337 |
|
|
338 |
|
/* Partially advect between recorded incident angles and allocate new RBF */ |
339 |
|
RBFNODE * |
340 |
< |
advect_rbf(const FVECT invec) |
340 |
> |
advect_rbf(const FVECT invec, int lobe_lim) |
341 |
|
{ |
342 |
+ |
double cthresh = FTINY; |
343 |
|
FVECT sivec; |
344 |
|
MIGRATION *miga[3]; |
345 |
|
RBFNODE *rbf; |
380 |
|
geodesic(v1, miga[0]->rbfv[0]->invec, miga[0]->rbfv[1]->invec, |
381 |
|
s, GEOD_REL); |
382 |
|
t = acos(DOT(v1,sivec)) / acos(DOT(v1,miga[1]->rbfv[1]->invec)); |
383 |
+ |
tryagain: |
384 |
|
n = 0; /* count migrating particles */ |
385 |
|
for (i = 0; i < mtx_nrows(miga[0]); i++) |
386 |
|
for (j = 0; j < mtx_ncols(miga[0]); j++) |
387 |
< |
for (k = (mtx_coef(miga[0],i,j) > FTINY) * |
387 |
> |
for (k = (mtx_coef(miga[0],i,j) > cthresh) * |
388 |
|
mtx_ncols(miga[2]); k--; ) |
389 |
< |
n += (mtx_coef(miga[2],i,k) > FTINY || |
390 |
< |
mtx_coef(miga[1],j,k) > FTINY); |
389 |
> |
n += (mtx_coef(miga[2],i,k) > cthresh || |
390 |
> |
mtx_coef(miga[1],j,k) > cthresh); |
391 |
> |
if ((lobe_lim > 0) & (n > lobe_lim)) { |
392 |
> |
cthresh = cthresh*2. + 10.*FTINY; |
393 |
> |
goto tryagain; |
394 |
> |
} |
395 |
|
#ifdef DEBUG |
396 |
|
fprintf(stderr, "Input RBFs have %d, %d, %d nodes -> output has %d\n", |
397 |
|
miga[0]->rbfv[0]->nrbf, miga[0]->rbfv[1]->nrbf, |
419 |
|
const float ma = mtx_coef(miga[0],i,j); |
420 |
|
const RBFVAL *rbf1j; |
421 |
|
double rad1j, srad2; |
422 |
< |
if (ma <= FTINY) |
422 |
> |
if (ma <= cthresh) |
423 |
|
continue; |
424 |
|
rbf1j = &miga[0]->rbfv[1]->rbfa[j]; |
425 |
|
rad1j = R2ANG(rbf1j->crad); |
432 |
|
const RBFVAL *rbf2k; |
433 |
|
double rad2k; |
434 |
|
int pos[2]; |
435 |
< |
if ((mb <= FTINY) & (mc <= FTINY)) |
435 |
> |
if ((mb <= cthresh) & (mc <= cthresh)) |
436 |
|
continue; |
437 |
|
rbf2k = &miga[2]->rbfv[1]->rbfa[k]; |
438 |
|
rbf->rbfa[n].peak = w0i * ma * (mb*mbfact + mc*mcfact); |