16 |
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#include "rtprocess.h" |
17 |
|
|
18 |
|
#ifndef NSAMPLES |
19 |
< |
#define NSAMPLES 10000 /* number of samples to use */ |
19 |
> |
#define NSAMPLES 80000 /* default number of samples */ |
20 |
|
#endif |
21 |
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|
22 |
+ |
#define SURF_EPS 0.0005 /* surface testing epsilon */ |
23 |
+ |
|
24 |
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char *progname; /* global argv[0] */ |
25 |
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|
26 |
+ |
int nsamps = NSAMPLES; /* number of samples to use */ |
27 |
+ |
|
28 |
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char temp_octree[128]; /* temporary octree */ |
29 |
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|
30 |
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const char UVF_PNAME[] = |
31 |
< |
"ZoneProperty:UserViewFactor:bySurfaceName"; |
31 |
> |
"ZoneProperty:UserViewFactors:bySurfaceName"; |
32 |
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|
33 |
+ |
const char SUBSURF_PNAME[] = |
34 |
+ |
"FenestrationSurface:Detailed"; |
35 |
+ |
|
36 |
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const char ADD_HEADER[] = |
37 |
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"\n!+++ User View Factors computed by Radiance +++!\n\n"; |
38 |
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|
39 |
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#define NAME_FLD 1 /* name field always first? */ |
40 |
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|
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; /* parameter type name */ |
45 |
> |
const char *pname; /* object type name */ |
46 |
|
short zone_fld; /* zone field index */ |
47 |
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short vert_fld; /* vertex field index */ |
48 |
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} SURF_PTYPE; /* surface type we're interested in */ |
53 |
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{"RoofCeiling:Detailed", 3, 9}, |
54 |
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{"Wall:Detailed", 3, 9}, |
55 |
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{NULL} |
56 |
< |
}; |
56 |
> |
}; /* IDF surface types */ |
57 |
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|
58 |
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typedef struct s_zone { |
59 |
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const char *zname; /* zone name */ |
60 |
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struct s_zone *next; /* next zone in list */ |
61 |
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int nsurf; /* surface count */ |
62 |
< |
IDF_PARAMETER *pfirst; /* first matching parameter */ |
63 |
< |
IDF_PARAMETER *plast; /* last matching parameter */ |
62 |
> |
int ntotal; /* surfaces+subsurfaces */ |
63 |
> |
IDF_OBJECT *pfirst; /* first matching object */ |
64 |
> |
IDF_OBJECT *plast; /* last before subsurfaces */ |
65 |
> |
float *area_redu; /* subsurface area per surf. */ |
66 |
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} ZONE; /* a list of collected zone surfaces */ |
67 |
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|
68 |
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ZONE *zone_list = NULL; /* our list of zones */ |
69 |
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|
70 |
+ |
LUTAB zonesurf_lut = /* zone surface lookup table */ |
71 |
+ |
LU_SINIT(NULL,NULL); |
72 |
+ |
|
73 |
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IDF_LOADED *our_idf = NULL; /* loaded/modified IDF */ |
74 |
|
|
75 |
+ |
typedef struct { |
76 |
+ |
FVECT norm; /* surface normal */ |
