| 287 |
|
for (cp++; isspace(*cp); cp++) |
| 288 |
|
; |
| 289 |
|
if (*cp == '\0') { /* interactive */ |
| 290 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
| 290 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
| 291 |
|
(*dev->comout)(buf); |
| 292 |
|
(*dev->comin)(buf, NULL); |
| 293 |
|
for (cp = buf; isspace(*cp); cp++) |
| 305 |
|
e *= atof(cp); |
| 306 |
|
} |
| 307 |
|
if (p != NULL) { /* relative setting */ |
| 308 |
< |
if (bright(p->v) < 1e-25) { |
| 308 |
> |
if (bright(p->v) < 1e-15) { |
| 309 |
|
error(COMMAND, "cannot normalize to zero"); |
| 310 |
|
return; |
| 311 |
|
} |
| 398 |
|
extern int ambdiv; |
| 399 |
|
extern int ambssamp; |
| 400 |
|
extern int ambounce; |
| 401 |
< |
extern int directinvis; |
| 401 |
> |
extern int directvis; |
| 402 |
|
extern double srcsizerat; |
| 403 |
|
extern int do_irrad; |
| 404 |
|
extern double specjitter; |
| 435 |
|
case 't': /* threshold */ |
| 436 |
|
getparam(s+2, "direct threshold", 'r', &shadthresh); |
| 437 |
|
break; |
| 438 |
< |
case 'i': /* invisibility */ |
| 439 |
< |
getparam(s+2, "direct invisibility", |
| 440 |
< |
'b', &directinvis); |
| 438 |
> |
case 'v': /* visibility */ |
| 439 |
> |
getparam(s+2, "direct visibility", |
| 440 |
> |
'b', &directvis); |
| 441 |
|
break; |
| 442 |
|
case 's': /* sampling */ |
| 443 |
|
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
