OpenVDB 11.0.0
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SampleFromVoxels< TreeOrAccT, 2, false > Class Template Reference

Template specialization that does not use caching of stencil points. More...

#include <nanovdb/util/SampleFromVoxels.h>

Inheritance diagram for SampleFromVoxels< TreeOrAccT, 2, false >:
TriquadraticSampler< TreeOrAccT >

Public Member Functions

 SampleFromVoxels (const TreeOrAccT &acc)
 Construction from a Tree or ReadAccessor.
 
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>
bool zeroCrossing (Vec3T< RealT > xyz) const
 Return true if the tr-linear stencil has a zero crossing at the specified index position.
 
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType operator() (Vec3T< RealT > xyz) const
 
const TreeOrAccT & accessor () const
 
void stencil (const CoordT &ijk, ValueT(&v)[3][3][3]) const
 Extract the stencil of 27 values.
 
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType sample (const Vec3T< RealT > &uvw, const ValueT(&v)[3][3][3])
 

Static Public Member Functions

template<typename RealT , template< typename... > class Vec3T>
static ValueT sample (const Vec3T< RealT > &uvw, const ValueT(&v)[3][3][3])
 
static bool zeroCrossing (const ValueT(&v)[3][3][3])
 

Static Public Attributes

static const int ORDER = 1
 

Protected Attributes

const TreeOrAccT & mAcc
 

Detailed Description

template<typename TreeOrAccT>
class nanovdb::SampleFromVoxels< TreeOrAccT, 2, false >

Template specialization that does not use caching of stencil points.

Constructor & Destructor Documentation

◆ SampleFromVoxels()

template<typename TreeOrAccT >
SampleFromVoxels ( const TreeOrAccT & acc)
inline

Construction from a Tree or ReadAccessor.

Member Function Documentation

◆ accessor()

template<typename TreeOrAccT >
const TreeOrAccT & accessor ( ) const
inlineinherited

◆ operator()() [1/3]

template<typename TreeOrAccT >
ValueT operator() ( const CoordT & ijk) const
inline

◆ operator()() [2/3]

template<typename TreeOrAccT >
template<typename RealT , template< typename... > class Vec3T>
ValueT operator() ( Vec3T< RealT > xyz) const
inline
Note
xyz is in index space space

◆ operator()() [3/3]

template<typename TreeOrAccT >
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType operator() ( Vec3T< RealT > xyz) const

◆ sample() [1/2]

template<typename TreeOrAccT >
template<typename RealT , template< typename... > class Vec3T>
static ValueT sample ( const Vec3T< RealT > & uvw,
const ValueT(&) v[3][3][3] )
inlinestaticinherited

◆ sample() [2/2]

template<typename TreeOrAccT >
template<typename RealT , template< typename... > class Vec3T>
TreeOrAccT::ValueType sample ( const Vec3T< RealT > & uvw,
const ValueT(&) v[3][3][3] )
inherited

◆ stencil()

template<typename TreeOrAccT >
void stencil ( const CoordT & ijk,
ValueT(&) v[3][3][3] ) const
inlineinherited

Extract the stencil of 27 values.

◆ zeroCrossing() [1/2]

template<typename TreeOrAccT >
template<typename RealT , template< typename... > class Vec3T>
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

◆ zeroCrossing() [2/2]

template<typename TreeOrAccT >
bool zeroCrossing ( const ValueT(&) v[3][3][3])
inlinestaticinherited

Member Data Documentation

◆ mAcc

template<typename TreeOrAccT >
const TreeOrAccT& mAcc
protectedinherited

◆ ORDER

template<typename TreeOrAccT >
const int ORDER = 1
staticinherited