| 14 |
|
#include <math.h> |
| 15 |
|
#include "random.h" |
| 16 |
|
#include "platform.h" |
| 17 |
+ |
#include "paths.h" |
| 18 |
+ |
#include "rtio.h" |
| 19 |
|
#include "calcomp.h" |
| 20 |
|
#include "bsdfrep.h" |
| 21 |
|
#include "bsdf_m.h" |
| 22 |
+ |
/* tristimulus components */ |
| 23 |
+ |
enum {CIE_X, CIE_Y, CIE_Z}; |
| 24 |
+ |
/* assumed maximum # Klems patches */ |
| 25 |
+ |
#define MAXPATCHES 145 |
| 26 |
|
/* global argv[0] */ |
| 27 |
|
char *progname; |
| 28 |
|
/* selected basis function name */ |
| 29 |
< |
static const char *kbasis = "LBNL/Klems Full"; |
| 29 |
> |
static const char klems_full[] = "LBNL/Klems Full"; |
| 30 |
> |
static const char klems_half[] = "LBNL/Klems Half"; |
| 31 |
> |
static const char klems_quarter[] = "LBNL/Klems Quarter"; |
| 32 |
> |
static const char *kbasis = klems_full; |
| 33 |
|
/* number of BSDF samples per patch */ |
| 34 |
|
static int npsamps = 256; |
| 35 |
+ |
/* limit on number of RBF lobes */ |
| 36 |
+ |
static int lobe_lim = 15000; |
| 37 |
+ |
/* progress bar length */ |
| 38 |
+ |
static int do_prog = 79; |
| 39 |
|
|
| 40 |
< |
/* Return angle basis corresponding to the given name */ |
| 41 |
< |
ANGLE_BASIS * |
| 42 |
< |
get_basis(const char *bn) |
| 30 |
< |
{ |
| 31 |
< |
int n = nabases; |
| 32 |
< |
|
| 33 |
< |
while (n-- > 0) |
| 34 |
< |
if (!strcasecmp(bn, abase_list[n].name)) |
| 35 |
< |
return &abase_list[n]; |
| 36 |
< |
return NULL; |
| 37 |
< |
} |
| 40 |
> |
#define MAXCARG 512 /* wrapBSDF command */ |
| 41 |
> |
static char *wrapBSDF[MAXCARG] = {"wrapBSDF", "-W", "-UU"}; |
| 42 |
> |
static int wbsdfac = 3; |
| 43 |
|
|
| 44 |
< |
/* Output XML prologue to stdout */ |
| 44 |
> |
/* Add argument to wrapBSDF, allocating space if isstatic */ |
| 45 |
|
static void |
| 46 |
< |
xml_prologue(int ac, char *av[]) |
| 46 |
> |
add_wbsdf(const char *arg, int isstatic) |
| 47 |
|
{ |
| 48 |
< |
ANGLE_BASIS *abp = get_basis(kbasis); |
| 49 |
< |
int i; |
| 50 |
< |
|
| 51 |
< |
if (abp == NULL) { |
| 52 |
< |
fprintf(stderr, "%s: unknown angle basis '%s'\n", progname, kbasis); |
| 48 |
> |
if (arg == NULL) |
| 49 |
> |
return; |
| 50 |
> |
if (wbsdfac >= MAXCARG-1) { |
| 51 |
> |
fputs(progname, stderr); |
| 52 |
> |
fputs(": too many command arguments to wrapBSDF\n", stderr); |
| 53 |
|
exit(1); |
| 54 |
|
} |
| 55 |
< |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
| 56 |
< |
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\">"); |
| 57 |
< |
fputs("<!-- File produced by:", stdout); |
| 58 |
< |
while (ac-- > 0) { |
| 59 |
< |
fputc(' ', stdout); |
| 60 |
< |
fputs(*av++, stdout); |
| 56 |
< |
} |
| 57 |
< |
puts(" -->"); |
| 58 |
< |
puts("<WindowElementType>System</WindowElementType>"); |
| 59 |
< |
puts("<FileType>BSDF</FileType>"); |
| 60 |
< |
puts("<Optical>"); |
| 61 |
< |
puts("<Layer>"); |
| 62 |
< |
puts("\t<Material>"); |
| 63 |
< |
puts("\t\t<Name>Name</Name>"); |
| 64 |
< |
puts("\t\t<Manufacturer>Manufacturer</Manufacturer>"); |
| 65 |
< |
puts("\t\t<DeviceType>Other</DeviceType>"); |
| 66 |
< |
puts("\t</Material>"); |
| 67 |
< |
puts("\t<DataDefinition>"); |
| 68 |
< |
puts("\t\t<IncidentDataStructure>Columns</IncidentDataStructure>"); |
| 69 |
< |
puts("\t\t<AngleBasis>"); |
| 70 |
< |
printf("\t\t\t<AngleBasisName>%s</AngleBasisName>\n", kbasis); |
| 71 |
< |
for (i = 0; abp->lat[i].nphis; i++) { |
| 72 |
< |
puts("\t\t\t<AngleBasisBlock>"); |
| 73 |
< |
printf("\t\t\t<Theta>%g</Theta>\n", i ? |
| 74 |
< |
.5*(abp->lat[i].tmin + abp->lat[i+1].tmin) : |
| 75 |
< |
.0 ); |
| 76 |
< |
printf("\t\t\t<nPhis>%d</nPhis>", abp->lat[i].nphis); |
| 77 |
< |
puts("\t\t\t<ThetaBounds>"); |
| 78 |
< |
printf("\t\t\t\t<LowerTheta>%g</LowerTheta>\n", abp->lat[i].tmin); |
| 79 |
< |
printf("\t\t\t\t<UpperTheta>%g</UpperTheta>\n", abp->lat[i+1].tmin); |
| 80 |
< |
puts("\t\t\t</ThetaBounds>"); |
| 81 |
< |
puts("\t\t\t</AngleBasisBlock>"); |
| 82 |
< |
} |
| 83 |
< |
puts("\t\t</AngleBasis>"); |
| 84 |
< |
puts("\t</DataDefinition>"); |
| 55 |
> |
if (!*arg) |
| 56 |
> |
arg = ""; |
| 57 |
> |
else if (!isstatic) |
| 58 |
> |