77 |
+ |
double area; /* surface area */ |
78 |
+ |
int nv; /* number of vertices */ |
79 |
+ |
FVECT vl[3]; /* vertex list (extends struct) */ |
80 |
+ |
} SURFACE; /* a polygonal surface */ |
81 |
+ |
|
82 |
+ |
typedef struct { |
83 |
+ |
FVECT sdir[3]; /* UVW unit sampling vectors */ |
84 |
+ |
double poff; /* W-offset for plane of polygon */ |
85 |
+ |
double area_left; /* area left to sample */ |
86 |
+ |
int samp_left; /* remaining samples */ |
87 |
+ |
int wd; /* output file descriptor */ |
88 |
+ |
} POLYSAMP; /* structure for polygon sampling */ |
89 |
+ |
|
90 |
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/* Create a new zone and push to top of our list */ |
91 |
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static ZONE * |
92 |
< |
new_zone(const char *zname, IDF_PARAMETER *param) |
92 |
> |
new_zone(const char *zname, IDF_OBJECT *param) |
93 |
|
{ |
94 |
|
ZONE *znew = (ZONE *)malloc(sizeof(ZONE)); |
95 |
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|
98 |
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znew->zname = zname; /* assumes static */ |
99 |
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znew->next = zone_list; |
100 |
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znew->pfirst = znew->plast = param; |
101 |
< |
znew->nsurf = 1; |
101 |
> |
znew->ntotal = znew->nsurf = 1; |
102 |
> |
znew->area_redu = NULL; |
103 |
|
return(zone_list = znew); |
104 |
|
} |
105 |
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|
106 |
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/* Add the detailed surface (polygon) to the named zone */ |
107 |
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static ZONE * |
108 |
< |
add2zone(IDF_PARAMETER *param, const char *zname) |
108 |
> |
add2zone(IDF_OBJECT *param, const char *zname) |
109 |
|
{ |
110 |
< |
ZONE *zptr; |
110 |
> |
IDF_FIELD *nfp = idf_getfield(param, NAME_FLD); |
111 |
> |
ZONE *zptr; |
112 |
> |
LUENT *lep; |
113 |
|
|
114 |
+ |
if (nfp == NULL) { |
115 |
+ |
fputs(progname, stderr); |
116 |
+ |
fputs(": surface missing name field!\n", stderr); |
117 |
+ |
return(NULL); |
118 |
+ |
} |
119 |
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for (zptr = zone_list; zptr != NULL; zptr = zptr->next) |
120 |
|
if (!strcmp(zptr->zname, zname)) |
121 |
|
break; |
122 |
< |
if (zptr == NULL) |
123 |
< |
return(new_zone(zname, param)); |
124 |
< |
/* keep surfaces together */ |
125 |
< |
if (!idf_movparam(our_idf, param, zptr->plast)) |
122 |
> |
if (zptr == NULL) { |
123 |
> |
zptr = new_zone(zname, param); |
124 |
> |
} else { /* keep surfaces together */ |
125 |
> |
if (!idf_movobject(our_idf, param, zptr->plast)) |
126 |
> |
return(NULL); |
127 |
> |
zptr->plast = param; |
128 |
> |
zptr->nsurf++; |
129 |
> |
zptr->ntotal++; |
130 |
> |
} |
131 |
> |
/* add to lookup table */ |
132 |
> |
lep = lu_find(&zonesurf_lut, nfp->val); |
133 |
> |
if (lep == NULL) |
134 |
|
return(NULL); |
135 |
< |
zptr->plast = param; |
136 |
< |
zptr->nsurf++; |
135 |
> |
if (lep->data != NULL) { |
136 |
> |
fputs(progname, stderr); |
137 |
> |
fputs(": duplicate surface name '", stderr); |
138 |
> |
fputs(nfp->val, stderr); |
139 |
> |
fputs("'\n", stderr); |
140 |
> |
return(NULL); |
141 |
> |
} |
142 |
> |
lep->key = nfp->val; |
143 |
> |
lep->data = (char *)zptr; |
144 |
|
return(zptr); |
145 |
|
} |
146 |
|
|
147 |
< |
/* Return field for vertices in the given parameter */ |
147 |
> |
/* Add a subsurface by finding its base surface and the corresponding zone */ |
148 |
> |
static ZONE * |
149 |
> |
add_subsurf(IDF_OBJECT *param) |
150 |
> |
{ |
151 |
> |
IDF_FIELD *bfp = idf_getfield(param, SS_BASE_FLD); |
152 |
> |
