lux::InfiniteAreaLightIS Class Reference

#include <infinitesample.h>

Inheritance diagram for lux::InfiniteAreaLightIS:

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Collaboration diagram for lux::InfiniteAreaLightIS:

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List of all members.

Public Member Functions
	InfiniteAreaLightIS (const Transform &light2world, const RGBColor &power, int ns, const string &texmap)
virtual	~InfiniteAreaLightIS ()
virtual SWCSpectrum	Power (const TsPack *tspack, const Scene *scene) const
virtual bool	IsDeltaLight () const
virtual bool	IsEnvironmental () const
virtual SWCSpectrum	Le (const TsPack *tspack, const RayDifferential &r) const
virtual SWCSpectrum	Sample_L (const TsPack *tspack, const Point &p, float u1, float u2, float u3, Vector *wi, float *pdf, VisibilityTester *visibility) const
virtual SWCSpectrum	Sample_L (const TsPack *tspack, const Scene *scene, float u1, float u2, float u3, float u4, Ray *ray, float *pdf) const
virtual float	Pdf (const Point &, const Vector &) const
virtual float	Pdf (const Point &p, const Normal &n, const Point &po, const Normal &ns) const
Static Public Member Functions
static Light *	CreateLight (const Transform &light2world, const ParamSet &paramSet, const TextureParams &tp)
Private Attributes
RGBColor	Lbase
MIPMap< RGBColor > *	radianceMap
Distribution1D *	uDistrib
Distribution1D **	vDistribs

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Detailed Description

Definition at line 34 of file infinitesample.h.

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Constructor & Destructor Documentation

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

Definition at line 39 of file infinitesample.cpp.

References M_PI, cimg_library::cimg::max(), lux::ReadImage(), and cimg_library::sin().

Referenced by CreateLight().

InfiniteAreaLightIS::~InfiniteAreaLightIS

(

)

[virtual]

Definition at line 35 of file infinitesample.cpp.

References radianceMap.

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Member Function Documentation

Light * InfiniteAreaLightIS::CreateLight	(	const Transform &	light2world,
		const ParamSet &	paramSet,
		const TextureParams &	tp
	)			[static]

Definition at line 170 of file infinitesample.cpp.

References lux::ParamSet::FindOneInt(), lux::ParamSet::FindOneRGBColor(), lux::ParamSet::FindOneString(), InfiniteAreaLightIS(), and lux::Light::nSamples.

virtual bool lux::InfiniteAreaLightIS::IsDeltaLight

(

)

const [inline, virtual]

Implements lux::Light.

Definition at line 48 of file infinitesample.h.

virtual bool lux::InfiniteAreaLightIS::IsEnvironmental

(

)

const [inline, virtual]

Implements lux::Light.

Definition at line 49 of file infinitesample.h.

SWCSpectrum InfiniteAreaLightIS::Le	(	const TsPack *	tspack,
		const RayDifferential &	r
	)			const [virtual]

Reimplemented from lux::Light.

Definition at line 88 of file infinitesample.cpp.

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

Referenced by Sample_L().

float InfiniteAreaLightIS::Pdf	(	const Point &	p,
		const Normal &	n,
		const Point &	po,
		const Normal &	ns
	)			const [virtual]

Implements lux::Light.

Definition at line 134 of file infinitesample.cpp.

References lux::AbsDot(), Clamp(), lux::Distribution1D::count, lux::DistanceSquared(), Float2Int(), lux::Distribution1D::func, lux::Distribution1D::funcInt, INV_PI, INV_TWOPI, M_PI, lux::Normalize(), cimg_library::sin(), lux::SphericalPhi(), lux::SphericalTheta(), uDistrib, vDistribs, and lux::Light::WorldToLight.

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

Implements lux::Light.

Definition at line 122 of file infinitesample.cpp.

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

virtual SWCSpectrum lux::InfiniteAreaLightIS::Power	(	const TsPack *	tspack,
		const Scene *	scene
	)			const [inline, virtual]

Implements lux::Light.

Definition at line 40 of file infinitesample.h.

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

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

Implements lux::Light.

Definition at line 147 of file infinitesample.cpp.

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

SWCSpectrum InfiniteAreaLightIS::Sample_L	(	const TsPack *	tspack,
		const Point &	p,
		float	u1,
		float	u2,
		float	u3,
		Vector *	wi,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Implements lux::Light.

Definition at line 100 of file infinitesample.cpp.

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

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Member Data Documentation

RGBColor lux::InfiniteAreaLightIS::Lbase [private]

Definition at line 64 of file infinitesample.h.

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

MIPMap<RGBColor>* lux::InfiniteAreaLightIS::radianceMap [private]

Definition at line 65 of file infinitesample.h.

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

Distribution1D* lux::InfiniteAreaLightIS::uDistrib [private]

Definition at line 66 of file infinitesample.h.

Referenced by Pdf(), and Sample_L().

Distribution1D ** lux::InfiniteAreaLightIS::vDistribs [private]

Definition at line 66 of file infinitesample.h.

Referenced by Pdf(), and Sample_L().

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

• infinitesample.h
• infinitesample.cpp