arg = savqstr((char *)arg); |
| 59 |
> |
|
| 60 |
> |
wrapBSDF[wbsdfac++] = (char *)arg; |
| 61 |
|
} |
| 62 |
|
|
| 63 |
< |
/* Output XML data prologue to stdout */ |
| 63 |
> |
/* Start new progress bar */ |
| 64 |
> |
#define prog_start(s) if (do_prog) fprintf(stderr, "%s: %s...\n", progname, s); else |
| 65 |
> |
|
| 66 |
> |
/* Draw progress bar of the appropriate length */ |
| 67 |
|
static void |
| 68 |
< |
data_prologue() |
| 68 |
> |
prog_show(double frac) |
| 69 |
|
{ |
| 70 |
< |
static const char *bsdf_type[4] = { |
| 71 |
< |
"Reflection Front", |
| 72 |
< |
"Transmission Front", |
| 73 |
< |
"Transmission Back", |
| 95 |
< |
"Reflection Back" |
| 96 |
< |
}; |
| 70 |
> |
static unsigned call_cnt = 0; |
| 71 |
> |
static char lastc[] = "-\\|/"; |
| 72 |
> |
char pbar[256]; |
| 73 |
> |
int nchars; |
| 74 |
|
|
| 75 |
< |
puts("\t<WavelengthData>"); |
| 76 |
< |
puts("\t\t<LayerNumber>System</LayerNumber>"); |
| 77 |
< |
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
| 78 |
< |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
| 79 |
< |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
| 80 |
< |
puts("\t\t<WavelengthDataBlock>"); |
| 81 |
< |
printf("\t\t\t<WavelengthDataDirection>%s</WavelengthDataDirection>\n", |
| 82 |
< |
bsdf_type[(input_orient>0)<<1 | (output_orient>0)]); |
| 83 |
< |
printf("\t\t\t<ColumnAngleBasis>%s</ColumnAngleBasis>\n", kbasis); |
| 84 |
< |
printf("\t\t\t<RowAngleBasis>%s</RowAngleBasis>\n", kbasis); |
| 85 |
< |
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
| 86 |
< |
puts("\t\t\t<ScatteringData>"); |
| 75 |
> |
if (do_prog <= 1) return; |
| 76 |
> |
if (do_prog > sizeof(pbar)-2) |
| 77 |
> |
do_prog = sizeof(pbar)-2; |
| 78 |
> |
if (frac < 0) frac = 0; |
| 79 |
> |
else if (frac >= 1) frac = .9999; |
| 80 |
> |
nchars = do_prog*frac; |
| 81 |
> |
pbar[0] = '\r'; |
| 82 |
> |
memset(pbar+1, '*', nchars); |
| 83 |
> |
pbar[nchars+1] = lastc[call_cnt++ & 3]; |
| 84 |
> |
memset(pbar+2+nchars, '-', do_prog-nchars-1); |
| 85 |
> |
pbar[do_prog+1] = '\0'; |
| 86 |
> |
fputs(pbar, stderr); |
| 87 |
|
} |
| 88 |
|
|
| 89 |
< |
/* Output XML data epilogue to stdout */ |
| 89 |
> |
/* Finish progress bar */ |
| 90 |
|
static void |
| 91 |
< |
data_epilogue(void) |
| 91 |
> |
prog_done(void) |
| 92 |
|
{ |
| 93 |
< |
puts("\t\t\t</ScatteringData>"); |
| 94 |
< |
puts("\t\t</WavelengthDataBlock>"); |
| 95 |
< |
puts("\t</WavelengthData>"); |
| 93 |
> |
int n = do_prog; |
| 94 |
> |
|
| 95 |
> |
if (n <= 1) return; |
| 96 |
> |
fputc('\r', stderr); |
| 97 |
> |
while (n--) |
| 98 |
> |
fputc(' ', stderr); |
| 99 |
> |
fputc('\r', stderr); |
| 100 |
|
} |
| 101 |
|
|
| 102 |
< |
/* Output XML epilogue to stdout */ |
| 103 |
< |
static void |
| 104 |
< |
xml_epilogue(void) |
| 102 |
> |
/* Return angle basis corresponding to the given name */ |
| 103 |
> |
static ANGLE_BASIS * |
| 104 |
> |
get_basis(const char *bn) |
| 105 |
|
{ |
| 106 |
< |
puts("</Layer>"); |
| 107 |
< |
puts("</Optical>"); |
| 108 |
< |
puts("</WindowElement>"); |
| 106 |
> |
int n = nabases; |
| 107 |
> |
|
| 108 |
> |
while (n-- > 0) |
| 109 |
> |
if (!strcasecmp(bn, abase_list[n].name)) |
| 110 |
> |
return &abase_list[n]; |
| 111 |
> |
return NULL; |
| 112 |
|
} |
| 113 |
|
|
| 114 |
+ |
/* Copy geometry string to file for wrapBSDF */ |
| 115 |
+ |
static char * |
| 116 |
+ |
save_geom(const char *mgf) |
| 117 |
+ |
{ |
| 118 |
+ |
char *tfname = mktemp(savqstr(TEMPLATE)); |
| 119 |
+ |
int fd = open(tfname, O_CREAT|O_WRONLY, 0600); |
| 120 |
+ |
|
| 121 |
+ |
if (fd < 0) |
| 122 |
+ |
return(NULL); |
| 123 |
+ |
write(fd, mgf, strlen(mgf)); |
| 124 |
+ |
close(fd); |
| 125 |
+ |
add_wbsdf("-g", 1); |
| 126 |
+ |
add_wbsdf(tfname, 1); |
| 127 |
+ |
return(tfname); |
| 128 |
+ |
} |
| 129 |
+ |
|
| 130 |
+ |
/* Open XYZ component file for output and add appropriate arguments */ |
| 131 |
+ |
static FILE * |
| 132 |
+ |
open_component_file(int c) |
| 133 |
+ |
{ |
| 134 |
+ |
static const char sname[3][6] = {"CIE-X", "CIE-Y", "CIE-Z"}; |
| 135 |
+ |
static const char cname[4][4] = {"-rf", "-tf", "-tb", "-rb"}; |
| 136 |
