8 |
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*/ |
9 |
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|
10 |
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#define _USE_MATH_DEFINES |
11 |
– |
#include <stdio.h> |
11 |
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#include <stdlib.h> |
12 |
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#include <math.h> |
13 |
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#include <ctype.h> |
19 |
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{ |
20 |
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printf("Usage: %s [bsdf_directory]\n", prog); |
21 |
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printf("Input commands:\n"); |
22 |
< |
printf(" l bsdf.xml\t\t\t Load (make active) given BSDF input file\n"); |
23 |
< |
printf(" q theta_i phi_i theta_o phi_o\t Query BSDF for given path\n"); |
24 |
< |
printf(" s N theta phi\t\t\t Generate N ray directions at given incidence\n"); |
25 |
< |
printf(" h theta phi\t\t\t Report hemispherical total at given incidence\n"); |
26 |
< |
printf(" r theta phi\t\t\t Report hemispherical reflection at given incidence\n"); |
27 |
< |
printf(" t theta phi\t\t\t Report hemispherical transmission at given incidence\n"); |
22 |
> |
printf(" L bsdf.xml\t\t\t Load (make active) given BSDF input file\n"); |
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> |
printf(" i\t\t\t\t Report general information (metadata)\n"); |
24 |
> |
printf(" c\t\t\t\t Report diffuse and specular components\n"); |
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> |
printf(" q theta_i phi_i theta_o phi_o\t Query BSDF for given path (CIE-XYZ)\n"); |
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> |
printf(" s[r|t][s|d] N theta phi\t Generate N ray directions & colors at given incidence\n"); |
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> |
printf(" h[s|d] theta phi\t\t Report hemispherical scattering at given incidence\n"); |
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> |
printf(" r[s|d] theta phi\t\t Report hemispherical reflection at given incidence\n"); |
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> |
printf(" t[s|d] theta phi\t\t Report hemispherical transmission at given incidence\n"); |
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printf(" a theta phi [t2 p2]\t\t Report resolution (in proj. steradians) for given direction(s)\n"); |
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printf(" ^D\t\t\t\t Quit program\n"); |
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} |
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v[2] = cos(theta); |
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} |
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|
46 |
+ |
static void |
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+ |
printXYZ(const char *intro, const SDValue *vp) |
48 |
+ |
{ |
49 |
+ |
if (vp->cieY <= 1e-9) { |
50 |
+ |
printf("%s0 0 0\n", intro); |
51 |
+ |
return; |
52 |
+ |
} |
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printf("%s%.3e %.3e %.3e\n", intro, |
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vp->spec.cx/vp->spec.cy*vp->cieY, |
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+ |
vp->cieY, |
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(1.-vp->spec.cx-vp->spec.cy)/ |
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+ |
vp->spec.cy*vp->cieY); |
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} |
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|
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int |
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main(int argc, char *argv[]) |
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{ |
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< |
const char *directory = ""; |
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const char *directory = NULL; |
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char inp[512], path[512]; |
