9 |
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*/ |
10 |
|
|
11 |
|
#include "glare.h" |
12 |
+ |
#include "linregr.h" |
13 |
|
|
14 |
|
#define vcont(vd,vu) ((vu)-(vd)<=SEPS) |
15 |
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#define hcont(s1,s2) ((s1)->r-(s2)->l>=-SEPS&&(s2)->r-(s1)->l>=-SEPS) |
51 |
|
for (v = vsize; v >= -vsize; v--) { |
52 |
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close_sources(v); |
53 |
|
#ifndef DEBUG |
54 |
< |
if (verbose) |
54 |
> |
if (verbose) { |
55 |
|
fprintf(stderr, "%s: analyzing... %3ld%%\r", |
56 |
|
progname, 100L*(vsize-v)/(2*vsize)); |
57 |
+ |
fflush(stderr); |
58 |
+ |
} |
59 |
|
#endif |
60 |
|
getviewspan(v, spanbr); |
61 |
|
left = hsize + 1; |
278 |
|
} |
279 |
|
|
280 |
|
|
281 |
+ |
struct srcspan * |
282 |
+ |
splitspan(sso, h, v, m) /* divide source span at point */ |
283 |
+ |
register struct srcspan *sso; |
284 |
+ |
double h, v, m; |
285 |
+ |
{ |
286 |
+ |
register struct srcspan *ssn; |
287 |
+ |
double d; |
288 |
+ |
int hs; |
289 |
+ |
|
290 |
+ |
d = h - m*(sso->v - v); |
291 |
+ |
hs = d < 0. ? d-.5 : d+.5; |
292 |
+ |
if (sso->l >= hs) |
293 |
+ |
return(NULL); |
294 |
+ |
if (sso->r <= hs) |
295 |
+ |
return(sso); |
296 |
+ |
/* need to split it */ |
297 |
+ |
ssn = (struct srcspan *)malloc(sizeof(struct srcspan)); |
298 |
+ |
if (ssn == NULL) |
299 |
+ |
memerr("source spans in splitspan"); |
300 |
+ |
ssn->brsum = (double)(hs - sso->l)/(sso->r - sso->l) * sso->brsum; |
301 |
+ |
sso->brsum -= ssn->brsum; |
302 |
+ |
ssn->v = sso->v; |
303 |
+ |
ssn->l = sso->l; |
304 |
+ |
ssn->r = sso->l = hs; |
305 |
+ |
return(ssn); |
306 |
+ |
} |
307 |
+ |
|
308 |
+ |
|
309 |
+ |
struct source * |
310 |
+ |
splitsource(so) /* divide source in two if it's big and long */ |
311 |
+ |
struct source *so; |
312 |
+ |
{ |
313 |
+ |
LRSUM lr; |
314 |
+ |
LRLIN fit; |
315 |
+ |
register struct srcspan *ss, *ssn; |
316 |
+ |
struct srcspan *ssl, *ssnl, head; |
317 |
+ |
int h; |
318 |
+ |
double mh, mv; |
319 |
+ |
struct source *sn; |
320 |
+ |
|
321 |
+ |
lrclear(&lr); |
322 |
+ |
for (ss = so->first; ss != NULL; ss = ss->next) |
323 |
+ |
for (h = ss->l; h < ss->r; h++) |
324 |
+ |
lrpoint(h, ss->v, &lr); |
325 |
+ |
if ((double)lr.n/(sampdens*sampdens) < SABIG) |
326 |
+ |
return(NULL); /* too small */ |
327 |
+ |
if (lrfit(&fit, &lr) < 0) |
328 |
+ |
return(NULL); /* can't fit a line */ |
329 |
+ |
if (fit.correlation < LCORR && fit.correlation > -LCORR) |
330 |
+ |
return(NULL); |
331 |
+ |
if (verbose) |
332 |
+ |
fprintf(stderr, "%s: splitting large source\n", progname); |
333 |
+ |
mh = lrxavg(&lr); |
334 |
+ |
mv = lryavg(&lr); |
335 |
+ |
sn = (struct source *)malloc(sizeof(struct source)); |
336 |
+ |
if (sn == NULL) |
337 |
+ |
memerr("source records in splitsource"); |
338 |
+ |
sn->dom = 0.0; |
339 |
+ |
sn->first = NULL; |
340 |
+ |
ssnl = NULL; |
341 |
+ |
head.next = so->first; |
342 |
+ |
ssl = &head; |
343 |
+ |
for (ss = so->first; ss != NULL; ssl = ss, ss = ss->next) |
344 |
+ |
if ((ssn = splitspan(ss, mh, mv, fit.slope)) != NULL) { |
345 |
+ |
if (ssn == ss) { /* remove from old */ |
346 |
+ |
ssl->next = ss->next; |
347 |
+ |
ss = ssl; |
348 |
+ |
} |
349 |
+ |
if (ssnl == NULL) /* add to new */ |
350 |
+ |
sn->first = ssn; |
351 |
+ |
else |
352 |
+ |
ssnl->next = ssn; |
353 |
+ |
ssn->next = NULL; |
354 |
+ |
ssnl = ssn; |
355 |
+ |
} |
356 |
+ |
so->first = head.next; |
357 |
+ |
return(sn); |
358 |
+ |
} |
359 |
+ |
|
360 |
+ |
|
361 |
|
donesource(sp) /* finished with this source */ |
362 |
|
register struct source *sp; |
363 |
|
{ |
364 |
+ |
struct source *newsrc; |
365 |
|
register struct srcspan *ss; |
366 |
|
int h, n; |
367 |
|
double hsum, vsum, d; |
368 |
|
|
369 |
+ |
while ((newsrc = splitsource(sp)) != NULL) /* split it? */ |
370 |
+ |
donesource(newsrc); |
371 |
|
sp->dom = 0.0; |
372 |
|
hsum = vsum = 0.0; |
373 |
|
sp->brt = 0.0; |
381 |
|
vsum += d*ss->v; |
382 |
|
sp->dom += d; |
383 |
|
} |
298 |
– |
free((char *)ss); |
384 |
|
} |
300 |
– |
sp->first = NULL; |
385 |
|
sp->brt /= (double)n; |
386 |
|
compdir(sp->dir, (int)(hsum/sp->dom), (int)(vsum/sp->dom)); |
387 |
+ |
freespans(sp); |
388 |
|
sp->next = donelist; |
389 |
|
donelist = sp; |
390 |
|
if (verbose) |
453 |
|
indirect[i].sum += d * s->brt; |
454 |
|
indirect[i].n += d; |
455 |
|
} |
456 |
< |
for ( ; s->first != NULL; s->first = s->first->next) |
372 |
< |
free((char *)s->first); |
456 |
> |
freespans(s); |
457 |
|
free((char *)s); |
458 |
+ |
} |
459 |
+ |
|
460 |
+ |
|
461 |
+ |
freespans(sp) /* free spans associated with source */ |
462 |
+ |
struct source *sp; |
463 |
+ |
{ |
464 |
+ |
register struct srcspan *ss; |
465 |
+ |
|
466 |
+ |
for (ss = sp->first; ss != NULL; ss = ss->next) |
467 |
+ |
free((char *)ss); |
468 |
+ |
sp->first = NULL; |
469 |
|
} |