CameraSampler Struct Reference

Detailed description

A sampler for the pinhole camera model

#include <camera.h>

Public Methods
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE	CameraSampler ()
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE	CameraSampler (const Camera &camera, const float aspect_ratio)
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector3f	sample_direction (const cugar::Vector2f ndc) const
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE float	pdf (const cugar::Vector3f out, const bool projected=false) const
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE float	W_e (const cugar::Vector3f out) const
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector2f	invert (const cugar::Vector3f out) const
FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector2f	invert (const cugar::Vector3f out, float *pdf_proj) const

Public Members
cugar::Vector3f	U
cugar::Vector3f	V
cugar::Vector3f	W
float	W_len
float	square_focal_length

Constructor & Destructor Documentation

CameraSampler() [1/2]

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE CameraSampler::CameraSampler ( )

inline

empty constructor

CameraSampler() [2/2]

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE CameraSampler::CameraSampler ( const Camera &  camera, const float  aspect_ratio  )

inline

constructor

Member Function Documentation

invert() [1/2]

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector2f CameraSampler::invert ( const cugar::Vector3f  out ) const

inline

invert the camera direction sampler

Parameters

out	the given direction
projected	whether to return the pdf in projected solid angle or solid angle measure

Returns

the NDC coordinates corresponding to the given direction

invert() [2/2]

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector2f CameraSampler::invert ( const cugar::Vector3f  out, float *  pdf_proj  ) const

inline

invert the camera direction sampler and compute its projected pdf

Parameters

out	the given direction
projected	whether to return the pdf in projected solid angle or solid angle measure

Returns

the NDC coordinates corresponding to the given direction

pdf()

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE float CameraSampler::pdf ( const cugar::Vector3f  out, const bool  projected = false  ) const

inline

compute the direction pdf

sample_direction()

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE cugar::Vector3f CameraSampler::sample_direction ( const cugar::Vector2f  ndc ) const

inline

sample a direction from normalized device coordinates (NDC) in [0,1]^2

W_e()

FERMAT_HOST_DEVICE FERMAT_FORCEINLINE float CameraSampler::W_e ( const cugar::Vector3f  out ) const

inline

compute the importance

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

• C:/p4research/research/jpantaleoni/Fermat-Public/src/camera.h