1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: ies2rad.c,v 2.22 2003/07/27 22:12:01 schorsch Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Convert IES luminaire data to Radiance description |
6 |
* |
7 |
* 07Apr90 Greg Ward |
8 |
* |
9 |
* Fixed correction factor for flat sources 29Oct2001 GW |
10 |
*/ |
11 |
|
12 |
#include <stdio.h> |
13 |
#include <string.h> |
14 |
#include <math.h> |
15 |
#include <sys/types.h> |
16 |
#include <ctype.h> |
17 |
|
18 |
#include "rtio.h" |
19 |
#include "color.h" |
20 |
#include "paths.h" |
21 |
|
22 |
#define PI 3.14159265358979323846 |
23 |
/* floating comparisons */ |
24 |
#define FTINY 1e-6 |
25 |
#define FEQ(a,b) ((a)<=(b)+FTINY&&(a)>=(b)-FTINY) |
26 |
/* keywords */ |
27 |
#define MAGICID "IESNA" |
28 |
#define LMAGICID 5 |
29 |
#define FIRSTREV 86 |
30 |
#define LASTREV 95 |
31 |
|
32 |
#define D86 0 /* keywords defined in LM-63-1986 */ |
33 |
|
34 |
#define K_TST 0 |
35 |
#define K_MAN 1 |
36 |
#define K_LMC 2 |
37 |
#define K_LMN 3 |
38 |
#define K_LPC 4 |
39 |
#define K_LMP 5 |
40 |
#define K_BAL 6 |
41 |
#define K_MTC 7 |
42 |
#define K_OTH 8 |
43 |
#define K_SCH 9 |
44 |
#define K_MOR 10 |
45 |
#define K_BLK 11 |
46 |
#define K_EBK 12 |
47 |
|
48 |
#define D91 ((1L<<13)-1) /* keywords defined in LM-63-1991 */ |
49 |
|
50 |
#define K_LMG 13 |
51 |
|
52 |
#define D95 ((1L<<14)-1) /* keywords defined in LM-63-1995 */ |
53 |
|
54 |
char k_kwd[][20] = {"TEST", "MANUFAC", "LUMCAT", "LUMINAIRE", "LAMPCAT", |
55 |
"LAMP", "BALLAST", "MAINTCAT", "OTHER", "SEARCH", |
56 |
"MORE", "BLOCK", "ENDBLOCK", "LUMINOUSGEOMETRY"}; |
57 |
|
58 |
long k_defined[] = {D86, D86, D86, D86, D86, D91, D91, D91, D91, D95}; |
59 |
|
60 |
int filerev = FIRSTREV; |
61 |
|
62 |
#define keymatch(i,s) (k_defined[filerev-FIRSTREV]&1L<<(i) &&\ |
63 |
k_match(k_kwd[i],s)) |
64 |
|
65 |
#define checklamp(s) (!(k_defined[filerev-FIRSTREV]&(1<<K_LMP|1<<K_LPC)) ||\ |
66 |
keymatch(K_LMP,s) || keymatch(K_LPC,s)) |
67 |
|
68 |
/* tilt specs */ |
69 |
#define TLTSTR "TILT=" |
70 |
#define TLTSTRLEN 5 |
71 |
#define TLTNONE "NONE" |
72 |
#define TLTINCL "INCLUDE" |
73 |
#define TLT_VERT 1 |
74 |
#define TLT_H0 2 |
75 |
#define TLT_H90 3 |
76 |
/* photometric types */ |
77 |
#define PM_C 1 |
78 |
#define PM_B 2 |
79 |
/* unit types */ |
80 |
#define U_FEET 1 |
81 |
#define U_METERS 2 |
82 |
/* string lengths */ |
83 |
#define MAXLINE 132 |
84 |
#define RMAXWORD 76 |
85 |
/* file types */ |
86 |
#define T_RAD ".rad" |
87 |
#define T_DST ".dat" |
88 |
#define T_TLT "%.dat" |
89 |
#define T_OCT ".oct" |
90 |
/* shape types */ |
91 |
#define RECT 1 |
92 |
#define DISK 2 |
93 |
#define SPHERE 3 |
94 |
|
95 |
#define MINDIM .001 /* minimum dimension (point source) */ |
96 |
|
97 |
#define F_M .3048 /* feet to meters */ |
98 |
|
99 |
#define abspath(p) (ISDIRSEP((p)[0]) || (p)[0] == '.') |
100 |
|
101 |
static char default_name[] = "default"; |
102 |
|
103 |
char *libdir = NULL; /* library directory location */ |
104 |
char *prefdir = NULL; /* subdirectory */ |
105 |
char *lampdat = "lamp.tab"; /* lamp data file */ |
106 |
|
107 |
double meters2out = 1.0; /* conversion from meters to output */ |
108 |
char *lamptype = NULL; /* selected lamp type */ |
109 |
char *deflamp = NULL; /* default lamp type */ |
110 |
float defcolor[3] = {1.,1.,1.}; /* default lamp color */ |
111 |
float *lampcolor = defcolor; /* pointer to current lamp color */ |
112 |
double multiplier = 1.0; /* multiplier for all light sources */ |
113 |
char units[64] = "meters"; /* output units */ |
114 |
int out2stdout = 0; /* put out to stdout r.t. file */ |
115 |
int instantiate = 0; /* instantiate geometry */ |
116 |
double illumrad = 0.0; /* radius for illum sphere */ |
117 |
|
118 |
typedef struct { |
119 |
int isillum; /* do as illum */ |
120 |
int type; /* RECT, DISK, SPHERE */ |
121 |
double mult; /* candela multiplier */ |
122 |
double w, l, h; /* width, length, height */ |
123 |
double area; /* max. projected area */ |
124 |
} SRCINFO; /* a source shape (units=meters) */ |
125 |
|
126 |
int gargc; /* global argc (minus filenames) */ |
127 |
char **gargv; /* global argv */ |
128 |
|
129 |
|
130 |
#define scnint(fp,ip) cvtint(ip,getword(fp)) |
131 |
