| 111 |
|
for (j = 0; j < 3; j++) |
| 112 |
|
org[j] += .001*fa->norm[j]; |
| 113 |
|
/* send sample */ |
| 114 |
< |
raysamp(distarr+dim[1]*nazi+dim[2], org, dir, rt); |
| 114 |
> |
raysamp(distarr+3*(dim[1]*nazi+dim[2]), org, dir, rt); |
| 115 |
|
} |
| 116 |
|
rayflush(rt); |
| 117 |
|
/* write out the face w/ distribution */ |
| 151 |
|
dim[0] = random(); |
| 152 |
|
/* sample sphere */ |
| 153 |
|
for (dim[1] = 0; dim[1] < nalt; dim[1]++) |
| 154 |
< |
for (dim[2] = 0; dim[2] < nazi; dim[2]++) { |
| 155 |
< |
if (il->nsamps > 2 && nazi > 20) { |
| 156 |
< |
rounddir(dir, (dim[1]+.5)/nalt, (dim[2]+.5)/nazi); |
| 157 |
< |
mkaxes(u, v, dir); |
| 158 |
< |
} |
| 154 |
> |
for (dim[2] = 0; dim[2] < nazi; dim[2]++) |
| 155 |
|
for (i = 0; i < il->nsamps; i++) { |
| 156 |
|
/* random direction */ |
| 157 |
|
dim[3] = 1; |
| 160 |
|
r2 = (dim[2]+urand(urind(ilhash(dim,4),i)))/nazi; |
| 161 |
|
rounddir(dir, r1, r2); |
| 162 |
|
/* random location */ |
| 163 |
< |
if (il->nsamps <= 2 || nazi <= 20) |
| 168 |
< |
mkaxes(u, v, dir); /* yuck! */ |
| 163 |
> |
mkaxes(u, v, dir); /* yuck! */ |
| 164 |
|
dim[3] = 3; |
| 165 |
|
r3 = sqrt(urand(urind(ilhash(dim,4),i))); |
| 166 |
|
dim[3] = 4; |
| 174 |
|
dir[j] = -dir[j]; |
| 175 |
|
} |
| 176 |
|
/* send sample */ |
| 177 |
< |
raysamp(distarr+dim[1]*nazi+dim[2], org, dir, rt); |
| 177 |
> |
raysamp(distarr+3*(dim[1]*nazi+dim[2]), org, dir, rt); |
| 178 |
|
} |
| 184 |
– |
} |
| 179 |
|
rayflush(rt); |
| 180 |
|
/* write out the sphere w/ distribution */ |
| 181 |
|
roundout(il, distarr, nalt, nazi); |
| 237 |
|
.001*co->ad[j]; |
| 238 |
|
|
| 239 |
|
/* send sample */ |
| 240 |
< |
raysamp(distarr+dim[1]*nazi+dim[2], org, dir, rt); |
| 240 |
> |
raysamp(distarr+3*(dim[1]*nazi+dim[2]), org, dir, rt); |
| 241 |
|
} |
| 242 |
|
rayflush(rt); |
| 243 |
|
/* write out the ring w/ distribution */ |
| 272 |
|
|
| 273 |
|
if (rt->nrays <= 0) |
| 274 |
|
return; |
| 275 |
< |
i = 6*rt->nrays + 3; |
| 282 |
< |
rt->buf[i++] = 0.; rt->buf[i++] = 0.; rt->buf[i] = 0.; |
| 275 |
> |
bzero(rt->buf+6*rt->nrays, 6*sizeof(float)); |
| 276 |
|
if ( process(rt->pd, (char *)rt->buf, (char *)rt->buf, |
| 277 |
|
3*sizeof(float)*rt->nrays, |
| 278 |
|
6*sizeof(float)*(rt->nrays+1)) < |
| 328 |
|
d2 = 2.*PI * azi; |
| 329 |
|
dv[0] = d1*cos(d2); |
| 330 |
|
dv[1] = d1*sin(d2); |
| 331 |
< |
dv[2] = sqrt(1. - d1*d1); |
| 331 |
> |
dv[2] = sqrt(1. - alt); |
| 332 |
|
} |