InfiniteAreaLightIS Class Reference

Inheritance diagram for InfiniteAreaLightIS:

List of all members.

Public Member Functions
	InfiniteAreaLightIS (const Transform &light2world, const Spectrum &power, int ns, const string &texmap)
	~InfiniteAreaLightIS ()
Spectrum	Power (const Scene *scene) const
bool	IsDeltaLight () const
Spectrum	Le (const RayDifferential &r) 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 Vector &) const
Spectrum	Sample_L (const Point &P, Vector *w, VisibilityTester *visibility) const
Private Attributes
Spectrum	Lbase
MIPMap< Spectrum > *	radianceMap
Distribution1D *	uDistrib
Distribution1D **	vDistribs

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Detailed Description

Definition at line 58 of file infinitesample.cpp.

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Constructor & Destructor Documentation

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

Definition at line 93 of file infinitesample.cpp.

References Lbase, MIPMap< T >::Lookup(), M_PI, radianceMap, ReadImage(), uDistrib, vDistribs, and Spectrum::y().

Referenced by CreateLight().

InfiniteAreaLightIS::~InfiniteAreaLightIS

(

)

Definition at line 89 of file infinitesample.cpp.

References radianceMap.

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Member Function Documentation

Spectrum InfiniteAreaLightIS::Power

(

const Scene *

scene

)

const [inline, virtual]

Implements Light.

Definition at line 64 of file infinitesample.cpp.

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

bool InfiniteAreaLightIS::IsDeltaLight

(

)

const [inline, virtual]

Implements Light.

Definition at line 72 of file infinitesample.cpp.

Spectrum InfiniteAreaLightIS::Le

(

const RayDifferential &

r

)

const [virtual]

Reimplemented from Light.

Definition at line 139 of file infinitesample.cpp.

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

Referenced by Sample_L().

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

Implements Light.

Definition at line 151 of file infinitesample.cpp.

References Clamp(), Distribution1D::count, Float2Int(), Distribution1D::invCount, Lbase, Light::LightToWorld, MIPMap< T >::Lookup(), M_PI, radianceMap, Distribution1D::Sample(), VisibilityTester::SetRay(), uDistrib, and vDistribs.

Referenced by Sample_L().

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

Implements Light.

Definition at line 185 of file infinitesample.cpp.

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

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

Implements Light.

Definition at line 173 of file infinitesample.cpp.

References Clamp(), Distribution1D::count, Float2Int(), Distribution1D::func, Distribution1D::funcInt, INV_PI, INV_TWOPI, M_PI, SphericalPhi(), SphericalTheta(), uDistrib, vDistribs, and Light::WorldToLight.

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

Implements Light.

Definition at line 208 of file infinitesample.cpp.

References RandomFloat(), and Sample_L().

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Member Data Documentation

Spectrum InfiniteAreaLightIS::Lbase [private]

Definition at line 83 of file infinitesample.cpp.

Referenced by InfiniteAreaLightIS(), Le(), Power(), and Sample_L().

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

Definition at line 84 of file infinitesample.cpp.

Referenced by InfiniteAreaLightIS(), Le(), Power(), Sample_L(), and ~InfiniteAreaLightIS().

Distribution1D* InfiniteAreaLightIS::uDistrib [private]

Definition at line 85 of file infinitesample.cpp.

Referenced by InfiniteAreaLightIS(), Pdf(), and Sample_L().

Distribution1D ** InfiniteAreaLightIS::vDistribs [private]

Definition at line 85 of file infinitesample.cpp.

Referenced by InfiniteAreaLightIS(), Pdf(), and Sample_L().

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

• infinitesample.cpp