+ |
char *tfname = mktemp(savqstr(TEMPLATE)); |
| 137 |
+ |
FILE *fp = fopen(tfname, "w"); |
| 138 |
+ |
|
| 139 |
+ |
if (fp == NULL) { |
| 140 |
+ |
fprintf(stderr, "%s: cannot open '%s' for writing\n", |
| 141 |
+ |
progname, tfname); |
| 142 |
+ |
exit(1); |
| 143 |
+ |
} |
| 144 |
+ |
add_wbsdf("-s", 1); add_wbsdf(sname[c], 1); |
| 145 |
+ |
add_wbsdf(cname[(input_orient>0)<<1 | (output_orient>0)], 1); |
| 146 |
+ |
add_wbsdf(tfname, 1); |
| 147 |
+ |
return(fp); |
| 148 |
+ |
} |
| 149 |
+ |
|
| 150 |
|
/* Load and resample XML BSDF description using Klems basis */ |
| 151 |
|
static void |
| 152 |
|
eval_bsdf(const char *fname) |
| 153 |
|
{ |
| 154 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
| 155 |
+ |
FILE *cfp[3]; |
| 156 |
|
SDData bsd; |
| 157 |
|
SDError ec; |
| 158 |
|
FVECT vin, vout; |
| 159 |
< |
SDValue sv; |
| 160 |
< |
double sum; |
| 159 |
> |
SDValue sdv; |
| 160 |
> |
double sum, xsum, ysum; |
| 161 |
|
int i, j, n; |
| 162 |
|
|
| 163 |
+ |
initurand(npsamps); |
| 164 |
|
SDclearBSDF(&bsd, fname); /* load BSDF file */ |
| 165 |
|
if ((ec = SDloadFile(&bsd, fname)) != SDEnone) |
| 166 |
|
goto err; |
| 167 |
+ |
if (bsd.mgf != NULL) /* save geometry */ |
| 168 |
+ |
save_geom(bsd.mgf); |
| 169 |
+ |
if (bsd.matn[0]) /* save identifier(s) */ |
| 170 |
+ |
strcpy(bsdf_name, bsd.matn); |
| 171 |
+ |
if (bsd.makr[0]) |
| 172 |
+ |
strcpy(bsdf_manuf, bsd.makr); |
| 173 |
+ |
if (bsd.dim[2] > 0) { /* save dimension(s) */ |
| 174 |
+ |
char buf[64]; |
| 175 |
+ |
if ((bsd.dim[0] > 0) & (bsd.dim[1] > 0)) |
| 176 |
+ |
sprintf(buf, "w=%g;h=%g;t=%g", |
| 177 |
+ |
bsd.dim[0], bsd.dim[1], bsd.dim[2]); |
| 178 |
+ |
else |
| 179 |
+ |
sprintf(buf, "t=%g", bsd.dim[2]); |
| 180 |
+ |
add_wbsdf("-f", 1); |
| 181 |
+ |
add_wbsdf(buf, 0); |
| 182 |
+ |
} |
| 183 |
|
/* front reflection */ |
| 184 |
|
if (bsd.rf != NULL || bsd.rLambFront.cieY > .002) { |
| 185 |
|
input_orient = 1; output_orient = 1; |
| 186 |
< |
data_prologue(); |
| 186 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
| 187 |
> |
if (bsd.rf != NULL && bsd.rf->comp[0].cspec[2].flags) { |
| 188 |
> |
rbf_colorimetry = RBCtristimulus; |
| 189 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
| 190 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
| 191 |
> |
} else |
| 192 |
> |
rbf_colorimetry = RBCphotopic; |
| 193 |
|
for (j = 0; j < abp->nangles; j++) { |
| 194 |
|
for (i = 0; i < abp->nangles; i++) { |
| 195 |
|
sum = 0; /* average over patches */ |
| 196 |
+ |
xsum = ysum = 0; |
| 197 |
|
for (n = npsamps; n-- > 0; ) { |
| 198 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 199 |
< |
fi_getvec(vin, i+(n+frandom())/npsamps, abp); |
| 200 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
| 199 |
> |
fi_getvec(vin, i+urand(n), abp); |
| 200 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
| 201 |
|
if (ec != SDEnone) |
| 202 |
|
goto err; |
| 203 |
< |
sum += sv.cieY; |
| 203 |
> |
sum += sdv.cieY; |
| 204 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 205 |
> |
c_ccvt(&sdv.spec, C_CSXY); |
| 206 |
> |
xsum += sdv.cieY*sdv.spec.cx; |
| 207 |
> |
ysum += sdv.cieY*sdv.spec.cy; |
| 208 |
> |
} |
| 209 |
|
} |
| 210 |
< |
printf("\t%.3e\n", sum/npsamps); |
| 210 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
| 211 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 212 |
> |
fprintf(cfp[CIE_X], "\t%3e\n", xsum*sum/(npsamps*ysum)); |
| 213 |
> |
fprintf(cfp[CIE_Z], "\t%3e\n", |
| 214 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
| 215 |
> |
} |
| 216 |
|
} |
| 217 |
< |
putchar('\n'); /* extra space between rows */ |
| 217 |
> |
fputc('\n', cfp[CIE_Y]); /* extra space between rows */ |
| 218 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 219 |
> |
fputc('\n', cfp[CIE_X]); |
| 220 |
> |
fputc('\n', cfp[CIE_Z]); |
| 221 |
> |
} |
| 222 |
|
} |
| 223 |
< |
data_epilogue(); |
| 223 |
> |
if (fclose(cfp[CIE_Y])) { |
| 224 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 225 |
> |
exit(1); |
| 226 |
> |
} |
| 227 |
> |
if (rbf_colorimetry == RBCtristimulus && |
| 228 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