#define scnflt(fp,rp) cvtflt(rp,getword(fp)) |
132 |
#define isint isflt /* IES allows real as integer */ |
133 |
|
134 |
|
135 |
static int ies2rad(char *inpname, char *outname); |
136 |
static void initlamps(void); |
137 |
static int dosource(SRCINFO *sinf, FILE *in, FILE *out, char *mod, char *name); |
138 |
static int dotilt(FILE *in, FILE *out, char *dir, char *tltspec, |
139 |
char *dfltname, char *tltid); |
140 |
static int cvgeometry(char *inpname, SRCINFO *sinf, char *outname, FILE *outfp); |
141 |
static int cvtint(int *ip, char *wrd); |
142 |
static int cvdata(FILE *in, FILE *out, int ndim, int npts[], double mult, |
143 |
double lim[][2]); |
144 |
static int cvtflt(double *rp, char *wrd); |
145 |
static int makeshape(SRCINFO *shp, double width, double length, double height); |
146 |
static int putsource(SRCINFO *shp, FILE *fp, char *mod, char *name, |
147 |
int dolower, int doupper, int dosides); |
148 |
static void putrectsrc(SRCINFO *shp, FILE *fp, char *mod, char *name, int up); |
149 |
static void putsides(SRCINFO *shp, FILE *fp, char *mod, char *name); |
150 |
static void putdisksrc(SRCINFO *shp, FILE *fp, char *mod, char *name, int up); |
151 |
static void putspheresrc(SRCINFO *shp, FILE *fp, char *mod, char *name); |
152 |
static void putrect(SRCINFO *shp, FILE *fp, char *mod, char *name, char *suffix, |
153 |
int a, int b, int c, int d); |
154 |
static void putpoint(SRCINFO *shp, FILE *fp, int p); |
155 |
static void putcyl(SRCINFO *shp, FILE *fp, char *mod, char *name); |
156 |
static char * tailtrunc(char *name); |
157 |
static char * filename(char *path); |
158 |
static char * libname(char *path, char *fname, char *suffix); |
159 |
static char * getword(FILE *fp); |
160 |
static char * fullnam(char *path, char *fname, char *suffix); |
161 |
|
162 |
|
163 |
int |
164 |
main( |
165 |
int argc, |
166 |
char *argv[] |
167 |
) |
168 |
{ |
169 |
char *outfile = NULL; |
170 |
int status; |
171 |
char outname[RMAXWORD]; |
172 |
double d1; |
173 |
int i; |
174 |
|
175 |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
176 |
switch (argv[i][1]) { |
177 |
case 'd': /* dimensions */ |
178 |
if (argv[i][2] == '\0') |
179 |
goto badopt; |
180 |
if (argv[i][3] == '\0') |
181 |
d1 = 1.0; |
182 |
else if (argv[i][3] == '/') { |
183 |
d1 = atof(argv[i]+4); |
184 |
if (d1 <= FTINY) |
185 |
goto badopt; |
186 |
} else |
187 |
goto badopt; |
188 |
switch (argv[i][2]) { |
189 |
case 'c': /* centimeters */ |
190 |
if (FEQ(d1,10.)) |
191 |
strcpy(units,"millimeters"); |
192 |
else { |
193 |
strcpy(units,"centimeters"); |
194 |
strcat(units,argv[i]+3); |
195 |
} |
196 |
meters2out = 100.*d1; |
197 |
break; |
198 |
case 'm': /* meters */ |
199 |
if (FEQ(d1,1000.)) |
200 |
strcpy(units,"millimeters"); |
201 |
else if (FEQ(d1,100.)) |
202 |
strcpy(units,"centimeters"); |
203 |
else { |
204 |
strcpy(units,"meters"); |
205 |
strcat(units,argv[i]+3); |
206 |
} |
207 |
meters2out = d1; |
208 |
break; |
209 |
case 'i': /* inches */ |
210 |
strcpy(units,"inches"); |
211 |
strcat(units,argv[i]+3); |
212 |
meters2out = d1*(12./F_M); |
213 |
break; |
214 |
case 'f': /* feet */ |
215 |
if (FEQ(d1,12.)) |
216 |
strcpy(units,"inches"); |
217 |
else { |
218 |
strcpy(units,"feet"); |
219 |
strcat(units,argv[i]+3); |
220 |
} |
221 |
meters2out = d1/F_M; |
222 |
break; |
223 |
default: |
224 |
goto badopt; |
225 |
} |
226 |
break; |
227 |
case 'l': /* library directory */ |
228 |
libdir = argv[++i]; |
229 |
break; |
230 |
case 'p': /* prefix subdirectory */ |
231 |
prefdir = argv[++i]; |
232 |
break; |
233 |
case 'f': /* lamp data file */ |
234 |
lampdat = argv[++i]; |
235 |
break; |
236 |
case 'o': /* output file root name */ |
237 |
outfile = argv[++i]; |
238 |
break; |
239 |
case 's': /* output to stdout */ |
240 |
out2stdout = !out2stdout; |
241 |
break; |
242 |
case 'i': /* illum */ |
243 |
illumrad = atof(argv[++i]); |
244 |
break; |
245 |
case 'g': /* instatiate geometry? */ |
246 |
instantiate = !instantiate; |
247 |
break; |
248 |
case 't': /* override lamp type */ |
249 |
lamptype = argv[++i]; |
250 |
break; |
251 |
case 'u': /* default lamp type */ |
252 |
deflamp = argv[++i]; |
253 |
break; |
254 |
case 'c': /* default lamp color */ |
255 |
