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#include <string.h> |
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|
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#include "platform.h" |
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#include "rtprocess.h" /* win_popen() */ |
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#include "paths.h" |
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#include "ray.h" |
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#include "source.h" |
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#include "ambient.h" |
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#include "otypes.h" |
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#include "otspecial.h" |
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#include "rpaint.h" |
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|
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extern int psample; /* pixel sample size */ |
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|
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#define CTRL(c) ((c)-'@') |
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|
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< |
#ifdef SMLFLT |
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< |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
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#else |
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< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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< |
#endif |
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#define sscanvec(s,v) (sscanf(s,FVFORMAT,v,v+1,v+2)==3) |
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|
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extern char rifname[128]; /* rad input file name */ |
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|
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|
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|
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void |
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getview( /* get/show view parameters */ |
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getview( /* get/show/save view parameters */ |
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char *s |
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) |
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{ |
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error(COMMAND, "bad view option(s)"); |
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return; |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
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if (nextword(buf, sizeof(buf), s) != NULL) { /* write to a file */ |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
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(fp = fopen(fname, "a")) == NULL) { |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
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char *fname; |
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int success; |
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VIEW nv; |
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|
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
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/* get parameters from a file */ |
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if (nextword(buf, sizeof(buf), s) != NULL) { |
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nv = stdview; |
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if ((fname = getpath(buf, "", R_OK)) == NULL || |
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(success = viewfile(fname, &nv, NULL)) == -1) { |
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} |
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s = sskip(s); |
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} |
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while (isspace(*s)) |
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s++; |
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if (*s) |
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atos(rifname, sizeof(rifname), s); |
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else if (rifname[0] == '\0') { |
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if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
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error(COMMAND, "no previous rad file"); |
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return; |
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} |
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s = sskip(s); |
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else |
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strcat(buf, "1"); |
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if (*s) |
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atos(rifname, sizeof(rifname), s); |
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else if (rifname[0] == '\0') { |
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if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
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error(COMMAND, "no previous rad file"); |
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return; |
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} |
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) |
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{ |
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VIEW nv = ourview; |
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FVECT v1; |
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double angle, elev, zfact; |
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|
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elev = 0.0; zfact = 1.0; |
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return; |
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} |
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spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
344 |
< |
if (elev != 0.0) { |
345 |
< |
fcross(v1, nv.vdir, ourview.vup); |
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< |
normalize(v1); |
356 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
357 |
< |
} |
344 |
> |
if (elev != 0.0) |
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> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(PI/180.), GEOD_RAD); |
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> |
|
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zoomview(&nv, zfact); |
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newview(&nv); |
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} |
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|
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|
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void |
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getorigin( /* origin viewpoint */ |
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char *s |
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) |
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{ |
