| 19 |
|
#define NSAMPLES 80000 /* default number of samples */ |
| 20 |
|
#endif |
| 21 |
|
|
| 22 |
+ |
#define SURF_EPS 0.0005 /* surface testing epsilon */ |
| 23 |
+ |
|
| 24 |
|
char *progname; /* global argv[0] */ |
| 25 |
|
|
| 26 |
|
int nsamps = NSAMPLES; /* number of samples to use */ |
| 28 |
|
char temp_octree[128]; /* temporary octree */ |
| 29 |
|
|
| 30 |
|
const char UVF_PNAME[] = |
| 31 |
< |
"ZoneProperty:UserViewFactor:bySurfaceName"; |
| 31 |
> |
"ZoneProperty:UserViewFactors:bySurfaceName"; |
| 32 |
|
|
| 33 |
+ |
const char SUBSURF_PNAME[] = |
| 34 |
+ |
"FenestrationSurface:Detailed"; |
| 35 |
+ |
|
| 36 |
|
const char ADD_HEADER[] = |
| 37 |
|
"\n!+++ User View Factors computed by Radiance +++!\n\n"; |
| 38 |
|
|
| 39 |
|
#define NAME_FLD 1 /* name field always first? */ |
| 40 |
|
|
| 41 |
+ |
#define SS_BASE_FLD 4 /* subsurface base surface */ |
| 42 |
+ |
#define SS_VERT_FLD 10 /* subsurface vertex count */ |
| 43 |
+ |
|
| 44 |
|
typedef struct { |
| 45 |
|
const char *pname; /* object type name */ |
| 46 |
|
short zone_fld; /* zone field index */ |
| 59 |
|
const char *zname; /* zone name */ |
| 60 |
|
struct s_zone *next; /* next zone in list */ |
| 61 |
|
int nsurf; /* surface count */ |
| 62 |
+ |
int ntotal; /* surfaces+subsurfaces */ |
| 63 |
|
IDF_OBJECT *pfirst; /* first matching object */ |
| 64 |
< |
IDF_OBJECT *plast; /* last matching object */ |
| 64 |
> |
IDF_OBJECT *plast; /* last before subsurfaces */ |
| 65 |
|
} ZONE; /* a list of collected zone surfaces */ |
| 66 |
|
|
| 67 |
|
ZONE *zone_list = NULL; /* our list of zones */ |
| 68 |
|
|
| 69 |
+ |
LUTAB zonesurf_lut = /* zone surface lookup table */ |
| 70 |
+ |
LU_SINIT(NULL,NULL); |
| 71 |
+ |
|
| 72 |
|
IDF_LOADED *our_idf = NULL; /* loaded/modified IDF */ |
| 73 |
|
|
| 74 |
|
typedef struct { |
| 75 |
+ |
FVECT norm; /* surface normal */ |
| 76 |
+ |
double area; /* surface area */ |
| 77 |
+ |
int nv; /* number of vertices */ |
| 78 |
+ |
FVECT vl[3]; /* vertex list (extends struct) */ |
| 79 |
+ |
} SURFACE; /* a polygonal surface */ |
| 80 |
+ |
|
| 81 |
+ |
typedef struct { |
| 82 |
|
FVECT sdir[3]; /* UVW unit sampling vectors */ |
| 83 |
|
double poff; /* W-offset for plane of polygon */ |
| 84 |
|
double area_left; /* area left to sample */ |
| 97 |
|
znew->zname = zname; /* assumes static */ |
| 98 |
|
znew->next = zone_list; |
| 99 |
|
znew->pfirst = znew->plast = param; |
| 100 |
< |
znew->nsurf = 1; |
| 100 |
> |
znew->ntotal = znew->nsurf = 1; |
| 101 |
|
return(zone_list = znew); |
| 102 |
|
} |
| 103 |
|
|
| 105 |
|
static ZONE * |
| 106 |
|