defcolor[0] = atof(argv[++i]); |
256 |
defcolor[1] = atof(argv[++i]); |
257 |
defcolor[2] = atof(argv[++i]); |
258 |
break; |
259 |
case 'm': /* multiplier */ |
260 |
multiplier = atof(argv[++i]); |
261 |
break; |
262 |
default: |
263 |
badopt: |
264 |
fprintf(stderr, "%s: bad option: %s\n", |
265 |
argv[0], argv[i]); |
266 |
exit(1); |
267 |
} |
268 |
gargc = i; |
269 |
gargv = argv; |
270 |
initlamps(); /* get lamp data (if needed) */ |
271 |
/* convert ies file(s) */ |
272 |
if (outfile != NULL) { |
273 |
if (i == argc) |
274 |
exit(ies2rad(NULL, outfile) == 0 ? 0 : 1); |
275 |
else if (i == argc-1) |
276 |
exit(ies2rad(argv[i], outfile) == 0 ? 0 : 1); |
277 |
else |
278 |
goto needsingle; |
279 |
} else if (i >= argc) { |
280 |
fprintf(stderr, "%s: missing output file specification\n", |
281 |
argv[0]); |
282 |
exit(1); |
283 |
} |
284 |
if (out2stdout && i != argc-1) |
285 |
goto needsingle; |
286 |
status = 0; |
287 |
for ( ; i < argc; i++) { |
288 |
tailtrunc(strcpy(outname,filename(argv[i]))); |
289 |
if (ies2rad(argv[i], outname) != 0) |
290 |
status = 1; |
291 |
} |
292 |
exit(status); |
293 |
needsingle: |
294 |
fprintf(stderr, "%s: single input file required\n", argv[0]); |
295 |
exit(1); |
296 |
} |
297 |
|
298 |
void |
299 |
initlamps(void) /* set up lamps */ |
300 |
{ |
301 |
float *lcol; |
302 |
int status; |
303 |
|
304 |
if (lamptype != NULL && !strcmp(lamptype, default_name) && |
305 |
deflamp == NULL) |
306 |
return; /* no need for data */ |
307 |
/* else load file */ |
308 |
if ((status = loadlamps(lampdat)) < 0) |
309 |
exit(1); |
310 |
if (status == 0) { |
311 |
fprintf(stderr, "%s: warning - no lamp data\n", lampdat); |
312 |
lamptype = default_name; |
313 |
return; |
314 |
} |
315 |
if (deflamp != NULL) { /* match default type */ |
316 |
if ((lcol = matchlamp(deflamp)) == NULL) |
317 |
fprintf(stderr, |
318 |
"%s: warning - unknown default lamp type\n", |
319 |
deflamp); |
320 |
else |
321 |
copycolor(defcolor, lcol); |
322 |
} |
323 |
if (lamptype != NULL) { /* match selected type */ |
324 |
if (strcmp(lamptype, default_name)) { |
325 |
if ((lcol = matchlamp(lamptype)) == NULL) { |
326 |
fprintf(stderr, |
327 |
"%s: warning - unknown lamp type\n", |
328 |
lamptype); |
329 |
lamptype = default_name; |
330 |
} else |
331 |
copycolor(defcolor, lcol); |
332 |
} |
333 |
freelamps(); /* all done with data */ |
334 |
} |
335 |
/* else keep lamp data */ |
336 |
} |
337 |
|
338 |
|
339 |
char * |
340 |
stradd( /* add a string at dst */ |
341 |
register char *dst, |
342 |
register char *src, |
343 |
int sep |
344 |
) |
345 |
{ |
346 |
if (src && *src) { |
347 |
do |
348 |
*dst++ = *src++; |
349 |
while (*src); |
350 |
if (sep && dst[-1] != sep) |
351 |
*dst++ = sep; |
352 |
} |
353 |
*dst = '\0'; |
354 |
return(dst); |
355 |
} |
356 |
|
357 |
|
358 |
char * |
359 |
fullnam( /* return full path name */ |
360 |
char *path, |
361 |
char *fname, |
362 |
char *suffix |
363 |
) |
364 |
{ |
365 |
if (prefdir != NULL && abspath(prefdir)) |
366 |
libname(path, fname, suffix); |
367 |
else if (abspath(fname)) |
368 |
strcpy(stradd(path, fname, 0), suffix); |
369 |
else |
370 |
libname(stradd(path, libdir, DIRSEP), fname, suffix); |
371 |
|
372 |
return(path); |
373 |
} |
374 |
|
375 |
|
376 |
char * |
377 |
libname( /* return library relative name */ |
378 |
char *path, |
379 |
char *fname, |
380 |
char *suffix |
381 |
) |
382 |
{ |
383 |
if (abspath(fname)) |
384 |
strcpy(stradd(path, fname, 0), suffix); |
385 |
else |
386 |
strcpy(stradd(stradd(path, prefdir, DIRSEP), fname, 0), suffix); |
387 |
|
388 |
return(path); |
389 |
} |
390 |
|
391 |
|
392 |
char * |
393 |
filename( /* get final component of pathname */ |
394 |
register char *path |
395 |
) |
396 |
{ |
397 |
register char *cp; |
398 |
|
399 |
for (cp = path; *path; path++) |
400 |
if (ISDIRSEP(*path)) |
401 |
cp = path+1; |
402 |
return(cp); |
403 |
} |
404 |
|
405 |
|
406 |
char * |
407 |
filetrunc( /* truncate filename at end of path */ |
408 |
char *path |
409 |
) |
410 |
{ |
411 |
register char *p1, *p2; |
412 |
|
413 |
for (p1 = p2 = path; *p2; p2++) |
414 |
if (ISDIRSEP(*p2)) |
415 |
p1 = p2; |
416 |
if (p1 == path && ISDIRSEP(*p1)) |
417 |
p1++; |
418 |