ZONE *zptr; |
153 |
> |
LUENT *lep; |
154 |
> |
|
155 |
> |
if (bfp == NULL) { |
156 |
> |
fputs(progname, stderr); |
157 |
> |
fputs(": missing base field name in subsurface!\n", stderr); |
158 |
> |
return(NULL); |
159 |
> |
} |
160 |
> |
lep = lu_find(&zonesurf_lut, bfp->val); /* find base zone */ |
161 |
> |
if (lep == NULL || lep->data == NULL) { |
162 |
> |
fputs(progname, stderr); |
163 |
> |
fputs(": cannot find referenced base surface '", stderr); |
164 |
> |
fputs(bfp->val, stderr); |
165 |
> |
fputs("'\n", stderr); |
166 |
> |
return(NULL); |
167 |
> |
} |
168 |
> |
zptr = (ZONE *)lep->data; /* add this subsurface */ |
169 |
> |
if (!idf_movobject(our_idf, param, zptr->plast)) |
170 |
> |
return(NULL); |
171 |
> |
zptr->ntotal++; |
172 |
> |
return(zptr); |
173 |
> |
} |
174 |
> |
|
175 |
> |
/* Return field for vertices in the given object */ |
176 |
|
static IDF_FIELD * |
177 |
< |
get_vlist(IDF_PARAMETER *param, const char *zname) |
177 |
> |
get_vlist(IDF_OBJECT *param, const char *zname) |
178 |
|
{ |
179 |
|
int i = 0; |
180 |
< |
IDF_FIELD *fptr; |
180 |
> |
/* check if subsurface */ |
181 |
> |
if (!strcmp(param->pname, SUBSURF_PNAME)) { |
182 |
> |
if (zname != NULL) { |
183 |
> |
LUENT *lep = lu_find(&zonesurf_lut, |
184 |
> |
idf_getfield(param,SS_BASE_FLD)->val); |
185 |
> |
if (strcmp((*(ZONE *)lep->data).zname, zname)) |
186 |
> |
return(NULL); |
187 |
> |
} |
188 |
> |
return(idf_getfield(param, SS_VERT_FLD)); |
189 |
> |
} |
190 |
|
/* check for surface type */ |
191 |
|
while (strcmp(surf_type[i].pname, param->pname)) |
192 |
|
if (surf_type[++i].pname == NULL) |
193 |
|
return(NULL); |
194 |
|
|
195 |
|
if (zname != NULL) { /* matches specified zone? */ |
196 |
< |
fptr = idf_getfield(param, surf_type[i].zone_fld); |
196 |
> |
IDF_FIELD *fptr = idf_getfield(param, surf_type[i].zone_fld); |
197 |
|
if (fptr == NULL || strcmp(fptr->val, zname)) |
198 |
|
return(NULL); |
199 |
|
} |
201 |
|
return(idf_getfield(param, surf_type[i].vert_fld)); |
202 |
|
} |
203 |
|
|
204 |
+ |
/* Get/allocate surface polygon */ |
205 |
+ |
static SURFACE * |
206 |
+ |
get_surface(IDF_FIELD *fptr) |
207 |
+ |
{ |
208 |
+ |
SURFACE *surf; |
209 |
+ |
int nv; |
210 |
+ |
FVECT e1, e2, vc; |
211 |
+ |
int i, j; |
212 |
+ |
/* get number of vertices */ |
213 |
+ |
if (fptr == NULL || (nv = atoi(fptr->val)) < 3) { |
214 |
+ |
fputs(progname, stderr); |
215 |
+ |
fputs(": bad vertex count for surface!\n", stderr); |
216 |
+ |
return(NULL); |
217 |
+ |
} |
218 |
+ |
surf = (SURFACE *)malloc(sizeof(SURFACE)+sizeof(FVECT)*(nv-3)); |
219 |
+ |
if (surf == NULL) |
220 |
+ |
return(NULL); |
221 |
+ |
surf->nv = nv; |
222 |
+ |
for (i = nv; i--; ) /* reverse vertex order/orientation */ |
223 |
+ |
for (j = 0; j < 3; j++) { |
224 |
+ |
fptr = fptr->next; |
225 |
+ |
if (fptr == NULL) { |
226 |
+ |
fputs(progname, stderr); |
227 |
+ |
fputs(": missing vertex in get_surface()\n", stderr); |
228 |
+ |
free(surf); |
229 |
+ |
return(NULL); |
230 |
+ |
} |
231 |
+ |
if ((surf->vl[i][j] = atof(fptr->val)) == 0 && |
232 |
+ |
!isflt(fptr->val)) { |
233 |
+ |
fputs(progname, stderr); |
234 |
+ |
fputs(": bad vertex in get_surface()\n", stderr); |
235 |
+ |
free(surf); |
236 |
+ |
return(NULL); |
237 |
+ |
} |
238 |
+ |
} |
239 |
+ |
/* compute area and normal */ |
240 |
+ |
surf->norm[0] = surf->norm[1] = surf->norm[2] = 0; |
241 |
+ |
VSUB(e1, surf->vl[1], surf->vl[0]); |
242 |
+ |
for (i = 2; i < nv; i++) { |
243 |
+ |
VSUB(e2, surf->vl[i], surf->vl[0]); |
244 |
+ |
fcross(vc, e1, e2); |
245 |
+ |
surf->norm[0] += vc[0]; |
246 |
+ |
surf->norm[1] += vc[1]; |
247 |
+ |
surf->norm[2] += vc[2]; |
248 |
+ |
VCOPY(e1, e2); |
249 |
+ |
} |
250 |
+ |
