CameraModule

Detailed Description

This module defines a basic camera model

Classes
struct	Camera
struct	CameraSampler

Functions
FERMAT_HOST_DEVICE void	camera_frame (cugar::Vector3f eye, cugar::Vector3f lookat, cugar::Vector3f up, float hfov, float aspect_ratio, cugar::Vector3f &U, cugar::Vector3f &V, cugar::Vector3f &W)
FERMAT_HOST_DEVICE void	camera_frame (const Camera camera, float aspect_ratio, cugar::Vector3f &U, cugar::Vector3f &V, cugar::Vector3f &W)
FERMAT_HOST_DEVICE cugar::Vector3f	sample_camera_direction (const cugar::Vector2f ndc, const cugar::Vector3f U, const cugar::Vector3f V, const cugar::Vector3f W)
FERMAT_HOST_DEVICE cugar::Vector2f	invert_camera_sampler (const cugar::Vector3f &U, const cugar::Vector3f &V, const cugar::Vector3f &W, const float W_len, const cugar::Vector3f out)
FERMAT_HOST_DEVICE float	camera_direction_pdf (const cugar::Vector3f &U, const cugar::Vector3f &V, const cugar::Vector3f &W, const float W_len, const float square_focal_length, const cugar::Vector3f out, float *out_x=0, float *out_y=0)
FERMAT_HOST_DEVICE float	camera_direction_pdf (const cugar::Vector3f &U, const cugar::Vector3f &V, const cugar::Vector3f &W, const float W_len, const float square_focal_length, const cugar::Vector3f out, bool projected=false)

Function Documentation

camera_direction_pdf() [1/2]

FERMAT_HOST_DEVICE float camera_direction_pdf ( const cugar::Vector3f &  U, const cugar::Vector3f &  V, const cugar::Vector3f &  W, const float  W_len, const float  square_focal_length, const cugar::Vector3f  out, float *  out_x = 0, float *  out_y = 0  )

inline

Compute the solid angle pdf of the camera direction sampler

camera_direction_pdf() [2/2]

FERMAT_HOST_DEVICE float camera_direction_pdf ( const cugar::Vector3f &  U, const cugar::Vector3f &  V, const cugar::Vector3f &  W, const float  W_len, const float  square_focal_length, const cugar::Vector3f  out, bool  projected = false  )

inline

Compute the solid angle pdf of the camera direction sampler

camera_frame() [1/2]

FERMAT_HOST_DEVICE void camera_frame ( cugar::Vector3f  eye, cugar::Vector3f  lookat, cugar::Vector3f  up, float  hfov, float  aspect_ratio, cugar::Vector3f &  U, cugar::Vector3f &  V, cugar::Vector3f &  W  )

inline

Compute the camera frame

camera_frame() [2/2]

FERMAT_HOST_DEVICE void camera_frame ( const Camera  camera, float  aspect_ratio, cugar::Vector3f &  U, cugar::Vector3f &  V, cugar::Vector3f &  W  )

inline

Compute the camera frame

invert_camera_sampler()

FERMAT_HOST_DEVICE cugar::Vector2f invert_camera_sampler ( const cugar::Vector3f &  U, const cugar::Vector3f &  V, const cugar::Vector3f &  W, const float  W_len, const cugar::Vector3f  out  )

inline

Invert the camera direction sampler

sample_camera_direction()

FERMAT_HOST_DEVICE cugar::Vector3f sample_camera_direction ( const cugar::Vector2f  ndc, const cugar::Vector3f  U, const cugar::Vector3f  V, const cugar::Vector3f  W  )

inline

Sample a direction from the camera frame