| 273 |
|
{ |
| 274 |
|
#define q(w) (20.4*w+1.52*pow(w,.2)-.075) |
| 275 |
|
register struct glare_src *gs; |
| 276 |
+ |
FVECT mydir; |
| 277 |
|
double p; |
| 278 |
|
double sum; |
| 279 |
|
double wtot, brsum; |
| 280 |
|
int n; |
| 281 |
|
|
| 282 |
+ |
spinvector(mydir, midview.vdir, midview.vup, gd->ang); |
| 283 |
|
sum = wtot = brsum = 0.0; n = 0; |
| 284 |
|
for (gs = all_srcs; gs != NULL; gs = gs->next) { |
| 285 |
< |
p = posindex(gs->dir, midview.vdir, midview.vup); |
| 285 |
> |
p = posindex(gs->dir, mydir, midview.vup); |
| 286 |
|
if (p <= FTINY) |
| 287 |
|
continue; |
| 288 |
|
sum += gs->lum * q(gs->dom) / p; |
| 313 |
|
guth_vcp(gd) /* compute Guth visual comfort probability */ |
| 314 |
|
struct glare_dir *gd; |
| 315 |
|
{ |
| 316 |
< |
return(100.*norm_integral(6.374-1.3227*log(guth_dgr(gd)))); |
| 316 |
> |
double dgr; |
| 317 |
> |
|
| 318 |
> |
dgr = guth_dgr(gd); |
| 319 |
> |
if (dgr <= FTINY) |
| 320 |
> |
return(100.0); |
| 321 |
> |
return(100.*norm_integral(6.374-1.3227*log(dgr))); |
| 322 |
|
} |