surf->area = .5 * normalize(surf->norm); |
251 |
+ |
if (surf->area == 0) { |
252 |
+ |
fputs(progname, stderr); |
253 |
+ |
fputs(": degenerate polygon in get_surface()\n", stderr); |
254 |
+ |
free(surf); |
255 |
+ |
return(NULL); |
256 |
+ |
} |
257 |
+ |
return(surf); |
258 |
+ |
} |
259 |
+ |
|
260 |
|
/* Convert surface to Radiance with modifier based on unique name */ |
261 |
|
static int |
262 |
< |
rad_surface(IDF_PARAMETER *param, FILE *ofp) |
262 |
> |
rad_surface(IDF_OBJECT *param, FILE *ofp) |
263 |
|
{ |
264 |
|
const char *sname = idf_getfield(param,NAME_FLD)->val; |
265 |
|
IDF_FIELD *fptr = get_vlist(param, NULL); |
266 |
< |
int nvert, i; |
266 |
> |
const char **fargs; |
267 |
> |
int nvert, i, j; |
268 |
|
|
269 |
|
if (fptr == NULL || (nvert = atoi(fptr->val)) < 3) { |
270 |
|
fprintf(stderr, "%s: bad surface '%s'\n", progname, sname); |
271 |
|
return(0); |
272 |
|
} |
273 |
+ |
fargs = (const char **)malloc(sizeof(const char *)*3*nvert); |
274 |
+ |
if (fargs == NULL) |
275 |
+ |
return(0); |
276 |
|
fprintf(ofp, "\nvoid glow '%s'\n0\n0\n4 1 1 1 0\n", sname); |
277 |
|
fprintf(ofp, "\n'%s' polygon 's_%s'\n0\n0\n%d\n", sname, sname, 3*nvert); |
278 |
< |
while (nvert--) { |
279 |
< |
for (i = 3; i--; ) { |
278 |
> |
for (j = nvert; j--; ) { /* get arguments in reverse */ |
279 |
> |
for (i = 0; i < 3; i++) { |
280 |
|
fptr = fptr->next; |
281 |
|
if (fptr == NULL || !isflt(fptr->val)) { |
282 |
|
fprintf(stderr, |
284 |
|
progname, param->pname, sname); |
285 |
|
return(0); |
286 |
|
} |
287 |
+ |
fargs[3*j + i] = fptr->val; |
288 |
+ |
} |
289 |
+ |
} |
290 |
+ |
for (j = 0; j < nvert; j++) { /* output reversed verts */ |
291 |
+ |
for (i = 0; i < 3; i++) { |
292 |
|
fputc('\t', ofp); |
293 |
< |
fputs(fptr->val, ofp); |
293 |
> |
fputs(fargs[3*j + i], ofp); |
294 |
|
} |
295 |
|
fputc('\n', ofp); |
296 |
|
} |
297 |
+ |
free(fargs); |
298 |
|
return(!ferror(ofp)); |
299 |
|
} |
300 |
|
|
301 |
+ |
/* Convert subsurface to Radiance with modifier based on unique name */ |
302 |
+ |
static double |
303 |
+ |
rad_subsurface(IDF_OBJECT *param, FILE *ofp) |
304 |
+ |
{ |
305 |
+ |
const char *sname = idf_getfield(param,NAME_FLD)->val; |
306 |
+ |
SURFACE *surf = get_surface(idf_getfield(param,SS_VERT_FLD)); |
307 |
+ |
double area; |
308 |
+ |
int i; |
309 |
+ |
|
310 |
+ |
if (surf == NULL) { |
311 |
+ |
fprintf(stderr, "%s: bad subsurface '%s'\n", progname, sname); |
312 |
+ |
return(-1.); |
313 |
+ |
} |
314 |
+ |
fprintf(ofp, "\nvoid glow '%s'\n0\n0\n4 1 1 1 0\n", sname); |
315 |
+ |
fprintf(ofp, "\n'%s' polygon 'ss_%s'\n0\n0\n%d\n", |
316 |
+ |
sname, sname, 3*surf->nv); |
317 |
+ |
for (i = 0; i < surf->nv; i++) { /* offset vertices */ |
318 |
+ |
FVECT vert; |
319 |
+ |
VSUM(vert, surf->vl[i], surf->norm, 2.*SURF_EPS); |
320 |
+ |
fprintf(ofp, "\t%.12f %.12f %.12f\n", vert[0], vert[1], vert[2]); |
321 |
+ |
} |
322 |
+ |
area = surf->area; |
323 |
+ |
free(surf); |
324 |
+ |
if (ferror(ofp)) |
325 |
+ |
return(-1.); |
326 |
+ |
return(area); |
327 |
+ |
} |
328 |
+ |
|
329 |
|
/* Start rcontrib process */ |
330 |
|
static int |
331 |
|
start_rcontrib(SUBPROC *pd, ZONE *zp) |
332 |
|
{ |
333 |
< |
#define BASE_AC 5 |
333 |
> |
#define BASE_AC 6 |
334 |
|
static char *base_av[BASE_AC] = { |
335 |
< |
"rcontrib", "-ff", "-h", "-x", "1" |
335 |
> |
"rcontrib", "-V+", "-fff", "-h", "-x", "1" |
336 |
|
}; |
337 |
|
char cbuf[300]; |
338 |
|
char **av; |
339 |
|
FILE *ofp; |
340 |
< |
IDF_PARAMETER *pptr; |
341 |
< |
int i, n; |
340 |
> |
IDF_OBJECT *pptr; |
341 |
> |
IDF_FIELD *fptr; |
342 |
> |
int i, j, n; |
343 |
|
/* start oconv command */ |
344 |
|
sprintf(cbuf, "oconv - > '%s'", temp_octree); |
345 |
|