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+ |
VIEW nv = ourview; |
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+ |
double d; |
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/* get new view origin */ |
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if (sscanf(s, "%lf %lf", &d, &d) == 1) { |
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+ |
/* just moving some distance */ |
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+ |
VSUM(nv.vp, nv.vp, nv.vdir, d); |
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+ |
} else if (!sscanvec(s, nv.vp)) { |
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int x, y; /* need to pick origin */ |
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+ |
RAY thisray; |
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if (dev->getcur == NULL) |
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return; |
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(*dev->comout)("Pick point on surface for new origin\n"); |
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if ((*dev->getcur)(&x, &y) == ABORT) |
389 |
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return; |
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if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
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+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
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+ |
error(COMMAND, "not on image"); |
393 |
+ |
return; |
394 |
+ |
} |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
396 |
+ |
if (!localhit(&thisray, &thescene)) { |
397 |
+ |
error(COMMAND, "not a local object"); |
398 |
+ |
return; |
399 |
+ |
} |
400 |
+ |
if (thisray.rod < 0.0) /* don't look through other side */ |
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+ |
flipsurface(&thisray); |
402 |
+ |
VSUM(nv.vp, thisray.rop, thisray.ron, 20.0*FTINY); |
403 |
+ |
VCOPY(nv.vdir, thisray.ron); |
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+ |
} else if (!sscanvec(sskip2(s,3), nv.vdir) || normalize(nv.vdir) == 0.0) |
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+ |
VCOPY(nv.vdir, ourview.vdir); |
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+ |
|
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+ |
d = DOT(nv.vdir, nv.vup); /* need different up vector? */ |
408 |
+ |
if (d*d >= 1.-2.*FTINY) { |
409 |
+ |
int i; |
410 |
+ |
nv.vup[0] = nv.vup[1] = nv.vup[2] = 0.0; |
411 |
+ |
for (i = 3; i--; ) |
412 |
+ |
if (nv.vdir[i]*nv.vdir[i] < 0.34) |
413 |
+ |
break; |
414 |
+ |
nv.vup[i] = 1.; |
415 |
+ |
} |
416 |
+ |
newview(&nv); |
417 |
+ |
} |
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+ |
|
419 |
+ |
|
420 |
+ |
void |
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getexposure( /* get new exposure */ |
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char *s |
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) |
483 |
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} |
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|
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typedef union {int i; double d; COLOR C;} *MyUptr; |
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– |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
486 |
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|
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int |
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getparam( /* get variable from user */ |
520 |
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if (sscanf(buf, "%lf", &d0) != 1) |
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return(0); |
522 |
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} |
523 |
< |
if (FEQ(ptr->d, d0)) |
523 |
> |
if (FABSEQ(ptr->d, d0)) |
524 |
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return(0); |
525 |
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ptr->d = d0; |
526 |
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break; |
552 |
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if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
553 |
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return(0); |
554 |
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} |
555 |
< |
if (FEQ(colval(ptr->C,RED), d0) && |
556 |
< |
FEQ(colval(ptr->C,GRN), d1) && |
557 |
< |
FEQ(colval(ptr->C,BLU), d2)) |
555 |
> |
if (FABSEQ(colval(ptr->C,RED), d0) && |
556 |
> |
FABSEQ(colval(ptr->C,GRN), d1) && |
557 |
> |
FABSEQ(colval(ptr->C,BLU), d2)) |
558 |
|
return(0); |
559 |
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setcolor(ptr->C, d0, d1, d2); |
560 |
|
break; |
753 |
|
char *s |
754 |
|
) |
755 |
|
{ |
756 |
< |
char buf[128]; |
757 |
< |
int x, y; |
758 |
< |
OBJREC *ino; |
722 |
< |
RAY thisray; |
756 |
> |
RAY thisray; |
757 |
> |
char buf[512]; |
758 |
> |
COLOR col; |
759 |
|
|
760 |
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thisray.rmax = 0.0; |
761 |
|
|
762 |
|
if (!sscanvec(s, thisray.rorg) || |
763 |
|
!sscanvec(sskip2(s,3), thisray.rdir)) { |
764 |
+ |
int x, y; |
765 |
|
|
766 |
|
if (dev->getcur == NULL) |
767 |
|
return; |
788 |
|
OBJREC *mat = NULL; |
789 |
|
OBJREC *mod = NULL; |
790 |
|
char matspec[256]; |
791 |
+ |
OBJREC *ino; |
792 |
+ |
|
793 |
|
matspec[0] = '\0'; |
794 |
|
if (thisray.ro->omod != OVOID) { |
795 |
|
mod = objptr(thisray.ro->omod); |
796 |
< |
mat = findmaterial(mod); |
796 |
> |
mat = findmaterial(thisray.ro); |
797 |
|
} |
798 |
|
if (thisray.rod < 0.0) |
799 |
|
strcpy(matspec, "back of "); |
812 |
|
ofun[ino->otype].funame, ino->oname); |
813 |
|
(*dev->comout)(buf); |
814 |
|
(*dev->comin)(buf, NULL); |
815 |
< |
if (thisray.rot >= FHUGE) |
815 |
> |
if (thisray.rot >= FHUGE*.99) |
816 |
|
(*dev->comout)("at infinity"); |
817 |
|
else { |
818 |
|
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
819 |
|
thisray.rop[0], thisray.rop[1], |
820 |
< |
thisray.rop[2], thisray.rt); |
820 |
> |
thisray.rop[2], raydistance(&thisray)); |
821 |
|
(*dev->comout)(buf); |
822 |
|
} |
823 |
|
(*dev->comin)(buf, NULL); |
824 |
+ |
scolor_rgb(col, thisray.rcol); |
825 |
|
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
826 |
< |
colval(thisray.rcol,RED), |
827 |
< |
colval(thisray.rcol,GRN), |
828 |
< |
colval(thisray.rcol,BLU), |
829 |
< |
luminance(thisray.rcol)); |
826 |
> |
colval(col,RED), |
827 |
> |
colval(col,GRN), |
828 |
> |
colval(col,BLU), |
829 |
> |
luminance(col)); |
830 |
|
(*dev->comout)(buf); |
831 |
|
} |
832 |
|
(*dev->comin)(buf, NULL); |
843 |
|
FILE *fp; |
844 |
|
COLR *scanline; |
845 |
|
int y; |
846 |
< |
|
847 |
< |
while (isspace(*s)) |
808 |
< |
s++; |
809 |
< |
if (*s) |
810 |
< |
atos(buf, sizeof(buf), s); |
811 |
< |
else if (buf[0] == '\0') { |
846 |
> |
/* XXX relies on words.c 2.11 behavior */ |
847 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
848 |
|
error(COMMAND, "no file"); |
849 |
|
return; |
850 |
|
} |
872 |
|
fputexpos(exposure, fp); |
873 |
|
if (dev->pixaspect != 1.0) |
874 |
|
fputaspect(dev->pixaspect, fp); |
875 |
+ |
fputprims(stdprims, fp); |
876 |
|
fputformat(COLRFMT, fp); |
877 |
|
putc('\n', fp); |
878 |
|
fprtresolu(hresolu, vresolu, fp); |