*p1 = '\0'; |
419 |
return(path); |
420 |
} |
421 |
|
422 |
|
423 |
char * |
424 |
tailtrunc( /* truncate tail of filename */ |
425 |
char *name |
426 |
) |
427 |
{ |
428 |
register char *p1, *p2; |
429 |
|
430 |
for (p1 = filename(name); *p1 == '.'; p1++) |
431 |
; |
432 |
p2 = NULL; |
433 |
for ( ; *p1; p1++) |
434 |
if (*p1 == '.') |
435 |
p2 = p1; |
436 |
if (p2 != NULL) |
437 |
*p2 = '\0'; |
438 |
return(name); |
439 |
} |
440 |
|
441 |
|
442 |
void |
443 |
blanktrunc( /* truncate spaces at end of line */ |
444 |
char *s |
445 |
) |
446 |
{ |
447 |
register char *cp; |
448 |
|
449 |
for (cp = s; *cp; cp++) |
450 |
; |
451 |
while (cp-- > s && isspace(*cp)) |
452 |
; |
453 |
*++cp = '\0'; |
454 |
} |
455 |
|
456 |
|
457 |
int |
458 |
k_match( /* header line matches keyword? */ |
459 |
register char *kwd, |
460 |
register char *hdl |
461 |
) |
462 |
{ |
463 |
if (!*hdl++ == '[') |
464 |
return(0); |
465 |
while (islower(*hdl) ? toupper(*hdl) == *kwd++ : *hdl == *kwd++) |
466 |
if (!*hdl++) |
467 |
return(0); |
468 |
return((!*kwd) & (*hdl == ']')); |
469 |
} |
470 |
|
471 |
|
472 |
char * |
473 |
keyargs( /* return keyword arguments */ |
474 |
register char *hdl |
475 |
) |
476 |
{ |
477 |
while (*hdl && *hdl++ != ']') |
478 |
; |
479 |
while (isspace(*hdl)) |
480 |
hdl++; |
481 |
return(hdl); |
482 |
} |
483 |
|
484 |
|
485 |
void |
486 |
putheader( /* print header */ |
487 |
FILE *out |
488 |
) |
489 |
{ |
490 |
register int i; |
491 |
|
492 |
putc('#', out); |
493 |
for (i = 0; i < gargc; i++) { |
494 |
putc(' ', out); |
495 |
fputs(gargv[i], out); |
496 |
} |
497 |
fputs("\n# Dimensions in ", out); |
498 |
fputs(units, out); |
499 |
putc('\n', out); |
500 |
} |
501 |
|
502 |
|
503 |
int |
504 |
ies2rad( /* convert IES file */ |
505 |
char *inpname, |
506 |
char *outname |
507 |
) |
508 |
{ |
509 |
SRCINFO srcinfo; |
510 |
char buf[MAXLINE], tltid[RMAXWORD]; |
511 |
char geomfile[128]; |
512 |
FILE *inpfp, *outfp; |
513 |
int lineno = 0; |
514 |
|
515 |
geomfile[0] = '\0'; |
516 |
srcinfo.isillum = 0; |
517 |
if (inpname == NULL) { |
518 |
inpname = "<stdin>"; |
519 |
inpfp = stdin; |
520 |
} else if ((inpfp = fopen(inpname, "r")) == NULL) { |
521 |
perror(inpname); |
522 |
return(-1); |
523 |
} |
524 |
if (out2stdout) |
525 |
outfp = stdout; |
526 |
else if ((outfp = fopen(fullnam(buf,outname,T_RAD), "w")) == NULL) { |
527 |
perror(buf); |
528 |
fclose(inpfp); |
529 |
return(-1); |
530 |
} |
531 |
putheader(outfp); |
532 |
if (lamptype == NULL) |
533 |
lampcolor = NULL; |
534 |
while (fgets(buf,sizeof(buf),inpfp) != NULL |
535 |
&& strncmp(buf,TLTSTR,TLTSTRLEN)) { |
536 |
blanktrunc(buf); |
537 |
if (!buf[0]) |
538 |
continue; |
539 |
if (!lineno++ && !strncmp(buf, MAGICID, LMAGICID)) { |
540 |
filerev = atoi(buf+LMAGICID); |
541 |
if (filerev < FIRSTREV) |
542 |
filerev = FIRSTREV; |
543 |
else if (filerev > LASTREV) |
544 |
filerev = LASTREV; |
545 |
} |
546 |
fputs("#<", outfp); |
547 |
fputs(buf, outfp); |
548 |
putc('\n', outfp); |
549 |
if (lampcolor == NULL && checklamp(buf)) |
550 |
lampcolor = matchlamp( buf[0] == '[' ? |
551 |
keyargs(buf) : buf ); |
552 |
if (keymatch(K_LMG, buf)) { /* geometry file */ |
553 |
strcpy(geomfile, inpname); |
554 |
strcpy(filename(geomfile), keyargs(buf)); |
555 |
srcinfo.isillum = 1; |
556 |
} |
557 |
} |
558 |
if (lampcolor == NULL) { |
559 |
fprintf(stderr, "%s: warning - no lamp type\n", inpname); |
560 |
fputs("# Unknown lamp type (used default)\n", outfp); |
561 |
lampcolor = defcolor; |
562 |
} else if (lamptype == NULL) |
563 |
fprintf(outfp,"# CIE(x,y) = (%f,%f)\n# Depreciation = %.1f%%\n", |
564 |
lampcolor[3], lampcolor[4], 100.*lampcolor[5]); |
565 |
if (feof(inpfp)) { |
566 |
fprintf(stderr, "%s: not in IES format\n", inpname); |
567 |
goto readerr; |
568 |
} |
569 |
atos(tltid, RMAXWORD, buf+TLTSTRLEN); |
570 |
if (inpfp == stdin) |
571 |
buf[0] = '\0'; |
572 |
else |
573 |
filetrunc(strcpy(buf, inpname)); |
574 |
if (dotilt(inpfp, outfp, buf, tltid, outname, tltid) != 0) { |
575 |
fprintf(stderr, "%s: bad tilt data\n", inpname); |
576 |
goto readerr; |
577 |
} |
578 |
if (dosource(&srcinfo, inpfp, outfp, tltid, outname) != 0) { |
579 |
fprintf(stderr, "%s: bad luminaire data\n", inpname); |
