| 37 |
|
|
| 38 |
|
int repeatcnt = 1; |
| 39 |
|
|
| 40 |
– |
char *progname; |
| 40 |
|
|
| 42 |
– |
|
| 41 |
|
int |
| 42 |
|
main( |
| 43 |
|
int argc, |
| 48 |
|
int rval, getdim = 0; |
| 49 |
|
int i; |
| 50 |
|
|
| 51 |
< |
progname = argv[0]; |
| 51 |
> |
fixargv0(argv[0]); /* sets global progname */ |
| 52 |
|
if (argc < 2) |
| 53 |
|
goto userr; |
| 54 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 107 |
|
break; |
| 108 |
|
case 'c': /* repeat count */ |
| 109 |
|
repeatcnt = atoi(argv[++i]); |
| 110 |
+ |
if (repeatcnt < 1) repeatcnt = 1; |
| 111 |
|
break; |
| 112 |
|
case 'p': /* pixel aspect or jitter */ |
| 113 |
|
if (argv[i][2] == 'a') |
| 153 |
|
(vw.vaft > FTINY) ? " -ld+" : ""); |
| 154 |
|
return(0); |
| 155 |
|
} |
| 156 |
+ |
if ((repeatcnt > 1) & (pj > FTINY)) |
| 157 |
+ |
initurand(1024); |
| 158 |
|
if (fromstdin) |
| 159 |
|
pix2rays(stdin); |
| 160 |
|
else |
| 173 |
|
RREAL loc[2] |
| 174 |
|
) |
| 175 |
|
{ |
| 176 |
< |
if (pj > FTINY) { |
| 177 |
< |
loc[0] += pj*(.5 - frandom())/rs.xr; |
| 178 |
< |
loc[1] += pj*(.5 - frandom())/rs.yr; |
| 179 |
< |
} |
| 176 |
> |
static int nsamp; |
| 177 |
> |
double xyr[2]; |
| 178 |
> |
|
| 179 |
> |
if (pj <= FTINY) |
| 180 |
> |
return; |
| 181 |
> |
|
| 182 |
> |
if (repeatcnt == 1) { |
| 183 |
> |
xyr[0] = frandom(); |
| 184 |
> |
xyr[1] = frandom(); |
| 185 |
> |
} else /* stratify samples */ |
| 186 |
> |
multisamp(xyr, 2, urand(nsamp++)); |
| 187 |
> |
|
| 188 |
> |
loc[0] += pj*(.5 - xyr[0])/rs.xr; |
| 189 |
> |
loc[1] += pj*(.5 - xyr[1])/rs.yr; |
| 190 |
|
} |
| 191 |
|
|
| 192 |
|
|
