| 16 |
|
/* global argv[0] */ |
| 17 |
|
char *progname; |
| 18 |
|
/* percentage to cull (<0 to turn off) */ |
| 19 |
< |
int pctcull = 90; |
| 19 |
> |
double pctcull = 90.; |
| 20 |
|
/* sampling order */ |
| 21 |
|
int samp_order = 6; |
| 22 |
|
|
| 29 |
|
char cmd[128]; |
| 30 |
|
int ix, ox, oy; |
| 31 |
|
FVECT ivec, ovec; |
| 32 |
< |
double bsdf; |
| 32 |
> |
float bsdf; |
| 33 |
|
#if DEBUG |
| 34 |
|
fprintf(stderr, "Writing isotropic order %d ", samp_order); |
| 35 |
< |
if (pctcull >= 0) fprintf(stderr, "data with %d%% culling\n", pctcull); |
| 35 |
> |
if (pctcull >= 0) fprintf(stderr, "data with %.1f%% culling\n", pctcull); |
| 36 |
|
else fputs("raw data\n", stderr); |
| 37 |
|
#endif |
| 38 |
|
if (pctcull >= 0) { /* begin output */ |
| 39 |
< |
sprintf(cmd, "rttree_reduce -h -a -fd -r 3 -t %d -g %d", |
| 39 |
> |
sprintf(cmd, "rttree_reduce -h -a -ff -r 3 -t %f -g %d", |
| 40 |
|
pctcull, samp_order); |
| 41 |
|
fflush(stdout); |
| 42 |
|
ofp = popen(cmd, "w"); |
| 60 |
|
SDsquare2disk(ovec, (ox+.5)/sqres, (oy+.5)/sqres); |
| 61 |
|
ovec[2] = output_orient * |
| 62 |
|
sqrt(1. - ovec[0]*ovec[0] - ovec[1]*ovec[1]); |
| 63 |
< |
bsdf = eval_rbfrep(rbf, ovec) / fabs(ovec[2]); |
| 63 |
> |
bsdf = eval_rbfrep(rbf, ovec) * output_orient/ovec[2]; |
| 64 |
|
if (pctcull >= 0) |
| 65 |
|
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
| 66 |
|
else |
| 67 |
|
printf("\t%.3e\n", bsdf); |
| 68 |
|
} |
| 69 |
< |
free(rbf); |
| 69 |
> |
if (rbf != NULL) |
| 70 |
> |
free(rbf); |
| 71 |
|
} |
| 72 |
|
if (pctcull >= 0) { /* finish output */ |
| 73 |
|
if (pclose(ofp)) { |
| 91 |
|
char cmd[128]; |
| 92 |
|
int ix, iy, ox, oy; |
| 93 |
|
FVECT ivec, ovec; |
| 94 |
< |
double bsdf; |
| 94 |
> |
float bsdf; |
| 95 |
|
#if DEBUG |
| 96 |
|
fprintf(stderr, "Writing anisotropic order %d ", samp_order); |
| 97 |
< |
if (pctcull >= 0) fprintf(stderr, "data with %d%% culling\n", pctcull); |
| 97 |
> |
if (pctcull >= 0) fprintf(stderr, "data with %.1f%% culling\n", pctcull); |
| 98 |
|
else fputs("raw data\n", stderr); |
| 99 |
|
#endif |
| 100 |
|
if (pctcull >= 0) { /* begin output */ |
| 101 |
< |
sprintf(cmd, "rttree_reduce -h -a -fd -r 4 -t %d -g %d", |
| 101 |
> |
sprintf(cmd, "rttree_reduce -h -a -ff -r 4 -t %f -g %d", |
| 102 |
|
pctcull, samp_order); |
| 103 |
|
fflush(stdout); |
| 104 |
|
ofp = popen(cmd, "w"); |
| 122 |
|
SDsquare2disk(ovec, (ox+.5)/sqres, (oy+.5)/sqres); |
| 123 |
|
ovec[2] = output_orient * |
| 124 |
|
sqrt(1. - ovec[0]*ovec[0] - ovec[1]*ovec[1]); |
| 125 |
< |
bsdf = eval_rbfrep(rbf, ovec) / fabs(ovec[2]); |
| 125 |
> |
bsdf = eval_rbfrep(rbf, ovec) * output_orient/ovec[2]; |
| 126 |
|
if (pctcull >= 0) |
| 127 |
|
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
| 128 |
|
else |
| 129 |
|
printf("\t%.3e\n", bsdf); |
| 130 |
|
} |
| 131 |
< |
free(rbf); |
| 131 |
> |
if (rbf != NULL) |
| 132 |
> |
free(rbf); |
| 133 |
|
} |
| 134 |
|
if (pctcull >= 0) { /* finish output */ |
| 135 |
|
if (pclose(ofp)) { |
| 141 |
|
fputs("}\n", stdout); |
| 142 |
|
} |
| 143 |
|
|
| 144 |
+ |
/* Output XML prologue to stdout */ |
| 145 |
+ |
static void |
| 146 |
+ |
xml_prologue(int ac, char *av[]) |
| 147 |
+ |
{ |
| 148 |
+ |
static const char *bsdf_type[4] = { |
| 149 |
+ |
"Reflection Front", |
| 150 |
+ |
"Transmission Front", |
| 151 |
+ |
"Transmission Back", |
| 152 |
+ |
"Reflection Back" |
| 153 |
+ |
}; |
| 154 |
+ |
|
| 155 |
+ |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
| 156 |
+ |
puts("<WindowElement xmlns=\"http://windows.lbl.gov\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://windows.lbl.gov/BSDF-v1.4.xsd\">"); |
| 157 |
+ |
fputs("<!-- File produced by:", stdout); |
| 158 |
+ |
while (ac-- > 0) { |
| 159 |
+ |
fputc(' ', stdout); |
| 160 |
+ |