| 229 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
| 230 |
> |
exit(1); |
| 231 |
> |
} |
| 232 |
|
} |
| 233 |
|
/* back reflection */ |
| 234 |
|
if (bsd.rb != NULL || bsd.rLambBack.cieY > .002) { |
| 235 |
|
input_orient = -1; output_orient = -1; |
| 236 |
< |
data_prologue(); |
| 236 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
| 237 |
> |
if (bsd.rb != NULL && bsd.rb->comp[0].cspec[2].flags) { |
| 238 |
> |
rbf_colorimetry = RBCtristimulus; |
| 239 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
| 240 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
| 241 |
> |
} else |
| 242 |
> |
rbf_colorimetry = RBCphotopic; |
| 243 |
|
for (j = 0; j < abp->nangles; j++) { |
| 244 |
|
for (i = 0; i < abp->nangles; i++) { |
| 245 |
|
sum = 0; /* average over patches */ |
| 246 |
+ |
xsum = ysum = 0; |
| 247 |
|
for (n = npsamps; n-- > 0; ) { |
| 248 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 249 |
< |
bi_getvec(vin, i+(n+frandom())/npsamps, abp); |
| 250 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
| 249 |
> |
bi_getvec(vin, i+urand(n), abp); |
| 250 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
| 251 |
|
if (ec != SDEnone) |
| 252 |
|
goto err; |
| 253 |
< |
sum += sv.cieY; |
| 253 |
> |
sum += sdv.cieY; |
| 254 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 255 |
> |
c_ccvt(&sdv.spec, C_CSXY); |
| 256 |
> |
xsum += sdv.cieY*sdv.spec.cx; |
| 257 |
> |
ysum += sdv.cieY*sdv.spec.cy; |
| 258 |
> |
} |
| 259 |
|
} |
| 260 |
< |
printf("\t%.3e\n", sum/npsamps); |
| 260 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
| 261 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 262 |
> |
fprintf(cfp[CIE_X], "\t%3e\n", xsum*sum/(npsamps*ysum)); |
| 263 |
> |
fprintf(cfp[CIE_Z], "\t%3e\n", |
| 264 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
| 265 |
> |
} |
| 266 |
|
} |
| 267 |
< |
putchar('\n'); /* extra space between rows */ |
| 267 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 268 |
> |
fputc('\n', cfp[CIE_X]); |
| 269 |
> |
fputc('\n', cfp[CIE_Z]); |
| 270 |
> |
} |
| 271 |
|
} |
| 272 |
< |
data_epilogue(); |
| 272 |
> |
if (fclose(cfp[CIE_Y])) { |
| 273 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 274 |
> |
exit(1); |
| 275 |
> |
} |
| 276 |
> |
if (rbf_colorimetry == RBCtristimulus && |
| 277 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
| 278 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
| 279 |
> |
exit(1); |
| 280 |
> |
} |
| 281 |
|
} |
| 282 |
|
/* front transmission */ |
| 283 |
|
if (bsd.tf != NULL || bsd.tLamb.cieY > .002) { |
| 284 |
|
input_orient = 1; output_orient = -1; |
| 285 |
< |
data_prologue(); |
| 285 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
| 286 |
> |
if (bsd.tf != NULL && bsd.tf->comp[0].cspec[2].flags) { |
| 287 |
> |
rbf_colorimetry = RBCtristimulus; |
| 288 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
| 289 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
| 290 |
> |
} else |
| 291 |
> |
rbf_colorimetry = RBCphotopic; |
| 292 |
|
for (j = 0; j < abp->nangles; j++) { |
| 293 |
|
for (i = 0; i < abp->nangles; i++) { |
| 294 |
|
sum = 0; /* average over patches */ |
| 295 |
+ |
xsum = ysum = 0; |
| 296 |
|
for (n = npsamps; n-- > 0; ) { |
| 297 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 298 |
< |
fi_getvec(vin, i+(n+frandom())/npsamps, abp); |
| 299 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
| 298 |
> |
fi_getvec(vin, i+urand(n), abp); |
| 299 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
| 300 |
|
if (ec != SDEnone) |
| 301 |
|
goto err; |
| 302 |
< |
sum += sv.cieY; |
| 302 |
> |
sum += sdv.cieY; |
| 303 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 304 |
> |
c_ccvt(&sdv.spec, C_CSXY); |
| 305 |
> |
xsum += sdv.cieY*sdv.spec.cx; |
| 306 |
> |
ysum += sdv.cieY*sdv.spec.cy; |
| 307 |
> |
} |
| 308 |
|
} |
| 309 |
< |
printf("\t%.3e\n", sum/npsamps); |
| 309 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
| 310 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 311 |
> |
fprintf(cfp[CIE_X], "\t%3e\n", xsum*sum/(npsamps*ysum)); |
