| 20 |
|
{ |
| 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(" q theta_i phi_i theta_o phi_o\t Query BSDF for given path\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"); |
| 29 |
|
printf(" r theta phi\t\t\t Report hemispherical reflection 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 |
|
{ |
| 60 |
< |
const char *directory = ""; |
| 60 |
> |
const char *directory = NULL; |
| 61 |
|
char inp[512], path[512]; |
| 62 |
|
const SDData *bsdf = NULL; |
| 63 |
|
|
| 68 |
|
if (argc == 2) |
| 69 |
|
directory = argv[1]; |
| 70 |
|
|
| 71 |
< |
SDretainSet = SDretainBSDFs; /* keep BSDFs loaded */ |
| 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; |
| 82 |
|
|
| 83 |
|
while (isspace(*cp)) cp++; |
| 84 |
|
|
| 85 |
< |
switch (*cp) { |
| 74 |
< |
case 'l': |
| 85 |
> |
switch (toupper(*cp)) { |
| 86 |
|
case 'L': /* load/activate BSDF input */ |
| 87 |
|
cp2 = cp = sskip2(cp, 1); |
| 88 |
|
if (!*cp) |
| 89 |
|
break; |
| 90 |
|
while (*cp) cp++; |
| 91 |
|
while (isspace(*--cp)) *cp = '\0'; |
| 92 |
< |
if (directory[0]) |
| 92 |
> |
if (directory) |
| 93 |
|
sprintf(path, "%s/%s", directory, cp2); |
| 94 |
|
else |
| 95 |
|
strcpy(path, cp2); |
| 96 |
+ |
if (bsdf) |
| 97 |
+ |
SDfreeCache(bsdf); |
| 98 |
|
bsdf = SDcacheFile(path); |
| 99 |
|
continue; |
| 100 |
< |
case 'q': |
| 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 |
< |
printf("%.3e\n", val.cieY); |
| 138 |
> |
printXYZ("", &val); |
| 139 |
|
continue; |
| 98 |
– |
case 's': |
| 140 |
|
case 'S': /* sample BSDF */ |
| 141 |
< |
if (bsdf == NULL) |
| 141 |
> |
if (!bsdf) |
| 142 |
|
goto noBSDFerr; |
| 143 |
|
if (!*sskip2(cp,3)) |
| 144 |
|
break; |
| 152 |
|
printf("%.8f %.8f %.8f\n", vin[0], vin[1], vin[2]); |
| 153 |
|
} |
| 154 |
|
continue; |
| 114 |
– |
case 'h': |
| 155 |
|
case 'H': /* hemispherical totals */ |
| 116 |
– |
case 'r': |
| 156 |
|
case 'R': |
| 118 |
– |
case 't': |
| 157 |
|
case 'T': |
| 158 |
< |
if (bsdf == NULL) |
| 158 |
> |
if (!bsdf) |
| 159 |
|
goto noBSDFerr; |
| 160 |
|
if (!*sskip2(cp,2)) |
| 161 |
|
break; |
| 162 |
|
if (tolower(*cp) == 'r') |
| 163 |
< |
sflags ^= SDsampT; |
| 163 |
> |
sflags &= ~SDsampT; |
| 164 |
|
else if (tolower(*cp) == 't') |
| 165 |
< |
sflags ^= SDsampR; |
| 165 |
> |
sflags &= ~SDsampR; |
| 166 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
| 167 |
|
printf("%.4e\n", SDdirectHemi(vin, sflags, bsdf)); |
| 168 |
|
continue; |
| 169 |
< |
case 'a': |
| 170 |
< |
case 'A': /* resolution in degrees */ |
| 133 |
< |
if (bsdf == NULL) |
| 169 |
> |
case 'A': /* resolution in proj. steradians */ |
| 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 |
|
} |
