| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id: wrapBSDF.c,v 2.17 2016/02/02 18:02:32 greg Exp $";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* Wrap BSDF data in valid WINDOW XML file
|
| 6 |
*
|
| 7 |
* G. Ward February 2015
|
| 8 |
*/
|
| 9 |
|
| 10 |
#include <ctype.h>
|
| 11 |
#include "rtio.h"
|
| 12 |
#include "paths.h"
|
| 13 |
#include "ezxml.h"
|
| 14 |
#include "bsdf.h"
|
| 15 |
#include "bsdf_m.h"
|
| 16 |
/* XML template file names */
|
| 17 |
const char def_template[] = "minimalBSDFt.xml";
|
| 18 |
const char win6_template[] = "WINDOW6BSDFt.xml";
|
| 19 |
|
| 20 |
const char stdin_name[] = "<stdin>";
|
| 21 |
/* input files (can be stdin_name) */
|
| 22 |
const char *xml_input = NULL;
|
| 23 |
/* unit for materials & geometry */
|
| 24 |
const char *attr_unit = "meter";
|
| 25 |
const char legal_units[] = "meter|foot|inch|centimeter|millimeter";
|
| 26 |
/* system materials & geometry */
|
| 27 |
const char *mgf_geometry = NULL;
|
| 28 |
/* comment list */
|
| 29 |
#define MAXCOMM 30
|
| 30 |
const char *commlist[MAXCOMM];
|
| 31 |
int ncomm = 0;
|
| 32 |
/* angle bases */
|
| 33 |
enum { ABdefault=-1, ABklemsFull=0, ABklemsHalf, ABklemsQuarter,
|
| 34 |
ABtensorTree3, ABtensorTree4, ABend };
|
| 35 |
|
| 36 |
int angle_basis = ABdefault;
|
| 37 |
|
| 38 |
int correct_solid_angle = 0;
|
| 39 |
|
| 40 |
const char *klems_basis_name[] = {
|
| 41 |
"LBNL/Klems Full",
|
| 42 |
"LBNL/Klems Half",
|
| 43 |
"LBNL/Klems Quarter",
|
| 44 |
};
|
| 45 |
/* field IDs and nicknames */
|
| 46 |
struct s_fieldID {
|
| 47 |
char nickName[4];
|
| 48 |
short has_unit;
|
| 49 |
short win_need;
|
| 50 |
const char *fullName;
|
| 51 |
} XMLfieldID[] = {
|
| 52 |
{"m", 0, 1, "Manufacturer"},
|
| 53 |
{"n", 0, 1, "Name"},
|
| 54 |
{"c", 0, 0, "ThermalConductivity"},
|
| 55 |
{"ef", 0, 0, "EmissivityFront"},
|
| 56 |
{"eb", 0, 0, "EmissivityBack"},
|
| 57 |
{"tir", 0, 0, "TIR"},
|
| 58 |
{"eo", 0, 0, "EffectiveOpennessFraction"},
|
| 59 |
{"t", 1, 1, "Thickness"},
|
| 60 |
{"h", 1, 0, "Height"},
|
| 61 |
{"w", 1, 0, "Width"},
|
| 62 |
{"\0", 0, 0, NULL} /* terminator */
|
| 63 |
};
|
| 64 |
/* field assignments */
|
| 65 |
#define MAXASSIGN 12
|
| 66 |
const char *field_assignment[MAXASSIGN];
|
| 67 |
int nfield_assign = 0;
|
| 68 |
#define FASEP ';'
|
| 69 |
/* data file(s) & spectra */
|
| 70 |
enum { DTtransForward, DTtransBackward, DTreflForward, DTreflBackward };
|
| 71 |
|
| 72 |
enum { DSsolar=-1, DSnir=-2, DSxbar31=-3, DSvisible=-4, DSzbar31=-5,
|
| 73 |
DSuprime=-6, DSvprime=-7 };
|
| 74 |
|
| 75 |
#define MAXFILES 20
|
| 76 |
|
| 77 |
struct s_dfile {
|
| 78 |
const char *fname; /* input data file name */
|
| 79 |
short type; /* BSDF data type */
|
| 80 |
short spectrum; /* BSDF sensor spectrum */
|
| 81 |
} data_file[MAXFILES];
|
| 82 |
|
| 83 |
int ndataf = 0; /* number of data files */
|
| 84 |
|
| 85 |
int unlink_datafiles = 0; /* unlink data files when done */
|
| 86 |
|
| 87 |
const char *spectr_file[MAXFILES]; /* custom spectral curve input */
|
| 88 |
|
| 89 |
const char top_level_name[] = "WindowElement";
|
| 90 |
|
| 91 |
static char basis_definition[][256] = {
|
| 92 |
|
| 93 |
"\t<DataDefinition>\n"
|
| 94 |
"\t\t<IncidentDataStructure>Columns</IncidentDataStructure>\n"
|
| 95 |
"\t\t<AngleBasis>\n"
|
| 96 |
"\t\t\t<AngleBasisName>LBNL/Klems Full</AngleBasisName>\n"
|
| 97 |
"\t\t\t</AngleBasis>\n"
|
| 98 |
"\t</DataDefinition>\n",
|
| 99 |
|
| 100 |
"\t<DataDefinition>\n"
|
| 101 |