add2zone(IDF_OBJECT *param, const char *zname) |
| 107 |
|
{ |
| 108 |
< |
ZONE *zptr; |
| 108 |
> |
IDF_FIELD *nfp = idf_getfield(param, NAME_FLD); |
| 109 |
> |
ZONE *zptr; |
| 110 |
> |
LUENT *lep; |
| 111 |
|
|
| 112 |
+ |
if (nfp == NULL) { |
| 113 |
+ |
fputs(progname, stderr); |
| 114 |
+ |
fputs(": surface missing name field!\n", stderr); |
| 115 |
+ |
return(NULL); |
| 116 |
+ |
} |
| 117 |
|
for (zptr = zone_list; zptr != NULL; zptr = zptr->next) |
| 118 |
|
if (!strcmp(zptr->zname, zname)) |
| 119 |
|
break; |
| 120 |
< |
if (zptr == NULL) |
| 121 |
< |
return(new_zone(zname, param)); |
| 122 |
< |
/* keep surfaces together */ |
| 120 |
> |
if (zptr == NULL) { |
| 121 |
> |
zptr = new_zone(zname, param); |
| 122 |
> |
} else { /* keep surfaces together */ |
| 123 |
> |
if (!idf_movobject(our_idf, param, zptr->plast)) |
| 124 |
> |
return(NULL); |
| 125 |
> |
zptr->plast = param; |
| 126 |
> |
zptr->nsurf++; |
| 127 |
> |
zptr->ntotal++; |
| 128 |
> |
} |
| 129 |
> |
/* add to lookup table */ |
| 130 |
> |
lep = lu_find(&zonesurf_lut, nfp->val); |
| 131 |
> |
if (lep == NULL) |
| 132 |
> |
return(NULL); |
| 133 |
> |
if (lep->data != NULL) { |
| 134 |
> |
fputs(progname, stderr); |
| 135 |
> |
fputs(": duplicate surface name '", stderr); |
| 136 |
> |
fputs(nfp->val, stderr); |
| 137 |
> |
fputs("'\n", stderr); |
| 138 |
> |
return(NULL); |
| 139 |
> |
} |
| 140 |
> |
lep->key = nfp->val; |
| 141 |
> |
lep->data = (char *)zptr; |
| 142 |
> |
return(zptr); |
| 143 |
> |
} |
| 144 |
> |
|
| 145 |
> |
/* Add a subsurface by finding its base surface and the corresponding zone */ |
| 146 |
> |
static ZONE * |
| 147 |
> |
add_subsurf(IDF_OBJECT *param) |
| 148 |
> |
{ |
| 149 |
> |
IDF_FIELD *bfp = idf_getfield(param, SS_BASE_FLD); |
| 150 |
> |
ZONE *zptr; |
| 151 |
> |
LUENT *lep; |
| 152 |
> |
|
| 153 |
> |
if (bfp == NULL) { |
| 154 |
> |
fputs(progname, stderr); |
| 155 |
> |
fputs(": missing base field name in subsurface!\n", stderr); |
| 156 |
> |
return(NULL); |
| 157 |
> |
} |
| 158 |
> |
lep = lu_find(&zonesurf_lut, bfp->val); /* find base zone */ |
| 159 |
> |
if (lep == NULL || lep->data == NULL) { |
| 160 |
> |
fputs(progname, stderr); |
| 161 |
> |
fputs(": cannot find referenced base surface '", stderr); |
| 162 |
> |
fputs(bfp->val, stderr); |
| 163 |
> |
fputs("'\n", stderr); |
| 164 |
> |
return(NULL); |
| 165 |
> |
} |
| 166 |
> |
zptr = (ZONE *)lep->data; /* add this subsurface */ |
| 167 |
|
if (!idf_movobject(our_idf, param, zptr->plast)) |
| 168 |
|
return(NULL); |
| 169 |
< |
zptr->plast = param; |
| 100 |
< |
zptr->nsurf++; |
| 169 |
> |
zptr->ntotal++; |
| 170 |
|
