RixPhotonGuiding Class Reference

#include <RixPhotonGuiding.h>

Classes
class	BoundingBoxProjection

Public Member Functions
PRMAN_INLINE	RixPhotonGuiding (float probability)
PRMAN_INLINE void	setBoundingBox (const RtBBox &boundingBox, float enlarge=0.1f)
PRMAN_INLINE const RtBBox &	getBoundingBox () const
PRMAN_INLINE float	samplingPdf () const
PRMAN_INLINE bool	isEnabled () const
PRMAN_INLINE bool	pickPhotonGuiding (float &sample) const
PRMAN_INLINE bool	canSample (const RtPoint3 &origin, const RtNormal3 &normal, bool onesided) const
PRMAN_INLINE bool	canSample (const RtPoint3 &origin) const
PRMAN_INLINE void	sampleDirection (const RtPoint3 &origin, const RtNormal3 &normal, const BoundingBoxProjection &bbp, float samplex, float sampley, RtVector3 &direction, float &cosTheta, float &pdf) const
PRMAN_INLINE float	directionPdf (const RtPoint3 &origin, const BoundingBoxProjection &bbp, const RtVector3 &direction) const
PRMAN_INLINE void	samplePosition (const BoundingBoxProjection &bbp, float samplex, float sampley, RtPoint3 &position, float &pdf) const
PRMAN_INLINE float	positionPdf (const RtPoint3 &position, const BoundingBoxProjection &bbp) const
PRMAN_INLINE float	MISAreaLightPdf (const RtPoint3 &position, const RtNormal3 &normal, const RtVector3 &direction, bool onesided, float dirPdf) const
PRMAN_INLINE float	MISEnvLightPdf (const RtVector3 &dirToEnv, const RtPoint3 &posInScene, const RtPoint3 &center, float radius, float posPdf) const

Static Public Member Functions
static PRMAN_INLINE void	computeOrthonormalBasis (RtVector3 &n, RtVector3 &s, RtVector3 &t)

Constructor & Destructor Documentation

PRMAN_INLINE RixPhotonGuiding::RixPhotonGuiding

(

float

probability)

Member Function Documentation

PRMAN_INLINE bool RixPhotonGuiding::canSample	(	const RtPoint3 &	origin,
		const RtNormal3 &	normal,
		bool	onesided
	)		const

Referenced by MISAreaLightPdf(), and MISEnvLightPdf().

PRMAN_INLINE bool RixPhotonGuiding::canSample

(

const RtPoint3 &

origin)

const

PRMAN_INLINE void RixPhotonGuiding::computeOrthonormalBasis ( RtVector3 &  n, RtVector3 &  s, RtVector3 &  t  )

static

Referenced by RixPhotonGuiding::BoundingBoxProjection::computeProjection(), and MISEnvLightPdf().

PRMAN_INLINE float RixPhotonGuiding::directionPdf	(	const RtPoint3 &	origin,
		const BoundingBoxProjection &	bbp,
		const RtVector3 &	direction
	)		const

References RixPhotonGuiding::BoundingBoxProjection::getPositionOnPlane(), RixPhotonGuiding::BoundingBoxProjection::isPositionOnPlane(), RixPhotonGuiding::BoundingBoxProjection::m_c, RixPhotonGuiding::BoundingBoxProjection::m_d, RixPhotonGuiding::BoundingBoxProjection::m_n, RixPhotonGuiding::BoundingBoxProjection::m_s, RixPhotonGuiding::BoundingBoxProjection::m_t, and RixPhotonGuiding::BoundingBoxProjection::projectionArea().

Referenced by MISAreaLightPdf().

PRMAN_INLINE const RtBBox & RixPhotonGuiding::getBoundingBox

(

)

const

PRMAN_INLINE bool RixPhotonGuiding::isEnabled

(

)

const

Referenced by MISAreaLightPdf(), and MISEnvLightPdf().

PRMAN_INLINE float RixPhotonGuiding::MISAreaLightPdf	(	const RtPoint3 &	position,
		const RtNormal3 &	normal,
		const RtVector3 &	direction,
		bool	onesided,
		float	dirPdf
	)		const

References canSample(), RixPhotonGuiding::BoundingBoxProjection::computeProjection(), directionPdf(), isEnabled(), and samplingPdf().

PRMAN_INLINE float RixPhotonGuiding::MISEnvLightPdf	(	const RtVector3 &	dirToEnv,
		const RtPoint3 &	posInScene,
		const RtPoint3 &	center,
		float	radius,
		float	posPdf
	)		const

References canSample(), computeOrthonormalBasis(), RixPhotonGuiding::BoundingBoxProjection::computeProjection(), isEnabled(), RixPhotonGuiding::BoundingBoxProjection::m_d, RixPhotonGuiding::BoundingBoxProjection::m_n, positionPdf(), and samplingPdf().

PRMAN_INLINE bool RixPhotonGuiding::pickPhotonGuiding

(

float &

sample)

const

PRMAN_INLINE float RixPhotonGuiding::positionPdf	(	const RtPoint3 &	position,
		const BoundingBoxProjection &	bbp
	)		const

References RixPhotonGuiding::BoundingBoxProjection::isPositionOnPlane(), RixPhotonGuiding::BoundingBoxProjection::m_c, RixPhotonGuiding::BoundingBoxProjection::m_n, RixPhotonGuiding::BoundingBoxProjection::m_s, RixPhotonGuiding::BoundingBoxProjection::m_t, and RixPhotonGuiding::BoundingBoxProjection::projectionArea().

Referenced by MISEnvLightPdf().

PRMAN_INLINE void RixPhotonGuiding::sampleDirection	(	const RtPoint3 &	origin,
		const RtNormal3 &	normal,
		const BoundingBoxProjection &	bbp,
		float	samplex,
		float	sampley,
		RtVector3 &	direction,
		float &	cosTheta,
		float &	pdf
	)		const

References RixPhotonGuiding::BoundingBoxProjection::generatePositionOnPlane(), RixPhotonGuiding::BoundingBoxProjection::m_n, and RixPhotonGuiding::BoundingBoxProjection::projectionArea().

PRMAN_INLINE void RixPhotonGuiding::samplePosition	(	const BoundingBoxProjection &	bbp,
		float	samplex,
		float	sampley,
		RtPoint3 &	position,
		float &	pdf
	)		const

References RixPhotonGuiding::BoundingBoxProjection::generatePositionOnPlane(), and RixPhotonGuiding::BoundingBoxProjection::projectionArea().

PRMAN_INLINE float RixPhotonGuiding::samplingPdf

(

)

const

Referenced by MISAreaLightPdf(), and MISEnvLightPdf().

PRMAN_INLINE void RixPhotonGuiding::setBoundingBox	(	const RtBBox &	boundingBox,
		float	enlarge = 0.1f
	)

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

• RixPhotonGuiding.h