"\t\t<IncidentDataStructure>Columns</IncidentDataStructure>\n"
|
| 102 |
"\t\t<AngleBasis>\n"
|
| 103 |
"\t\t\t<AngleBasisName>LBNL/Klems Half</AngleBasisName>\n"
|
| 104 |
"\t\t\t</AngleBasis>\n"
|
| 105 |
"\t</DataDefinition>\n",
|
| 106 |
|
| 107 |
"\t<DataDefinition>\n"
|
| 108 |
"\t\t<IncidentDataStructure>Columns</IncidentDataStructure>\n"
|
| 109 |
"\t\t<AngleBasis>\n"
|
| 110 |
"\t\t\t<AngleBasisName>LBNL/Klems Quarter</AngleBasisName>\n"
|
| 111 |
"\t\t\t</AngleBasis>\n"
|
| 112 |
"\t</DataDefinition>\n",
|
| 113 |
|
| 114 |
"\t<DataDefinition>\n"
|
| 115 |
"\t\t<IncidentDataStructure>TensorTree3</IncidentDataStructure>\n"
|
| 116 |
"\t</DataDefinition>\n",
|
| 117 |
|
| 118 |
"\t<DataDefinition>\n"
|
| 119 |
"\t\t<IncidentDataStructure>TensorTree4</IncidentDataStructure>\n"
|
| 120 |
"\t</DataDefinition>\n",
|
| 121 |
};
|
| 122 |
|
| 123 |
/* Copy data from file descriptor to stdout and close */
|
| 124 |
static int
|
| 125 |
copy_and_close(int fd)
|
| 126 |
{
|
| 127 |
int ok = 1;
|
| 128 |
char buf[8192];
|
| 129 |
int n;
|
| 130 |
|
| 131 |
if (fd < 0)
|
| 132 |
return 0;
|
| 133 |
while ((n = read(fd, buf, sizeof(buf))) > 0)
|
| 134 |
if (write(fileno(stdout), buf, n) != n) {
|
| 135 |
ok = 0;
|
| 136 |
break;
|
| 137 |
}
|
| 138 |
ok &= (n == 0);
|
| 139 |
close(fd);
|
| 140 |
return ok;
|
| 141 |
}
|
| 142 |
|
| 143 |
/* Allocate and assign string from file or stream */
|
| 144 |
static char *
|
| 145 |
input2str(const char *inpspec)
|
| 146 |
{
|
| 147 |
FILE *fp = NULL;
|
| 148 |
char *str;
|
| 149 |
int len, pos, n;
|
| 150 |
|
| 151 |
if (inpspec == NULL || !*inpspec)
|
| 152 |
return "";
|
| 153 |
if (inpspec == stdin_name) { /* read from stdin */
|
| 154 |
fp = stdin;
|
| 155 |
} else if (inpspec[0] == '!') { /* read from command */
|
| 156 |
fp = popen(inpspec+1, "r");
|
| 157 |
if (fp == NULL) {
|
| 158 |
fprintf(stderr, "Cannot start process '%s'\n",
|
| 159 |
inpspec);
|
| 160 |
return "";
|
| 161 |
}
|
| 162 |
} else { /* else load file */
|
| 163 |
int fd = open(inpspec, O_RDONLY);
|
| 164 |
if (fd < 0) {
|
| 165 |
fprintf(stderr, "%s: cannot open\n", inpspec);
|
| 166 |
return "";
|
| 167 |
}
|
| 168 |
#ifndef _WIN32 /* XXX somehow broken on Windows */
|
| 169 |
len = lseek(fd, 0L, SEEK_END);
|
| 170 |
if (len > 0) {
|
| 171 |
lseek(fd, 0L, SEEK_SET);
|
| 172 |
str = (char *)malloc(len+1);
|
| 173 |
if (str == NULL) {
|
| 174 |
close(fd);
|
| 175 |
goto memerr;
|
| 176 |
}
|
| 177 |
if (read(fd, str, len) != len) {
|
| 178 |
fprintf(stderr, "%s: read error\n", inpspec);
|
| 179 |
free(str);
|
| 180 |
close(fd);
|
| 181 |
return "";
|
| 182 |
}
|
| 183 |
str[len] = '\0';
|
| 184 |
close(fd);
|
| 185 |
return str;
|
| 186 |
}
|
| 187 |
#endif
|
| 188 |
fp = fdopen(fd, "r"); /* not a regular file */
|
| 189 |
}
|
| 190 |
/* reading from stream */
|
| 191 |
str = (char *)malloc((len=8192)+1);
|
| 192 |
if (str == NULL)
|
| 193 |
goto memerr;
|
| 194 |
pos = 0;
|
| 195 |
while ((n = read(fileno(fp), str+pos, len-pos)) > 0)
|
| 196 |
if ((pos += n) >= len) { /* need more space? */
|
| 197 |
str = (char *)realloc(str, (len += len>>2) + 1);
|
| 198 |
if (str == NULL)
|
| 199 |
goto memerr;
|
| 200 |
}
|
| 201 |
if (n < 0) {
|
| 202 |
fprintf(stderr, "%s: read error\n", inpspec);
|
| 203 |
free(str);
|
| 204 |
str = "";
|
| 205 |
} else { /* tidy up result */
|
| 206 |
str[pos] = '\0';
|
| 207 |
str = (char *)realloc(str, (len=pos)+1);
|
| 208 |
if (str == NULL)
|
| 209 |
goto memerr;
|
| 210 |
}
|
| 211 |
if (inpspec[0] != '!')