if ((ofp = popen(cbuf, "w")) == NULL) { |
348 |
|
return(0); |
349 |
|
} |
350 |
|
/* allocate argument list */ |
351 |
< |
av = (char **)malloc(sizeof(char *)*(BASE_AC+4+2*zp->nsurf)); |
351 |
> |
av = (char **)malloc(sizeof(char *)*(BASE_AC+4+2*(zp->ntotal))); |
352 |
|
if (av == NULL) |
353 |
|
return(0); |
354 |
|
for (i = 0; i < BASE_AC; i++) |
355 |
|
av[i] = base_av[i]; |
356 |
< |
sprintf(cbuf, "%d", NSAMPLES); |
356 |
> |
sprintf(cbuf, "%d", nsamps); |
357 |
|
av[i++] = "-c"; |
358 |
< |
av[i++] = cbuf; /* add modifier arguments */ |
359 |
< |
for (n = zp->nsurf, pptr = zp->pfirst; n--; pptr = pptr->dnext) { |
360 |
< |
IDF_FIELD *fptr = idf_getfield(pptr,NAME_FLD); |
358 |
> |
av[i++] = cbuf; /* add modifiers & surfaces */ |
359 |
> |
for (n = 0, pptr = zp->pfirst; n < zp->nsurf; n++, pptr = pptr->dnext) { |
360 |
> |
fptr = idf_getfield(pptr,NAME_FLD); |
361 |
|
if (fptr == NULL || !fptr->val[0]) { |
362 |
|
fputs(progname, stderr); |
363 |
< |
fputs(": missing name for surface parameter\n", stderr); |
363 |
> |
fputs(": missing name for surface object\n", stderr); |
364 |
|
return(0); |
365 |
|
} |
366 |
|
if (!rad_surface(pptr, ofp)) /* add surface to octree */ |
368 |
|
av[i++] = "-m"; |
369 |
|
av[i++] = fptr->val; |
370 |
|
} |
371 |
+ |
/* now subsurfaces */ |
372 |
+ |
if (zp->ntotal > zp->nsurf) { |
373 |
+ |
if (zp->area_redu != NULL) |
374 |
+ |
memset(zp->area_redu, 0, sizeof(float)*zp->nsurf); |
375 |
+ |
else if ((zp->area_redu = (float *)calloc(zp->nsurf, |
376 |
+ |
sizeof(float))) == NULL) |
377 |
+ |
return(0); |
378 |
+ |
} |
379 |
+ |
for ( ; n < zp->ntotal; n++, pptr = pptr->dnext) { |
380 |
+ |
double ssarea; |
381 |
+ |
const char *bname; |
382 |
+ |
IDF_OBJECT *pptr1; |
383 |
+ |
fptr = idf_getfield(pptr,NAME_FLD); |
384 |
+ |
if (fptr == NULL || !fptr->val[0]) { |
385 |
+ |
fputs(progname, stderr); |
386 |
+ |
fputs(": missing name for subsurface object\n", stderr); |
387 |
+ |
return(0); |
388 |
+ |
} |
389 |
+ |
/* add subsurface to octree */ |
390 |
+ |
if ((ssarea = rad_subsurface(pptr, ofp)) < 0) |
391 |
+ |
return(0); |
392 |
+ |
/* mark area for subtraction */ |
393 |
+ |
bname = idf_getfield(pptr,SS_BASE_FLD)->val; |
394 |
+ |
for (j = 0, pptr1 = zp->pfirst; |
395 |
+ |
j < zp->nsurf; j++, pptr1 = pptr1->dnext) |
396 |
+ |
if (!strcmp(idf_getfield(pptr1,NAME_FLD)->val, bname)) { |
397 |
+ |
zp->area_redu[j] += ssarea; |
398 |
+ |
break; |
399 |
+ |
} |
400 |
+ |
av[i++] = "-m"; |
401 |
+ |
av[i++] = fptr->val; |
402 |
+ |
} |
403 |
|
if (pclose(ofp) != 0) { /* finish oconv */ |
404 |
|
fputs(progname, stderr); |
405 |
|
fputs(": error running oconv process\n", stderr); |
407 |
|
} |
408 |
|
av[i++] = temp_octree; /* add final octree argument */ |
409 |
|
av[i] = NULL; |
410 |
< |
if (!open_process(pd, av)) { /* start process */ |
410 |
> |
if (open_process(pd, av) <= 0) { /* start process */ |
411 |
|
fputs(progname, stderr); |
412 |
|
fputs(": cannot start rcontrib process\n", stderr); |
413 |
|
return(0); |
417 |
|
#undef BASE_AC |
418 |
|
} |
419 |
|
|
203 |
– |
typedef struct { |
204 |
– |
FVECT sdir[3]; /* XYZ unit sampling vectors */ |
205 |
– |
double poff; /* Z-offset for plane of polygon */ |
206 |
– |
double area_left; /* area left to sample */ |
207 |
– |
int samp_left; /* remaining samples */ |
208 |
– |
int wd; /* output file descriptor */ |
209 |
– |
} POLYSAMP; /* structure for polygon sampling */ |
210 |
– |
|
420 |
|
/* Initialize polygon sampling */ |
421 |
|
static Vert2_list * |
422 |
< |
init_poly(POLYSAMP *ps, IDF_FIELD *f0, int nv) |
422 |
> |
init_poly(POLYSAMP *ps, IDF_FIELD *f0) |
423 |
|
{ |
424 |
< |
IDF_FIELD *fptr = f0; |
425 |
< |
int i, j; |
426 |
< |
