cugar::SH_basis< L > Struct Template Reference

Detailed description

template<int32 L>
struct cugar::SH_basis< L >

Spherical harmonics basis functions of order L

#include <sh.h>

Static Public Methods
template<typename Vector3 >
static CUGAR_HOST_DEVICE float	eval (const int32 i, const Vector3 &d)
static CUGAR_HOST_DEVICE void	clamped_cosine (const Vector3f &normal, const float w, float *coeffs)
static CUGAR_HOST_DEVICE void	constant (float k, float *coeffs)
static CUGAR_HOST_DEVICE float	integral (const float *coeffs)
template<typename Vector_type >
static CUGAR_HOST_DEVICE float	integral (const Vector_type &coeffs)
static CUGAR_HOST_DEVICE void	solve (float *coeffs)

Static Public Members
static const int32	ORDER = L
static const int32	COEFFS = L*L

Member Function Documentation

clamped_cosine()

template<int32 L>

CUGAR_HOST_DEVICE void cugar::SH_basis< L >::clamped_cosine ( const Vector3f &  normal, const float  w, float *  coeffs  )

static

add a weighted basis expansion of a clamped cosine lobe to a given set of coefficients

Parameters

normal	input normal
w	scalar weight
coeffs	input/output coefficients

constant()

template<int32 L>

CUGAR_HOST_DEVICE void cugar::SH_basis< L >::constant ( float  k, float *  coeffs  )

static

return the basis expansion of a constant

Parameters

k	input constant
coeffs	output coefficients

eval()

template<int32 L>

template<typename Vector3 >

CUGAR_HOST_DEVICE float cugar::SH_basis< L >::eval ( const int32  i, const Vector3 &  d  )

static

evaluate the i-th coefficient at a given point

Parameters

i	coefficient index
d	direction vector

integral() [1/2]

template<int32 L>

static CUGAR_HOST_DEVICE float cugar::SH_basis< L >::integral ( const float *  coeffs )

inlinestatic

return the integral of a spherical hamonics function

integral() [2/2]

template<int32 L>

template<typename Vector_type >

static CUGAR_HOST_DEVICE float cugar::SH_basis< L >::integral ( const Vector_type &  coeffs )

inlinestatic

return the integral of a spherical hamonics function

solve()

template<int32 L>

static CUGAR_HOST_DEVICE void cugar::SH_basis< L >::solve ( float *  coeffs )

inlinestatic

solve the linear least squares projection for a set of coefficients

Parameters

coeffs

input projection coefficients

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

• C:/p4research/research/jpantaleoni/Fermat-Public/contrib/cugar/spherical/sh.h
• C:/p4research/research/jpantaleoni/Fermat-Public/contrib/cugar/spherical/sh_inline.h