|
| 212 |
fclose(fp);
|
| 213 |
else if (pclose(fp))
|
| 214 |
fprintf(stderr, "Error running command '%s'\n", inpspec);
|
| 215 |
return str;
|
| 216 |
memerr:
|
| 217 |
fprintf(stderr, "%s: error allocating memory\n", inpspec);
|
| 218 |
if (fp != NULL)
|
| 219 |
(inpspec[0] == '!') ? pclose(fp) : fclose(fp);
|
| 220 |
return "";
|
| 221 |
}
|
| 222 |
|
| 223 |
/* Make material assignments in field_assignment to XML fields */
|
| 224 |
static int
|
| 225 |
mat_assignments(const char *caller, const char *fn, ezxml_t wtl)
|
| 226 |
{
|
| 227 |
int i;
|
| 228 |
|
| 229 |
wtl = ezxml_child(wtl, "Material");
|
| 230 |
if (wtl == NULL) {
|
| 231 |
fprintf(stderr, "%s: missing <Material> tag\n", fn);
|
| 232 |
return 0;
|
| 233 |
}
|
| 234 |
for (i = 0; i < nfield_assign; i++) {
|
| 235 |
const char *fnext = field_assignment[i];
|
| 236 |
for ( ; ; ) {
|
| 237 |
int added = 0;
|
| 238 |
ezxml_t fld;
|
| 239 |
char sbuf[512];
|
| 240 |
int j;
|
| 241 |
|
| 242 |
while (isspace(*fnext))
|
| 243 |
++fnext;
|
| 244 |
if (!*fnext)
|
| 245 |
break;
|
| 246 |
for (j = 0; *fnext != '=' && !isspace(*fnext); ) {
|
| 247 |
if (!*fnext | (*fnext == FASEP) |
|
| 248 |
(j >= sizeof(sbuf)-1)) {
|
| 249 |
fprintf(stderr,
|
| 250 |
"%s: bad tag name in assignment '%s'\n",
|
| 251 |
caller, field_assignment[i]);
|
| 252 |
return 0;
|
| 253 |
}
|
| 254 |
sbuf[j++] = *fnext++;
|
| 255 |
}
|
| 256 |
sbuf[j] = '\0'; /* check known field */
|
| 257 |
for (j = 0; XMLfieldID[j].nickName[0]; j++)
|
| 258 |
if (!strcasecmp(sbuf, XMLfieldID[j].nickName) ||
|
| 259 |
!strcasecmp(sbuf, XMLfieldID[j].fullName)) {
|
| 260 |
strcpy(sbuf, XMLfieldID[j].fullName);
|
| 261 |
break;
|
| 262 |
}
|
| 263 |
/* check if tag exists */
|
| 264 |
fld = ezxml_child(wtl, sbuf);
|
| 265 |
if (fld == NULL) { /* otherwise, create one */
|
| 266 |
if (!XMLfieldID[j].nickName[0])
|
| 267 |
fprintf(stderr,
|
| 268 |
"%s: warning - adding tag <%s>\n",
|
| 269 |
fn, sbuf);
|
| 270 |
ezxml_add_txt(wtl, "\t");
|
| 271 |
fld = ezxml_add_child_d(wtl, sbuf, strlen(wtl->txt));
|
| 272 |
++added;
|
| 273 |
}
|
| 274 |
if (XMLfieldID[j].has_unit)
|
| 275 |
ezxml_set_attr(fld, "unit", attr_unit);
|
| 276 |
XMLfieldID[j].win_need = 0;
|
| 277 |
while (isspace(*fnext))
|
| 278 |
++fnext;
|
| 279 |
if (*fnext++ != '=') {
|
| 280 |
fprintf(stderr,
|
| 281 |
"%s: missing '=' in assignment '%s'\n",
|
| 282 |
caller, field_assignment[i]);
|
| 283 |
return 0;
|
| 284 |
}
|
| 285 |
for (j = 0; *fnext && *fnext != FASEP; ) {
|
| 286 |
if (j >= sizeof(sbuf)-1) {
|
| 287 |
fprintf(stderr,
|
| 288 |
"%s: field too long in '%s'\n",
|
| 289 |
caller, field_assignment[i]);
|
| 290 |
return 0;
|
| 291 |
}
|
| 292 |
sbuf[j++] = *fnext++;
|
| 293 |
}
|
| 294 |
sbuf[j] = '\0';
|
| 295 |
ezxml_set_txt_d(fld, sbuf);
|
| 296 |
if (added)
|
| 297 |
ezxml_add_txt(wtl, "\n\t");
|
| 298 |
fnext += (*fnext == FASEP);
|
| 299 |
}
|
| 300 |
}
|
| 301 |
/* check required WINDOW settings */
|
| 302 |
if (xml_input == win6_template)
|
| 303 |
for (i = 0; XMLfieldID[i].nickName[0]; i++)
|
| 304 |
if (XMLfieldID[i].win_need &&
|
| 305 |
!ezxml_txt(ezxml_child(wtl,XMLfieldID[i].fullName))[0])
|
| 306 |
fprintf(stderr,
|
| 307 |
"%s: warning - missing '%s' assignment for WINDOW <%s>\n",
|
| 308 |
caller, XMLfieldID[i].nickName,
|
| 309 |
XMLfieldID[i].fullName);
|
| 310 |
return 1;
|
| 311 |
}
|
| 312 |
|
| 313 |
/* Complete angle basis specification */
|
| 314 |
static int
|
| 315 |
finish_angle_basis(ezxml_t ab)
|
| 316 |
{
|
| 317 |
const char *bn = ezxml_txt(ezxml_child(ab, "AngleBasisName"));
|
| 318 |
int i, n = nabases;
|
| 319 |
char buf[32];
|
| 320 |
|
| 321 |
if (!*bn) {
|
| 322 |
fputs("Internal error - missing <AngleBasisName>!\n", stderr);
|
| 323 |
return 0;
|
| 324 |
}
|
| 325 |
while (n-- > 0)
|
| 326 |
if (!strcasecmp(bn, abase_list[n].name))
|
| 327 |
break;
|
| 328 |
if (n < 0) {
|
| 329 |
fprintf(stderr, "Internal error - unknown angle basis '%s'", bn);
|
| 330 |
return 0;
|
| 331 |
}
|
| 332 |
for (i = 0; abase_list[n].lat[i].nphis; i++) {
|
| 333 |
ezxml_t tb, abb = ezxml_add_child(ab, "AngleBasisBlock",
|
| 334 |
strlen(ab->txt));
|
| 335 |
sprintf(buf, "%g", i ?
