| 120 |
|
int d; |
| 121 |
|
register int4 i, p; |
| 122 |
|
|
| 123 |
< |
if (n <= 0) |
| 123 |
> |
if (n <= 0) { |
| 124 |
> |
#ifdef DEBUG |
| 125 |
> |
error(WARNING, "neighborless sample in kill_occl"); |
| 126 |
> |
#endif |
| 127 |
|
return(1); |
| 128 |
+ |
} |
| 129 |
|
p = v*hres + h; |
| 130 |
|
forequad[0][0] = forequad[0][1] = forequad[1][0] = forequad[1][1] = 0; |
| 131 |
|
for (i = n; i--; ) { |
| 151 |
|
int dis[NNEIGH], ndis; |
| 152 |
|
COLOR mykern[MAXRAD2]; |
| 153 |
|
int4 maxr2; |
| 154 |
< |
double w, d; |
| 154 |
> |
double d; |
| 155 |
|
register int4 p, r2; |
| 156 |
|
int i, r, maxr, h2, v2; |
| 157 |
|
|
| 196 |
|
} |
| 197 |
|
if (i >= 0) continue; /* outside edge */ |
| 198 |
|
addcolor(mypixel[v2*hres+h2], mykern[r2]); |
| 199 |
< |
myweight[v2*hres+h2] += pixWeight[r2] * |
| 196 |
< |
myweight[v*hres+h]; |
| 199 |
> |
myweight[v2*hres+h2] += pixWeight[r2] * myweight[p]; |
| 200 |
|
} |
| 201 |
|
} |
| 202 |
|
return(1); |
| 205 |
|
|
| 206 |
|
pixFlush() /* done with beams -- flush pixel values */ |
| 207 |
|
{ |
| 208 |
+ |
if (pixWeight[0] <= FTINY) |
| 209 |
+ |
init_wfunc(); /* initialize weighting function */ |
| 210 |
|
reset_flags(); /* set occupancy flags */ |
| 211 |
|
meet_neighbors(kill_occl); /* eliminate occlusion errors */ |
| 212 |
|
reset_flags(); /* reset occupancy flags */ |
| 208 |
– |
if (pixWeight[0] <= FTINY) { /* initialize weighting function */ |
| 209 |
– |
register int i, j, r2; |
| 210 |
– |
double d; |
| 211 |
– |
for (i = 1; i <= MAXRAD; i++) |
| 212 |
– |
for (j = 0; j <= i; j++) { |
| 213 |
– |
r2 = i*i + j*j; |
| 214 |
– |
if (r2 >= MAXRAD2) break; |
| 215 |
– |
d = sqrt((double)r2); |
| 216 |
– |
pixWeight[r2] = G0NORM/d; |
| 217 |
– |
isqrttab[r2] = d + 0.99; |
| 218 |
– |
} |
| 219 |
– |
pixWeight[0] = 1.; |
| 220 |
– |
isqrttab[0] = 0; |
| 221 |
– |
} |
| 213 |
|
meet_neighbors(grow_samp); /* grow valid samples over image */ |
| 214 |
|
free((char *)pixFlags); /* free pixel flags */ |
| 215 |
|
pixFlags = NULL; |
| 218 |
|
|
| 219 |
|
reset_flags() /* allocate/set/reset occupancy flags */ |
| 220 |
|
{ |
| 221 |
< |
register int p; |
| 221 |
> |
register int4 p; |
| 222 |
|
|
| 223 |
|
if (pixFlags == NULL) { |
| 224 |
|
pixFlags = (int4 *)calloc(FL4NELS(hres*vres), sizeof(int4)); |
| 228 |
|
for (p = hres*vres; p--; ) |
| 229 |
|
if (myweight[p] > FTINY) |
| 230 |
|
SET4(pixFlags, p); |
| 231 |
+ |
} |
| 232 |
+ |
|
| 233 |
+ |
|
| 234 |
+ |
init_wfunc() /* initialize weighting function */ |
| 235 |
+ |
{ |
| 236 |
+ |
register int i, j; |
| 237 |
+ |
register int4 r2; |
| 238 |
+ |
register double d; |
| 239 |
+ |
|
| 240 |
+ |
for (i = 1; i <= MAXRAD; i++) |
| 241 |
+ |
for (j = 0; j <= i; j++) { |
| 242 |
+ |
r2 = i*i + j*j; |
| 243 |
+ |
if (r2 >= MAXRAD2) break; |
| 244 |
+ |
d = sqrt((double)r2); |
| 245 |
+ |
pixWeight[r2] = G0NORM/d; |
| 246 |
+ |
isqrttab[r2] = d + 0.99; |
| 247 |
+ |
} |
| 248 |
+ |
pixWeight[0] = 1.; |
| 249 |
+ |
isqrttab[0] = 0; |
| 250 |
|
} |
| 251 |
|
|
| 252 |
|
|
