1 |
– |
/* Copyright (c) 1995 Regents of the University of California */ |
2 |
– |
|
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|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* rv2.c - command routines used in tracing a view. |
6 |
|
* |
7 |
< |
* 3/24/87 |
7 |
> |
* External symbols declared in rpaint.h |
8 |
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*/ |
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|
|
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+ |
/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
17 |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
21 |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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+ |
* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
29 |
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* if any, must include the following acknowledgment: |
30 |
+ |
* "This product includes Radiance software |
31 |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
40 |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
60 |
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* |
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* This software consists of voluntary contributions made by many |
62 |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
63 |
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* information on Lawrence Berkeley National Laboratory, please see |
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+ |
* <http://www.lbl.gov/>. |
65 |
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*/ |
66 |
+ |
|
67 |
|
#include "ray.h" |
68 |
|
|
15 |
– |
#include "octree.h" |
16 |
– |
|
69 |
|
#include "otypes.h" |
70 |
|
|
71 |
|
#include "rpaint.h" |
72 |
|
|
21 |
– |
#include "resolu.h" |
22 |
– |
|
73 |
|
#include <ctype.h> |
74 |
|
|
75 |
+ |
extern int psample; /* pixel sample size */ |
76 |
+ |
extern double maxdiff; /* max. sample difference */ |
77 |
+ |
|
78 |
|
#define CTRL(c) ((c)-'@') |
79 |
|
|
80 |
|
#ifdef SMLFLT |
83 |
|
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
84 |
|
#endif |
85 |
|
|
33 |
– |
extern char *atos(); |
34 |
– |
|
35 |
– |
extern FILE *popen(); |
36 |
– |
|
86 |
|
extern char rifname[128]; /* rad input file name */ |
87 |
|
|
39 |
– |
extern char VersionID[]; |
88 |
|
extern char *progname; |
89 |
|
extern char *octname; |
90 |
|
|
91 |
|
|
92 |
+ |
void |
93 |
|
getframe(s) /* get a new frame */ |
94 |
|
char *s; |
95 |
|
{ |
99 |
|
} |
100 |
|
|
101 |
|
|
102 |
+ |
void |
103 |
|
getrepaint(s) /* get area and repaint */ |
104 |
|
char *s; |
105 |
|
{ |
111 |
|
} |
112 |
|
|
113 |
|
|
114 |
+ |
void |
115 |
|
getview(s) /* get/show view parameters */ |
116 |
|
char *s; |
117 |
|
{ |
216 |
|
} |
217 |
|
|
218 |
|
|
219 |
+ |
void |
220 |
|
lastview(s) /* return to a previous view */ |
221 |
|
char *s; |
222 |
|
{ |
250 |
|
} |
251 |
|
|
252 |
|
|
253 |
+ |
void |
254 |
|
saveview(s) /* save view to rad file */ |
255 |
|
char *s; |
256 |
|
{ |
287 |
|
} |
288 |
|
|
289 |
|
|
290 |
+ |
void |
291 |
|
loadview(s) /* load view from rad file */ |
292 |
|
char *s; |
293 |
|
{ |
329 |
|
} |
330 |
|
|
331 |
|
|
332 |
+ |
void |
333 |
|
getaim(s) /* aim camera */ |
334 |
|
char *s; |
335 |
|
{ |
349 |
|
} |
350 |
|
|
351 |
|
|
352 |
+ |
void |
353 |
|
getmove(s) /* move camera */ |
354 |
|
char *s; |
355 |
|
{ |
362 |
|
} |
363 |
|
|
364 |
|
|
365 |
+ |
void |
366 |
|
getrotate(s) /* rotate camera */ |
367 |
|
char *s; |
368 |
|
{ |
392 |
|
} |
393 |
|
|
394 |
|
|
395 |
+ |
void |
396 |
|
getpivot(s) /* pivot viewpoint */ |
397 |
|
register char *s; |
398 |
|
{ |
410 |
|
} |
411 |
|
|
412 |
|
|
413 |
+ |
void |
414 |
|
getexposure(s) /* get new exposure */ |
415 |
|
char *s; |
416 |
|
{ |
476 |
|
redraw(); |
477 |
|
} |
478 |
|
|
479 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
480 |
|
|
481 |
< |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
481 |
> |
int |
482 |
> |
getparam(str, dsc, typ, p) /* get variable from user */ |
483 |
|
char *str, *dsc; |
484 |
|
int typ; |
485 |
< |
register union {int i; double d; COLOR C;} *ptr; |
485 |
> |
void *p; |
486 |
|
{ |
487 |
< |
extern char *index(); |
487 |
> |
register MyUptr ptr = (MyUptr)p; |
488 |
|
int i0; |
489 |
|
double d0, d1, d2; |