| 312 |
> |
fprintf(cfp[CIE_Z], "\t%3e\n", |
| 313 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
| 314 |
> |
} |
| 315 |
|
} |
| 316 |
< |
putchar('\n'); /* extra space between rows */ |
| 316 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 317 |
> |
fputc('\n', cfp[CIE_X]); |
| 318 |
> |
fputc('\n', cfp[CIE_Z]); |
| 319 |
> |
} |
| 320 |
|
} |
| 321 |
< |
data_epilogue(); |
| 321 |
> |
if (fclose(cfp[CIE_Y])) { |
| 322 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 323 |
> |
exit(1); |
| 324 |
> |
} |
| 325 |
> |
if (rbf_colorimetry == RBCtristimulus && |
| 326 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
| 327 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
| 328 |
> |
exit(1); |
| 329 |
> |
} |
| 330 |
|
} |
| 331 |
|
/* back transmission */ |
| 332 |
< |
if (bsd.tb != NULL) { |
| 332 |
> |
if ((bsd.tb != NULL) | (bsd.tf != NULL)) { |
| 333 |
|
input_orient = -1; output_orient = 1; |
| 334 |
< |
data_prologue(); |
| 334 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
| 335 |
> |
if (bsd.tb != NULL && bsd.tb->comp[0].cspec[2].flags) { |
| 336 |
> |
rbf_colorimetry = RBCtristimulus; |
| 337 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
| 338 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
| 339 |
> |
} else |
| 340 |
> |
rbf_colorimetry = RBCphotopic; |
| 341 |
|
for (j = 0; j < abp->nangles; j++) { |
| 342 |
|
for (i = 0; i < abp->nangles; i++) { |
| 343 |
< |
sum = 0; /* average over patches */ |
| 343 |
> |
sum = 0; /* average over patches */ |
| 344 |
> |
xsum = ysum = 0; |
| 345 |
|
for (n = npsamps; n-- > 0; ) { |
| 346 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 347 |
< |
bi_getvec(vin, i+(n+frandom())/npsamps, abp); |
| 348 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
| 347 |
> |
bi_getvec(vin, i+urand(n), abp); |
| 348 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
| 349 |
|
if (ec != SDEnone) |
| 350 |
|
goto err; |
| 351 |
< |
sum += sv.cieY; |
| 351 |
> |
sum += sdv.cieY; |
| 352 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 353 |
> |
c_ccvt(&sdv.spec, C_CSXY); |
| 354 |
> |
xsum += sdv.cieY*sdv.spec.cx; |
| 355 |
> |
ysum += sdv.cieY*sdv.spec.cy; |
| 356 |
> |
} |
| 357 |
|
} |
| 358 |
< |
printf("\t%.3e\n", sum/npsamps); |
| 358 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
| 359 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 360 |
> |
fprintf(cfp[CIE_X], "\t%3e\n", xsum*sum/(npsamps*ysum)); |
| 361 |
> |
fprintf(cfp[CIE_Z], "\t%3e\n", |
| 362 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
| 363 |
> |
} |
| 364 |
|
} |
| 365 |
< |
putchar('\n'); /* extra space between rows */ |
| 365 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
| 366 |
> |
fputc('\n', cfp[CIE_X]); |
| 367 |
> |
fputc('\n', cfp[CIE_Z]); |
| 368 |
> |
} |
| 369 |
|
} |
| 370 |
< |
data_epilogue(); |
| 370 |
> |
if (fclose(cfp[CIE_Y])) { |
| 371 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 372 |
> |
exit(1); |
| 373 |
> |
} |
| 374 |
> |
if (rbf_colorimetry == RBCtristimulus && |
| 375 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
| 376 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
| 377 |
> |
exit(1); |
| 378 |
> |
} |
| 379 |
|
} |
| 380 |
|
SDfreeBSDF(&bsd); /* all done */ |
| 381 |
|
return; |
| 389 |
|
eval_function(char *funame) |
| 390 |
|
{ |
| 391 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
| 392 |
+ |
int assignD = (fundefined(funame) < 6); |
| 393 |
+ |
FILE *ofp = open_component_file(CIE_Y); |
| 394 |
|
double iovec[6]; |
| 395 |
|
double sum; |
| 396 |
|
int i, j, n; |
| 397 |
|
|
| 398 |
< |
data_prologue(); /* begin output */ |
| 398 |
> |
initurand(npsamps); |
| 399 |
|
for (j = 0; j < abp->nangles; j++) { /* run through directions */ |
| 400 |
|
for (i = 0; i < abp->nangles; i++) { |
| 401 |
|
sum = 0; |
| 406 |
|
bo_getvec(iovec+3, j+(n+frandom())/npsamps, abp); |
| 407 |
|
|
| 408 |
|
if (input_orient > 0) |
| 409 |
< |
fi_getvec(iovec, i+(n+frandom())/npsamps, abp); |
| 409 |
> |
fi_getvec(iovec, i+urand(n), abp); |
| 410 |
|
else |
| 411 |
< |
