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root/radiance/ray/src/cv/bsdfinterp.c
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Comparing ray/src/cv/bsdfinterp.c (file contents):
Revision 2.6 by greg, Thu Nov 22 06:07:17 2012 UTC vs.
Revision 2.7 by greg, Mon Nov 26 07:02:20 2012 UTC

# Line 331 | Line 331 | advect_rbf(const FVECT invec)
331          float           mbfact, mcfact;
332          int             n, i, j, k;
333          FVECT           v0, v1, v2;
334 <        double          s, t, s_full, t_full;
334 >        double          s, t, t_full;
335  
336          VCOPY(sivec, invec);                    /* find triangle/edge */
337          sym = get_interp(miga, sivec);
# Line 360 | Line 360 | advect_rbf(const FVECT invec)
360          normalize(v2);
361          fcross(v1, sivec, miga[1]->rbfv[1]->invec);
362          normalize(v1);
363 <        s = acos(DOT(v0,v1));
363 >        s = acos(DOT(v0,v1)) / acos(DOT(v0,v2));
364          geodesic(v1, miga[0]->rbfv[0]->invec, miga[0]->rbfv[1]->invec,
365 <                        s, GEOD_RAD);
366 <        s /= s_full = acos(DOT(v0,v2));
365 >                        s, GEOD_REL);
366          t = acos(DOT(v1,sivec)) /
367                          (t_full = acos(DOT(v1,miga[1]->rbfv[1]->invec)));
368          n = 0;                                  /* count migrating particles */
# Line 406 | Line 405 | advect_rbf(const FVECT invec)
405                  rad1j = R2ANG(rbf1j->crad);
406                  srad2 = (1.-s)*(1.-t)*rad0i*rad0i + s*(1.-t)*rad1j*rad1j;
407                  ovec_from_pos(v1, rbf1j->gx, rbf1j->gy);
408 <                geodesic(v1, v0, v1, s*s_full, GEOD_RAD);
408 >                geodesic(v1, v0, v1, s, GEOD_REL);
409                  for (k = 0; k < mtx_ncols(miga[2]); k++) {
410                      float               mb = mtx_coef(miga[1],j,k);
411                      float               mc = mtx_coef(miga[2],i,k);

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