volume.cpp File Reference

#include "stdafx.h"
#include "volume.h"

Go to the source code of this file.

Classes
struct	MeasuredSS
Functions
static float	RdIntegral (float alphap, float A)
static float	RdToAlphap (float reflectance, float A)
float	PhaseIsotropic (const Vector &, const Vector &)
float	PhaseRayleigh (const Vector &w, const Vector &wp)
float	PhaseMieHazy (const Vector &w, const Vector &wp)
float	PhaseMieMurky (const Vector &w, const Vector &wp)
float	PhaseHG (const Vector &w, const Vector &wp, float g)
float	PhaseSchlick (const Vector &w, const Vector &wp, float g)
bool	GetVolumeScatteringProperties (const string &name, Spectrum *sigma_a, Spectrum *sigma_prime_s)
void	SubsurfaceFromDiffuse (const Spectrum &Kd, float meanPathLength, float eta, Spectrum *sigma_a, Spectrum *sigma_prime_s)
Variables
static MeasuredSS	mss []

---

Function Documentation

bool GetVolumeScatteringProperties	(	const string &	name,
		Spectrum *	sigma_a,
		Spectrum *	sigma_prime_s
	)

Definition at line 253 of file volume.cpp.

References RGBSpectrum::FromRGB().

Referenced by CreateSubsurfaceMaterial().

float PhaseHG	(	const Vector &	w,
		const Vector &	wp,
		float	g
	)

Definition at line 142 of file volume.cpp.

References Dot(), and M_PI.

Referenced by HGPdf(), DensityRegion::p(), and HomogeneousVolumeDensity::p().

float PhaseIsotropic	(	const Vector &	,
		const Vector &
	)

Definition at line 119 of file volume.cpp.

References M_PI.

float PhaseMieHazy	(	const Vector &	w,
		const Vector &	wp
	)

Definition at line 130 of file volume.cpp.

References Dot(), and M_PI.

float PhaseMieMurky	(	const Vector &	w,
		const Vector &	wp
	)

Definition at line 136 of file volume.cpp.

References Dot(), and M_PI.

float PhaseRayleigh	(	const Vector &	w,
		const Vector &	wp
	)

Definition at line 124 of file volume.cpp.

References Dot(), and M_PI.

float PhaseSchlick	(	const Vector &	w,
		const Vector &	wp,
		float	g
	)

Definition at line 149 of file volume.cpp.

References Dot(), and M_PI.

static float RdIntegral	(	float	alphap,
		float	A
	)			[static]

Definition at line 95 of file volume.cpp.

Referenced by RdToAlphap().

static float RdToAlphap	(	float	reflectance,
		float	A
	)			[static]

Definition at line 102 of file volume.cpp.

References Assert, and RdIntegral().

Referenced by SubsurfaceFromDiffuse().

void SubsurfaceFromDiffuse	(	const Spectrum &	Kd,
		float	meanPathLength,
		float	eta,
		Spectrum *	sigma_a,
		Spectrum *	sigma_prime_s
	)

Definition at line 266 of file volume.cpp.

References Fdr(), RGBSpectrum::FromRGB(), RdToAlphap(), and RGBSpectrum::ToRGB().

Referenced by KdSubsurfaceMaterial::GetBSSRDF().

---

Variable Documentation

MeasuredSS mss[] [static]

Definition at line 36 of file volume.cpp.