580 |
goto readerr; |
581 |
} |
582 |
fclose(inpfp); |
583 |
/* cvgeometry closes outfp */ |
584 |
if (cvgeometry(geomfile, &srcinfo, outname, outfp) != 0) { |
585 |
fprintf(stderr, "%s: bad geometry file\n", geomfile); |
586 |
return(-1); |
587 |
} |
588 |
return(0); |
589 |
readerr: |
590 |
fclose(inpfp); |
591 |
fclose(outfp); |
592 |
unlink(fullnam(buf,outname,T_RAD)); |
593 |
return(-1); |
594 |
} |
595 |
|
596 |
|
597 |
int |
598 |
dotilt( /* convert tilt data */ |
599 |
FILE *in, |
600 |
FILE *out, |
601 |
char *dir, |
602 |
char *tltspec, |
603 |
char *dfltname, |
604 |
char *tltid |
605 |
) |
606 |
{ |
607 |
int nangles, tlt_type; |
608 |
double minmax[1][2]; |
609 |
char buf[PATH_MAX], tltname[RMAXWORD]; |
610 |
FILE *datin, *datout; |
611 |
|
612 |
if (!strcmp(tltspec, TLTNONE)) { |
613 |
datin = NULL; |
614 |
strcpy(tltid, "void"); |
615 |
} else if (!strcmp(tltspec, TLTINCL)) { |
616 |
datin = in; |
617 |
strcpy(tltname, dfltname); |
618 |
} else { |
619 |
if (ISDIRSEP(tltspec[0])) |
620 |
strcpy(buf, tltspec); |
621 |
else |
622 |
strcpy(stradd(buf, dir, DIRSEP), tltspec); |
623 |
if ((datin = fopen(buf, "r")) == NULL) { |
624 |
perror(buf); |
625 |
return(-1); |
626 |
} |
627 |
tailtrunc(strcpy(tltname,filename(tltspec))); |
628 |
} |
629 |
if (datin != NULL) { |
630 |
if ((datout = fopen(fullnam(buf,tltname,T_TLT),"w")) == NULL) { |
631 |
perror(buf); |
632 |
if (datin != in) |
633 |
fclose(datin); |
634 |
return(-1); |
635 |
} |
636 |
if (!scnint(datin,&tlt_type) || !scnint(datin,&nangles) |
637 |
|| cvdata(datin,datout,1,&nangles,1.,minmax) != 0) { |
638 |
fprintf(stderr, "%s: data format error\n", tltspec); |
639 |
fclose(datout); |
640 |
if (datin != in) |
641 |
fclose(datin); |
642 |
unlink(fullnam(buf,tltname,T_TLT)); |
643 |
return(-1); |
644 |
} |
645 |
fclose(datout); |
646 |
if (datin != in) |
647 |
fclose(datin); |
648 |
strcat(strcpy(tltid, filename(tltname)), "_tilt"); |
649 |
fprintf(out, "\nvoid brightdata %s\n", tltid); |
650 |
libname(buf,tltname,T_TLT); |
651 |
switch (tlt_type) { |
652 |
case TLT_VERT: /* vertical */ |
653 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
654 |
minmax[0][1]>90.+FTINY ? "tilt_ang" : "tilt_ang2"); |
655 |
break; |
656 |
case TLT_H0: /* horiz. in 0 deg. plane */ |
657 |
fprintf(out, "6 noop %s tilt.cal %s -rz 90\n", buf, |
658 |
minmax[0][1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
659 |
break; |
660 |
case TLT_H90: |
661 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
662 |
minmax[0][1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
663 |
break; |
664 |
default: |
665 |
fprintf(stderr, |
666 |
"%s: illegal lamp to luminaire geometry (%d)\n", |
667 |
tltspec, tlt_type); |
668 |
return(-1); |
669 |
} |
670 |
fprintf(out, "0\n0\n"); |
671 |
} |
672 |
return(0); |
673 |
} |
674 |
|
675 |
|
676 |
int |
677 |
dosource( /* create source and distribution */ |
678 |
SRCINFO *sinf, |
679 |
FILE *in, |
680 |
FILE *out, |
681 |
char *mod, |
682 |
char *name |
683 |
) |
684 |
{ |
685 |
char buf[PATH_MAX], id[RMAXWORD]; |
686 |
FILE *datout; |
687 |
double mult, bfactor, pfactor, width, length, height, wattage; |
688 |
double bounds[2][2]; |
689 |
int nangles[2], pmtype, unitype; |
690 |
double d1; |
691 |
int doupper, dolower, dosides; |
692 |
|
693 |
if (!isint(getword(in)) || !isflt(getword(in)) || !scnflt(in,&mult) |
694 |
|| !scnint(in,&nangles[0]) || !scnint(in,&nangles[1]) |
695 |
|| !scnint(in,&pmtype) || !scnint(in,&unitype) |
696 |
|| !scnflt(in,&width) || !scnflt(in,&length) |
697 |
|| !scnflt(in,&height) || !scnflt(in,&bfactor) |
698 |
|| !scnflt(in,&pfactor) || !scnflt(in,&wattage)) { |
699 |
fprintf(stderr, "dosource: bad lamp specification\n"); |
700 |
return(-1); |
701 |
} |
702 |
sinf->mult = multiplier*mult*bfactor*pfactor; |
703 |
if (nangles[0] < 2 || nangles[1] < 1) { |
704 |
fprintf(stderr, "dosource: too few measured angles\n"); |
705 |
return(-1); |
706 |
} |
707 |
if (unitype == U_FEET) { |
708 |
width *= F_M; |
709 |
length *= F_M; |
710 |
height *= F_M; |
711 |
} |
712 |
if (makeshape(sinf, width, length, height) != 0) { |
713 |
fprintf(stderr, "dosource: illegal source dimensions"); |
714 |
return(-1); |
715 |