bi_getvec(iovec, i+(n+frandom())/npsamps, abp); |
| 411 |
> |
bi_getvec(iovec, i+urand(n), abp); |
| 412 |
|
|
| 413 |
+ |
if (assignD) { |
| 414 |
+ |
varset("Dx", '=', -iovec[3]); |
| 415 |
+ |
varset("Dy", '=', -iovec[4]); |
| 416 |
+ |
varset("Dz", '=', -iovec[5]); |
| 417 |
+ |
++eclock; |
| 418 |
+ |
} |
| 419 |
|
sum += funvalue(funame, 6, iovec); |
| 420 |
|
} |
| 421 |
< |
printf("\t%.3e\n", sum/npsamps); |
| 421 |
> |
fprintf(ofp, "\t%.3e\n", sum/npsamps); |
| 422 |
|
} |
| 423 |
< |
putchar('\n'); |
| 423 |
> |
fputc('\n', ofp); |
| 424 |
> |
prog_show((j+1.)/abp->nangles); |
| 425 |
|
} |
| 426 |
< |
data_epilogue(); /* finish output */ |
| 426 |
> |
prog_done(); |
| 427 |
> |
if (fclose(ofp)) { |
| 428 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 429 |
> |
exit(1); |
| 430 |
> |
} |
| 431 |
|
} |
| 432 |
|
|
| 433 |
|
/* Interpolate and output a radial basis function BSDF representation */ |
| 434 |
|
static void |
| 435 |
|
eval_rbf(void) |
| 436 |
|
{ |
| 273 |
– |
#define MAXPATCHES 145 |
| 437 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
| 438 |
+ |
float (*XZarr)[2] = NULL; |
| 439 |
|
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
| 440 |
+ |
FILE *cfp[3]; |
| 441 |
|
FVECT vin, vout; |
| 442 |
< |
RBFNODE *rbf; |
| 278 |
< |
double sum; |
| 442 |
> |
double sum, xsum, ysum; |
| 443 |
|
int i, j, n; |
| 444 |
|
/* sanity check */ |
| 445 |
|
if (abp->nangles > MAXPATCHES) { |
| 446 |
|
fprintf(stderr, "%s: too many patches!\n", progname); |
| 447 |
|
exit(1); |
| 448 |
|
} |
| 449 |
< |
data_prologue(); /* begin output */ |
| 449 |
> |
if (rbf_colorimetry == RBCtristimulus) |
| 450 |
> |
XZarr = (float (*)[2])malloc(sizeof(float)*2*abp->nangles*abp->nangles); |
| 451 |
|
for (i = 0; i < abp->nangles; i++) { |
| 452 |
+ |
RBFNODE *rbf; |
| 453 |
|
if (input_orient > 0) /* use incident patch center */ |
| 454 |
|
fi_getvec(vin, i+.5*(i>0), abp); |
| 455 |
|
else |
| 456 |
|
bi_getvec(vin, i+.5*(i>0), abp); |
| 457 |
|
|
| 458 |
< |
rbf = advect_rbf(vin); /* compute radial basis func */ |
| 458 |
> |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
| 459 |
|
|
| 460 |
|
for (j = 0; j < abp->nangles; j++) { |
| 461 |
|
sum = 0; /* sample over exiting patch */ |
| 462 |
+ |
xsum = ysum = 0; |
| 463 |
|
for (n = npsamps; n--; ) { |
| 464 |
+ |
SDValue sdv; |
| 465 |
|
if (output_orient > 0) |
| 466 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 467 |
|
else |
| 468 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
| 469 |
|
|
| 470 |
< |
sum += eval_rbfrep(rbf, vout) / vout[2]; |
| 470 |
> |
eval_rbfcol(&sdv, rbf, vout); |
| 471 |
> |
sum += sdv.cieY; |
| 472 |
> |
if (XZarr != NULL) { |
| 473 |
> |
c_ccvt(&sdv.spec, C_CSXY); |
| 474 |
> |
xsum += sdv.cieY*sdv.spec.cx; |
| 475 |
> |
ysum += sdv.cieY*sdv.spec.cy; |
| 476 |
> |
} |
| 477 |
|
} |
| 478 |
< |
bsdfarr[j*abp->nangles + i] = sum*output_orient/npsamps; |
| 478 |
> |
n = j*abp->nangles + i; |
| 479 |
> |
bsdfarr[n] = sum / (double)npsamps; |
| 480 |
> |
if (XZarr != NULL) { |
| 481 |
> |
XZarr[n][0] = xsum*sum/(npsamps*ysum); |
| 482 |
> |
XZarr[n][1] = (sum - xsum - ysum)*sum/(npsamps*ysum); |
| 483 |
> |
} |
| 484 |
|
} |
| 485 |
+ |
if (rbf != NULL) |
| 486 |
+ |
free(rbf); |
| 487 |
+ |
prog_show((i+1.)/abp->nangles); |
| 488 |
|
} |
| 489 |
< |
n = 0; /* write out our matrix */ |
| 489 |
> |
/* write out our matrix */ |
| 490 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
| 491 |
> |
n = 0; |
| 492 |
|
for (j = 0; j < abp->nangles; j++) { |
| 493 |
< |
for (i = 0; i < abp->nangles; i++) |
| 494 |
< |
printf("\t%.3e\n", bsdfarr[n++]); |
| 495 |
< |
putchar('\n'); |
| 493 |
> |
for (i = 0; i < abp->nangles; i++, n++) |
| 494 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[n]); |
| 495 |
> |
fputc('\n', cfp[CIE_Y]); |
| 496 |
|
} |
| 497 |
< |
data_epilogue(); /* finish output */ |
| 498 |
< |
#undef MAXPATCHES |
| 497 |
> |
prog_done(); |
| 498 |
> |
if (fclose(cfp[CIE_Y])) { |
| 499 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
| 500 |
> |
exit(1); |
| 501 |
> |
} |
| 502 |
> |
if (XZarr == NULL) /* no color? */ |
