21 |
|
printf("Usage: %s [bsdf_directory]\n", prog); |
22 |
|
printf("Input commands:\n"); |
23 |
|
printf(" L bsdf.xml\t\t\t Load (make active) given BSDF input file\n"); |
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"); |
44 |
|
v[2] = cos(theta); |
45 |
|
} |
46 |
|
|
47 |
+ |
static void |
48 |
+ |
printXYZ(const char *intro, const SDValue *vp) |
49 |
+ |
{ |
50 |
+ |
printf("%s%.3e %.3e %.3e\n", intro, |
51 |
+ |
vp->spec.cx/vp->spec.cy*vp->cieY, |
52 |
+ |
vp->cieY, |
53 |
+ |
(1.-vp->spec.cx-vp->spec.cy)/ |
54 |
+ |
vp->spec.cy*vp->cieY); |
55 |
+ |
} |
56 |
+ |
|
57 |
|
int |
58 |
|
main(int argc, char *argv[]) |
59 |
|
{ |
71 |
|
SDretainSet = SDretainBSDFs; /* keep BSDFs in memory */ |
72 |
|
|
73 |
|
/* loop on command */ |
74 |
< |
while (fgets(inp, sizeof(inp), stdin) != NULL) { |
74 |
> |
while (fgets(inp, sizeof(inp), stdin)) { |
75 |
|
int sflags = SDsampAll; |
76 |
|
char *cp = inp; |
77 |
|
char *cp2; |
97 |
|
SDfreeCache(bsdf); |
98 |
|
bsdf = SDcacheFile(path); |
99 |
|
continue; |
100 |
+ |
case 'I': /* report general info. */ |
101 |
+ |
if (!bsdf) |
102 |
+ |
goto noBSDFerr; |
103 |
+ |
printf("Material: '%s'\n", bsdf->matn); |
104 |
+ |
printf("Manufacturer: '%s'\n", bsdf->makr); |
105 |
+ |
printf("Width, Height, Thickness (m): %.4e, %.4e, %.4e\n", |
106 |
+ |
bsdf->dim[0], bsdf->dim[1], bsdf->dim[2]); |
107 |
+ |
printf("Has geometry: %s\n", bsdf->mgf ? "yes" : "no"); |
108 |
+ |
continue; |
109 |
+ |
case 'C': /* report constant values */ |
110 |
+ |
if (!bsdf) |
111 |
+ |
goto noBSDFerr; |
112 |
+ |
if (bsdf->rf) |
113 |
+ |
printf("Peak front hemispherical reflectance: %.3e\n", |
114 |
+ |
bsdf->rLambFront.cieY + |
115 |
+ |
bsdf->rf->maxHemi); |
116 |
+ |
if (bsdf->rb) |
117 |
+ |
printf("Peak back hemispherical reflectance: %.3e\n", |
118 |
+ |
bsdf->rLambBack.cieY + |
119 |
+ |
bsdf->rb->maxHemi); |
120 |
+ |
if (bsdf->tf) |
121 |
+ |
printf("Peak front hemispherical transmittance: %.3e\n", |
122 |
+ |
bsdf->tLamb.cieY + bsdf->tf->maxHemi); |
123 |
+ |
if (bsdf->tb) |
124 |
+ |
printf("Peak back hemispherical transmittance: %.3e\n", |
125 |
+ |
bsdf->tLamb.cieY + bsdf->tb->maxHemi); |
126 |
+ |
printXYZ("Diffuse Front Reflectance: ", &bsdf->rLambFront); |
127 |
+ |
printXYZ("Diffuse Back Reflectance: ", &bsdf->rLambBack); |
128 |
+ |
printXYZ("Diffuse Transmittance: ", &bsdf->tLamb); |
129 |
+ |
continue; |
130 |
|
case 'Q': /* query BSDF value */ |
131 |
< |
if (bsdf == NULL) |
131 |
> |
if (!bsdf) |
132 |
|
goto noBSDFerr; |
133 |
|
if (!*sskip2(cp,4)) |
134 |
|
break; |
135 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
136 |
|
vec_from_deg(vout, atof(sskip2(cp,3)), atof(sskip2(cp,4))); |
137 |
< |
if (!SDreportError(SDevalBSDF(&val, vout, vin, bsdf), stderr)) { |
138 |
< |
c_ccvt(&val.spec, C_CSXY); |
97 |
< |
printf("%.3e %.3e %.3e\n", |
98 |
< |
val.spec.cx/val.spec.cy*val.cieY, |
99 |
< |
val.cieY, |
100 |
< |
(1.-val.spec.cx-val.spec.cy)/ |
101 |
< |
val.spec.cy*val.cieY); |
102 |
< |
} |
137 |
> |
if (!SDreportError(SDevalBSDF(&val, vout, vin, bsdf), stderr)) |
138 |
> |
printXYZ("", &val); |
139 |
|
continue; |
140 |
|
case 'S': /* sample BSDF */ |
141 |
< |
if (bsdf == NULL) |
141 |
> |
if (!bsdf) |
142 |
|
goto noBSDFerr; |
143 |
|
if (!*sskip2(cp,3)) |
144 |
|
break; |
155 |
|
case 'H': /* hemispherical totals */ |
156 |
|
case 'R': |
157 |
|
case 'T': |
158 |
< |
if (bsdf == NULL) |
158 |
> |
if (!bsdf) |
159 |
|
goto noBSDFerr; |
160 |
|
if (!*sskip2(cp,2)) |
161 |
|
break; |
167 |
|
printf("%.4e\n", SDdirectHemi(vin, sflags, bsdf)); |
168 |
|
continue; |
169 |
|
case 'A': /* resolution in proj. steradians */ |
170 |
< |
if (bsdf == NULL) |
170 |
> |
if (!bsdf) |
171 |
|
goto noBSDFerr; |
172 |
|
if (!*sskip2(cp,2)) |
173 |
|
break; |
186 |
|
Usage(argv[0]); |
187 |
|
continue; |
188 |
|
noBSDFerr: |
189 |
< |
fprintf(stderr, "%s: need to use 'L' command to load BSDF\n", argv[0]); |
189 |
> |
fprintf(stderr, "%s: First, use 'L' command to load BSDF\n", argv[0]); |
190 |
|
} |
191 |
|
return 0; |
192 |
|
} |