<s>
Atmospheric	O
optics	O
ray	B-Algorithm
tracing	I-Algorithm
codes	O
-	O
this	O
article	O
list	O
codes	O
for	O
light	O
scattering	O
using	O
ray-tracing	O
technique	O
to	O
study	O
atmospheric	O
optics	O
phenomena	O
such	O
as	O
rainbows	B-General_Concept
and	O
halos	O
.	O
</s>
<s>
Such	O
codes	O
are	O
one	O
of	O
many	O
approaches	O
to	O
calculations	O
of	O
light	B-Algorithm
scattering	I-Algorithm
by	I-Algorithm
particles	I-Algorithm
.	O
</s>
<s>
Ray	B-Algorithm
tracing	I-Algorithm
techniques	O
can	O
be	O
applied	O
to	O
study	O
light	O
scattering	O
by	O
spherical	O
and	O
non-spherical	O
particles	O
under	O
the	O
condition	O
that	O
the	O
size	O
of	O
a	O
particle	O
is	O
much	O
larger	O
than	O
the	O
wavelength	O
of	O
light	O
.	O
</s>
<s>
Such	O
ray	B-Algorithm
tracing	I-Algorithm
techniques	O
are	O
used	O
to	O
describe	O
optical	O
phenomena	O
such	O
as	O
rainbow	B-General_Concept
of	O
halo	O
on	O
hexagonal	O
ice	O
crystals	O
for	O
large	O
particles	O
.	O
</s>
<s>
1996	O
Ray	B-Algorithm
tracing	I-Algorithm
Single	O
Scattering	O
Properties	O
of	O
Atmospheric	O
Ice	O
Crystals	O
,	O
Andreas	O
Macke	O
,	O
Johannes	O
Mueller	O
,	O
and	O
Ehrhard	O
Raschke	O
,	O
Journal	O
of	O
the	O
Atmospheric	O
Sciences	O
,	O
1996	O
,	O
2813-2825	O
.	O
</s>