490 |
|
char buf[48]; |
542 |
|
} |
543 |
|
|
544 |
|
|
545 |
+ |
void |
546 |
|
setparam(s) /* get/set program parameter */ |
547 |
|
register char *s; |
548 |
|
{ |
487 |
– |
extern int psample; |
488 |
– |
extern double maxdiff; |
489 |
– |
extern double minweight; |
490 |
– |
extern int maxdepth; |
491 |
– |
extern double dstrsrc; |
492 |
– |
extern double shadthresh; |
493 |
– |
extern double shadcert; |
494 |
– |
extern COLOR ambval; |
495 |
– |
extern int ambvwt; |
496 |
– |
extern double ambacc; |
497 |
– |
extern int ambres; |
498 |
– |
extern int ambdiv; |
499 |
– |
extern int ambssamp; |
500 |
– |
extern int ambounce; |
501 |
– |
extern COLOR cextinction; |
502 |
– |
extern double salbedo; |
503 |
– |
extern double seccg; |
504 |
– |
extern double ssampdist; |
505 |
– |
extern int directvis; |
506 |
– |
extern double srcsizerat; |
507 |
– |
extern int do_irrad; |
508 |
– |
extern double specjitter; |
509 |
– |
extern double specthresh; |
510 |
– |
extern int backvis; |
549 |
|
char buf[128]; |
550 |
|
|
551 |
|
if (s[0] == '\0') { |
558 |
|
case 'l': /* limit */ |
559 |
|
switch (s[1]) { |
560 |
|
case 'w': /* weight */ |
561 |
< |
getparam(s+2, "limit weight", 'r', &minweight); |
561 |
> |
getparam(s+2, "limit weight", 'r', |
562 |
> |
(void *)&minweight); |
563 |
|
break; |
564 |
|
case 'r': /* reflection */ |
565 |
< |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
565 |
> |
getparam(s+2, "limit reflection", 'i', |
566 |
> |
(void *)&maxdepth); |
567 |
|
break; |
568 |
|
default: |
569 |
|
goto badparam; |
572 |
|
case 'd': /* direct */ |
573 |
|
switch (s[1]) { |
574 |
|
case 'j': /* jitter */ |
575 |
< |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
575 |
> |
getparam(s+2, "direct jitter", 'r', |
576 |
> |
(void *)&dstrsrc); |
577 |
|
break; |
578 |
|
case 'c': /* certainty */ |
579 |
< |
getparam(s+2, "direct certainty", 'r', &shadcert); |
579 |
> |
getparam(s+2, "direct certainty", 'r', |
580 |
> |
(void *)&shadcert); |
581 |
|
break; |
582 |
|
case 't': /* threshold */ |
583 |
< |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
583 |
> |
getparam(s+2, "direct threshold", 'r', |
584 |
> |
(void *)&shadthresh); |
585 |
|
break; |
586 |
|
case 'v': /* visibility */ |
587 |
< |
getparam(s+2, "direct visibility", |
588 |
< |
'b', &directvis); |
587 |
> |
getparam(s+2, "direct visibility", 'b', |
588 |
> |
(void *)&directvis); |
589 |
|
break; |
590 |
|
case 's': /* sampling */ |
591 |
< |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
591 |
> |
getparam(s+2, "direct sampling", 'r', |
592 |
> |
(void *)&srcsizerat); |
593 |
|
break; |
594 |
|
default: |
595 |
|
goto badparam; |
598 |
|
case 'b': /* back faces or black and white */ |
599 |
|
switch (s[1]) { |
600 |
|
case 'v': /* back face visibility */ |
601 |
< |
getparam(s+2, "back face visibility", 'b', &backvis); |
601 |
> |
getparam(s+2, "back face visibility", 'b', |
602 |
> |
(void *)&backvis); |
603 |
|
break; |
604 |
|
case '\0': /* black and white */ |
605 |
|
case ' ': |
606 |
|
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
607 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
608 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
608 |
> |
getparam(s+1, "black and white", 'b', |
609 |
> |
(void *)&greyscale); |
610 |
|
break; |
611 |
|
default: |
612 |
|
goto badparam; |
613 |
|
} |
614 |
|
break; |
615 |
|
case 'i': /* irradiance */ |
616 |
< |
getparam(s+1, "irradiance", 'b', &do_irrad); |
616 |
> |
getparam(s+1, "irradiance", 'b', |
617 |
> |
(void *)&do_irrad); |
618 |
|
break; |
619 |
|
case 'a': /* ambient */ |
620 |
|
switch (s[1]) { |
621 |
|
case 'v': /* value */ |
622 |
< |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
622 |
> |
getparam(s+2, "ambient value", 'C', |
623 |
> |
(void *)ambval); |
624 |
|
break; |
625 |
|
case 'w': /* weight */ |
626 |
< |
getparam(s+2, "ambient value weight", 'i', &ambvwt); |
626 |
> |
getparam(s+2, "ambient value weight", 'i', |
627 |
> |
(void *)&ambvwt); |
628 |
|
break; |
629 |
|
case 'a': /* accuracy */ |
630 |
< |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
630 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
631 |
> |
(void *)&ambacc)) |
632 |
|
setambacc(ambacc); |
633 |
|
break; |
634 |
|
