64 |
|
FVECT uva[2]; /* tangent axes */ |
65 |
|
int ntris; /* number of triangles */ |
66 |
|
struct ptri { |
67 |
< |
float afrac; /* fraction of total area */ |
67 |
> |
double afrac; /* fraction of total area */ |
68 |
|
short vndx[3]; /* vertex indices */ |
69 |
|
} tri[1]; /* triangle array (extends struct) */ |
70 |
|
} POLYTRIS; /* triangulated polygon */ |
138 |
|
|
139 |
|
if (ac-- <= 0) |
140 |
|
return(NULL); |
141 |
+ |
if (verbose < 0) { /* turn off warnings */ |
142 |
+ |
strcpy(cp, "-w- "); |
143 |
+ |
cp += 4; |
144 |
+ |
} |
145 |
|
while (ac-- > 0) { |
146 |
|
strcpy(cp, *av++); |
147 |
|
while (*cp) cp++; |
383 |
|
curparams.vup[1] = 1; |
384 |
|
} |
385 |
|
/* determine sample type/bin */ |
386 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') { |
386 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) { |
387 |
|
sprintf(sbuf, "if(-Dx*%g-Dy*%g-Dz*%g,0,-1)", |
388 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2]); |
389 |
|
binv = savqstr(sbuf); |
760 |
|
} |
761 |
|
while (n--) { /* stratified sampling */ |
762 |
|
SDmultiSamp(samp3, 3, (n+frandom())/sampcnt); |
763 |
+ |
if (row >= RowMax-1) /* avoid crowding at zenith */ |
764 |
+ |
samp3[1] *= samp3[1]; |
765 |
|
alt = (row+samp3[1])*RAH; |
766 |
|
azi = (2.*PI)*(col+samp3[2]-.5)/rnaz(row); |
767 |
|
duvw[2] = cos(alt); /* measured from horizon */ |
768 |
|
duvw[0] = tsin(azi)*duvw[2]; |
769 |
< |
duvw[1] = tcos(azi)*duvw[2]; |
769 |
> |
duvw[1] = -tcos(azi)*duvw[2]; |
770 |
|
duvw[2] = sqrt(1. - duvw[2]*duvw[2]); |
771 |
|
for (i = 3; i--; ) |
772 |
|
orig_dir[1][i] = -duvw[0]*p->udir[i] - |
873 |
|
curparams.udir[1] *= -1.; |
874 |
|
curparams.udir[2] *= -1.; |
875 |
|
} |
876 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') |
876 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) |
877 |
|
curparams.sample_basis = sample_uniform; |
878 |
|
else if (tolower(curparams.hemis[0]) == 's' && |
879 |
|
tolower(curparams.hemis[1]) == 'c') |
1311 |
|
fputs(": -i, -I supported for pass-through only\n", stderr); |
1312 |
|
return(1); |
1313 |
|
} |
1314 |
< |
fmtopt[2] = (sizeof(RREAL)==sizeof(double)) ? 'd' : 'f'; |
1314 |
> |
#ifdef SMLFLT |
1315 |
> |
fmtopt[2] = 'f'; |
1316 |
> |
#else |
1317 |
> |
fmtopt[2] = 'd'; |
1318 |
> |
#endif |
1319 |
|
if (sampcnt <= 0) sampcnt = 10000; |
1320 |
|
} |
1321 |
|
sprintf(sampcntbuf, "%d", sampcnt); |