lux::ProjectionLight Class Reference

#include <projection.h>

Inheritance diagram for lux::ProjectionLight:

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Collaboration diagram for lux::ProjectionLight:

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List of all members.

Public Member Functions
	ProjectionLight (const Transform &light2world, const boost::shared_ptr< Texture< SWCSpectrum > > L, float gain, const string &texname, float fov)
virtual	~ProjectionLight ()
virtual bool	IsDeltaLight () const
virtual bool	IsEnvironmental () const
RGBColor	Projection (const Vector &w) const
virtual SWCSpectrum	Power (const TsPack *tspack, const Scene *) const
virtual SWCSpectrum	Sample_L (const TsPack *tspack, const Point &P, float u1, float u2, float u3, Vector *wo, 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
MIPMap< RGBColor > *	projectionMap
Point	lightPos
boost::shared_ptr< Texture < SWCSpectrum > >	Lbase
DifferentialGeometry	dummydg
float	gain
Transform	lightProjection
float	hither
float	yon
float	screenX0
float	screenX1
float	screenY0
float	screenY1
float	cosTotalWidth

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Detailed Description

Definition at line 33 of file projection.h.

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Constructor & Destructor Documentation

ProjectionLight::ProjectionLight	(	const Transform &	light2world,
		const boost::shared_ptr< Texture< SWCSpectrum > >	L,
		float	gain,
		const string &	texname,
		float	fov
	)

Definition at line 34 of file projection.cpp.

References cosTotalWidth, DEFAULT_EPSILON_STATIC, gain, hither, Lbase, lightPos, lightProjection, lux::Light::LightToWorld, lux::Perspective(), projectionMap, Radians(), lux::ReadImage(), screenX0, screenX1, screenY0, screenY1, and yon.

Referenced by CreateLight().

ProjectionLight::~ProjectionLight

(

)

[virtual]

Definition at line 72 of file projection.cpp.

References projectionMap.

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Member Function Documentation

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

Definition at line 110 of file projection.cpp.

References lux::ParamSet::FindOneFloat(), lux::ParamSet::FindOneString(), blender::g, lux::TextureParams::GetSWCSpectrumTexture(), and ProjectionLight().

virtual bool lux::ProjectionLight::IsDeltaLight

(

)

const [inline, virtual]

Implements lux::Light.

Definition at line 40 of file projection.h.

virtual bool lux::ProjectionLight::IsEnvironmental

(

)

const [inline, virtual]

Implements lux::Light.

Definition at line 41 of file projection.h.

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

Implements lux::Light.

Definition at line 105 of file projection.cpp.

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

Implements lux::Light.

Definition at line 102 of file projection.cpp.

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

Implements lux::Light.

Definition at line 43 of file projection.h.

References cosTotalWidth, dummydg, Lbase, lux::MIPMap< T >::Lookup(), M_PI, and projectionMap.

RGBColor ProjectionLight::Projection

(

const Vector &

w

)

const

Definition at line 73 of file projection.cpp.

References hither, lightProjection, lux::MIPMap< T >::Lookup(), projectionMap, screenX0, screenX1, screenY0, screenY1, lux::Light::WorldToLight, lux::Point::x, lux::Vector::x, lux::Point::y, lux::Vector::y, and lux::Vector::z.

Referenced by Sample_L().

SWCSpectrum ProjectionLight::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 94 of file projection.cpp.

References cosTotalWidth, lux::Ray::d, dummydg, gain, Lbase, lightPos, lux::Light::LightToWorld, lux::Ray::o, Projection(), lux::UniformConePdf(), and lux::UniformSampleCone().

SWCSpectrum ProjectionLight::Sample_L	(	const TsPack *	tspack,
		const Point &	P,
		float	u1,
		float	u2,
		float	u3,
		Vector *	wo,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Implements lux::Light.

Definition at line 86 of file projection.cpp.

References lux::DistanceSquared(), dummydg, gain, Lbase, lightPos, lux::Normalize(), Projection(), lux::VisibilityTester::SetSegment(), and lux::TsPack::time.

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Member Data Documentation

float lux::ProjectionLight::cosTotalWidth [private]

Definition at line 68 of file projection.h.

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

DifferentialGeometry lux::ProjectionLight::dummydg [private]

Definition at line 63 of file projection.h.

Referenced by Power(), and Sample_L().

float lux::ProjectionLight::gain [private]

Definition at line 64 of file projection.h.

Referenced by ProjectionLight(), and Sample_L().

float lux::ProjectionLight::hither [private]

Definition at line 66 of file projection.h.

Referenced by Projection(), and ProjectionLight().

boost::shared_ptr< Texture<SWCSpectrum> > lux::ProjectionLight::Lbase [private]

Definition at line 62 of file projection.h.

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

Point lux::ProjectionLight::lightPos [private]

Definition at line 61 of file projection.h.

Referenced by ProjectionLight(), and Sample_L().

Transform lux::ProjectionLight::lightProjection [private]

Definition at line 65 of file projection.h.

Referenced by Projection(), and ProjectionLight().

MIPMap<RGBColor>* lux::ProjectionLight::projectionMap [private]

Definition at line 60 of file projection.h.

Referenced by Power(), Projection(), ProjectionLight(), and ~ProjectionLight().

float lux::ProjectionLight::screenX0 [private]

Definition at line 67 of file projection.h.

Referenced by Projection(), and ProjectionLight().

float lux::ProjectionLight::screenX1 [private]

Definition at line 67 of file projection.h.

Referenced by Projection(), and ProjectionLight().

float lux::ProjectionLight::screenY0 [private]

Definition at line 67 of file projection.h.

Referenced by Projection(), and ProjectionLight().

float lux::ProjectionLight::screenY1 [private]

Definition at line 67 of file projection.h.

Referenced by Projection(), and ProjectionLight().

float lux::ProjectionLight::yon [private]

Definition at line 66 of file projection.h.

Referenced by ProjectionLight().

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

• projection.h
• projection.cpp