24 |
|
printf(" i\t\t\t\t Report general information (metadata)\n"); |
25 |
|
printf(" c\t\t\t\t Report diffuse and specular components\n"); |
26 |
|
printf(" q theta_i phi_i theta_o phi_o\t Query BSDF for given path (CIE-XYZ)\n"); |
27 |
< |
printf(" s N theta phi\t\t\t Generate N ray directions at given incidence\n"); |
28 |
< |
printf(" h theta phi\t\t\t Report hemispherical total at given incidence\n"); |
29 |
< |
printf(" r theta phi\t\t\t Report hemispherical reflection at given incidence\n"); |
30 |
< |
printf(" t theta phi\t\t\t Report hemispherical transmission at given incidence\n"); |
27 |
> |
printf(" s[r|t][s|d] N theta phi\t Generate N ray directions & colors at given incidence\n"); |
28 |
> |
printf(" h[s|d] theta phi\t\t Report hemispherical scattering at given incidence\n"); |
29 |
> |
printf(" r[s|d] theta phi\t\t Report hemispherical reflection at given incidence\n"); |
30 |
> |
printf(" t[s|d] theta phi\t\t Report hemispherical transmission at given incidence\n"); |
31 |
|
printf(" a theta phi [t2 p2]\t\t Report resolution (in proj. steradians) for given direction(s)\n"); |
32 |
|
printf(" ^D\t\t\t\t Quit program\n"); |
33 |
|
} |
47 |
|
static void |
48 |
|
printXYZ(const char *intro, const SDValue *vp) |
49 |
|
{ |
50 |
+ |
if (vp->cieY <= 1e-9) { |
51 |
+ |
printf("%s0 0 0\n", intro); |
52 |
+ |
return; |
53 |
+ |
} |
54 |
|
printf("%s%.3e %.3e %.3e\n", intro, |
55 |
|
vp->spec.cx/vp->spec.cy*vp->cieY, |
56 |
|
vp->cieY, |
81 |
|
char *cp2; |
82 |
|
FVECT vin, vout; |
83 |
|
double proja[2]; |
84 |
< |
int n; |
84 |
> |
int n, i; |
85 |
|
SDValue val; |
86 |
|
|
87 |
|
while (isspace(*cp)) cp++; |
146 |
|
goto noBSDFerr; |
147 |
|
if (!*sskip2(cp,3)) |
148 |
|
break; |
149 |
< |
n = atoi(sskip2(cp,1)); |
149 |
> |
if (toupper(cp[1]) == 'R') { |
150 |
> |
sflags &= ~SDsampT; |
151 |
> |
++cp; |
152 |
> |
} else if (toupper(cp[1]) == 'T') { |
153 |
> |
sflags &= ~SDsampR; |
154 |
> |
++cp; |
155 |
> |
} |
156 |
> |
if (toupper(cp[1]) == 'S') |
157 |
> |
sflags &= ~SDsampDf; |
158 |
> |
else if (toupper(cp[1]) == 'D') |
159 |
> |
sflags &= ~SDsampSp; |
160 |
> |
i = n = atoi(sskip2(cp,1)); |
161 |
|
vec_from_deg(vin, atof(sskip2(cp,2)), atof(sskip2(cp,3))); |
162 |
< |
while (n-- > 0) { |
163 |
< |
if (SDreportError(SDsampBSDF(&val, vin, |
164 |
< |
rand()*(1./(RAND_MAX+.5)), |
162 |
> |
while (i-- > 0) { |
163 |
> |
VCOPY(vout, vin); |
164 |
> |
if (SDreportError(SDsampBSDF(&val, vout, |
165 |
> |
(i+rand()*(1./(RAND_MAX+.5)))/(double)n, |
166 |
|
sflags, bsdf), stderr)) |
167 |
|
break; |
168 |
< |
printf("%.8f %.8f %.8f\n", vin[0], vin[1], vin[2]); |
168 |
> |
printf("%.8f %.8f %.8f ", vout[0], vout[1], vout[2]); |
169 |
> |
printXYZ("", &val); |
170 |
|
} |
171 |
|
continue; |
172 |
< |
case 'H': /* hemispherical totals */ |
172 |
> |
case 'H': /* hemispherical values */ |
173 |
|
case 'R': |
174 |
|
case 'T': |
175 |
|
if (!bsdf) |
176 |
|
goto noBSDFerr; |
177 |
|
if (!*sskip2(cp,2)) |
178 |
|
break; |
179 |
< |
if (tolower(*cp) == 'r') |
179 |
> |
if (toupper(cp[0]) == 'R') |
180 |
|
sflags &= ~SDsampT; |
181 |
< |
else if (tolower(*cp) == 't') |
181 |
> |
else if (toupper(cp[0]) == 'T') |
182 |
|
sflags &= ~SDsampR; |
183 |
+ |
if (toupper(cp[1]) == 'S') |
184 |
+ |
sflags &= ~SDsampDf; |
185 |
+ |
else if (toupper(cp[1]) == 'D') |
186 |
+ |
sflags &= ~SDsampSp; |
187 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
188 |
|
printf("%.4e\n", SDdirectHemi(vin, sflags, bsdf)); |
189 |
|
continue; |
195 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
196 |
|
if (*sskip2(cp,4)) { |
197 |
|
vec_from_deg(vout, atof(sskip2(cp,3)), atof(sskip2(cp,4))); |
198 |
< |
if (SDreportError(SDsizeBSDF(proja, vin, vout, |
198 |
> |
if (SDreportError(SDsizeBSDF(proja, vout, vin, |
199 |
|
SDqueryMin+SDqueryMax, bsdf), stderr)) |
200 |
|
continue; |
201 |
|
} else if (SDreportError(SDsizeBSDF(proja, vin, NULL, |