fputs(*av++, stdout); |
| 161 |
+ |
} |
| 162 |
+ |
puts(" -->"); |
| 163 |
+ |
puts("<WindowElementType>System</WindowElementType>"); |
| 164 |
+ |
puts("<FileType>BSDF</FileType>"); |
| 165 |
+ |
puts("<Optical>"); |
| 166 |
+ |
puts("<Layer>"); |
| 167 |
+ |
puts("\t<Material>"); |
| 168 |
+ |
puts("\t\t<Name>Name</Name>"); |
| 169 |
+ |
puts("\t\t<Manufacturer>Manufacturer</Manufacturer>"); |
| 170 |
+ |
puts("\t\t<DeviceType>Other</DeviceType>"); |
| 171 |
+ |
puts("\t</Material>"); |
| 172 |
+ |
puts("\t<DataDefinition>"); |
| 173 |
+ |
printf("\t\t<IncidentDataStructure>TensorTree%c</IncidentDataStructure>\n", |
| 174 |
+ |
single_plane_incident ? '3' : '4'); |
| 175 |
+ |
puts("\t</DataDefinition>"); |
| 176 |
+ |
puts("\t<WavelengthData>"); |
| 177 |
+ |
puts("\t\t<LayerNumber>System</LayerNumber>"); |
| 178 |
+ |
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
| 179 |
+ |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
| 180 |
+ |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
| 181 |
+ |
puts("\t\t<WavelengthDataBlock>"); |
| 182 |
+ |
printf("\t\t\t<WavelengthDataDirection>%s</WavelengthDataDirection>\n", |
| 183 |
+ |
bsdf_type[(input_orient>0)<<1 | (output_orient>0)]); |
| 184 |
+ |
puts("\t\t\t<AngleBasis>LBNL/Shirley-Chiu</AngleBasis>"); |
| 185 |
+ |
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
| 186 |
+ |
puts("\t\t\t<ScatteringData>"); |
| 187 |
+ |
} |
| 188 |
+ |
|
| 189 |
+ |
/* Output XML epilogue to stdout */ |
| 190 |
+ |
static void |
| 191 |
+ |
xml_epilogue(void) |
| 192 |
+ |
{ |
| 193 |
+ |
puts("\t\t\t</ScatteringData>"); |
| 194 |
+ |
puts("\t\t</WavelengthDataBlock>"); |
| 195 |
+ |
puts("\t</WavelengthData>"); |
| 196 |
+ |
puts("</Layer>"); |
| 197 |
+ |
puts("</Optical>"); |
| 198 |
+ |
puts("</WindowElement>"); |
| 199 |
+ |
} |
| 200 |
+ |
|
| 201 |
|
/* Read in BSDF and interpolate as tensor tree representation */ |
| 202 |
|
int |
| 203 |
|
main(int argc, char *argv[]) |
| 205 |
|
FILE *fpin = stdin; |
| 206 |
|
int i; |
| 207 |
|
|
| 208 |
< |
progname = argv[0]; /* get options */ |
| 209 |
< |
while (argc > 2 && argv[1][0] == '-') { |
| 210 |
< |
switch (argv[1][1]) { |
| 208 |
> |
progname = argv[0]; |
| 209 |
> |
for (i = 1; i < argc-1 && argv[i][0] == '-'; i++) |
| 210 |
> |
switch (argv[i][1]) { /* get option */ |
| 211 |
|
case 't': |
| 212 |
< |
pctcull = atoi(argv[2]); |
| 212 |
> |
pctcull = atof(argv[++i]); |
| 213 |
|
break; |
| 214 |
|
case 'g': |
| 215 |
< |
samp_order = atoi(argv[2]); |
| 215 |
> |
samp_order = atoi(argv[++i]); |
| 216 |
|
break; |
| 217 |
|
default: |
| 218 |
|
goto userr; |
| 219 |
|
} |
| 220 |
< |
argv += 2; argc -= 2; |
| 221 |
< |
} |
| 222 |
< |
if (argc == 2) { /* open input if given */ |
| 164 |
< |
fpin = fopen(argv[1], "r"); |
| 220 |
> |
|
| 221 |
> |
if (i == argc-1) { /* open input if given */ |
| 222 |
> |
fpin = fopen(argv[i], "r"); |
| 223 |
|
if (fpin == NULL) { |
| 224 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
| 225 |
|
progname, argv[1]); |
| 226 |
|
return(1); |
| 227 |
|
} |
| 228 |
< |
} else if (argc != 1) |
| 228 |
> |
} else if (i < argc-1) |
| 229 |
|
goto userr; |
| 230 |
|
SET_FILE_BINARY(fpin); /* load BSDF interpolant */ |
| 231 |
|
if (!load_bsdf_rep(fpin)) |
| 232 |
|
return(1); |
| 233 |
< |
draw_edges(); |
| 234 |
< |
/* xml_prologue(); /* start XML output */ |
| 233 |
> |
fclose(fpin); |
| 234 |
> |
xml_prologue(argc, argv); /* start XML output */ |
| 235 |
|
if (single_plane_incident) /* resample dist. */ |
| 236 |
|
interp_isotropic(); |
| 237 |
|
else |
| 238 |
|
interp_anisotropic(); |
| 239 |
< |
/* xml_epilogue(); /* finish XML output */ |
| 239 |
> |
xml_epilogue(); /* finish XML output */ |
| 240 |
|
return(0); |
| 241 |
|
userr: |
| 242 |
|
fprintf(stderr, |