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const SDData *bsdf = NULL; |
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|
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if (argc == 2) |
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directory = argv[1]; |
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|
74 |
< |
SDretainSet = SDretainBSDFs; /* keep BSDFs loaded */ |
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> |
SDretainSet = SDretainBSDFs; /* keep BSDFs in memory */ |
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|
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/* loop on command */ |
77 |
< |
while (fgets(inp, sizeof(inp), stdin) != NULL) { |
77 |
> |
while (fgets(inp, sizeof(inp), stdin)) { |
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int sflags = SDsampAll; |
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char *cp = inp; |
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char *cp2; |
81 |
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FVECT vin, vout; |
82 |
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double proja[2]; |
83 |
< |
int n; |
83 |
> |
int n, i; |
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SDValue val; |
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|
86 |
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while (isspace(*cp)) cp++; |
87 |
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|
88 |
< |
switch (*cp) { |
74 |
< |
case 'l': |
88 |
> |
switch (toupper(*cp)) { |
89 |
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case 'L': /* load/activate BSDF input */ |
90 |
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cp2 = cp = sskip2(cp, 1); |
91 |
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if (!*cp) |
92 |
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break; |
93 |
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while (*cp) cp++; |
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while (isspace(*--cp)) *cp = '\0'; |
95 |
< |
if (directory[0]) |
95 |
> |
if (directory) |
96 |
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sprintf(path, "%s/%s", directory, cp2); |
97 |
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else |
98 |
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strcpy(path, cp2); |
99 |
< |
if (bsdf != NULL) |
99 |
> |
if (bsdf) |
100 |
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SDfreeCache(bsdf); |
101 |
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bsdf = SDcacheFile(path); |
102 |
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continue; |
103 |
< |
case 'q': |
103 |
> |
case 'I': /* report general info. */ |
104 |
> |
if (!bsdf) |
105 |
> |
goto noBSDFerr; |
106 |
> |
printf("Material: '%s'\n", bsdf->matn); |
107 |
> |
printf("Manufacturer: '%s'\n", bsdf->makr); |
108 |
> |
printf("Width, Height, Thickness (m): %.4e, %.4e, %.4e\n", |
109 |
> |
bsdf->dim[0], bsdf->dim[1], bsdf->dim[2]); |
110 |
> |
if (bsdf->mgf) |
111 |
> |
printf("Has geometry: %lu bytes\n", |
112 |
> |
(unsigned long)strlen(bsdf->mgf)); |
113 |
> |
else |
114 |
> |
printf("Has geometry: no\n"); |
115 |
> |
break; |
116 |
> |
case 'C': /* report constant values */ |
117 |
> |
if (!bsdf) |
118 |
> |
goto noBSDFerr; |
119 |
> |
if (bsdf->rf) |
120 |
> |
printf("Peak front hemispherical reflectance: %.3e\n", |
121 |
> |
bsdf->rLambFront.cieY + |
122 |
> |
bsdf->rf->maxHemi); |
123 |
> |
if (bsdf->rb) |
124 |
> |
printf("Peak back hemispherical reflectance: %.3e\n", |
125 |
> |
bsdf->rLambBack.cieY + |
126 |
> |
bsdf->rb->maxHemi); |
127 |
> |
if (bsdf->tf) |
128 |
> |
printf("Peak front hemispherical transmittance: %.3e\n", |
129 |
> |
bsdf->tLambFront.cieY + bsdf->tf->maxHemi); |
130 |
> |
if (bsdf->tb) |
131 |
> |
printf("Peak back hemispherical transmittance: %.3e\n", |
132 |
> |
bsdf->tLambBack.cieY + bsdf->tb->maxHemi); |
133 |
> |
printXYZ("Diffuse Front Reflectance: ", &bsdf->rLambFront); |
134 |
> |
printXYZ("Diffuse Back Reflectance: ", &bsdf->rLambBack); |
135 |
> |
