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root/radiance/ray/src/common/bsdf.h
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Comparing ray/src/common/bsdf.h (file contents):
Revision 2.27 by greg, Thu May 14 19:20:13 2020 UTC vs.
Revision 2.30 by greg, Mon Dec 13 21:05:00 2021 UTC

# Line 86 | Line 86 | typedef struct SDComp_s        SDComponent;
86   /* Methods needed to handle BSDF components (nothing is optional) */
87   typedef struct {
88                                          /* return non-diffuse BSDF */
89 <        int             (*getBSDFs)(float coef[SDmaxCh], const FVECT outVec,
90 <                                    const FVECT inVec, SDComponent *sdc);
89 >        int             (*getBSDFs)(float coef[SDmaxCh], const FVECT inVec,
90 >                                    const FVECT outVec, SDComponent *sdc);
91                                          /* query non-diffuse PSA for vector */
92          SDError         (*queryProjSA)(double *psa, const FVECT v1,
93                                                  const RREAL *v2, int qflags,
# Line 126 | Line 126 | typedef struct {
126          double          dim[3];         /* width, height, thickness (meters) */
127          SDValue         rLambFront;     /* diffuse front reflectance */
128          SDValue         rLambBack;      /* diffuse rear reflectance */
129 <        SDValue         tLamb;          /* diffuse transmission */
129 >        SDValue         tLambFront;     /* diffuse front transmittance */
130 >        SDValue         tLambBack;      /* diffuse back transmittance */
131          SDSpectralDF    *rf, *rb;       /* non-diffuse BRDF components */
132          SDSpectralDF    *tf, *tb;       /* non-diffuse BTDF components */
133   } SDData;
# Line 190 | Line 191 | extern SDError         SDsampComponent(SDValue *sv, FVECT ioV
191   /* Convert 1-dimensional random variable to N-dimensional */
192   extern void             SDmultiSamp(double t[], int n, double randX);
193  
193 – /* Map a [0,1]^2 square to a unit radius disk */
194 – extern void             SDsquare2disk(double ds[2], double seedx, double seedy);
195 –
196 – /* Map point on unit disk to a unit square in [0,1]^2 range */
197 – extern void             SDdisk2square(double sq[2], double diskx, double disky);
198 –
194   /*****************************************************************
195   * The calls below are the ones most applications require.
196   * All directions are assumed to be unit vectors.
# Line 214 | Line 209 | extern SDError         SDsizeBSDF(double *projSA, const FVECT
209                                          const SDData *sd);
210  
211   /* Return BSDF for the given incident and scattered ray vectors */
212 < extern SDError          SDevalBSDF(SDValue *sv, const FVECT outVec,
213 <                                        const FVECT inVec, const SDData *sd);
212 > extern SDError          SDevalBSDF(SDValue *sv, const FVECT inVec,
213 >                                        const FVECT outVec, const SDData *sd);
214  
215   /* Compute directional hemispherical scattering at given incident angle */
216   extern double           SDdirectHemi(const FVECT inVec,

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