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 |
|
|