FVECT *vl3, e1, e2, vc; |
427 |
< |
Vert2_list *vl2 = polyAlloc(nv); |
428 |
< |
|
424 |
> |
SURFACE *surf; |
425 |
> |
Vert2_list *vl2; |
426 |
> |
int i; |
427 |
> |
/* get 3-D polygon vertices */ |
428 |
> |
if ((surf = get_surface(f0)) == NULL) |
429 |
> |
return(NULL); |
430 |
> |
vl2 = polyAlloc(surf->nv); |
431 |
|
if (vl2 == NULL) |
432 |
|
return(NULL); |
222 |
– |
vl2->p = ps; |
223 |
– |
/* get 3-D vertices */ |
224 |
– |
vl3 = (FVECT *)malloc(sizeof(FVECT)*nv); |
225 |
– |
if (vl3 == NULL) |
226 |
– |
return(NULL); |
227 |
– |
for (i = nv; i--; ) /* reverse vertex ordering */ |
228 |
– |
for (j = 0; j < 3; j++) { |
229 |
– |
if (fptr == NULL) { |
230 |
– |
fputs(progname, stderr); |
231 |
– |
fputs(": missing vertex in init_poly()\n", stderr); |
232 |
– |
return(NULL); |
233 |
– |
} |
234 |
– |
vl3[i][j] = atof(fptr->val); |
235 |
– |
fptr = fptr->next; |
236 |
– |
} |
237 |
– |
/* compute area and normal */ |
238 |
– |
ps->sdir[2][0] = ps->sdir[2][1] = ps->sdir[2][2] = 0; |
239 |
– |
VSUB(e1, vl3[1], vl3[0]); |
240 |
– |
for (i = 2; i < nv; i++) { |
241 |
– |
VSUB(e2, vl3[i], vl3[0]); |
242 |
– |
fcross(vc, e1, e2); |
243 |
– |
ps->sdir[2][0] += vc[0]; |
244 |
– |
ps->sdir[2][1] += vc[1]; |
245 |
– |
ps->sdir[2][2] += vc[2]; |
246 |
– |
VCOPY(e1, e2); |
247 |
– |
} |
248 |
– |
ps->area_left = .5 * normalize(ps->sdir[2]); |
249 |
– |
if (ps->area_left == .0) { |
250 |
– |
fputs(progname, stderr); |
251 |
– |
fputs(": degenerate polygon in init_poly()\n", stderr); |
252 |
– |
return(0); |
253 |
– |
} |
433 |
|
/* create X & Y axes */ |
434 |
< |
VCOPY(ps->sdir[0], e1); |
435 |
< |
normalize(ps->sdir[0]); |
434 |
> |
VCOPY(ps->sdir[2], surf->norm); |
435 |
> |
VSUB(ps->sdir[0], surf->vl[1], surf->vl[0]); |
436 |
> |
if (normalize(ps->sdir[0]) == 0) |
437 |
> |
return(NULL); |
438 |
|
fcross(ps->sdir[1], ps->sdir[2], ps->sdir[0]); |
439 |
|
/* compute plane offset */ |
440 |
< |
ps->poff = DOT(vl3[0], ps->sdir[2]); |
440 |
> |
ps->poff = DOT(surf->vl[0], ps->sdir[2]); |
441 |
|
/* assign 2-D vertices */ |
442 |
< |
for (i = 0; i < nv; i++) { |
443 |
< |
vl2->v[i].mX = DOT(vl3[i], ps->sdir[0]); |
444 |
< |
vl2->v[i].mY = DOT(vl3[i], ps->sdir[1]); |
442 |
> |
for (i = 0; i < surf->nv; i++) { |
443 |
> |
vl2->v[i].mX = DOT(surf->vl[i], ps->sdir[0]); |
444 |
> |
vl2->v[i].mY = DOT(surf->vl[i], ps->sdir[1]); |
445 |
|
} |
446 |
< |
free(vl3); /* it's ready! */ |
446 |
> |
ps->area_left = surf->area; |
447 |
> |
free(surf); /* it's ready! */ |
448 |
> |
vl2->p = (void *)ps; |
449 |
|
return(vl2); |
450 |
|
} |
451 |
|
|
463 |
|
for (i = 3; i--; ) { |
464 |
|
orig[i] = vl2->v[a].mX*ps->sdir[0][i] + |
465 |
|
vl2->v[a].mY*ps->sdir[1][i] + |
466 |
< |
(ps->poff+.001)*ps->sdir[2][i]; |
466 |
> |
(ps->poff+SURF_EPS)*ps->sdir[2][i]; |
467 |
|
ab[i] = (vl2->v[b].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
468 |
|
(vl2->v[b].mY - vl2->v[a].mY)*ps->sdir[1][i]; |
469 |
|
ac[i] = (vl2->v[c].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
517 |
|
} |
518 |
|
|
519 |
|
/* Sample the given surface */ |
520 |
< |
static int |
521 |
< |
sample_surface(IDF_PARAMETER *param, int wd) |
520 |
> |
static double |
521 |
> |
sample_surface(IDF_OBJECT *param, int wd) |
522 |
|
{ |
340 |
– |
IDF_FIELD *fptr = get_vlist(param, NULL); |
523 |
|
POLYSAMP psamp; |
524 |
+ |
double area; |
525 |
|
int nv; |
526 |
|
Vert2_list *vlist2; |
527 |
|
/* set up our polygon sampler */ |
528 |
< |
if (fptr == NULL || (nv = atoi(fptr->val)) < 3 || |
346 |
< |
(vlist2 = init_poly(&psamp, fptr->next, nv)) == NULL) { |
528 |
> |
if ((vlist2 = init_poly(&psamp, get_vlist(param, NULL))) == NULL) { |
529 |
|
fprintf(stderr, "%s: bad polygon %s '%s'\n", |
530 |
|