| 503 |
> |
return; |
| 504 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
| 505 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
| 506 |
> |
n = 0; |
| 507 |
> |
for (j = 0; j < abp->nangles; j++) { |
| 508 |
> |
for (i = 0; i < abp->nangles; i++, n++) { |
| 509 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[n][0]); |
| 510 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[n][1]); |
| 511 |
> |
} |
| 512 |
> |
fputc('\n', cfp[CIE_X]); |
| 513 |
> |
fputc('\n', cfp[CIE_Z]); |
| 514 |
> |
} |
| 515 |
> |
free(XZarr); |
| 516 |
> |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
| 517 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
| 518 |
> |
exit(1); |
| 519 |
> |
} |
| 520 |
|
} |
| 521 |
|
|
| 522 |
+ |
#ifdef _WIN32 |
| 523 |
+ |
/* Execute wrapBSDF command (may never return) */ |
| 524 |
+ |
static int |
| 525 |
+ |
wrap_up(void) |
| 526 |
+ |
{ |
| 527 |
+ |
char cmd[8192]; |
| 528 |
+ |
|
| 529 |
+ |
if (bsdf_manuf[0]) { |
| 530 |
+ |
add_wbsdf("-f", 1); |
| 531 |
+ |
strcpy(cmd, "m="); |
| 532 |
+ |
strcpy(cmd+2, bsdf_manuf); |
| 533 |
+ |
add_wbsdf(cmd, 0); |
| 534 |
+ |
} |
| 535 |
+ |
if (bsdf_name[0]) { |
| 536 |
+ |
add_wbsdf("-f", 1); |
| 537 |
+ |
strcpy(cmd, "n="); |
| 538 |
+ |
strcpy(cmd+2, bsdf_name); |
| 539 |
+ |
add_wbsdf(cmd, 0); |
| 540 |
+ |
} |
| 541 |
+ |
if (!convert_commandline(cmd, sizeof(cmd), wrapBSDF)) { |
| 542 |
+ |
fputs(progname, stderr); |
| 543 |
+ |
fputs(": command line too long in wrap_up()\n", stderr); |
| 544 |
+ |
return(1); |
| 545 |
+ |
} |
| 546 |
+ |
return(system(cmd)); |
| 547 |
+ |
} |
| 548 |
+ |
#else |
| 549 |
+ |
/* Execute wrapBSDF command (may never return) */ |
| 550 |
+ |
static int |
| 551 |
+ |
wrap_up(void) |
| 552 |
+ |
{ |
| 553 |
+ |
char buf[256]; |
| 554 |
+ |
char *compath = getpath((char *)wrapBSDF[0], getenv("PATH"), X_OK); |
| 555 |
+ |
|
| 556 |
+ |
if (compath == NULL) { |
| 557 |
+ |
fprintf(stderr, "%s: cannot locate %s\n", progname, wrapBSDF[0]); |
| 558 |
+ |
return(1); |
| 559 |
+ |
} |
| 560 |
+ |
if (bsdf_manuf[0]) { |
| 561 |
+ |
add_wbsdf("-f", 1); |
| 562 |
+ |
strcpy(buf, "m="); |
| 563 |
+ |
strcpy(buf+2, bsdf_manuf); |
| 564 |
+ |
add_wbsdf(buf, 0); |
| 565 |
+ |
} |
| 566 |
+ |
if (bsdf_name[0]) { |
| 567 |
+ |
add_wbsdf("-f", 1); |
| 568 |
+ |
strcpy(buf, "n="); |
| 569 |
+ |
strcpy(buf+2, bsdf_name); |
| 570 |
+ |
add_wbsdf(buf, 0); |
| 571 |
+ |
} |
| 572 |
+ |
execv(compath, wrapBSDF); /* successful call never returns */ |
| 573 |
+ |
perror(compath); |
| 574 |
+ |
return(1); |
| 575 |
+ |
} |
| 576 |
+ |
#endif |
| 577 |
+ |
|
| 578 |
|
/* Read in BSDF and interpolate as Klems matrix representation */ |
| 579 |
|
int |
| 580 |
|
main(int argc, char *argv[]) |
| 581 |
|
{ |
| 582 |
|
int dofwd = 0, dobwd = 1; |
| 583 |
+ |
char buf[2048]; |
| 584 |
|
char *cp; |
| 585 |
|
int i, na; |
| 586 |
|
|
| 602 |
|
break; |
| 603 |
|
case 'f': |
| 604 |
|
if (!argv[i][2]) { |
| 605 |
< |
fcompile(argv[++i]); |
| 606 |
< |
single_plane_incident = 0; |
| 605 |
> |
if (strchr(argv[++i], '=') != NULL) { |
| 606 |
> |
add_wbsdf("-f", 1); |
| 607 |
> |
add_wbsdf(argv[i], 1); |
| 608 |
> |
} else { |
| 609 |
> |
fcompile(argv[i]); |
| 610 |
> |
single_plane_incident = 0; |
| 611 |
> |
} |
| 612 |
|
} else |
| 613 |
|
dofwd = (argv[i][0] == '+'); |
| 614 |
|
break; |
| 616 |
|
dobwd = (argv[i][0] == '+'); |
| 617 |
|
break; |
| 618 |
|
case 'h': |
| 619 |
< |
kbasis = "LBNL/Klems Half"; |
| 619 |
> |
kbasis = klems_half; |
| 620 |
> |
add_wbsdf("-a", 1); |
| 621 |
> |
add_wbsdf("kh", 1); |
| 622 |
|
break; |
| 623 |
|
case 'q': |
| 624 |
< |
kbasis = "LBNL/Klems Quarter"; |
| 624 |
> |
kbasis = klems_quarter; |
| 625 |
> |
add_wbsdf("-a", 1); |
| 626 |
> |
add_wbsdf("kq", 1); |
| 627 |
|
break; |
| 628 |
+ |
case 'l': |
| 629 |
+ |
lobe_lim = atoi(argv[++i]); |
| 630 |
+ |
break; |
| 631 |
+ |
case 'p': |
| 632 |
+ |
do_prog = atoi(argv[i]+2); |
| 633 |
+ |
break; |
| 634 |
+ |
case 'C': |
| 635 |
+ |
add_wbsdf(argv[i], 1); |
| 636 |
+ |
add_wbsdf(argv[++i], 1); |
| 637 |
+ |
break; |
| 638 |
|
default: |
| 639 |
|
goto userr; |