} |
716 |
if ((datout = fopen(fullnam(buf,name,T_DST), "w")) == NULL) { |
717 |
perror(buf); |
718 |
return(-1); |
719 |
} |
720 |
if (cvdata(in, datout, 2, nangles, 1./WHTEFFICACY, bounds) != 0) { |
721 |
fprintf(stderr, "dosource: bad distribution data\n"); |
722 |
fclose(datout); |
723 |
unlink(fullnam(buf,name,T_DST)); |
724 |
return(-1); |
725 |
} |
726 |
fclose(datout); |
727 |
fprintf(out, "# %g watt luminaire, lamp*ballast factor = %g\n", |
728 |
wattage, bfactor*pfactor); |
729 |
strcat(strcpy(id, filename(name)), "_dist"); |
730 |
fprintf(out, "\n%s brightdata %s\n", mod, id); |
731 |
if (nangles[1] < 2) |
732 |
fprintf(out, "4 "); |
733 |
else if (pmtype == PM_B) |
734 |
fprintf(out, "5 "); |
735 |
else if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
736 |
fprintf(out, "7 "); |
737 |
else |
738 |
fprintf(out, "5 "); |
739 |
dolower = (bounds[0][0] < 90.); |
740 |
doupper = (bounds[0][1] > 90.); |
741 |
dosides = (doupper & dolower && sinf->h > MINDIM); |
742 |
fprintf(out, "%s %s source.cal ", |
743 |
sinf->type==SPHERE ? "corr" : |
744 |
!dosides ? "flatcorr" : |
745 |
sinf->type==DISK ? "cylcorr" : "boxcorr", |
746 |
libname(buf,name,T_DST)); |
747 |
if (pmtype == PM_B) { |
748 |
if (FEQ(bounds[1][0],0.)) |
749 |
fprintf(out, "srcB_horiz2 "); |
750 |
else |
751 |
fprintf(out, "srcB_horiz "); |
752 |
fprintf(out, "srcB_vert "); |
753 |
} else /* pmtype == PM_A */ { |
754 |
if (nangles[1] >= 2) { |
755 |
d1 = bounds[1][1] - bounds[1][0]; |
756 |
if (d1 <= 90.+FTINY) |
757 |
fprintf(out, "src_phi4 "); |
758 |
else if (d1 <= 180.+FTINY) { |
759 |
if (FEQ(bounds[1][0],90.)) |
760 |
fprintf(out, "src_phi2+90 "); |
761 |
else |
762 |
fprintf(out, "src_phi2 "); |
763 |
} else |
764 |
fprintf(out, "src_phi "); |
765 |
fprintf(out, "src_theta "); |
766 |
if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
767 |
fprintf(out, "-rz -90 "); |
768 |
} else |
769 |
fprintf(out, "src_theta "); |
770 |
} |
771 |
if (!dosides || sinf->type == SPHERE) |
772 |
fprintf(out, "\n0\n1 %g\n", sinf->mult/sinf->area); |
773 |
else if (sinf->type == DISK) |
774 |
fprintf(out, "\n0\n3 %g %g %g\n", sinf->mult, |
775 |
sinf->w, sinf->h); |
776 |
else |
777 |
fprintf(out, "\n0\n4 %g %g %g %g\n", sinf->mult, |
778 |
sinf->l, sinf->w, sinf->h); |
779 |
if (putsource(sinf, out, id, filename(name), |
780 |
dolower, doupper, dosides) != 0) |
781 |
return(-1); |
782 |
return(0); |
783 |
} |
784 |
|
785 |
|
786 |
int |
787 |
putsource( /* put out source */ |
788 |
SRCINFO *shp, |
789 |
FILE *fp, |
790 |
char *mod, |
791 |
char *name, |
792 |
int dolower, |
793 |
int doupper, |
794 |
int dosides |
795 |
) |
796 |
{ |
797 |
char lname[RMAXWORD]; |
798 |
|
799 |
strcat(strcpy(lname, name), "_light"); |
800 |
fprintf(fp, "\n%s %s %s\n", mod, |
801 |
shp->isillum ? "illum" : "light", lname); |
802 |
fprintf(fp, "0\n0\n3 %g %g %g\n", |
803 |
lampcolor[0], lampcolor[1], lampcolor[2]); |
804 |
switch (shp->type) { |
805 |
case RECT: |
806 |
if (dolower) |
807 |
putrectsrc(shp, fp, lname, name, 0); |
808 |
if (doupper) |
809 |
putrectsrc(shp, fp, lname, name, 1); |
810 |
if (dosides) |
811 |
putsides(shp, fp, lname, name); |
812 |
break; |
813 |
case DISK: |
814 |
if (dolower) |
815 |
putdisksrc(shp, fp, lname, name, 0); |
816 |
if (doupper) |
817 |
putdisksrc(shp, fp, lname, name, 1); |
818 |
if (dosides) |
819 |
putcyl(shp, fp, lname, name); |
820 |
break; |
821 |
case SPHERE: |
822 |
putspheresrc(shp, fp, lname, name); |
823 |
break; |
824 |
} |
825 |
return(0); |
826 |
} |
827 |
|
828 |
|
829 |
int |
830 |
makeshape( /* make source shape */ |
831 |
register SRCINFO *shp, |
832 |
double width, |
833 |
double length, |
834 |
double height |
835 |
) |
836 |
{ |
837 |
if (illumrad/meters2out >= MINDIM/2.) { |
838 |
shp->isillum = 1; |
839 |
shp->type = SPHERE; |
840 |
shp->w = shp->l = shp->h = 2.*illumrad / meters2out; |
841 |
} else if (width < MINDIM) { |
842 |
width = -width; |
843 |
if (width < MINDIM) { |
844 |
shp->type = SPHERE; |
845 |
shp->w = shp->l = shp->h = MINDIM; |
846 |
} else if (height < .5*width) { |
847 |
shp->type = DISK; |
848 |
shp->w = shp->l = width; |
849 |
if (height >= MINDIM) |
850 |
shp->h = height; |
851 |
else |
852 |
