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root/radiance/ray/src/common/bsdf_m.c
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Comparing ray/src/common/bsdf_m.c (file contents):
Revision 3.42 by greg, Sat Mar 27 20:08:30 2021 UTC vs.
Revision 3.45 by greg, Tue Jan 25 01:34:20 2022 UTC

# Line 171 | Line 171 | fo_getndx(const FVECT v, void *p)
171  
172          if (v == NULL)
173                  return -1;
174 <        if ((v[2] < 0) | (v[2] > 1.))
174 >        if ((v[2] < 0) | (v[2] > 1.00001))
175                  return -1;
176          pol = 180.0/M_PI*Acos(v[2]);
177          azi = 180.0/M_PI*atan2(v[1], v[0]);
# Line 295 | Line 295 | int
295   mBSDF_color(float coef[], const SDMat *dp, int i, int o)
296   {
297          C_COLOR cxy;
298 +        double  d;
299  
300          coef[0] = mBSDF_value(dp, o, i);
301 +                                /* position-specific perturbation */
302 +        d = 2*dp->ninc/(i + .22545) + 4*dp->nout/(o + .70281);
303 +        d -= (int)d;
304 +        coef[0] *= 1. + 6e-4*(d - .5);
305          if (dp->chroma == NULL)
306                  return 1;       /* grayscale */
307  
# Line 722 | Line 727 | SDloadMtx(SDData *sd, ezxml_t wtl)
727  
728   /* Get Matrix BSDF value */
729   static int
730 < SDgetMtxBSDF(float coef[SDmaxCh], const FVECT outVec,
731 <                                const FVECT inVec, SDComponent *sdc)
730 > SDgetMtxBSDF(float coef[SDmaxCh], const FVECT inVec,
731 >                                const FVECT outVec, SDComponent *sdc)
732   {
733          const SDMat     *dp;
734          int             i_ndx, o_ndx;

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