|
| 336 |
.5*(abase_list[n].lat[i].tmin + abase_list[n].lat[i+1].tmin) :
|
| 337 |
.0);
|
| 338 |
ezxml_add_txt(abb, "\n\t\t\t\t");
|
| 339 |
ezxml_set_txt_d(ezxml_add_child(abb,"Theta",strlen(abb->txt)), buf);
|
| 340 |
sprintf(buf, "%d", abase_list[n].lat[i].nphis);
|
| 341 |
ezxml_add_txt(abb, "\n\t\t\t\t");
|
| 342 |
ezxml_set_txt_d(ezxml_add_child(abb,"nPhis",strlen(abb->txt)), buf);
|
| 343 |
ezxml_add_txt(abb, "\n\t\t\t\t");
|
| 344 |
tb = ezxml_add_child(abb, "ThetaBounds", strlen(abb->txt));
|
| 345 |
ezxml_add_txt(tb, "\n\t\t\t\t\t");
|
| 346 |
sprintf(buf, "%g", abase_list[n].lat[i].tmin);
|
| 347 |
ezxml_set_txt_d(ezxml_add_child(tb,"LowerTheta",strlen(tb->txt)), buf);
|
| 348 |
ezxml_add_txt(tb, "\n\t\t\t\t\t");
|
| 349 |
sprintf(buf, "%g", abase_list[n].lat[i+1].tmin);
|
| 350 |
ezxml_set_txt_d(ezxml_add_child(tb,"UpperTheta",strlen(tb->txt)), buf);
|
| 351 |
ezxml_add_txt(tb, "\n\t\t\t\t");
|
| 352 |
ezxml_add_txt(abb, "\n\t\t\t");
|
| 353 |
ezxml_add_txt(ab, "\n\t\t\t");
|
| 354 |
}
|
| 355 |
return 1;
|
| 356 |
}
|
| 357 |
|
| 358 |
/* Determine our angle basis from current tags */
|
| 359 |
static int
|
| 360 |
determine_angle_basis(const char *fn, ezxml_t wtl)
|
| 361 |
{
|
| 362 |
const char *ids;
|
| 363 |
int i;
|
| 364 |
|
| 365 |
wtl = ezxml_child(wtl, "DataDefinition");
|
| 366 |
if (wtl == NULL)
|
| 367 |
return -1;
|
| 368 |
ids = ezxml_txt(ezxml_child(wtl, "IncidentDataStructure"));
|
| 369 |
if (!ids[0])
|
| 370 |
return -1;
|
| 371 |
for (i = 0; i < ABend; i++) {
|
| 372 |
ezxml_t parsed = ezxml_parse_str(basis_definition[i],
|
| 373 |
strlen(basis_definition[i]));
|
| 374 |
int match = 0;
|
| 375 |
if (!strcmp(ids, ezxml_txt(ezxml_child(parsed,
|
| 376 |
"IncidentDataStructure")))) {
|
| 377 |
const char *abn0 = ezxml_txt(
|
| 378 |
ezxml_child(ezxml_child(wtl,
|
| 379 |
"AngleBasis"), "AngleBasisName"));
|
| 380 |
const char *abn1 = ezxml_txt(
|
| 381 |
ezxml_child(ezxml_child(parsed,
|
| 382 |
"AngleBasis"), "AngleBasisName"));
|
| 383 |
match = !strcmp(abn0, abn1);
|
| 384 |
}
|
| 385 |
ezxml_free(parsed);
|
| 386 |
if (match)
|
| 387 |
return i;
|
| 388 |
}
|
| 389 |
return -1;
|
| 390 |
}
|
| 391 |
|
| 392 |
/* Filter Klems angle basis, factoring out incident projected solid angle */
|
| 393 |
static int
|
| 394 |
filter_klems_matrix(FILE *fp)
|
| 395 |
{
|
| 396 |
#define MAX_COLUMNS 145
|
| 397 |
const char *bn = klems_basis_name[angle_basis];
|
| 398 |
float col_corr[MAX_COLUMNS];
|
| 399 |
int i, j, n = nabases;
|
| 400 |
/* get angle basis */
|
| 401 |
while (n-- > 0)
|
| 402 |
if (!strcasecmp(bn, abase_list[n].name))
|
| 403 |
break;
|
| 404 |
if (n < 0)
|
| 405 |
return 0;
|
| 406 |
if (abase_list[n].nangles > MAX_COLUMNS) {
|
| 407 |
fputs("Internal error - too many Klems columns!\n", stderr);
|
| 408 |
return 0;
|
| 409 |
}
|
| 410 |
/* get correction factors */
|
| 411 |
for (j = abase_list[n].nangles; j--; )
|
| 412 |
col_corr[j] = 1.f / io_getohm(j, &abase_list[n]);
|
| 413 |
/* read/correct/write matrix */
|
| 414 |
for (i = 0; i < abase_list[n].nangles; i++) {
|
| 415 |
for (j = 0; j < abase_list[n].nangles; j++) {
|
| 416 |
double d;
|
| 417 |
if (fscanf(fp, "%lf", &d) != 1)
|
| 418 |
return 0;
|
| 419 |
if (d < -1e-3) {
|
| 420 |
fputs("Negative BSDF data!\n", stderr);
|
| 421 |
return 0;
|
| 422 |
}
|
| 423 |
printf(" %.3e", d*col_corr[j]*(d > 0));
|
| 424 |
}
|
| 425 |
fputc('\n', stdout);
|
| 426 |
}
|
| 427 |
while ((i = getc(fp)) != EOF)
|
| 428 |
if (!isspace(i)) {
|
| 429 |
fputs("Unexpected data past EOF\n", stderr);
|
| 430 |
return 0;
|
| 431 |
}
|
| 432 |
return 1; /* all is good */
|
| 433 |
#undef MAX_COLUMNS
|
| 434 |
}
|
| 435 |
|
| 436 |
/* Write out BSDF data block with surrounding tags */
|
| 437 |
static int
|
| 438 |
writeBSDFblock(const char *caller, struct s_dfile *df)
|
| 439 |
{
|
| 440 |
int correct_klems = correct_solid_angle;
|
| 441 |
char *cp;
|
| 442 |
|
| 443 |
puts("\t<WavelengthData>");
|
| 444 |
puts("\t\t<LayerNumber>System</LayerNumber>");
|
| 445 |
switch (df->spectrum) {
|
| 446 |
case DSvisible:
|
| 447 |
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>");
|
| 448 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 449 |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>");
|
| 450 |
break;
|
| 451 |
case DSxbar31:
|
| 452 |
puts("\t\t<Wavelength unit=\"Integral\">CIE-X</Wavelength>");
|
| 453 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 454 |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 X.dsp</DetectorSpectrum>");
|
| 455 |
break;
|
| 456 |
case DSzbar31:
|
| 457 |
puts("\t\t<Wavelength unit=\"Integral\">CIE-Z</Wavelength>");
|
| 458 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 459 |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Z.dsp</DetectorSpectrum>");
|
| 460 |
break;
|
| 461 |
case DSuprime:
|
| 462 |
puts("\t\t<Wavelength unit=\"Integral\">CIE-u</Wavelength>");
|
| 463 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 464 |
break;
|
| 465 |
case DSvprime:
|
| 466 |
puts("\t\t<Wavelength unit=\"Integral\">CIE-v</Wavelength>");
|
| 467 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 468 |
break;
|
| 469 |
case DSsolar:
|
| 470 |
puts("\t\t<Wavelength unit=\"Integral\">Solar</Wavelength>");
|