shp->h = .5*MINDIM; |
853 |
} else { |
854 |
shp->type = SPHERE; |
855 |
shp->w = shp->l = shp->h = width; |
856 |
} |
857 |
} else { |
858 |
shp->type = RECT; |
859 |
shp->w = width; |
860 |
if (length >= MINDIM) |
861 |
shp->l = length; |
862 |
else |
863 |
shp->l = MINDIM; |
864 |
if (height >= MINDIM) |
865 |
shp->h = height; |
866 |
else |
867 |
shp->h = .5*MINDIM; |
868 |
} |
869 |
switch (shp->type) { |
870 |
case RECT: |
871 |
shp->area = shp->w * shp->l; |
872 |
break; |
873 |
case DISK: |
874 |
case SPHERE: |
875 |
shp->area = PI/4. * shp->w * shp->w; |
876 |
break; |
877 |
} |
878 |
return(0); |
879 |
} |
880 |
|
881 |
|
882 |
void |
883 |
putrectsrc( /* rectangular source */ |
884 |
SRCINFO *shp, |
885 |
FILE *fp, |
886 |
char *mod, |
887 |
char *name, |
888 |
int up |
889 |
) |
890 |
{ |
891 |
if (up) |
892 |
putrect(shp, fp, mod, name, ".u", 4, 5, 7, 6); |
893 |
else |
894 |
putrect(shp, fp, mod, name, ".d", 0, 2, 3, 1); |
895 |
} |
896 |
|
897 |
|
898 |
void |
899 |
putsides( /* put out sides of box */ |
900 |
register SRCINFO *shp, |
901 |
FILE *fp, |
902 |
char *mod, |
903 |
char *name |
904 |
) |
905 |
{ |
906 |
putrect(shp, fp, mod, name, ".1", 0, 1, 5, 4); |
907 |
putrect(shp, fp, mod, name, ".2", 1, 3, 7, 5); |
908 |
putrect(shp, fp, mod, name, ".3", 3, 2, 6, 7); |
909 |
putrect(shp, fp, mod, name, ".4", 2, 0, 4, 6); |
910 |
} |
911 |
|
912 |
|
913 |
void |
914 |
putrect( /* put out a rectangle */ |
915 |
SRCINFO *shp, |
916 |
FILE *fp, |
917 |
char *mod, |
918 |
char *name, |
919 |
char *suffix, |
920 |
int a, |
921 |
int b, |
922 |
int c, |
923 |
int d |
924 |
) |
925 |
{ |
926 |
fprintf(fp, "\n%s polygon %s%s\n0\n0\n12\n", mod, name, suffix); |
927 |
putpoint(shp, fp, a); |
928 |
putpoint(shp, fp, b); |
929 |
putpoint(shp, fp, c); |
930 |
putpoint(shp, fp, d); |
931 |
} |
932 |
|
933 |
|
934 |
void |
935 |
putpoint( /* put out a point */ |
936 |
register SRCINFO *shp, |
937 |
FILE *fp, |
938 |
int p |
939 |
) |
940 |
{ |
941 |
static double mult[2] = {-.5, .5}; |
942 |
|
943 |
fprintf(fp, "\t%g\t%g\t%g\n", |
944 |
mult[p&1]*shp->l*meters2out, |
945 |
mult[p>>1&1]*shp->w*meters2out, |
946 |
mult[p>>2]*shp->h*meters2out); |
947 |
} |
948 |
|
949 |
|
950 |
void |
951 |
putdisksrc( /* put out a disk source */ |
952 |
register SRCINFO *shp, |
953 |
FILE *fp, |
954 |
char *mod, |
955 |
char *name, |
956 |
int up |
957 |
) |
958 |
{ |
959 |
if (up) { |
960 |
fprintf(fp, "\n%s ring %s.u\n", mod, name); |
961 |
fprintf(fp, "0\n0\n8\n"); |
962 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
963 |
fprintf(fp, "\t0 0 1\n"); |
964 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
965 |
} else { |
966 |
fprintf(fp, "\n%s ring %s.d\n", mod, name); |
967 |
fprintf(fp, "0\n0\n8\n"); |
968 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
969 |
fprintf(fp, "\t0 0 -1\n"); |
970 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
971 |
} |
972 |
} |
973 |
|
974 |
|
975 |
void |
976 |
putcyl( /* put out a cylinder */ |
977 |
register SRCINFO *shp, |
978 |
FILE *fp, |
979 |
char *mod, |
980 |
char *name |
981 |
) |
982 |
{ |
983 |
fprintf(fp, "\n%s cylinder %s.c\n", mod, name); |
984 |
fprintf(fp, "0\n0\n7\n"); |
985 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
986 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
987 |
fprintf(fp, "\t%g\n", .5*shp->w*meters2out); |
988 |
} |
989 |
|
990 |
|
991 |
void |
992 |
putspheresrc( /* put out a sphere source */ |
993 |
SRCINFO *shp, |
994 |
FILE *fp, |
995 |
char *mod, |
996 |
char *name |
997 |
) |
998 |
{ |
999 |
fprintf(fp, "\n%s sphere %s.s\n", mod, name); |
1000 |
fprintf(fp, "0\n0\n4 0 0 0 %g\n", .5*shp->w*meters2out); |
1001 |
} |
1002 |
|
1003 |
|
1004 |
int |
1005 |
cvdata( /* convert data */ |
1006 |
FILE *in, |
1007 |
FILE *out, |
1008 |
int ndim, |
1009 |
int npts[], |
1010 |
double mult, |
1011 |
double lim[][2] |
1012 |
) |
1013 |
{ |
1014 |
double *pt[4]; |
1015 |
register int i, j; |
1016 |
double val; |
1017 |
int total; |
1018 |
|
1019 |
total = 1; j = 0; |
1020 |
for (i = 0; i < ndim; i++) |
1021 |
if (npts[i] > 1) { |
1022 |
total *= npts[i]; |
1023 |
j++; |
1024 |
} |
1025 |
fprintf(out, "%d\n", j); |
1026 |
/* get coordinates */ |
1027 |
