29 |
|
const SimpleStats SSinit = {FHUGE, -FHUGE, .0, 0}; |
30 |
|
|
31 |
|
/* relative difference formula */ |
32 |
< |
#define rdiff(a,b) ((a)>(b) ? ((a)-(b))/(a) : ((b)-(a))/(b)) |
32 |
> |
#define rdiff(a,b) ((a)>(b) ? ((a)-(b))/((a)+FTINY) : ((b)-(a))/((b)+FTINY)) |
33 |
|
|
34 |
|
/* Figure out BSDF type (and optionally determine if in color) */ |
35 |
|
const char * |
80 |
|
void |
81 |
|
detailComponent(const char *nm, const SDValue *lamb, const SDSpectralDF *df) |
82 |
|
{ |
83 |
< |
printf("%s\t%4.1f %4.1f %4.1f\t\t", nm, |
83 |
> |
fputs(nm, stdout); |
84 |
> |
if (lamb->spec.flags) |
85 |
> |
printf("\t%4.1f %4.1f %4.1f\t\t", |
86 |
|
100.*lamb->cieY*lamb->spec.cx/lamb->spec.cy, |
87 |
|
100.*lamb->cieY, |
88 |
|
100.*lamb->cieY*(1.f - lamb->spec.cx - lamb->spec.cy)/lamb->spec.cy); |
89 |
+ |
else |
90 |
+ |
fputs("\t 0 0 0\t\t", stdout); |
91 |
|
if (df) |
92 |
|
printf("%5.1f%%\t\t%.2f deg\n", 100.*df->maxHemi, |
93 |
|
sqrt(df->minProjSA/M_PI)*(360./M_PI)); |
94 |
|
else |
95 |
< |
puts("0%\t\t180"); |
95 |
> |
puts(" 0%\t\t180 deg"); |
96 |
|
} |
97 |
|
|
98 |
|
/* Add a value to stats */ |
181 |
|
if (fl & F_MATRIX) { /* special case for matrix BSDF */ |
182 |
|
const SDMat *m = (const SDMat *)df->comp[0].dist; |
183 |
|
int i = m->ninc; |
184 |
+ |
double diffuseY; |
185 |
|
FVECT vin, vout; |
186 |
|
double fwdY; |
187 |
|
SDValue rev; |
188 |
+ |
if (side1 == side2) |
189 |
+ |
diffuseY = (side1 > 0) ? bsdf->rLambFront.cieY : bsdf->rLambBack.cieY; |
190 |
+ |
else |
191 |
+ |
diffuseY = (side1 > 0) ? bsdf->tLambFront.cieY : bsdf->tLambBack.cieY; |
192 |
+ |
diffuseY /= M_PI; |
193 |
|
while (i--) { |
194 |
|
int o = m->nout; |
195 |
|
if (!mBSDF_incvec(vin, m, i+.5)) |
197 |
|
while (o--) { |
198 |
|
if (!mBSDF_outvec(vout, m, o+.5)) |
199 |
|
continue; |
200 |
< |
fwdY = mBSDF_value(m, o, i); |
200 |
> |
fwdY = mBSDF_value(m, o, i) + diffuseY; |
201 |
|
if (fwdY <= 1e-4) |
202 |
|
continue; |
203 |
|
if (SDreportError( SDevalBSDF(&rev, vout, vin, bsdf), stderr)) |
206 |
|
addStat(&myStats, rdiff(fwdY, rev.cieY)); |
207 |
|
} |
208 |
|
} |
209 |
< |
} if (fl & F_ISOTROPIC) { /* isotropic case */ |
209 |
> |
} else if (fl & F_ISOTROPIC) { /* isotropic case */ |
210 |
|
const double stepSize = sqrt(df->minProjSA/M_PI); |
211 |
|
FVECT vin; |
212 |
|
vin[1] = 0; |
226 |
|
return; |
227 |
|
} |
228 |
|
nothing2do: |
229 |
< |
printf("%s\t0\t0\t0\n", nm); |
229 |
> |
printf("%s\t 0\t 0\t 0\n", nm); |
230 |
|
} |
231 |
|
|
232 |
|
/* Report on the given BSDF XML file */ |
240 |
|
puts("====================================================="); |
241 |
|
printf("File: '%s'\n", fname); |
242 |
|
SDclearBSDF(&myBSDF, fname); |
243 |
< |
pth = getpath(fname, getrlibpath(), R_OK); |
243 |
> |
pth = getpath(fname, getrlibpath(), 0); |
244 |
|
if (!pth) { |
245 |
|
fprintf(stderr, "Cannot find file '%s'\n", fname); |
246 |
|
return 0; |
254 |
|
printf("Type: %s\n", getBSDFtype(&myBSDF, &flags)); |
255 |
|
printf("Color: %d\n", (flags & F_IN_COLOR) != 0); |
256 |
|
printf("Has Geometry: %d\n", (myBSDF.mgf != NULL)); |
257 |
< |
puts("Component\tLambertian XYZ %\tMax. Dir\tMin. Angle"); |
258 |
< |
detailComponent("Internal Refl", &myBSDF.rLambFront, myBSDF.rf); |
259 |
< |
detailComponent("External Refl", &myBSDF.rLambBack, myBSDF.rb); |
257 |
> |
puts("Component\tLambertian XYZ (%)\tMax. Dir\tMin. Angle"); |
258 |
> |
detailComponent("Interior Refl", &myBSDF.rLambFront, myBSDF.rf); |
259 |
> |
detailComponent("Exterior Refl", &myBSDF.rLambBack, myBSDF.rb); |
260 |
|
detailComponent("Int->Ext Trans", &myBSDF.tLambFront, myBSDF.tf); |
261 |
|
detailComponent("Ext->Int Trans", &myBSDF.tLambBack, myBSDF.tb); |
262 |
|
puts("Component\tReciprocity Error (min avg max %)"); |
263 |
< |
checkReciprocity("Front Refl", 1, 1, &myBSDF, flags); |
264 |
< |
checkReciprocity("Back Refl", -1, -1, &myBSDF, flags); |
263 |
> |
checkReciprocity("Interior Refl", 1, 1, &myBSDF, flags); |
264 |
> |
checkReciprocity("Exterior Refl", -1, -1, &myBSDF, flags); |
265 |
|
checkReciprocity("Transmission", -1, 1, &myBSDF, flags); |
266 |
|
SDfreeBSDF(&myBSDF); |
267 |
|
return 1; |