InfiniteAreaLight Class Reference

Inheritance diagram for InfiniteAreaLight:

List of all members.

Public Member Functions
	InfiniteAreaLight (const Transform &light2world, const Spectrum &power, int ns, const string &texmap)
	~InfiniteAreaLight ()
Spectrum	Power (const Scene *scene) const
bool	IsDeltaLight () const
Spectrum	Le (const RayDifferential &r) const
Spectrum	Sample_L (const Point &p, const Normal &n, float u1, float u2, Vector *wi, float *pdf, VisibilityTester *visibility) const
Spectrum	Sample_L (const Point &p, float u1, float u2, Vector *wi, float *pdf, VisibilityTester *visibility) const
Spectrum	Sample_L (const Scene *scene, float u1, float u2, float u3, float u4, Ray *ray, float *pdf) const
float	Pdf (const Point &, const Normal &, const Vector &) const
float	Pdf (const Point &, const Vector &) const
Spectrum	Sample_L (const Point &P, Vector *w, VisibilityTester *visibility) const
Private Attributes
Spectrum	Lbase
MIPMap< Spectrum > *	radianceMap

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Detailed Description

Definition at line 32 of file infinite.cpp.

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Constructor & Destructor Documentation

InfiniteAreaLight::InfiniteAreaLight	(	const Transform &	light2world,
		const Spectrum &	power,
		int	ns,
		const string &	texmap
	)

Definition at line 67 of file infinite.cpp.

References Lbase, radianceMap, and ReadImage().

Referenced by CreateLight().

InfiniteAreaLight::~InfiniteAreaLight

(

)

Definition at line 63 of file infinite.cpp.

References radianceMap.

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Member Function Documentation

Spectrum InfiniteAreaLight::Power

(

const Scene *

scene

)

const [inline, virtual]

Implements Light.

Definition at line 37 of file infinite.cpp.

References BBox::BoundingSphere(), Lbase, MIPMap< T >::Lookup(), M_PI, radianceMap, and Scene::WorldBound().

bool InfiniteAreaLight::IsDeltaLight

(

)

const [inline, virtual]

Implements Light.

Definition at line 45 of file infinite.cpp.

Spectrum InfiniteAreaLight::Le

(

const RayDifferential &

r

)

const [virtual]

Reimplemented from Light.

Definition at line 84 of file infinite.cpp.

References Ray::d, INV_PI, INV_TWOPI, Lbase, MIPMap< T >::Lookup(), Normalize(), radianceMap, SphericalPhi(), SphericalTheta(), and Light::WorldToLight.

Referenced by Sample_L().

Spectrum InfiniteAreaLight::Sample_L	(	const Point &	p,
		const Normal &	n,
		float	u1,
		float	u2,
		Vector *	wi,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Reimplemented from Light.

Definition at line 96 of file infinite.cpp.

References ConcentricSampleDisk(), CoordinateSystem(), INV_TWOPI, Le(), Normalize(), RandomFloat(), VisibilityTester::SetRay(), Normal::x, Vector::x, Normal::y, Vector::y, Normal::z, and Vector::z.

Referenced by Sample_L().

Spectrum InfiniteAreaLight::Sample_L	(	const Point &	p,
		float	u1,
		float	u2,
		Vector *	wi,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Implements Light.

Definition at line 121 of file infinite.cpp.

References Le(), VisibilityTester::SetRay(), UniformSampleSphere(), and UniformSpherePdf().

Spectrum InfiniteAreaLight::Sample_L	(	const Scene *	scene,
		float	u1,
		float	u2,
		float	u3,
		float	u4,
		Ray *	ray,
		float *	pdf
	)			const [virtual]

Implements Light.

Definition at line 132 of file infinite.cpp.

References AbsDot(), BBox::BoundingSphere(), Ray::d, Le(), M_PI, Normalize(), Ray::o, UniformSampleSphere(), and Scene::WorldBound().

float InfiniteAreaLight::Pdf	(	const Point &	,
		const Normal &	n,
		const Vector &	wi
	)			const [virtual]

Reimplemented from Light.

Definition at line 117 of file infinite.cpp.

References AbsDot(), and INV_TWOPI.

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

Implements Light.

Definition at line 129 of file infinite.cpp.

References M_PI.

Spectrum InfiniteAreaLight::Sample_L	(	const Point &	P,
		Vector *	w,
		VisibilityTester *	visibility
	)			const [virtual]

Implements Light.

Definition at line 155 of file infinite.cpp.

References RandomFloat(), and Sample_L().

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Member Data Documentation

Spectrum InfiniteAreaLight::Lbase [private]

Definition at line 59 of file infinite.cpp.

Referenced by InfiniteAreaLight(), Le(), and Power().

MIPMap<Spectrum>* InfiniteAreaLight::radianceMap [private]

Definition at line 60 of file infinite.cpp.

Referenced by InfiniteAreaLight(), Le(), Power(), and ~InfiniteAreaLight().

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

• infinite.cpp