return(zptr); |
| 171 |
|
} |
| 172 |
|
|
| 175 |
|
get_vlist(IDF_OBJECT *param, const char *zname) |
| 176 |
|
{ |
| 177 |
|
int i = 0; |
| 178 |
< |
IDF_FIELD *fptr; |
| 178 |
> |
/* check if subsurface */ |
| 179 |
> |
if (!strcmp(param->pname, SUBSURF_PNAME)) { |
| 180 |
> |
if (zname != NULL) { |
| 181 |
> |
LUENT *lep = lu_find(&zonesurf_lut, |
| 182 |
> |
idf_getfield(param,SS_BASE_FLD)->val); |
| 183 |
> |
if (strcmp((*(ZONE *)lep->data).zname, zname)) |
| 184 |
> |
return(NULL); |
| 185 |
> |
} |
| 186 |
> |
return(idf_getfield(param, SS_VERT_FLD)); |
| 187 |
> |
} |
| 188 |
|
/* check for surface type */ |
| 189 |
|
while (strcmp(surf_type[i].pname, param->pname)) |
| 190 |
|
if (surf_type[++i].pname == NULL) |
| 191 |
|
return(NULL); |
| 192 |
|
|
| 193 |
|
if (zname != NULL) { /* matches specified zone? */ |
| 194 |
< |
fptr = idf_getfield(param, surf_type[i].zone_fld); |
| 194 |
> |
IDF_FIELD *fptr = idf_getfield(param, surf_type[i].zone_fld); |
| 195 |
|
if (fptr == NULL || strcmp(fptr->val, zname)) |
| 196 |
|
return(NULL); |
| 197 |
|
} |
| 199 |
|
return(idf_getfield(param, surf_type[i].vert_fld)); |
| 200 |
|
} |
| 201 |
|
|
| 202 |
+ |
/* Get/allocate surface polygon */ |
| 203 |
+ |
static SURFACE * |
| 204 |
+ |
get_surface(IDF_FIELD *fptr) |
| 205 |
+ |
{ |
| 206 |
+ |
SURFACE *surf; |
| 207 |
+ |
int nv; |
| 208 |
+ |
FVECT e1, e2, vc; |
| 209 |
+ |
int i, j; |
| 210 |
+ |
/* get number of vertices */ |
| 211 |
+ |
if (fptr == NULL || (nv = atoi(fptr->val)) < 3) { |
| 212 |
+ |
fputs(progname, stderr); |
| 213 |
+ |
fputs(": bad vertex count for surface!\n", stderr); |
| 214 |
+ |
return(NULL); |
| 215 |
+ |
} |
| 216 |
+ |
surf = (SURFACE *)malloc(sizeof(SURFACE)+sizeof(FVECT)*(nv-3)); |
| 217 |
+ |
if (surf == NULL) |
| 218 |
+ |
return(NULL); |
| 219 |
+ |
surf->nv = nv; |
| 220 |
+ |
for (i = nv; i--; ) /* reverse vertex order/orientation */ |
| 221 |
+ |
for (j = 0; j < 3; j++) { |
| 222 |
+ |
fptr = fptr->next; |
| 223 |
+ |
if (fptr == NULL) { |
| 224 |
+ |
fputs(progname, stderr); |
| 225 |
+ |
fputs(": missing vertex in get_surface()\n", stderr); |
| 226 |
+ |
free(surf); |
| 227 |
+ |
return(NULL); |
| 228 |
+ |
} |
| 229 |
+ |
if ((surf->vl[i][j] = atof(fptr->val)) == 0 && |
| 230 |
+ |
!isflt(fptr->val)) { |
| 231 |
+ |
fputs(progname, stderr); |
| 232 |
+ |
fputs(": bad vertex in get_surface()\n", stderr); |
| 233 |
+ |
free(surf); |
| 234 |
+ |
return(NULL); |
| 235 |
+ |
} |
| 236 |
+ |
} |
| 237 |
+ |
/* compute area and normal */ |
| 238 |
+ |
surf->norm[0] = surf->norm[1] = surf->norm[2] = 0; |
| 239 |
+ |
VSUB(e1, surf->vl[1], surf->vl[0]); |
