| 3 |
|
# |
| 4 |
|
# Generate views for depth-of-field blurring on picture |
| 5 |
|
# |
| 6 |
< |
if ($#argv != 4) then |
| 7 |
< |
echo "Usage: $0 aperture distance nsamp viewfile" >/dev/tty |
| 6 |
> |
if ($#argv != 3) then |
| 7 |
> |
echo "Usage: $0 aperture nsamp viewfile" |
| 8 |
|
exit 1 |
| 9 |
|
endif |
| 10 |
|
set a = "$1" |
| 11 |
< |
set d = "$2" |
| 12 |
< |
set n = "$3" |
| 13 |
< |
set vf = "$4" |
| 11 |
> |
set n = "$2" |
| 12 |
> |
set vf = "$3" |
| 13 |
|
cnt $n | rcalc -e `vwright i < $vf` \ |
| 14 |
< |
-e "M:$n/5+1;a:$a/2;d:$d;N:$n;" -e 'tmax:PI*a*(M+1)' \ |
| 14 |
> |
-e "M:$n/5+1;a:$a/2;N:$n;" -e 'tmax:PI*a*(M+1)' \ |
| 15 |
|
-e 't=tmax/N*($1+rand($1))' \ |
| 16 |
|
-e 'theta=2*M*PI/(M-1)*(M-sqrt(M*M-(M-1)/(PI*a)*t))' \ |
| 17 |
|
-e 'r=a*(1-(M-1)/(2*M*M*PI)*theta)' \ |
| 19 |
|
-e 'opx=ipx+rcost*ihx+rsint*ivx' \ |
| 20 |
|
-e 'opy=ipy+rcost*ihy+rsint*ivy' \ |
| 21 |
|
-e 'opz=ipz+rcost*ihz+rsint*ivz' \ |
| 22 |
< |
-e 'os=is-rcost/(d*ihn);ol=il-rsint/(d*ivn)' \ |
| 22 |
> |
-e 'os=is-rcost/(id*ihn);ol=il-rsint/(id*ivn)' \ |
| 23 |
|
-o 'VIEW= -vp ${opx} ${opy} ${opz} -vs ${os} -vl ${ol}' |