| 471 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 472 |
puts("\t\t<DetectorSpectrum>None</DetectorSpectrum>");
|
| 473 |
break;
|
| 474 |
case DSnir:
|
| 475 |
puts("\t\t<Wavelength unit=\"Integral\">NIR</Wavelength>");
|
| 476 |
puts("\t\t<SourceSpectrum>PLACE_HOLDER</SourceSpectrum>");
|
| 477 |
puts("\t\t<DetectorSpectrum>PLACE_HOLDER</DetectorSpectrum>");
|
| 478 |
break;
|
| 479 |
default:
|
| 480 |
cp = strrchr(spectr_file[df->spectrum], '.');
|
| 481 |
if (cp != NULL)
|
| 482 |
*cp = '\0';
|
| 483 |
printf("\t\t<Wavelength unit=\"Integral\">%s</Wavelength>\n",
|
| 484 |
spectr_file[df->spectrum]);
|
| 485 |
if (cp != NULL)
|
| 486 |
*cp = '.';
|
| 487 |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>");
|
| 488 |
printf("\t\t<DetectorSpectrum>%s</DetectorSpectrum>\n",
|
| 489 |
spectr_file[df->spectrum]);
|
| 490 |
break;
|
| 491 |
}
|
| 492 |
puts("\t\t<WavelengthDataBlock>");
|
| 493 |
fputs("\t\t\t<WavelengthDataDirection>", stdout);
|
| 494 |
switch (df->type) {
|
| 495 |
case DTtransForward:
|
| 496 |
fputs("Transmission Front", stdout);
|
| 497 |
break;
|
| 498 |
case DTtransBackward:
|
| 499 |
fputs("Transmission Back", stdout);
|
| 500 |
break;
|
| 501 |
case DTreflForward:
|
| 502 |
fputs("Reflection Front", stdout);
|
| 503 |
break;
|
| 504 |
case DTreflBackward:
|
| 505 |
fputs("Reflection Back", stdout);
|
| 506 |
break;
|
| 507 |
default:
|
| 508 |
fprintf(stderr, "%s: internal - bad BSDF type (%d)\n", caller, df->type);
|
| 509 |
return 0;
|
| 510 |
}
|
| 511 |
puts("</WavelengthDataDirection>");
|
| 512 |
switch (angle_basis) {
|
| 513 |
case ABklemsFull:
|
| 514 |
case ABklemsHalf:
|
| 515 |
case ABklemsQuarter:
|
| 516 |
fputs("\t\t\t<ColumnAngleBasis>", stdout);
|
| 517 |
fputs(klems_basis_name[angle_basis], stdout);
|
| 518 |
puts("</ColumnAngleBasis>");
|
| 519 |
fputs("\t\t\t<RowAngleBasis>", stdout);
|
| 520 |
fputs(klems_basis_name[angle_basis], stdout);
|
| 521 |
puts("</RowAngleBasis>");
|
| 522 |
break;
|
| 523 |
case ABtensorTree3:
|
| 524 |
case ABtensorTree4:
|
| 525 |
puts("\t\t\t<AngleBasis>LBNL/Shirley-Chiu</AngleBasis>");
|
| 526 |
correct_klems = 0;
|
| 527 |
break;
|
| 528 |
default:
|
| 529 |
fprintf(stderr, "%s: bad angle basis (%d)\n", caller, angle_basis);
|
| 530 |
return 0;
|
| 531 |
}
|
| 532 |
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>");
|
| 533 |
puts("\t\t\t<ScatteringData>");
|
| 534 |
fflush(stdout);
|
| 535 |
if (correct_klems) { /* correct Klems matrix data */
|
| 536 |
FILE *fp = stdin;
|
| 537 |
if (df->fname[0] == '!')
|
| 538 |
fp = popen(df->fname+1, "r");
|
| 539 |
else if (df->fname != stdin_name)
|
| 540 |
fp = fopen(df->fname, "r");
|
| 541 |
if (fp == NULL) {
|
| 542 |
fprintf(stderr, "%s: cannot open '%s'\n",
|
| 543 |
caller, df->fname);
|
| 544 |
return 0;
|
| 545 |
}
|
| 546 |
if (!filter_klems_matrix(fp)) {
|
| 547 |
fprintf(stderr, "%s: Klems data error from '%s'\n",
|
| 548 |
caller, df->fname);
|
| 549 |
return 0;
|
| 550 |
}
|
| 551 |
if (df->fname[0] != '!') {
|
| 552 |
fclose(fp);
|
| 553 |
} else if (pclose(fp)) {
|
| 554 |
fprintf(stderr, "%s: error running '%s'\n",
|
| 555 |
caller, df->fname);
|
| 556 |
return 0;
|
| 557 |
}
|
| 558 |
} else if (df->fname == stdin_name) {
|
| 559 |
copy_and_close(fileno(stdin));
|
| 560 |
} else if (df->fname[0] != '!') {
|
| 561 |
if (!copy_and_close(open(df->fname, O_RDONLY))) {
|
| 562 |
fprintf(stderr, "%s: error reading from '%s'\n",
|
| 563 |
caller, df->fname);
|
| 564 |
return 0;
|
| 565 |
}
|
| 566 |
} else if (system(df->fname+1)) {
|
| 567 |
fprintf(stderr, "%s: error running '%s'\n", caller, df->fname);
|
| 568 |
return 0;
|
| 569 |
}
|
| 570 |
puts("\t\t\t</ScatteringData>");
|
| 571 |
puts("\t\t</WavelengthDataBlock>");
|
| 572 |
puts("\t</WavelengthData>");
|
| 573 |
return 1;
|
| 574 |
}
|
| 575 |
|
| 576 |
/* Write out XML, interpolating BSDF data block(s) */
|
| 577 |
static int
|
| 578 |
writeBSDF(const char *caller, ezxml_t fl)
|
| 579 |
{
|
| 580 |
char *xml = ezxml_toxml(fl); /* store XML in string */
|
| 581 |
int ei, i;
|
| 582 |
/* locate trailer */
|
| 583 |
for (ei = strlen(xml)-strlen("</Layer></Optical></WindowElement>");
|
| 584 |
ei >= 0; ei--)
|
| 585 |
if (!strncmp(xml+ei, "</Layer>", 8))
|
| 586 |
break;
|
| 587 |
if (ei < 0) {
|
| 588 |
fprintf(stderr, "%s: internal - cannot find trailer\n",
|
| 589 |
caller);
|
| 590 |
free(xml);
|
| 591 |
return 0;
|
| 592 |
}
|
| 593 |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
| 594 |
for (i = 0; i < ncomm; i++)
|
| 595 |
printf("<!-- %s -->\n", commlist[i]);
|
| 596 |
fflush(stdout); /* write previous XML info. */
|
| 597 |
if (write(fileno(stdout), xml, ei) != ei) {
|
| 598 |
free(xml);
|
| 599 |
return 0;
|
| 600 |
}
|
| 601 |
for (i = 0; i < ndataf; i++) /* interpolate new data */
|
| 602 |
if (!writeBSDFblock(caller, &data_file[i])) {
|
| 603 |
free(xml);
|
| 604 |
return 0;
|
| 605 |
}
|
| 606 |
fputs(xml+ei, stdout); /* write trailer */
|
| 607 |
free(xml); /* free string */
|
| 608 |
fputc('\n', stdout);
|
| 609 |
if (fflush(stdout) != 0)
|
| 610 |
return 0;
|
| 611 |
/* unlink data files if req. */
|
| 612 |
for (i = ndataf*(unlink_datafiles != 0); i--; )
|
| 613 |
if (data_file[i].fname != stdin_name &&
|
| 614 |
data_file[i].fname[0] != '!')
