes	O
HDR	O
and	O
tone	B-Language
mapping	I-Language
support	O
.	O
</s>