for (i = 0; i < ndim; i++) { |
1028 |
pt[i] = (double *)malloc(npts[i]*sizeof(double)); |
1029 |
for (j = 0; j < npts[i]; j++) |
1030 |
if (!scnflt(in, &pt[i][j])) |
1031 |
return(-1); |
1032 |
if (lim != NULL) { |
1033 |
lim[i][0] = pt[i][0]; |
1034 |
lim[i][1] = pt[i][npts[i]-1]; |
1035 |
} |
1036 |
} |
1037 |
/* write out in reverse */ |
1038 |
for (i = ndim-1; i >= 0; i--) { |
1039 |
if (npts[i] > 1) { |
1040 |
for (j = 1; j < npts[i]-1; j++) |
1041 |
if (!FEQ(pt[i][j]-pt[i][j-1], |
1042 |
pt[i][j+1]-pt[i][j])) |
1043 |
break; |
1044 |
if (j == npts[i]-1) |
1045 |
fprintf(out, "%g %g %d\n", pt[i][0], pt[i][j], |
1046 |
npts[i]); |
1047 |
else { |
1048 |
fprintf(out, "0 0 %d", npts[i]); |
1049 |
for (j = 0; j < npts[i]; j++) { |
1050 |
if (j%4 == 0) |
1051 |
putc('\n', out); |
1052 |
fprintf(out, "\t%g", pt[i][j]); |
1053 |
} |
1054 |
putc('\n', out); |
1055 |
} |
1056 |
} |
1057 |
free((void *)pt[i]); |
1058 |
} |
1059 |
for (i = 0; i < total; i++) { |
1060 |
if (i%4 == 0) |
1061 |
putc('\n', out); |
1062 |
if (!scnflt(in, &val)) |
1063 |
return(-1); |
1064 |
fprintf(out, "\t%g", val*mult); |
1065 |
} |
1066 |
putc('\n', out); |
1067 |
return(0); |
1068 |
} |
1069 |
|
1070 |
|
1071 |
char * |
1072 |
getword( /* scan a word from fp */ |
1073 |
register FILE *fp |
1074 |
) |
1075 |
{ |
1076 |
static char wrd[RMAXWORD]; |
1077 |
register char *cp; |
1078 |
register int c; |
1079 |
|
1080 |
while (isspace(c=getc(fp))) |
1081 |
; |
1082 |
for (cp = wrd; c != EOF && cp < wrd+RMAXWORD-1; |
1083 |
*cp++ = c, c = getc(fp)) |
1084 |
if (isspace(c) || c == ',') { |
1085 |
while (isspace(c)) |
1086 |
c = getc(fp); |
1087 |
if ((c != EOF) & (c != ',')) |
1088 |
ungetc(c, fp); |
1089 |
*cp = '\0'; |
1090 |
return(wrd); |
1091 |
} |
1092 |
*cp = '\0'; |
1093 |
return(cp > wrd ? wrd : NULL); |
1094 |
} |
1095 |
|
1096 |
|
1097 |
int |
1098 |
cvtint( /* convert a word to an integer */ |
1099 |
int *ip, |
1100 |
char *wrd |
1101 |
) |
1102 |
{ |
1103 |
if (wrd == NULL || !isint(wrd)) |
1104 |
return(0); |
1105 |
*ip = atoi(wrd); |
1106 |
return(1); |
1107 |
} |
1108 |
|
1109 |
|
1110 |
int |
1111 |
cvtflt( /* convert a word to a double */ |
1112 |
double *rp, |
1113 |
char *wrd |
1114 |
) |
1115 |
{ |
1116 |
if (wrd == NULL || !isflt(wrd)) |
1117 |
return(0); |
1118 |
*rp = atof(wrd); |
1119 |
return(1); |
1120 |
} |
1121 |
|
1122 |
|
1123 |
int |
1124 |
cvgeometry( |
1125 |
char *inpname, |
1126 |
register SRCINFO *sinf, |
1127 |
char *outname, |
1128 |
FILE *outfp /* close output file upon return */ |
1129 |
) |
1130 |
{ |
1131 |
char buf[256]; |
1132 |
register char *cp; |
1133 |
|
1134 |
if (inpname == NULL || !inpname[0]) { /* no geometry file */ |
1135 |
fclose(outfp); |
1136 |
return(0); |
1137 |
} |
1138 |
putc('\n', outfp); |
1139 |
strcpy(buf, "mgf2rad "); /* build mgf2rad command */ |
1140 |
cp = buf+8; |
1141 |
if (!FEQ(sinf->mult, 1.0)) { |
1142 |
sprintf(cp, "-m %f ", sinf->mult); |
1143 |
cp += strlen(cp); |
1144 |
} |
1145 |
sprintf(cp, "-g %f %s ", |
1146 |
sqrt(sinf->w*sinf->w + sinf->h*sinf->h + sinf->l*sinf->l), |
1147 |
inpname); |
1148 |
cp += strlen(cp); |
1149 |
if (instantiate) { /* instantiate octree */ |
1150 |
strcpy(cp, "| oconv - > "); |
1151 |
cp += 12; |
1152 |
fullnam(cp,outname,T_OCT); |
1153 |
if (fdate(inpname) > fdate(outname) && |
1154 |
system(buf)) { /* create octree */ |
1155 |
fclose(outfp); |
1156 |
return(-1); |
1157 |
} |
1158 |
fprintf(outfp, "void instance %s_inst\n", outname); |
1159 |
if (!FEQ(meters2out, 1.0)) |
1160 |
fprintf(outfp, "3 %s -s %f\n", |
1161 |
libname(buf,outname,T_OCT), |
1162 |
meters2out); |
1163 |
else |
1164 |
fprintf(outfp, "1 %s\n", libname(buf,outname,T_OCT)); |
1165 |
fprintf(outfp, "0\n0\n"); |
1166 |
fclose(outfp); |
1167 |
} else { /* else append to luminaire file */ |
1168 |
if (!FEQ(meters2out, 1.0)) { /* apply scalefactor */ |
1169 |
sprintf(cp, "| xform -s %f ", meters2out); |
1170 |
cp += strlen(cp); |
1171 |
} |
1172 |
if (!out2stdout) { |
1173 |
fclose(outfp); |
1174 |
strcpy(cp, ">> "); /* append works for DOS? */ |
1175 |
cp += 3; |
1176 |
fullnam(cp,outname,T_RAD); |
1177 |
} |
1178 |
if (system(buf)) |
1179 |
return(-1); |
1180 |
} |
1181 |
return(0); |
1182 |
} |