case 'd': /* divisions */ |
635 |
< |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
635 |
> |
getparam(s+2, "ambient divisions", 'i', |
636 |
> |
(void *)&ambdiv); |
637 |
|
break; |
638 |
|
case 's': /* samples */ |
639 |
< |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
639 |
> |
getparam(s+2, "ambient super-samples", 'i', |
640 |
> |
(void *)&ambssamp); |
641 |
|
break; |
642 |
|
case 'b': /* bounces */ |
643 |
< |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
643 |
> |
getparam(s+2, "ambient bounces", 'i', |
644 |
> |
(void *)&ambounce); |
645 |
|
break; |
646 |
|
case 'r': |
647 |
< |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
647 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
648 |
> |
(void *)&ambres)) |
649 |
|
setambres(ambres); |
650 |
|
break; |
651 |
|
default: |
656 |
|
switch (s[1]) { |
657 |
|
case 'e': /* extinction coefficient */ |
658 |
|
getparam(s+2, "extinction coefficient", 'C', |
659 |
< |
(COLOR *)cextinction); |
659 |
> |
(void *)cextinction); |
660 |
|
break; |
661 |
|
case 'a': /* scattering albedo */ |
662 |
< |
getparam(s+2, "scattering albedo", 'r', &salbedo); |
662 |
> |
getparam(s+2, "scattering albedo", 'C', |
663 |
> |
(void *)salbedo); |
664 |
|
break; |
665 |
|
case 'g': /* scattering eccentricity */ |
666 |
< |
getparam(s+2, "scattering eccentricity", 'r', &seccg); |
666 |
> |
getparam(s+2, "scattering eccentricity", 'r', |
667 |
> |
(void *)&seccg); |
668 |
|
break; |
669 |
|
case 's': /* sampling distance */ |
670 |
|
getparam(s+2, "mist sampling distance", 'r', |
671 |
< |
&ssampdist); |
671 |
> |
(void *)&ssampdist); |
672 |
|
break; |
673 |
|
default: |
674 |
|
goto badparam; |
677 |
|
case 'p': /* pixel */ |
678 |
|
switch (s[1]) { |
679 |
|
case 's': /* sample */ |
680 |
< |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
680 |
> |
if (getparam(s+2, "pixel sample", 'i', |
681 |
> |
(void *)&psample)) |
682 |
|
pdepth = 0; |
683 |
|
break; |
684 |
|
case 't': /* threshold */ |
685 |
< |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
685 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
686 |
> |
(void *)&maxdiff)) |
687 |
|
pdepth = 0; |
688 |
|
break; |
689 |
|
default: |
693 |
|
case 's': /* specular */ |
694 |
|
switch (s[1]) { |
695 |
|
case 'j': /* jitter */ |
696 |
< |
getparam(s+2, "specular jitter", 'r', &specjitter); |
696 |
> |
getparam(s+2, "specular jitter", 'r', |
697 |
> |
(void *)&specjitter); |
698 |
|
break; |
699 |
|
case 't': /* threshold */ |
700 |
< |
getparam(s+2, "specular threshold", 'r', &specthresh); |
700 |
> |
getparam(s+2, "specular threshold", 'r', |
701 |
> |
(void *)&specthresh); |
702 |
|
break; |
703 |
|
default: |
704 |
|
goto badparam; |
716 |
|
} |
717 |
|
|
718 |
|
|
719 |
+ |
void |
720 |
|
traceray(s) /* trace a single ray */ |
721 |
|
char *s; |
722 |
|
{ |
723 |
|
char buf[128]; |
724 |
|
int x, y; |
725 |
+ |
OBJREC *ino; |
726 |
|
RAY thisray; |
727 |
|
|
728 |
|
thisray.rmax = 0.0; |
760 |
|
objptr(thisray.ro->omod)->oname, |
761 |
|
ofun[thisray.ro->otype].funame, |
762 |
|
thisray.ro->oname); |
763 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
764 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
765 |
+ |
ofun[ino->otype].funame, ino->oname); |
766 |
|
(*dev->comout)(buf); |
767 |
|
(*dev->comin)(buf, NULL); |
768 |
|
if (thisray.rot >= FHUGE) |
774 |
|
(*dev->comout)(buf); |
775 |
|
} |
776 |
|
(*dev->comin)(buf, NULL); |
777 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
777 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
778 |
|
colval(thisray.rcol,RED), |
779 |
|
colval(thisray.rcol,GRN), |
780 |
|
colval(thisray.rcol,BLU), |
785 |
|
} |
786 |
|
|
787 |
|
|
788 |
+ |
void |
789 |
|
writepict(s) /* write the picture to a file */ |
790 |
|
char *s; |
791 |
|
{ |
824 |
|
else |
825 |
|
putc('\n', fp); |
826 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
827 |
+ |
fputnow(fp); |
828 |
|
if (exposure != 1.0) |
829 |
|
fputexpos(exposure, fp); |
830 |
|
if (dev->pixaspect != 1.0) |
845 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
846 |
|
break; |
847 |
|
} |
848 |
< |
free((char *)scanline); |
848 |
> |
free((void *)scanline); |
849 |
|
if (fclose(fp) < 0) |
850 |
|
error(COMMAND, "write error"); |
851 |
|
} |