| 260 |
|
|
| 261 |
|
/* Advect and allocate new RBF along edge */ |
| 262 |
|
static RBFNODE * |
| 263 |
< |
e_advect_rbf(const MIGRATION *mig, const FVECT invec) |
| 263 |
> |
e_advect_rbf(const MIGRATION *mig, const FVECT invec, int lobe_lim) |
| 264 |
|
{ |
| 265 |
+ |
double cthresh = FTINY; |
| 266 |
|
RBFNODE *rbf; |
| 267 |
|
int n, i, j; |
| 268 |
|
double t, full_dist; |
| 287 |
|
rbf->next = NULL; rbf->ejl = NULL; |
| 288 |
|
return(rbf); |
| 289 |
|
} |
| 290 |
< |
t /= full_dist; |
| 290 |
> |
t /= full_dist; |
| 291 |
> |
tryagain: |
| 292 |
|
n = 0; /* count migrating particles */ |
| 293 |
|
for (i = 0; i < mtx_nrows(mig); i++) |
| 294 |
|
for (j = 0; j < mtx_ncols(mig); j++) |
| 295 |
< |
n += (mtx_coef(mig,i,j) > FTINY); |
| 295 |
> |
n += (mtx_coef(mig,i,j) > cthresh); |
| 296 |
> |
/* are we over our limit? */ |
| 297 |
> |
if ((lobe_lim > 0) & (n > lobe_lim)) { |
| 298 |
> |
cthresh = cthresh*2. + 10.*FTINY; |
| 299 |
> |
goto tryagain; |
| 300 |
> |
} |
| 301 |
|
#ifdef DEBUG |
| 302 |
|
fprintf(stderr, "Input RBFs have %d, %d nodes -> output has %d\n", |
| 303 |
|
mig->rbfv[0]->nrbf, mig->rbfv[1]->nrbf, n); |
| 318 |
|
float mv; |
| 319 |
|
ovec_from_pos(v0, rbf0i->gx, rbf0i->gy); |
| 320 |
|
for (j = 0; j < mtx_ncols(mig); j++) |
| 321 |
< |
if ((mv = mtx_coef(mig,i,j)) > FTINY) { |
| 321 |
> |
if ((mv = mtx_coef(mig,i,j)) > cthresh) { |
| 322 |
|
const RBFVAL *rbf1j = &mig->rbfv[1]->rbfa[j]; |
| 323 |
|
double rad1 = R2ANG(rbf1j->crad); |
| 324 |
|
FVECT v; |
| 344 |
|
|
| 345 |
|
/* Partially advect between recorded incident angles and allocate new RBF */ |
| 346 |
|
RBFNODE * |
| 347 |
< |
advect_rbf(const FVECT invec) |
| 347 |
> |
advect_rbf(const FVECT invec, int lobe_lim) |
| 348 |
|
{ |
| 349 |
+ |
double cthresh = FTINY; |
| 350 |
|
FVECT sivec; |
| 351 |
|
MIGRATION *miga[3]; |
| 352 |
|
RBFNODE *rbf; |
| 361 |
|
if (sym < 0) /* can't interpolate? */ |
| 362 |
|
return(NULL); |
| 363 |
|
if (miga[1] == NULL) { /* advect along edge? */ |
| 364 |
< |
rbf = e_advect_rbf(miga[0], sivec); |
| 364 |
> |
rbf = e_advect_rbf(miga[0], sivec, lobe_lim); |
| 365 |
|
if (single_plane_incident) |
| 366 |
|
rotate_rbf(rbf, invec); |
| 367 |
|
else |
| 387 |
|
geodesic(v1, miga[0]->rbfv[0]->invec, miga[0]->rbfv[1]->invec, |
| 388 |
|
s, GEOD_REL); |
| 389 |
|
t = acos(DOT(v1,sivec)) / acos(DOT(v1,miga[1]->rbfv[1]->invec)); |
| 390 |
+ |
tryagain: |
| 391 |
|
n = 0; /* count migrating particles */ |
| 392 |
|
for (i = 0; i < mtx_nrows(miga[0]); i++) |
| 393 |
|
for (j = 0; j < mtx_ncols(miga[0]); j++) |
| 394 |
< |
for (k = (mtx_coef(miga[0],i,j) > FTINY) * |
| 394 |
> |
for (k = (mtx_coef(miga[0],i,j) > cthresh) * |
| 395 |
|
mtx_ncols(miga[2]); k--; ) |
| 396 |
< |
n += (mtx_coef(miga[2],i,k) > FTINY || |
| 397 |
< |
mtx_coef(miga[1],j,k) > FTINY); |
| 396 |
> |
n += (mtx_coef(miga[2],i,k) > cthresh || |
| 397 |
> |
mtx_coef(miga[1],j,k) > cthresh); |
| 398 |
> |
/* are we over our limit? */ |
| 399 |
> |
if ((lobe_lim > 0) & (n > lobe_lim)) { |
| 400 |
> |
cthresh = cthresh*2. + 10.*FTINY; |
| 401 |
> |
goto tryagain; |
| 402 |
> |
} |
| 403 |
|
#ifdef DEBUG |
| 404 |
|
fprintf(stderr, "Input RBFs have %d, %d, %d nodes -> output has %d\n", |
| 405 |
|
miga[0]->rbfv[0]->nrbf, miga[0]->rbfv[1]->nrbf, |
| 427 |
|
const float ma = mtx_coef(miga[0],i,j); |
| 428 |
|
const RBFVAL *rbf1j; |
| 429 |
|
double rad1j, srad2; |
| 430 |
< |
if (ma <= FTINY) |
| 430 |
> |
if (ma <= cthresh) |
| 431 |
|
continue; |
| 432 |
|
rbf1j = &miga[0]->rbfv[1]->rbfa[j]; |
| 433 |
|
rad1j = R2ANG(rbf1j->crad); |
| 440 |
|
const RBFVAL *rbf2k; |
| 441 |
|
double rad2k; |
| 442 |
|
int pos[2]; |
| 443 |
< |
if ((mb <= FTINY) & (mc <= FTINY)) |
| 443 |
> |
if ((mb <= cthresh) & (mc <= cthresh)) |
| 444 |
|
continue; |
| 445 |
|
rbf2k = &miga[2]->rbfv[1]->rbfa[k]; |
| 446 |
|
rbf->rbfa[n].peak = w0i * ma * (mb*mbfact + mc*mcfact); |