printXYZ("Diffuse Front Transmittance: ", &bsdf->tLambFront); |
136 |
> |
printXYZ("Diffuse Back Transmittance: ", &bsdf->tLambBack); |
137 |
> |
break; |
138 |
|
case 'Q': /* query BSDF value */ |
139 |
< |
if (bsdf == NULL) |
139 |
> |
if (!bsdf) |
140 |
|
goto noBSDFerr; |
141 |
|
if (!*sskip2(cp,4)) |
142 |
|
break; |
143 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
144 |
|
vec_from_deg(vout, atof(sskip2(cp,3)), atof(sskip2(cp,4))); |
145 |
|
if (!SDreportError(SDevalBSDF(&val, vout, vin, bsdf), stderr)) |
146 |
< |
printf("%.3e\n", val.cieY); |
147 |
< |
continue; |
100 |
< |
case 's': |
146 |
> |
printXYZ("", &val); |
147 |
> |
break; |
148 |
|
case 'S': /* sample BSDF */ |
149 |
< |
if (bsdf == NULL) |
149 |
> |
if (!bsdf) |
150 |
|
goto noBSDFerr; |
151 |
|
if (!*sskip2(cp,3)) |
152 |
|
break; |
153 |
< |
n = atoi(sskip2(cp,1)); |
153 |
> |
if (toupper(cp[1]) == 'R') { |
154 |
> |
sflags &= ~SDsampT; |
155 |
> |
++cp; |
156 |
> |
} else if (toupper(cp[1]) == 'T') { |
157 |
> |
sflags &= ~SDsampR; |
158 |
> |
++cp; |
159 |
> |
} |
160 |
> |
if (toupper(cp[1]) == 'S') |
161 |
> |
sflags &= ~SDsampDf; |
162 |
> |
else if (toupper(cp[1]) == 'D') |
163 |
> |
sflags &= ~SDsampSp; |
164 |
> |
i = n = atoi(sskip2(cp,1)); |
165 |
|
vec_from_deg(vin, atof(sskip2(cp,2)), atof(sskip2(cp,3))); |
166 |
< |
while (n-- > 0) { |
167 |
< |
if (SDreportError(SDsampBSDF(&val, vin, |
168 |
< |
rand()*(1./(RAND_MAX+.5)), |
166 |
> |
while (i-- > 0) { |
167 |
> |
VCOPY(vout, vin); |
168 |
> |
if (SDreportError(SDsampBSDF(&val, vout, |
169 |
> |
(i+rand()*(1./(RAND_MAX+.5)))/(double)n, |
170 |
|
sflags, bsdf), stderr)) |
171 |
|
break; |
172 |
< |
printf("%.8f %.8f %.8f\n", vin[0], vin[1], vin[2]); |
172 |
> |
printf("%.8f %.8f %.8f ", vout[0], vout[1], vout[2]); |
173 |
> |
printXYZ("", &val); |
174 |
|
} |
175 |
< |
continue; |
176 |
< |
case 'h': |
117 |
< |
case 'H': /* hemispherical totals */ |
118 |
< |
case 'r': |
175 |
> |
break; |
176 |
> |
case 'H': /* hemispherical values */ |
177 |
|
case 'R': |
120 |
– |
case 't': |
178 |
|
case 'T': |
179 |
< |
if (bsdf == NULL) |
179 |
> |
if (!bsdf) |
180 |
|
goto noBSDFerr; |
181 |
|
if (!*sskip2(cp,2)) |
182 |
|
break; |
183 |
< |
if (tolower(*cp) == 'r') |
184 |
< |
sflags ^= SDsampT; |
185 |
< |
else if (tolower(*cp) == 't') |
186 |
< |
sflags ^= SDsampR; |
183 |
> |
if (toupper(cp[0]) == 'R') |
184 |
> |
sflags &= ~SDsampT; |
185 |
> |
else if (toupper(cp[0]) == 'T') |
186 |
> |
sflags &= ~SDsampR; |
187 |
> |
if (toupper(cp[1]) == 'S') |
188 |
> |
sflags &= ~SDsampDf; |
189 |
> |
else if (toupper(cp[1]) == 'D') |
190 |
> |
sflags &= ~SDsampSp; |
191 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
192 |
|
printf("%.4e\n", SDdirectHemi(vin, sflags, bsdf)); |
193 |
< |
continue; |
194 |
< |
case 'a': |
195 |
< |
case 'A': /* resolution in degrees */ |
135 |
< |
if (bsdf == NULL) |
193 |
> |
break; |
194 |
> |
case 'A': /* resolution in proj. steradians */ |
195 |
> |
if (!bsdf) |
196 |
|
goto noBSDFerr; |
197 |
|
if (!*sskip2(cp,2)) |
198 |
|
break; |
199 |
|
vec_from_deg(vin, atof(sskip2(cp,1)), atof(sskip2(cp,2))); |
200 |
|
if (*sskip2(cp,4)) { |
201 |
|
vec_from_deg(vout, atof(sskip2(cp,3)), atof(sskip2(cp,4))); |
202 |
< |
if (SDreportError(SDsizeBSDF(proja, vin, vout, |
202 |
> |
if (SDreportError(SDsizeBSDF(proja, vout, vin, |
203 |
|
SDqueryMin+SDqueryMax, bsdf), stderr)) |
204 |
|
continue; |
205 |
|
} else if (SDreportError(SDsizeBSDF(proja, vin, NULL, |
206 |
|
SDqueryMin+SDqueryMax, bsdf), stderr)) |
207 |
|
continue; |
208 |
|
printf("%.4e %.4e\n", proja[0], proja[1]); |
209 |
< |
continue; |
209 |
> |
break; |
210 |
> |
default: |
211 |
> |
Usage(argv[0]); |
212 |
> |
break; |
213 |
|
} |
214 |
< |
Usage(argv[0]); |
214 |
> |
fflush(stdout); /* in case we're on remote */ |
215 |
|
continue; |
216 |
|
noBSDFerr: |
217 |
< |
fprintf(stderr, "%s: need to use 'l' command to load BSDF\n", argv[0]); |
217 |
> |
fprintf(stderr, "%s: First, use 'L' command to load BSDF\n", argv[0]); |
218 |
|
} |
219 |
|
return 0; |
220 |
|
} |