| 240 |
+ |
for (i = 2; i < nv; i++) { |
| 241 |
+ |
VSUB(e2, surf->vl[i], surf->vl[0]); |
| 242 |
+ |
fcross(vc, e1, e2); |
| 243 |
+ |
surf->norm[0] += vc[0]; |
| 244 |
+ |
surf->norm[1] += vc[1]; |
| 245 |
+ |
surf->norm[2] += vc[2]; |
| 246 |
+ |
VCOPY(e1, e2); |
| 247 |
+ |
} |
| 248 |
+ |
surf->area = .5 * normalize(surf->norm); |
| 249 |
+ |
if (surf->area == 0) { |
| 250 |
+ |
fputs(progname, stderr); |
| 251 |
+ |
fputs(": degenerate polygon in get_surface()\n", stderr); |
| 252 |
+ |
free(surf); |
| 253 |
+ |
return(NULL); |
| 254 |
+ |
} |
| 255 |
+ |
return(surf); |
| 256 |
+ |
} |
| 257 |
+ |
|
| 258 |
|
/* Convert surface to Radiance with modifier based on unique name */ |
| 259 |
|
static int |
| 260 |
|
rad_surface(IDF_OBJECT *param, FILE *ofp) |
| 261 |
|
{ |
| 262 |
|
const char *sname = idf_getfield(param,NAME_FLD)->val; |
| 263 |
|
IDF_FIELD *fptr = get_vlist(param, NULL); |
| 264 |
< |
int nvert, i; |
| 264 |
> |
const char **fargs; |
| 265 |
> |
int nvert, i, j; |
| 266 |
|
|
| 267 |
|
if (fptr == NULL || (nvert = atoi(fptr->val)) < 3) { |
| 268 |
|
fprintf(stderr, "%s: bad surface '%s'\n", progname, sname); |
| 269 |
|
return(0); |
| 270 |
|
} |
| 271 |
+ |
fargs = (const char **)malloc(sizeof(const char *)*3*nvert); |
| 272 |
+ |
if (fargs == NULL) |
| 273 |
+ |
return(0); |
| 274 |
|
fprintf(ofp, "\nvoid glow '%s'\n0\n0\n4 1 1 1 0\n", sname); |
| 275 |
|
fprintf(ofp, "\n'%s' polygon 's_%s'\n0\n0\n%d\n", sname, sname, 3*nvert); |
| 276 |
< |
while (nvert--) { |
| 277 |
< |
for (i = 3; i--; ) { |
| 276 |
> |
for (j = nvert; j--; ) { /* get arguments in reverse */ |
| 277 |
> |
for (i = 0; i < 3; i++) { |
| 278 |
|
fptr = fptr->next; |
| 279 |
|
if (fptr == NULL || !isflt(fptr->val)) { |
| 280 |
|
fprintf(stderr, |
| 282 |
|
progname, param->pname, sname); |
| 283 |
|
return(0); |
| 284 |
|
} |
| 285 |
+ |
fargs[3*j + i] = fptr->val; |
| 286 |
+ |
} |
| 287 |
+ |
} |
| 288 |
+ |
for (j = 0; j < nvert; j++) { /* output reversed verts */ |
| 289 |
+ |
for (i = 0; i < 3; i++) { |
| 290 |
|
fputc('\t', ofp); |
| 291 |
< |
fputs(fptr->val, ofp); |
| 291 |
> |
fputs(fargs[3*j + i], ofp); |
| 292 |
|
} |
| 293 |
|
fputc('\n', ofp); |
| 294 |
|
} |
| 295 |
+ |
free(fargs); |
| 296 |
|
return(!ferror(ofp)); |
| 297 |
|
} |
| 298 |
|
|
| 299 |
+ |
/* Convert subsurface to Radiance with modifier based on unique name */ |
| 300 |
+ |
static int |
| 301 |
+ |
rad_subsurface(IDF_OBJECT *param, FILE *ofp) |
| 302 |
+ |
{ |
| 303 |
+ |
const char *sname = idf_getfield(param,NAME_FLD)->val; |
| 304 |
+ |
SURFACE *surf = get_surface(idf_getfield(param,SS_VERT_FLD)); |
