SampleFromVoxels< TreeOrAccT, 1, true > Class Template Reference

Template specialization with caching of stencil values. More...

#include <nanovdb/util/SampleFromVoxels.h>

Inherits TrilinearSampler< TreeOrAccT >.

Public Member Functions
	SampleFromVoxels (const TreeOrAccT &acc)
	Construction from a Tree or ReadAccessor. More...
template<typename RealT , template< typename... > class Vec3T>
ValueT	operator() (Vec3T< RealT > xyz) const
ValueT	operator() (const CoordT &ijk) const
template<typename RealT , template< typename... > class Vec3T>
Vec3T< ValueT >	gradient (Vec3T< RealT > xyz) const
	Return the gradient in index space. More...
template<typename RealT , template< typename... > class Vec3T>
bool	zeroCrossing (Vec3T< RealT > xyz) const
	Return true if the tr-linear stencil has a zero crossing at the specified index position. More...
bool	zeroCrossing () const
	Return true if the cached tri-linear stencil has a zero crossing. More...
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType	operator() (Vec3T< RealT > xyz) const
template<typename RealT , template< typename... > class Vec3T>
Vec3T< typename TreeOrAccT::ValueType >	gradient (Vec3T< RealT > xyz) const
const TreeOrAccT &	accessor () const
void	stencil (CoordT &ijk, ValueT(&v)[2][2][2]) const
	Extract the stencil of 8 values. More...
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType	sample (const Vec3T< RealT > &uvw, const ValueT(&v)[2][2][2])

Static Public Member Functions
template<typename RealT , template< typename... > class Vec3T>
static ValueT	sample (const Vec3T< RealT > &uvw, const ValueT(&v)[2][2][2])
template<typename RealT , template< typename... > class Vec3T>
static Vec3T< ValueT >	gradient (const Vec3T< RealT > &uvw, const ValueT(&v)[2][2][2])
static bool	zeroCrossing (const ValueT(&v)[2][2][2])

Static Public Attributes
static const int	ORDER = 1

Protected Attributes
const TreeOrAccT &	mAcc

Detailed Description

template<typename TreeOrAccT>
class nanovdb::SampleFromVoxels< TreeOrAccT, 1, true >

Template specialization with caching of stencil values.

Constructor & Destructor Documentation

SampleFromVoxels ( const TreeOrAccT &  acc )

inline

Construction from a Tree or ReadAccessor.

Member Function Documentation

const TreeOrAccT& accessor ( ) const

inlineinherited

static Vec3T<ValueT> gradient ( const Vec3T< RealT > &  uvw, const ValueT(&)  v[2][2][2]  )

inlinestaticinherited

Vec3T<ValueT> gradient ( Vec3T< RealT >  xyz ) const

inline

Return the gradient in index space.

Warning

Will only compile with floating point value types

Vec3T<typename TreeOrAccT::ValueType> gradient

(

Vec3T< RealT >

xyz

)

const

ValueT operator() ( Vec3T< RealT >  xyz ) const

inline

Note

xyz is in index space space

TreeOrAccT::ValueType operator()

(

const CoordT &

ijk

)

const

TreeOrAccT::ValueType operator()

(

Vec3T< RealT >

xyz

)

const

static ValueT sample ( const Vec3T< RealT > &  uvw, const ValueT(&)  v[2][2][2]  )

inlinestaticinherited

TreeOrAccT::ValueType sample ( const Vec3T< RealT > &  uvw, const ValueT(&)  v[2][2][2]  )

inherited

void stencil ( CoordT &  ijk, ValueT(&)  v[2][2][2]  ) const

inlineinherited

Extract the stencil of 8 values.

bool zeroCrossing ( const ValueT(&)  v[2][2][2] )

inlinestaticinherited

bool zeroCrossing ( Vec3T< RealT >  xyz ) const

inline

Return true if the tr-linear stencil has a zero crossing at the specified index position.

Warning

Will only compile with floating point value types

bool zeroCrossing ( ) const

inline

Return true if the cached tri-linear stencil has a zero crossing.

Warning

Will only compile with floating point value types

Member Data Documentation

const TreeOrAccT& mAcc

protectedinherited

const int ORDER = 1

staticinherited