progname, param->pname, |
531 |
|
idf_getfield(param,NAME_FLD)->val); |
532 |
< |
return(0); |
532 |
> |
return(-1.); |
533 |
|
} |
534 |
< |
psamp.samp_left = NSAMPLES; /* assign samples & destination */ |
534 |
> |
psamp.samp_left = nsamps; /* assign samples & destination */ |
535 |
|
psamp.wd = wd; |
536 |
+ |
/* hack for subsurface sampling */ |
537 |
+ |
psamp.poff += 2.*SURF_EPS * !strcmp(param->pname, SUBSURF_PNAME); |
538 |
+ |
|
539 |
+ |
area = psamp.area_left; /* remember starting surface area */ |
540 |
|
/* sample each subtriangle */ |
541 |
|
if (!polyTriangulate(vlist2, &sample_triangle)) |
542 |
< |
return(0); |
542 |
> |
return(-1.); |
543 |
|
polyFree(vlist2); /* clean up and return */ |
544 |
< |
return(1); |
544 |
> |
return(area); |
545 |
|
} |
546 |
|
|
547 |
|
/* Compute User View Factors using open rcontrib process */ |
548 |
|
static int |
549 |
|
compute_uvfs(SUBPROC *pd, ZONE *zp) |
550 |
|
{ |
551 |
< |
IDF_PARAMETER *pptr, *pout, *pptr1; |
551 |
> |
IDF_OBJECT *pptr, *pout, *pptr1; |
552 |
|
float *uvfa; |
553 |
|
char uvfbuf[24]; |
554 |
|
int n, m; |
555 |
< |
/* create output parameter */ |
556 |
< |
pout = idf_newparam(our_idf, UVF_PNAME, |
557 |
< |
" ! computed by Radiance\n ", zp->plast); |
555 |
> |
/* create output object */ |
556 |
> |
pout = idf_newobject(our_idf, UVF_PNAME, |
557 |
> |
" ! computed by Radiance\n ", our_idf->plast); |
558 |
|
if (pout == NULL) { |
559 |
|
fputs(progname, stderr); |
560 |
< |
fputs(": cannot create new IDF parameter\n", stderr); |
560 |
> |
fputs(": cannot create new IDF object\n", stderr); |
561 |
|
return(0); |
562 |
|
} |
563 |
|
if (!idf_addfield(pout, zp->zname, |
567 |
|
return(0); |
568 |
|
} |
569 |
|
/* allocate read buffer */ |
570 |
< |
uvfa = (float *)malloc(sizeof(float)*3*zp->nsurf); |
570 |
> |
uvfa = (float *)malloc(sizeof(float)*3*zp->ntotal); |
571 |
|
if (uvfa == NULL) |
572 |
|
return(0); |
573 |
|
/* UVFs from each surface */ |
574 |
< |
for (n = zp->nsurf, pptr = zp->pfirst; n--; pptr = pptr->dnext) { |
574 |
> |
for (n = 0, pptr = zp->pfirst; n < zp->ntotal; n++, pptr = pptr->dnext) { |
575 |
|
double vfsum = 0; |
576 |
+ |
double adj_factor; |
577 |
|
/* send samples to rcontrib */ |
578 |
< |
if (!sample_surface(pptr, pd->w)) |
578 |
> |
if ((adj_factor = sample_surface(pptr, pd->w)) < 0) |
579 |
|
return(0); |
580 |
+ |
if (zp->area_redu == NULL) |
581 |
+ |
adj_factor = 1.; |
582 |
+ |
else /* comp. for subsurface area */ |
583 |
+ |
adj_factor /= adj_factor - zp->area_redu[n]; |
584 |
|
/* read results */ |
585 |
< |
if (readbuf(pd->r, (char *)uvfa, sizeof(float)*3*zp->nsurf) != |
586 |
< |
sizeof(float)*3*zp->nsurf) { |
585 |
> |
if (readbuf(pd->r, (char *)uvfa, sizeof(float)*3*zp->ntotal) != |
586 |
> |
sizeof(float)*3*zp->ntotal) { |
587 |
|
fputs(progname, stderr); |
588 |
|
fputs(": read error from rcontrib process\n", stderr); |
589 |
|
return(0); |
590 |
|
} |
591 |
|
/* append UVF fields */ |
592 |
|
for (m = 0, pptr1 = zp->pfirst; |
593 |
< |
m < zp->nsurf; m++, pptr1 = pptr1->dnext) { |
594 |
< |
vfsum += uvfa[3*m + 1]; |
595 |
< |
if (pptr1 == pptr) { |
596 |
< |
if (uvfa[3*m + 1] > .001) |
597 |
< |
fprintf(stderr, |
593 |
> |
m < zp->ntotal; m++, pptr1 = pptr1->dnext) { |
594 |
> |
const double uvf = uvfa[3*m + 1] * adj_factor; |
595 |
> |
vfsum += uvf; |
596 |
> |
if (pptr1 == pptr && uvf > .001) |
597 |
> |
fprintf(stderr, |
598 |
|
"%s: warning - non-zero self-VF (%.1f%%) for surface '%s'\n", |
599 |
< |
progname, 100.*uvfa[3*m + 1], |
599 |
> |
progname, 100.*uvf, |
600 |
|
idf_getfield(pptr,NAME_FLD)->val); |
601 |
< |
continue; /* don't record self-factor */ |
411 |
< |
} |
412 |
< |
sprintf(uvfbuf, "%.6f", uvfa[3*m + 1]); |