| 305 |
+ |
int i; |
| 306 |
+ |
|
| 307 |
+ |
if (surf == NULL) { |
| 308 |
+ |
fprintf(stderr, "%s: bad subsurface '%s'\n", progname, sname); |
| 309 |
+ |
return(0); |
| 310 |
+ |
} |
| 311 |
+ |
fprintf(ofp, "\nvoid glow '%s'\n0\n0\n4 1 1 1 0\n", sname); |
| 312 |
+ |
fprintf(ofp, "\n'%s' polygon 'ss_%s'\n0\n0\n%d\n", |
| 313 |
+ |
sname, sname, 3*surf->nv); |
| 314 |
+ |
for (i = 0; i < surf->nv; i++) { /* offset vertices */ |
| 315 |
+ |
FVECT vert; |
| 316 |
+ |
VSUM(vert, surf->vl[i], surf->norm, 2.*SURF_EPS); |
| 317 |
+ |
fprintf(ofp, "\t%.12f %.12f %.12f\n", vert[0], vert[1], vert[2]); |
| 318 |
+ |
} |
| 319 |
+ |
free(surf); |
| 320 |
+ |
return(!ferror(ofp)); |
| 321 |
+ |
} |
| 322 |
+ |
|
| 323 |
|
/* Start rcontrib process */ |
| 324 |
|
static int |
| 325 |
|
start_rcontrib(SUBPROC *pd, ZONE *zp) |
| 326 |
|
{ |
| 327 |
< |
#define BASE_AC 5 |
| 327 |
> |
#define BASE_AC 6 |
| 328 |
|
static char *base_av[BASE_AC] = { |
| 329 |
< |
"rcontrib", "-fff", "-h", "-x", "1" |
| 329 |
> |
"rcontrib", "-V+", "-fff", "-h", "-x", "1" |
| 330 |
|
}; |
| 331 |
|
char cbuf[300]; |
| 332 |
|
char **av; |
| 333 |
|
FILE *ofp; |
| 334 |
|
IDF_OBJECT *pptr; |
| 335 |
+ |
IDF_FIELD *fptr; |
| 336 |
|
int i, n; |
| 337 |
|
/* start oconv command */ |
| 338 |
|
sprintf(cbuf, "oconv - > '%s'", temp_octree); |
| 342 |
|
return(0); |
| 343 |
|
} |
| 344 |
|
/* allocate argument list */ |
| 345 |
< |
av = (char **)malloc(sizeof(char *)*(BASE_AC+4+2*zp->nsurf)); |
| 345 |
> |
av = (char **)malloc(sizeof(char *)*(BASE_AC+4+2*(zp->ntotal))); |
| 346 |
|
if (av == NULL) |
| 347 |
|
return(0); |
| 348 |
|
for (i = 0; i < BASE_AC; i++) |
| 349 |
|
av[i] = base_av[i]; |
| 350 |
|
sprintf(cbuf, "%d", nsamps); |
| 351 |
|
av[i++] = "-c"; |
| 352 |
< |
av[i++] = cbuf; /* add modifier arguments */ |
| 353 |
< |
for (n = zp->nsurf, pptr = zp->pfirst; n--; pptr = pptr->dnext) { |
| 354 |
< |
IDF_FIELD *fptr = idf_getfield(pptr,NAME_FLD); |
| 352 |
> |
av[i++] = cbuf; /* add modifiers & surfaces */ |
| 353 |
> |
for (n = 0, pptr = zp->pfirst; n < zp->nsurf; n++, pptr = pptr->dnext) { |
| 354 |
> |
fptr = idf_getfield(pptr,NAME_FLD); |
| 355 |
|
if (fptr == NULL || !fptr->val[0]) { |
| 356 |
|
fputs(progname, stderr); |
| 357 |
|
fputs(": missing name for surface object\n", stderr); |
| 362 |
|
av[i++] = "-m"; |
| 363 |
|
av[i++] = fptr->val; |
| 364 |
|
} |
| 365 |
+ |
/* now subsurfaces */ |
| 366 |
+ |
for ( ; n < zp->ntotal; n++, pptr = pptr->dnext) { |
| 367 |
+ |
fptr = idf_getfield(pptr,NAME_FLD); |
| 368 |
+ |
if (fptr == NULL || !fptr->val[0]) { |
| 369 |
+ |
fputs(progname, stderr); |
