<s>
Photopia	B-Application
Optical	I-Application
Design	I-Application
Software	I-Application
(	O
Photopia	O
)	O
is	O
a	O
commercial	O
optical	O
engineering	O
ray-tracing	O
software	O
program	O
for	O
the	O
design	O
and	O
analysis	O
of	O
non-imaging	O
optical	O
systems	O
.	O
</s>
<s>
Photopia	O
works	O
on	O
modern	O
versions	O
of	O
the	O
Windows	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
Photopia	O
has	O
a	O
CAD	B-Application
system	O
which	O
is	O
used	O
for	O
setting	O
up	O
simulations	O
and	O
viewing	O
results	O
.	O
</s>
<s>
Photopia	O
can	O
import	O
DXF	O
,	O
DWG	O
,	O
and	O
STL	O
drawing	O
files	O
,	O
and	O
can	O
export	O
DXF	O
and	O
3DM	O
file	O
formats	O
for	O
CAD	B-Application
translation	O
.	O
</s>
<s>
Photopia	O
has	O
a	O
scripting	O
interface	O
for	O
running	O
batch	O
analysis	O
and	O
setting	O
up	O
models	O
without	O
the	O
CAD	B-Application
interface	O
.	O
</s>
<s>
Photopia	O
for	O
SolidWorks	B-Application
is	O
an	O
add-in	O
that	O
provides	O
full	O
ray	O
trace	O
simulations	O
and	O
output	O
viewing	O
inside	O
of	O
recent	O
versions	O
of	O
SolidWorks	B-Application
.	O
</s>
<s>
Photopia	O
for	O
Rhino	B-Algorithm
is	O
an	O
add-in	O
that	O
provides	O
full	O
ray	O
trace	O
simulations	O
and	O
output	O
viewing	O
inside	O
of	O
recent	O
versions	O
of	O
Rhino	B-Algorithm
.	O
</s>
