191 |
|
assignD = (fundefined(funame) < 6); |
192 |
|
/* run through directions */ |
193 |
|
for (ix = 0; ix < sqres/2; ix++) { |
194 |
< |
RBFNODE *rbf = NULL; |
194 |
> |
const int zipsgn = (ix & 1)*2 - 1; |
195 |
> |
RBFNODE *rbf = NULL; |
196 |
|
iovec[0] = 2.*sqfact*(ix+.5) - 1.; |
197 |
< |
iovec[1] = .0; |
198 |
< |
iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0]); |
197 |
> |
iovec[1] = zipsgn*sqfact*.5; |
198 |
> |
iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0] |
199 |
> |
- iovec[1]*iovec[1]); |
200 |
|
if (funame == NULL) |
201 |
|
rbf = advect_rbf(iovec, lobe_lim); |
202 |
|
for (ox = 0; ox < sqres; ox++) { |
254 |
|
#if (NSSAMP > 0) |
255 |
|
if (abs_diff(bsdf, last_bsdf) > ssamp_thresh) { |
256 |
|
int ssi; |
257 |
< |
double ssa[3], ssvec[6], sum = 0; |
257 |
> |
double ssa[4], ssvec[6], sum = 0; |
258 |
|
/* super-sample voxel */ |
259 |
|
for (ssi = NSSAMP; ssi--; ) { |
260 |
< |
SDmultiSamp(ssa, 3, (ssi+frandom()) * |
260 |
> |
SDmultiSamp(ssa, 4, (ssi+frandom()) * |
261 |
|
(1./NSSAMP)); |
262 |
|
ssvec[0] = 2.*sqfact*(ix+ssa[0]) - 1.; |
263 |
< |
ssvec[1] = .0; |
264 |
< |
ssvec[2] = input_orient * |
265 |
< |
sqrt(1. - ssvec[0]*ssvec[0]); |
266 |
< |
SDsquare2disk(ssvec+3, (ox+ssa[1])*sqfact, |
267 |
< |
(oy+ssa[2])*sqfact); |
263 |
> |
ssvec[1] = zipsgn*sqfact*ssa[1]; |
264 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0] |
265 |
> |
- ssvec[1]*ssvec[1]; |
266 |
> |
if (ssvec[2] < .0) { |
267 |
> |
ssvec[1] = 0; |
268 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0]; |
269 |
> |
} |
270 |
> |
ssvec[2] = input_orient * sqrt(ssvec[2]); |
271 |
> |
SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, |
272 |
> |
(oy+ssa[3])*sqfact); |
273 |
|
ssvec[5] = output_orient * |
274 |
|
sqrt(1. - ssvec[3]*ssvec[3] - |
275 |
|
ssvec[4]*ssvec[4]); |
649 |
|
return(1); |
650 |
|
} |
651 |
|
fcompile(fpath); |
652 |
< |
single_plane_incident = 0; |
652 |
> |
if (single_plane_incident < 0) |
653 |
> |
single_plane_incident = 0; |
654 |
|
} |
655 |
|
} else |
656 |
|
dofwd = (argv[i][0] == '+'); |