| 370 |
+ |
fputs(": missing name for subsurface object\n", stderr); |
| 371 |
+ |
return(0); |
| 372 |
+ |
} |
| 373 |
+ |
if (!rad_subsurface(pptr, ofp)) /* add surface to octree */ |
| 374 |
+ |
return(0); |
| 375 |
+ |
av[i++] = "-m"; |
| 376 |
+ |
av[i++] = fptr->val; |
| 377 |
+ |
} |
| 378 |
|
if (pclose(ofp) != 0) { /* finish oconv */ |
| 379 |
|
fputs(progname, stderr); |
| 380 |
|
fputs(": error running oconv process\n", stderr); |
| 394 |
|
|
| 395 |
|
/* Initialize polygon sampling */ |
| 396 |
|
static Vert2_list * |
| 397 |
< |
init_poly(POLYSAMP *ps, IDF_FIELD *f0, int nv) |
| 397 |
> |
init_poly(POLYSAMP *ps, IDF_FIELD *f0) |
| 398 |
|
{ |
| 399 |
< |
IDF_FIELD *fptr = f0; |
| 400 |
< |
int i, j; |
| 401 |
< |
FVECT *vl3, e1, e2, vc; |
| 402 |
< |
Vert2_list *vl2 = polyAlloc(nv); |
| 403 |
< |
|
| 399 |
> |
SURFACE *surf; |
| 400 |
> |
Vert2_list *vl2; |
| 401 |
> |
int i; |
| 402 |
> |
/* get 3-D polygon vertices */ |
| 403 |
> |
if ((surf = get_surface(f0)) == NULL) |
| 404 |
> |
return(NULL); |
| 405 |
> |
vl2 = polyAlloc(surf->nv); |
| 406 |
|
if (vl2 == NULL) |
| 407 |
|
return(NULL); |
| 224 |
– |
vl2->p = ps; |
| 225 |
– |
/* get 3-D vertices */ |
| 226 |
– |
vl3 = (FVECT *)malloc(sizeof(FVECT)*nv); |
| 227 |
– |
if (vl3 == NULL) |
| 228 |
– |
return(NULL); |
| 229 |
– |
for (i = nv; i--; ) /* reverse vertex ordering */ |
| 230 |
– |
for (j = 0; j < 3; j++) { |
| 231 |
– |
if (fptr == NULL) { |
| 232 |
– |
fputs(progname, stderr); |
| 233 |
– |
fputs(": missing vertex in init_poly()\n", stderr); |
| 234 |
– |
return(NULL); |
| 235 |
– |
} |
| 236 |
– |
vl3[i][j] = atof(fptr->val); |
| 237 |
– |
fptr = fptr->next; |
| 238 |
– |
} |
| 239 |
– |
/* compute area and normal */ |
| 240 |
– |
ps->sdir[2][0] = ps->sdir[2][1] = ps->sdir[2][2] = 0; |
| 241 |
– |
VSUB(e1, vl3[1], vl3[0]); |
| 242 |
– |
for (i = 2; i < nv; i++) { |
| 243 |
– |
VSUB(e2, vl3[i], vl3[0]); |
| 244 |
– |
fcross(vc, e1, e2); |
| 245 |
– |
ps->sdir[2][0] += vc[0]; |
| 246 |
– |
ps->sdir[2][1] += vc[1]; |
| 247 |
– |
ps->sdir[2][2] += vc[2]; |
| 248 |
– |
VCOPY(e1, e2); |
| 249 |
– |
} |
| 250 |
– |
ps->area_left = .5 * normalize(ps->sdir[2]); |
| 251 |
– |
if (ps->area_left == .0) { |
| 252 |
– |
fputs(progname, stderr); |
| 253 |
– |
fputs(": degenerate polygon in init_poly()\n", stderr); |
| 254 |
– |
return(0); |
| 255 |
– |
} |
| 408 |
|
/* create X & Y axes */ |
| 409 |
< |
VCOPY(ps->sdir[0], e1); |
| 410 |
< |
normalize(ps->sdir[0]); |
| 409 |
> |
VCOPY(ps->sdir[2], surf->norm); |
| 410 |
> |
VSUB(ps->sdir[0], surf->vl[1], surf->vl[0]); |
| 411 |
> |
if (normalize(ps->sdir[0]) == 0) |