|
| 615 |
unlink(data_file[i].fname);
|
| 616 |
return 1;
|
| 617 |
}
|
| 618 |
|
| 619 |
/* Insert BSDF data into XML wrapper */
|
| 620 |
static int
|
| 621 |
wrapBSDF(const char *caller)
|
| 622 |
{
|
| 623 |
const char *xml_path = xml_input;
|
| 624 |
ezxml_t fl, wtl;
|
| 625 |
/* load previous XML/template */
|
| 626 |
if (xml_input == stdin_name) {
|
| 627 |
fl = ezxml_parse_fp(stdin);
|
| 628 |
} else if (xml_input[0] == '!') {
|
| 629 |
FILE *pfp = popen(xml_input+1, "r");
|
| 630 |
if (pfp == NULL) {
|
| 631 |
fprintf(stderr, "%s: cannot start process '%s'\n",
|
| 632 |
caller, xml_input);
|
| 633 |
return 0;
|
| 634 |
}
|
| 635 |
fl = ezxml_parse_fp(pfp);
|
| 636 |
if (pclose(pfp)) {
|
| 637 |
fprintf(stderr, "%s: error running '%s'\n",
|
| 638 |
caller, xml_input);
|
| 639 |
return 0;
|
| 640 |
}
|
| 641 |
} else {
|
| 642 |
xml_path = getpath((char *)xml_input, getrlibpath(), R_OK);
|
| 643 |
if (xml_path == NULL) {
|
| 644 |
fprintf(stderr, "%s: cannot find XML file named '%s'\n",
|
| 645 |
caller, xml_input==NULL ? "NULL" : xml_input);
|
| 646 |
return 0;
|
| 647 |
}
|
| 648 |
fl = ezxml_parse_file(xml_path);
|
| 649 |
}
|
| 650 |
if (fl == NULL) {
|
| 651 |
fprintf(stderr, "%s: cannot load XML '%s'\n", caller, xml_path);
|
| 652 |
return 0;
|
| 653 |
}
|
| 654 |
if (ezxml_error(fl)[0]) {
|
| 655 |
fprintf(stderr, "%s: error in XML '%s': %s\n", caller, xml_path,
|
| 656 |
ezxml_error(fl));
|
| 657 |
goto failure;
|
| 658 |
}
|
| 659 |
if (strcmp(ezxml_name(fl), top_level_name)) {
|
| 660 |
fprintf(stderr, "%s: top level in XML '%s' not '%s'\n",
|
| 661 |
caller, xml_path, top_level_name);
|
| 662 |
goto failure;
|
| 663 |
}
|
| 664 |
wtl = ezxml_child(fl, "FileType");
|
| 665 |
if (wtl != NULL && strcmp(ezxml_txt(wtl), "BSDF")) {
|
| 666 |
fprintf(stderr, "%s: wrong FileType in XML '%s' (must be 'BSDF')",
|
| 667 |
caller, xml_path);
|
| 668 |
goto failure;
|
| 669 |
}
|
| 670 |
wtl = ezxml_child(ezxml_child(fl, "Optical"), "Layer");
|
| 671 |
if (wtl == NULL) {
|
| 672 |
fprintf(stderr, "%s: no optical layers in XML '%s'",
|
| 673 |
caller, xml_path);
|
| 674 |
goto failure;
|
| 675 |
}
|
| 676 |
/* make material assignments */
|
| 677 |
if (!mat_assignments(caller, xml_path, wtl))
|
| 678 |
goto failure;
|
| 679 |
if (mgf_geometry != NULL) { /* add geometry if specified */
|
| 680 |
ezxml_t geom = ezxml_child(wtl, "Geometry");
|
| 681 |
if (geom == NULL)
|
| 682 |
geom = ezxml_add_child(wtl, "Geometry", strlen(wtl->txt));
|
| 683 |
ezxml_set_attr(geom, "format", "MGF");
|
| 684 |
geom = ezxml_child(geom, "MGFblock");
|
| 685 |
if (geom == NULL) {
|
| 686 |
geom = ezxml_child(wtl, "Geometry");
|
| 687 |
geom = ezxml_add_child(geom, "MGFblock", 0);
|
| 688 |
}
|
| 689 |
ezxml_set_attr(geom, "unit", attr_unit);
|
| 690 |
ezxml_set_txt(geom, input2str(mgf_geometry));
|
| 691 |
if (geom->txt[0])
|
| 692 |
ezxml_set_flag(geom, EZXML_TXTM);
|
| 693 |
}
|
| 694 |
/* check basis */
|
| 695 |
if (angle_basis != ABdefault) {
|
| 696 |
size_t offset = 0;
|
| 697 |
ezxml_t ab, dd = ezxml_child(wtl, "DataDefinition");
|
| 698 |
if (dd != NULL) {
|
| 699 |
offset = dd->off;
|
| 700 |
if (dd->child != NULL)
|
| 701 |
fprintf(stderr,
|
| 702 |
"%s: warning - replacing existing <DataDefinition> in '%s'\n",
|
| 703 |
caller, xml_path);
|
| 704 |
ezxml_remove(dd);
|
| 705 |
} else
|
| 706 |
offset = strlen(wtl->txt);
|
| 707 |
dd = ezxml_insert(ezxml_parse_str(basis_definition[angle_basis],
|
| 708 |
strlen(basis_definition[angle_basis])),
|
| 709 |
wtl, offset);
|
| 710 |
if ((ab = ezxml_child(dd, "AngleBasis")) != NULL &&
|
| 711 |
!finish_angle_basis(ab))
|
| 712 |
goto failure;
|
