105 |
|
case VDB_xY: return(db2==VDB_x ? VDB_y : VDB_X); |
106 |
|
case VDB_Xy: return(db2==VDB_y ? VDB_x : VDB_Y); |
107 |
|
} |
108 |
< |
error(INTERNAL, "forbidden diagonal in vdb_edge()"); |
108 |
> |
error(CONSISTENCY, "forbidden diagonal in vdb_edge()"); |
109 |
|
return(-1); |
110 |
|
} |
111 |
|
|
537 |
|
|
538 |
|
|
539 |
|
/* Compute anisotropic radii and eigenvector directions */ |
540 |
< |
static int |
540 |
> |
static void |
541 |
|
eigenvectors(FVECT uv[2], float ra[2], FVECT hessian[3]) |
542 |
|
{ |
543 |
|
double hess2[2][2]; |
559 |
|
if (i == 1) /* double-root (circle) */ |
560 |
|
evalue[1] = evalue[0]; |
561 |
|
if (!i || ((evalue[0] = fabs(evalue[0])) <= FTINY*FTINY) | |
562 |
< |
((evalue[1] = fabs(evalue[1])) <= FTINY*FTINY) ) |
563 |
< |
error(INTERNAL, "bad eigenvalue calculation"); |
564 |
< |
|
562 |
> |
((evalue[1] = fabs(evalue[1])) <= FTINY*FTINY) ) { |
563 |
> |
ra[0] = ra[1] = maxarad; |
564 |
> |
return; |
565 |
> |
} |
566 |
|
if (evalue[0] > evalue[1]) { |
567 |
|
ra[0] = sqrt(sqrt(4.0/evalue[0])); |
568 |
|
ra[1] = sqrt(sqrt(4.0/evalue[1])); |
726 |
|
const double max_d = 1.0/(minarad*ambacc + 0.001); |
727 |
|
const double ang_res = 0.5*PI/(hp->ns-1); |
728 |
|
const double ang_step = ang_res/((int)(16/PI*ang_res) + (1+FTINY)); |
729 |
+ |
double avg_d = 0; |
730 |
|
uint32 flgs = 0; |
731 |
|
int i, j; |
732 |
< |
/* circle around perimeter */ |
732 |
> |
/* don't bother for a few samples */ |
733 |
> |
if (hp->ns < 12) |
734 |
> |
return(0); |
735 |
> |
/* check distances overhead */ |
736 |
> |
for (i = hp->ns*3/4; i-- > hp->ns>>2; ) |
737 |
> |
for (j = hp->ns*3/4; j-- > hp->ns>>2; ) |
738 |
> |
avg_d += ambsam(hp,i,j).d; |
739 |
> |
avg_d *= 4.0/(hp->ns*hp->ns); |
740 |
> |
if (avg_d*r0 >= 1.0) /* ceiling too low for corral? */ |
741 |
> |
return(0); |
742 |
> |
if (avg_d >= max_d) /* insurance */ |
743 |
> |
return(0); |
744 |
> |
/* else circle around perimeter */ |
745 |
|
for (i = 0; i < hp->ns; i++) |
746 |
|
for (j = 0; j < hp->ns; j += !i|(i==hp->ns-1) ? 1 : hp->ns-1) { |
747 |
|
AMBSAMP *ap = &ambsam(hp,i,j); |
829 |
|
K = 1.0; |
830 |
|
pg = NULL; |
831 |
|
dg = NULL; |
832 |
+ |
crlp = NULL; |
833 |
|
} |
834 |
|
ap = hp->sa; /* relative Y channel from here on... */ |
835 |
|
for (i = hp->ns*hp->ns; i--; ap++) |
865 |
|
if (ra[0] > maxarad) |
866 |
|
ra[0] = maxarad; |
867 |
|
} |
868 |
< |
if (crlp != NULL) /* flag encroached directions */ |
868 |
> |
/* flag encroached directions */ |
869 |
> |
if ((wt >= 0.5-FTINY) & (crlp != NULL)) |
870 |
|
*crlp = ambcorral(hp, uv, ra[0]*ambacc, ra[1]*ambacc); |
871 |
|
if (pg != NULL) { /* cap gradient if necessary */ |
872 |
|
d = pg[0]*pg[0]*ra[0]*ra[0] + pg[1]*pg[1]*ra[1]*ra[1]; |