| 412 |
> |
return(NULL); |
| 413 |
|
fcross(ps->sdir[1], ps->sdir[2], ps->sdir[0]); |
| 414 |
|
/* compute plane offset */ |
| 415 |
< |
ps->poff = DOT(vl3[0], ps->sdir[2]); |
| 415 |
> |
ps->poff = DOT(surf->vl[0], ps->sdir[2]); |
| 416 |
|
/* assign 2-D vertices */ |
| 417 |
< |
for (i = 0; i < nv; i++) { |
| 418 |
< |
vl2->v[i].mX = DOT(vl3[i], ps->sdir[0]); |
| 419 |
< |
vl2->v[i].mY = DOT(vl3[i], ps->sdir[1]); |
| 417 |
> |
for (i = 0; i < surf->nv; i++) { |
| 418 |
> |
vl2->v[i].mX = DOT(surf->vl[i], ps->sdir[0]); |
| 419 |
> |
vl2->v[i].mY = DOT(surf->vl[i], ps->sdir[1]); |
| 420 |
|
} |
| 421 |
< |
free(vl3); /* it's ready! */ |
| 421 |
> |
ps->area_left = surf->area; |
| 422 |
> |
free(surf); /* it's ready! */ |
| 423 |
> |
vl2->p = (void *)ps; |
| 424 |
|
return(vl2); |
| 425 |
|
} |
| 426 |
|
|
| 438 |
|
for (i = 3; i--; ) { |
| 439 |
|
orig[i] = vl2->v[a].mX*ps->sdir[0][i] + |
| 440 |
|
vl2->v[a].mY*ps->sdir[1][i] + |
| 441 |
< |
(ps->poff+.001)*ps->sdir[2][i]; |
| 441 |
> |
(ps->poff+SURF_EPS)*ps->sdir[2][i]; |
| 442 |
|
ab[i] = (vl2->v[b].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
| 443 |
|
(vl2->v[b].mY - vl2->v[a].mY)*ps->sdir[1][i]; |
| 444 |
|
ac[i] = (vl2->v[c].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
| 495 |
|
static int |
| 496 |
|
sample_surface(IDF_OBJECT *param, int wd) |
| 497 |
|
{ |
| 342 |
– |
IDF_FIELD *fptr = get_vlist(param, NULL); |
| 498 |
|
POLYSAMP psamp; |
| 499 |
|
int nv; |
| 500 |
|
Vert2_list *vlist2; |
| 501 |
|
/* set up our polygon sampler */ |
| 502 |
< |
if (fptr == NULL || (nv = atoi(fptr->val)) < 3 || |
| 348 |
< |
(vlist2 = init_poly(&psamp, fptr->next, nv)) == NULL) { |
| 502 |
> |
if ((vlist2 = init_poly(&psamp, get_vlist(param, NULL))) == NULL) { |
| 503 |
|
fprintf(stderr, "%s: bad polygon %s '%s'\n", |
| 504 |
|
progname, param->pname, |
| 505 |
|
idf_getfield(param,NAME_FLD)->val); |
| 507 |
|
} |
| 508 |
|
psamp.samp_left = nsamps; /* assign samples & destination */ |
| 509 |
|
psamp.wd = wd; |
| 510 |
+ |
/* hack for subsurface sampling */ |
| 511 |
+ |
psamp.poff += 2.*SURF_EPS * !strcmp(param->pname, SUBSURF_PNAME); |
| 512 |
|
/* sample each subtriangle */ |
| 513 |
|
if (!polyTriangulate(vlist2, &sample_triangle)) |
| 514 |
|
return(0); |
| 526 |
|
int n, m; |
| 527 |
|
/* create output object */ |
| 528 |
|
pout = idf_newobject(our_idf, UVF_PNAME, |
| 529 |
< |
" ! computed by Radiance\n ", zp->plast); |
| 529 |
> |
" ! computed by Radiance\n ", our_idf->plast); |
| 530 |
|
if (pout == NULL) { |
| 531 |
|
fputs(progname, stderr); |
| 532 |
|
fputs(": cannot create new IDF object\n", stderr); |
