369 |
|
e *= atof(cp); |
370 |
|
} |
371 |
|
if (p != NULL) { /* relative setting */ |
372 |
< |
if (intens(p->v) <= FTINY) { |
372 |
> |
if (bright(p->v) <= FTINY) { |
373 |
|
error(COMMAND, "cannot normalize to zero"); |
374 |
|
return; |
375 |
|
} |
376 |
< |
e *= 0.5 / intens(p->v); |
376 |
> |
e *= 0.5 / bright(p->v); |
377 |
|
} |
378 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
379 |
|
return; |
391 |
|
extern double minweight; |
392 |
|
extern int maxdepth; |
393 |
|
extern double dstrsrc; |
394 |
+ |
extern double shadthresh; |
395 |
|
extern COLOR ambval; |
396 |
|
extern double ambacc; |
397 |
|
extern double minarad; |
404 |
|
char buf[128]; |
405 |
|
|
406 |
|
if (s[0] == '\0') { |
407 |
< |
(*dev->comout)("aa ab ad ar as av ds lr lw sd sp: "); |
407 |
> |
(*dev->comout)("aa ab ad ar as av dj dt lr lw sp st: "); |
408 |
|
(*dev->comin)(buf); |
409 |
|
s = buf; |
410 |
|
} |
437 |
|
goto badparam; |
438 |
|
} |
439 |
|
break; |
440 |
< |
case 'd': /* distribute source */ |
441 |
< |
if (s[1] != 's') |
440 |
> |
case 'd': /* direct */ |
441 |
> |
switch (s[1]) { |
442 |
> |
case 'j': /* jitter */ |
443 |
> |
if (sscanf(s+2, "%lf", &d0) != 1) { |
444 |
> |
sprintf(buf, "direct jitter (%.6g): ", |
445 |
> |
dstrsrc); |
446 |
> |
(*dev->comout)(buf); |
447 |
> |
(*dev->comin)(buf); |
448 |
> |
if (sscanf(buf, "%lf", &d0) != 1) |
449 |
> |
break; |
450 |
> |
} |
451 |
> |
dstrsrc = d0; |
452 |
> |
break; |
453 |
> |
case 't': /* threshold */ |
454 |
> |
if (sscanf(s+2, "%lf", &d0) != 1) { |
455 |
> |
sprintf(buf, "direct threshold (%.6g): ", |
456 |
> |
shadthresh); |
457 |
> |
(*dev->comout)(buf); |
458 |
> |
(*dev->comin)(buf); |
459 |
> |
if (sscanf(buf, "%lf", &d0) != 1) |
460 |
> |
break; |
461 |
> |
} |
462 |
> |
shadthresh = d0; |
463 |
> |
break; |
464 |
> |
default: |
465 |
|
goto badparam; |
442 |
– |
if (sscanf(s+2, "%lf", &d0) != 1) { |
443 |
– |
sprintf(buf, "distribute source (%.6g): ", dstrsrc); |
444 |
– |
(*dev->comout)(buf); |
445 |
– |
(*dev->comin)(buf); |
446 |
– |
if (sscanf(buf, "%lf", &d0) != 1) |
447 |
– |
break; |
466 |
|
} |
449 |
– |
dstrsrc = d0; |
467 |
|
break; |
468 |
|
case 'a': /* ambient */ |
469 |
|
switch (s[1]) { |
555 |
|
psample = i0; |
556 |
|
pdepth = 0; |
557 |
|
break; |
558 |
< |
case 'd': /* difference */ |
558 |
> |
case 't': /* threshold */ |
559 |
|
if (sscanf(s+2, "%lf", &d0) != 1) { |
560 |
< |
sprintf(buf, "sample difference (%.6g): ", |
560 |
> |
sprintf(buf, "sample threshold (%.6g): ", |
561 |
|
maxdiff); |
562 |
|
(*dev->comout)(buf); |
563 |
|
(*dev->comin)(buf); |