GonioPhotometricLight Class Reference

#include <goniometric.h>

Inheritance diagram for GonioPhotometricLight:

List of all members.

Public Member Functions
	GonioPhotometricLight (const Transform &light2world, const Spectrum &, const string &texname)
Spectrum	Sample_L (const Point &p, float pEpsilon, const LightSample &ls, float time, Vector *wi, float *pdf, VisibilityTester *vis) const
	~GonioPhotometricLight ()
bool	IsDeltaLight () const
Spectrum	Scale (const Vector &w) const
Spectrum	Power (const Scene *) const
Spectrum	Sample_L (const Scene *scene, const LightSample &ls, float u1, float u2, float time, Ray *ray, Normal *Ns, float *pdf) const
float	Pdf (const Point &, const Vector &) const
Private Attributes
Point	lightPos
Spectrum	Intensity
MIPMap< RGBSpectrum > *	mipmap

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Detailed Description

Definition at line 39 of file goniometric.h.

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Constructor & Destructor Documentation

GonioPhotometricLight::GonioPhotometricLight	(	const Transform &	light2world,
		const Spectrum &	intensity,
		const string &	texname
	)

Definition at line 42 of file goniometric.cpp.

References Intensity, lightPos, Light::LightToWorld, mipmap, and ReadImage().

GonioPhotometricLight::~GonioPhotometricLight

(

)

[inline]

Definition at line 46 of file goniometric.h.

References mipmap.

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Member Function Documentation

bool GonioPhotometricLight::IsDeltaLight

(

)

const [inline, virtual]

Implements Light.

Definition at line 47 of file goniometric.h.

float GonioPhotometricLight::Pdf	(	const Point &	,
		const Vector &
	)			const [virtual]

Implements Light.

Definition at line 82 of file goniometric.cpp.

Spectrum GonioPhotometricLight::Power

(

const Scene *

)

const [virtual]

Implements Light.

Definition at line 58 of file goniometric.cpp.

References Intensity, MIPMap< T >::Lookup(), M_PI, mipmap, and SPECTRUM_ILLUMINANT.

Spectrum GonioPhotometricLight::Sample_L	(	const Scene *	scene,
		const LightSample &	ls,
		float	u1,
		float	u2,
		float	time,
		Ray *	ray,
		Normal *	Ns,
		float *	pdf
	)			const [virtual]

Implements Light.

Definition at line 73 of file goniometric.cpp.

References Ray::d, INFINITY, Intensity, lightPos, Scale(), UniformSampleSphere(), UniformSpherePdf(), and LightSample::uPos.

Spectrum GonioPhotometricLight::Sample_L	(	const Point &	p,
		float	pEpsilon,
		const LightSample &	ls,
		float	time,
		Vector *	wi,
		float *	pdf,
		VisibilityTester *	vis
	)			const [virtual]

Implements Light.

Definition at line 33 of file goniometric.cpp.

References DistanceSquared(), Intensity, lightPos, Normalize(), Scale(), and VisibilityTester::SetSegment().

Spectrum GonioPhotometricLight::Scale

(

const Vector &

w

)

const [inline]

Definition at line 48 of file goniometric.h.

References INV_PI, INV_TWOPI, MIPMap< T >::Lookup(), mipmap, Normalize(), SPECTRUM_ILLUMINANT, SphericalPhi(), SphericalTheta(), Light::WorldToLight, Vector::y, and Vector::z.

Referenced by Sample_L().

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Member Data Documentation

Spectrum GonioPhotometricLight::Intensity [private]

Definition at line 64 of file goniometric.h.

Referenced by GonioPhotometricLight(), Power(), and Sample_L().

Point GonioPhotometricLight::lightPos [private]

Definition at line 63 of file goniometric.h.

Referenced by GonioPhotometricLight(), and Sample_L().

MIPMap<RGBSpectrum>* GonioPhotometricLight::mipmap [private]

Definition at line 65 of file goniometric.h.

Referenced by GonioPhotometricLight(), Power(), Scale(), and ~GonioPhotometricLight().

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The documentation for this class was generated from the following files:

• goniometric.h
• goniometric.cpp