| 713 |
} else if ((angle_basis = determine_angle_basis(xml_path, wtl)) < 0) {
|
| 714 |
fprintf(stderr, "%s: need -a option to set angle basis\n",
|
| 715 |
caller);
|
| 716 |
goto failure;
|
| 717 |
}
|
| 718 |
/* write & add BSDF data blocks */
|
| 719 |
if (!writeBSDF(caller, fl))
|
| 720 |
goto failure;
|
| 721 |
ezxml_free(fl); /* all done */
|
| 722 |
return 1;
|
| 723 |
failure:
|
| 724 |
ezxml_free(fl);
|
| 725 |
return 0;
|
| 726 |
}
|
| 727 |
|
| 728 |
/* Report usage and exit */
|
| 729 |
static void
|
| 730 |
UsageExit(const char *pname)
|
| 731 |
{
|
| 732 |
fputs("Usage: ", stderr);
|
| 733 |
fputs(pname, stderr);
|
| 734 |
fputs(" [-W][-c][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string']", stderr);
|
| 735 |
fputs(" [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp][-C comm]", stderr);
|
| 736 |
fputs(" [input.xml]\n", stderr);
|
| 737 |
exit(1);
|
| 738 |
}
|
| 739 |
|
| 740 |
/* Load XML file and use to wrap BSDF data (or modify fields) */
|
| 741 |
int
|
| 742 |
main(int argc, char *argv[])
|
| 743 |
{
|
| 744 |
int cur_spectrum = DSvisible;
|
| 745 |
int ncust_spec = 0;
|
| 746 |
int used_stdin = 0;
|
| 747 |
int units_set = 0;
|
| 748 |
int i;
|
| 749 |
/* get/check arguments */
|
| 750 |
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
|
| 751 |
switch (argv[i][1]) {
|
| 752 |
case 'W': /* customize for WINDOW 6 output */
|
| 753 |
xml_input = win6_template;
|
| 754 |
continue;
|
| 755 |
case 'f': /* field assignment(s) */
|
| 756 |
if (++i >= argc)
|
| 757 |
UsageExit(argv[0]);
|
| 758 |
if (nfield_assign >= MAXASSIGN) {
|
| 759 |
fprintf(stderr, "%s: too many -f options",
|
| 760 |
argv[0]);
|
| 761 |
return 1;
|
| 762 |
}
|
| 763 |
field_assignment[nfield_assign++] = argv[i];
|
| 764 |
continue;
|
| 765 |
case 'u': /* unit */
|
| 766 |
if (++i >= argc)
|
| 767 |
UsageExit(argv[0]);
|
| 768 |
if (units_set++) {
|
| 769 |
fprintf(stderr, "%s: only one -u option allowed\n",
|
| 770 |
argv[0]);
|
| 771 |
return 1;
|
| 772 |
}
|
| 773 |
if (strstr(legal_units, argv[i]) == NULL) {
|
| 774 |
fprintf(stderr, "%s: -u unit must be one of (%s)\n",
|
| 775 |
argv[0], legal_units);
|
| 776 |
return 1;
|
| 777 |
}
|
| 778 |
attr_unit = argv[i];
|
| 779 |
continue;
|
| 780 |
case 'U': /* unlink data files when done */
|
| 781 |
unlink_datafiles = 1;
|
| 782 |
continue;
|
| 783 |
case 'a': /* angle basis */
|
| 784 |
if (++i >= argc)
|
| 785 |
UsageExit(argv[0]);
|
| 786 |
if (angle_basis != ABdefault) {
|
| 787 |
fprintf(stderr, "%s: only one -a option allowed\n",
|
| 788 |
argv[0]);
|
| 789 |
return 1;
|
| 790 |
}
|
| 791 |
if (!strcasecmp(argv[i], "kf"))
|
| 792 |
angle_basis = ABklemsFull;
|
| 793 |
else if (!strcasecmp(argv[i], "kh"))
|
| 794 |
angle_basis = ABklemsHalf;
|
| 795 |
else if (!strcasecmp(argv[i], "kq"))
|
| 796 |
angle_basis = ABklemsQuarter;
|
| 797 |
else if (!strcasecmp(argv[i], "t3"))
|
| 798 |
angle_basis = ABtensorTree3;
|
| 799 |
else if (!strcasecmp(argv[i], "t4"))
|
| 800 |
angle_basis = ABtensorTree4;
|
| 801 |
else
|
| 802 |
UsageExit(argv[0]);
|
| 803 |
continue;
|
| 804 |
case 'c': /* correct solid angle */
|
| 805 |
correct_solid_angle = 1;
|
| 806 |
continue;
|
| 807 |
case 'C': /* comment */
|
| 808 |
if (ncomm >= MAXCOMM) {
|
| 809 |
fprintf(stderr, "%s: too many comments\n",
|
| 810 |
argv[0]);
|
| 811 |
return 1;
|
| 812 |
}
|
| 813 |
if (strchr(argv[++i], '>') != NULL) {
|
| 814 |
fprintf(stderr, "%s: illegal character in comment\n",
|
| 815 |
argv[0]);
|
| 816 |
return 1;
|
| 817 |
}
|
| 818 |
commlist[ncomm++] = argv[i];
|
| 819 |
continue;
|
| 820 |
case 't': /* transmission */
|
| 821 |
if (i >= argc-1)
|