| 640 |
|
} |
| 641 |
+ |
if (kbasis == klems_full) { /* default (full) basis? */ |
| 642 |
+ |
add_wbsdf("-a", 1); |
| 643 |
+ |
add_wbsdf("kf", 1); |
| 644 |
+ |
} |
| 645 |
+ |
strcpy(buf, "File produced by: "); |
| 646 |
+ |
if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { |
| 647 |
+ |
add_wbsdf("-C", 1); add_wbsdf(buf, 0); |
| 648 |
+ |
} |
| 649 |
|
if (single_plane_incident >= 0) { /* function-based BSDF? */ |
| 650 |
< |
if (i != argc-1 || fundefined(argv[i]) != 6) { |
| 650 |
> |
if (i != argc-1 || fundefined(argv[i]) < 3) { |
| 651 |
|
fprintf(stderr, |
| 652 |
|
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
| 653 |
|
progname); |
| 654 |
+ |
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n"); |
| 655 |
|
goto userr; |
| 656 |
|
} |
| 657 |
< |
xml_prologue(argc, argv); /* start XML output */ |
| 657 |
> |
++eclock; |
| 658 |
|
if (dofwd) { |
| 659 |
|
input_orient = -1; |
| 660 |
|
output_orient = -1; |
| 661 |
< |
eval_function(argv[i]); /* outside reflectance */ |
| 661 |
> |
prog_start("Evaluating outside reflectance"); |
| 662 |
> |
eval_function(argv[i]); |
| 663 |
|
output_orient = 1; |
| 664 |
< |
eval_function(argv[i]); /* outside -> inside */ |
| 664 |
> |
prog_start("Evaluating outside->inside transmission"); |
| 665 |
> |
eval_function(argv[i]); |
| 666 |
|
} |
| 667 |
|
if (dobwd) { |
| 668 |
|
input_orient = 1; |
| 669 |
|
output_orient = 1; |
| 670 |
< |
eval_function(argv[i]); /* inside reflectance */ |
| 670 |
> |
prog_start("Evaluating inside reflectance"); |
| 671 |
> |
eval_function(argv[i]); |
| 672 |
|
output_orient = -1; |
| 673 |
< |
eval_function(argv[i]); /* inside -> outside */ |
| 673 |
> |
prog_start("Evaluating inside->outside transmission"); |
| 674 |
> |
eval_function(argv[i]); |
| 675 |
|
} |
| 676 |
< |
xml_epilogue(); /* finish XML output & exit */ |
| 383 |
< |
return(0); |
| 676 |
> |
return(wrap_up()); |
| 677 |
|
} |
| 678 |
|
/* XML input? */ |
| 679 |
|
if (i == argc-1 && (cp = argv[i]+strlen(argv[i])-4) > argv[i] && |
| 680 |
|
!strcasecmp(cp, ".xml")) { |
| 388 |
– |
xml_prologue(argc, argv); /* start XML output */ |
| 681 |
|
eval_bsdf(argv[i]); /* load & resample BSDF */ |
| 682 |
< |
xml_epilogue(); /* finish XML output & exit */ |
| 391 |
< |
return(0); |
| 682 |
> |
return(wrap_up()); |
| 683 |
|
} |
| 684 |
|
if (i < argc) { /* open input files if given */ |
| 685 |
|
int nbsdf = 0; |
| 686 |
|
for ( ; i < argc; i++) { /* interpolate each component */ |
| 687 |
+ |
char pbuf[256]; |
| 688 |
|
FILE *fpin = fopen(argv[i], "rb"); |
| 689 |
|
if (fpin == NULL) { |
| 690 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
| 694 |
|
if (!load_bsdf_rep(fpin)) |
| 695 |
|
return(1); |
| 696 |
|
fclose(fpin); |
| 697 |
< |
if (!nbsdf++) /* start XML on first dist. */ |
| 698 |
< |
xml_prologue(argc, argv); |
| 697 |
> |
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
| 698 |
> |
prog_start(pbuf); |
| 699 |
|
eval_rbf(); |
| 700 |
|
} |
| 701 |
< |
xml_epilogue(); /* finish XML output & exit */ |
| 410 |
< |
return(0); |
| 701 |
> |
return(wrap_up()); |
| 702 |
|
} |
| 703 |
|
SET_FILE_BINARY(stdin); /* load from stdin */ |
| 704 |
|
if (!load_bsdf_rep(stdin)) |
| 705 |
|
return(1); |
| 706 |
< |
xml_prologue(argc, argv); /* start XML output */ |
| 706 |
> |
prog_start("Interpolating from standard input"); |
| 707 |
|
eval_rbf(); /* resample dist. */ |
| 708 |
< |
xml_epilogue(); /* finish XML output & exit */ |
| 418 |
< |
return(0); |
| 708 |
> |
return(wrap_up()); |
| 709 |
|
userr: |
| 710 |
|
fprintf(stderr, |
| 711 |
< |
"Usage: %s [-n spp][-h|-q][bsdf.sir ..] > bsdf.xml\n", |
| 422 |
< |
progname); |
| 711 |
> |
"Usage: %s [-n spp][-h|-q][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", progname); |
| 712 |
|
fprintf(stderr, |
| 713 |
< |
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", |
| 425 |
< |
progname); |
| 713 |
> |
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", progname); |
| 714 |
|
fprintf(stderr, |
| 715 |
|
" or: %s [-n spp][-h|-q][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |
| 716 |
|
progname); |