601 |
> |
sprintf(uvfbuf, "%.4f", uvf); |
602 |
|
if (!idf_addfield(pout, |
603 |
|
idf_getfield(pptr,NAME_FLD)->val, NULL) || |
604 |
|
!idf_addfield(pout, |
605 |
|
idf_getfield(pptr1,NAME_FLD)->val, NULL) || |
606 |
|
!idf_addfield(pout, uvfbuf, |
607 |
< |
(n || m < zp->nsurf-2) ? |
608 |
< |
"\n " : "\n\n")) { |
607 |
> |
(n+m < 2*zp->ntotal-2) ? |
608 |
> |
"\n " : "\n\n")) { |
609 |
|
fputs(progname, stderr); |
610 |
|
fputs(": error adding UVF fields\n", stderr); |
611 |
|
return(0); |
653 |
|
{ |
654 |
|
int incl_comments = 1; |
655 |
|
char *origIDF, *revIDF; |
656 |
< |
IDF_PARAMETER *pptr; |
656 |
> |
IDF_OBJECT *pptr; |
657 |
|
int i; |
658 |
|
|
659 |
< |
progname = argv[0]; |
660 |
< |
if (argc > 2 && !strcmp(argv[1], "-c")) { |
661 |
< |
incl_comments = -1; /* output header only */ |
662 |
< |
++argv; --argc; |
663 |
< |
} |
664 |
< |
if ((argc < 2) | (argc > 3)) { |
665 |
< |
fputs("Usage: ", stderr); |
666 |
< |
fputs(progname, stderr); |
667 |
< |
fputs(" [-c] Model.idf [Revised.idf]\n", stderr); |
668 |
< |
return(1); |
669 |
< |
} |
670 |
< |
origIDF = argv[1]; |
671 |
< |
revIDF = (argc == 2) ? argv[1] : argv[2]; |
659 |
> |
progname = *argv++; argc--; /* get options if any */ |
660 |
> |
while (argc > 1 && argv[0][0] == '-') |
661 |
> |
switch (argv[0][1]) { |
662 |
> |
case 'c': /* elide comments */ |
663 |
> |
incl_comments = -1; /* header only */ |
664 |
> |
argv++; argc--; |
665 |
> |
continue; |
666 |
> |
case 's': /* samples */ |
667 |
> |
nsamps = 1000*atoi(*++argv); |
668 |
> |
argv++; argc -= 2; |
669 |
> |
continue; |
670 |
> |
default: |
671 |
> |
fputs(progname, stderr); |
672 |
> |
fputs(": unknown option '", stderr); |
673 |
> |
fputs(argv[0], stderr); |
674 |
> |
fputs("'\n", stderr); |
675 |
> |
goto userr; |
676 |
> |
} |
677 |
> |
if ((argc < 1) | (argc > 2)) |
678 |
> |
goto userr; |
679 |
> |
origIDF = argv[0]; |
680 |
> |
revIDF = (argc == 1) ? argv[0] : argv[1]; |
681 |
|
/* load Input Data File */ |
682 |
|
our_idf = idf_load(origIDF); |
683 |
|
if (our_idf == NULL) { |
688 |
|
return(1); |
689 |
|
} |
690 |
|
/* remove existing UVFs */ |
691 |
< |
if ((pptr = idf_getparam(our_idf, UVF_PNAME)) != NULL) { |
692 |
< |
IDF_PARAMETER *pnext; |
691 |
> |
if ((pptr = idf_getobject(our_idf, UVF_PNAME)) != NULL) { |
692 |
> |
IDF_OBJECT *pnext; |
693 |
|
fputs(progname, stderr); |
694 |
|
fputs(": removing previous User View Factors\n", stderr); |
695 |
|
do { |
696 |
|
pnext = pptr->pnext; |
697 |
< |
idf_delparam(our_idf, pptr); |
697 |
> |
idf_delobject(our_idf, pptr); |
698 |
|
} while (pnext != NULL); |
699 |
|
} |
700 |
|
/* add to header */ |
704 |
|
idf_add2hdr(our_idf, ADD_HEADER); |
705 |
|
/* gather zone surfaces */ |
706 |
|
for (i = 0; surf_type[i].pname != NULL; i++) |
707 |
< |
for (pptr = idf_getparam(our_idf, surf_type[i].pname); |
707 |
> |
for (pptr = idf_getobject(our_idf, surf_type[i].pname); |
708 |
|
pptr != NULL; pptr = pptr->pnext) { |
709 |
|
IDF_FIELD *fptr = idf_getfield(pptr, |
710 |
|
surf_type[i].zone_fld); |
716 |
|
if (add2zone(pptr, fptr->val) == NULL) |
717 |
|
return(1); |
718 |
|
} |
719 |
+ |
/* add subsurfaces */ |
720 |
+ |
for (pptr = idf_getobject(our_idf, SUBSURF_PNAME); |
721 |
+ |
pptr != NULL; pptr = pptr->pnext) |
722 |
+ |
if (add_subsurf(pptr) == NULL) |
723 |
+ |
return(1); |
724 |
|
/* run rcontrib on each zone */ |
725 |
|
if (!compute_zones()) |
726 |
|
return(1); |
733 |
|
return(1); |
734 |
|
} |
735 |
|
return(0); /* finito! */ |
736 |
+ |
userr: |
737 |
+ |
fputs("Usage: ", stderr); |
738 |
+ |
fputs(progname, stderr); |
739 |
+ |
fputs(" [-c][-s Ksamps] Model.idf [Revised.idf]\n", stderr); |
740 |
+ |
return(1); |
741 |
|
} |