| 822 |
UsageExit(argv[0]);
|
| 823 |
if (ndataf >= MAXFILES) {
|
| 824 |
fprintf(stderr, "%s: too many data files\n",
|
| 825 |
argv[0]);
|
| 826 |
return 1;
|
| 827 |
}
|
| 828 |
if (!strcmp(argv[i], "-tf"))
|
| 829 |
data_file[ndataf].type = DTtransForward;
|
| 830 |
else if (!strcmp(argv[i], "-tb"))
|
| 831 |
data_file[ndataf].type = DTtransBackward;
|
| 832 |
else
|
| 833 |
UsageExit(argv[0]);
|
| 834 |
if (!strcmp(argv[++i], "-")) {
|
| 835 |
if (used_stdin++) UsageExit(argv[i]);
|
| 836 |
argv[i] = (char *)stdin_name;
|
| 837 |
}
|
| 838 |
data_file[ndataf].fname = argv[i];
|
| 839 |
data_file[ndataf].spectrum = cur_spectrum;
|
| 840 |
ndataf++;
|
| 841 |
continue;
|
| 842 |
case 'r': /* reflection */
|
| 843 |
if (i >= argc-1)
|
| 844 |
UsageExit(argv[0]);
|
| 845 |
if (ndataf >= MAXFILES) {
|
| 846 |
fprintf(stderr, "%s: too many data files\n",
|
| 847 |
argv[0]);
|
| 848 |
return 1;
|
| 849 |
}
|
| 850 |
if (!strcmp(argv[i], "-rf"))
|
| 851 |
data_file[ndataf].type = DTreflForward;
|
| 852 |
else if (!strcmp(argv[i], "-rb"))
|
| 853 |
data_file[ndataf].type = DTreflBackward;
|
| 854 |
else
|
| 855 |
UsageExit(argv[0]);
|
| 856 |
if (!strcmp(argv[++i], "-")) {
|
| 857 |
if (used_stdin++) UsageExit(argv[i]);
|
| 858 |
argv[i] = (char *)stdin_name;
|
| 859 |
}
|
| 860 |
data_file[ndataf].fname = argv[i];
|
| 861 |
data_file[ndataf].spectrum = cur_spectrum;
|
| 862 |
ndataf++;
|
| 863 |
continue;
|
| 864 |
case 's': /* spectrum name or input file */
|
| 865 |
if (++i >= argc)
|
| 866 |
UsageExit(argv[0]);
|
| 867 |
if (!strcasecmp(argv[i], "Solar"))
|
| 868 |
cur_spectrum = DSsolar;
|
| 869 |
else if (!strcasecmp(argv[i], "Visible") ||
|
| 870 |
!strcasecmp(argv[i], "CIE-Y"))
|
| 871 |
cur_spectrum = DSvisible;
|
| 872 |
else if (!strcasecmp(argv[i], "CIE-X"))
|
| 873 |
cur_spectrum = DSxbar31;
|
| 874 |
else if (!strcasecmp(argv[i], "CIE-Z"))
|
| 875 |
cur_spectrum = DSzbar31;
|
| 876 |
else if (!strcasecmp(argv[i], "CIE-u"))
|
| 877 |
cur_spectrum = DSuprime;
|
| 878 |
else if (!strcasecmp(argv[i], "CIE-v"))
|
| 879 |
cur_spectrum = DSvprime;
|
| 880 |
else if (!strcasecmp(argv[i], "NIR"))
|
| 881 |
cur_spectrum = DSnir;
|
| 882 |
else {
|
| 883 |
if (!strcmp(argv[i], "-")) {
|
| 884 |
fprintf(stderr,
|
| 885 |
"%s: cannot read spectra from stdin",
|
| 886 |
argv[0]);
|
| 887 |
return 1;
|
| 888 |
}
|
| 889 |
cur_spectrum = ncust_spec;
|
| 890 |
spectr_file[ncust_spec++] = argv[i];
|
| 891 |
}
|
| 892 |
continue;
|
| 893 |
case 'g': /* MGF geometry file */
|
| 894 |
if (i >= argc-1)
|
| 895 |
UsageExit(argv[0]);
|
| 896 |
if (mgf_geometry != NULL) {
|
| 897 |
fprintf(stderr, "%s: only one -g option allowed\n",
|
| 898 |
argv[0]);
|
| 899 |
return 1;
|
| 900 |
}
|
| 901 |
if (!strcmp(argv[++i], "-")) {
|
| 902 |
if (used_stdin++) UsageExit(argv[i]);
|
| 903 |
argv[i] = (char *)stdin_name;
|
| 904 |
}
|
| 905 |
mgf_geometry = argv[i];
|
| 906 |
continue;
|
| 907 |
case '\0': /* input XML from stdin */
|
| 908 |
break;
|
| 909 |
default:
|
| 910 |
UsageExit(argv[0]);
|
| 911 |
break;
|
| 912 |
}
|
| 913 |
break;
|
| 914 |
}
|
| 915 |
doneOptions: /* get XML input */
|
| 916 |
if (i >= argc) {
|
| 917 |
if (xml_input == NULL)
|
| 918 |
xml_input = def_template;
|
| 919 |
} else if ((i < argc-1) | (xml_input != NULL)) {
|
| 920 |
fprintf(stderr, "%s: only one XML input allowed\n", argv[0]);
|
| 921 |
UsageExit(argv[0]);
|
| 922 |
} else if (!strcmp(argv[i], "-")) {
|
| 923 |
if (used_stdin++) UsageExit(argv[0]);
|
| 924 |
xml_input = stdin_name;
|
| 925 |
} else {
|
| 926 |
xml_input = argv[i];
|
| 927 |
}
|
| 928 |
/* wrap it! */
|
| 929 |
return !wrapBSDF(argv[0]);
|
| 930 |
}
|