| 539 |
|
return(0); |
| 540 |
|
} |
| 541 |
|
/* allocate read buffer */ |
| 542 |
< |
uvfa = (float *)malloc(sizeof(float)*3*zp->nsurf); |
| 542 |
> |
uvfa = (float *)malloc(sizeof(float)*3*zp->ntotal); |
| 543 |
|
if (uvfa == NULL) |
| 544 |
|
return(0); |
| 545 |
|
/* UVFs from each surface */ |
| 546 |
< |
for (n = zp->nsurf, pptr = zp->pfirst; n--; pptr = pptr->dnext) { |
| 546 |
> |
for (n = 0, pptr = zp->pfirst; n < zp->ntotal; n++, pptr = pptr->dnext) { |
| 547 |
|
double vfsum = 0; |
| 548 |
|
/* send samples to rcontrib */ |
| 549 |
|
if (!sample_surface(pptr, pd->w)) |
| 550 |
|
return(0); |
| 551 |
|
/* read results */ |
| 552 |
< |
if (readbuf(pd->r, (char *)uvfa, sizeof(float)*3*zp->nsurf) != |
| 553 |
< |
sizeof(float)*3*zp->nsurf) { |
| 552 |
> |
if (readbuf(pd->r, (char *)uvfa, sizeof(float)*3*zp->ntotal) != |
| 553 |
> |
sizeof(float)*3*zp->ntotal) { |
| 554 |
|
fputs(progname, stderr); |
| 555 |
|
fputs(": read error from rcontrib process\n", stderr); |
| 556 |
|
return(0); |
| 557 |
|
} |
| 558 |
|
/* append UVF fields */ |
| 559 |
|
for (m = 0, pptr1 = zp->pfirst; |
| 560 |
< |
m < zp->nsurf; m++, pptr1 = pptr1->dnext) { |
| 560 |
> |
m < zp->ntotal; m++, pptr1 = pptr1->dnext) { |
| 561 |
|
vfsum += uvfa[3*m + 1]; |
| 562 |
< |
if (pptr1 == pptr) { |
| 563 |
< |
if (uvfa[3*m + 1] > .001) |
| 408 |
< |
fprintf(stderr, |
| 562 |
> |
if (pptr1 == pptr && uvfa[3*m + 1] > .001) |
| 563 |
> |
fprintf(stderr, |
| 564 |
|
"%s: warning - non-zero self-VF (%.1f%%) for surface '%s'\n", |
| 565 |
|
progname, 100.*uvfa[3*m + 1], |
| 566 |
|
idf_getfield(pptr,NAME_FLD)->val); |
| 412 |
– |
continue; /* don't record self-factor */ |
| 413 |
– |
} |
| 567 |
|
sprintf(uvfbuf, "%.4f", uvfa[3*m + 1]); |
| 568 |
|
if (!idf_addfield(pout, |
| 569 |
|
idf_getfield(pptr,NAME_FLD)->val, NULL) || |
| 570 |
|
!idf_addfield(pout, |
| 571 |
|
idf_getfield(pptr1,NAME_FLD)->val, NULL) || |
| 572 |
|
!idf_addfield(pout, uvfbuf, |
| 573 |
< |
(n || m < zp->nsurf-2) ? |
| 574 |
< |
"\n " : "\n\n")) { |
| 573 |
> |
(n+m < 2*zp->ntotal-2) ? |
| 574 |
> |
"\n " : "\n\n")) { |
| 575 |
|
fputs(progname, stderr); |
| 576 |
|
fputs(": error adding UVF fields\n", stderr); |
| 577 |
|
return(0); |
| 682 |
|
if (add2zone(pptr, fptr->val) == NULL) |
| 683 |
|
return(1); |
| 684 |
|
} |
| 685 |
+ |
/* add subsurfaces */ |
| 686 |
+ |
for (pptr = idf_getobject(our_idf, SUBSURF_PNAME); |
| 687 |
+ |
pptr != NULL; pptr = pptr->pnext) |
| 688 |
+ |
if (add_subsurf(pptr) == NULL) |
| 689 |
+ |
return(1); |
| 690 |
|
/* run rcontrib on each zone */ |
| 691 |
|
if (!compute_zones()) |
| 692 |
|
return(1); |