OpenVDB 11.0.0

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TrilinearSampler< TreeOrAccT > Class Template Reference

Tri-linear sampler, i.e. first order, interpolator. More...

`#include <nanovdb/util/SampleFromVoxels.h>`

Inheritance diagram for TrilinearSampler< TreeOrAccT >:

## Public Types
using | ValueT = typename TreeOrAccT::ValueType
using | CoordT = typename TreeOrAccT::CoordType

## Public Member Functions
| TrilinearSampler (const TreeOrAccT &acc)
| Protected constructor from a Tree or ReadAccessor.
const TreeOrAccT & | accessor () const
void | stencil (CoordT &ijk, ValueT(&v)[2][2][2]) const
| Extract the stencil of 8 values.
template<typename RealT, template< typename... > class Vec3T>
TreeOrAccT::ValueType | sample (const Vec3T< RealT > &uvw, const ValueT(&v)[2][2][2])
template<typename RealT, template< typename... > class Vec3T>
Vec3T< typename TreeOrAccT::ValueType > | gradient (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::TrilinearSampler< TreeOrAccT >

Tri-linear sampler, i.e. first order, interpolator.

## Member Typedef Documentation

## ◆ CoordT

template<typename TreeOrAccT>

using CoordT = typename TreeOrAccT::CoordType

## ◆ ValueT

template<typename TreeOrAccT>

using ValueT = typename TreeOrAccT::ValueType

## Constructor & Destructor Documentation

## ◆ TrilinearSampler()

template<typename TreeOrAccT>

TrilinearSampler | ( | const TreeOrAccT & | acc | ) |
| inline

Protected constructor from a Tree or ReadAccessor.

## Member Function Documentation

## ◆ accessor()

template<typename TreeOrAccT>

const TreeOrAccT & accessor | ( |  | ) | const
| inline

## ◆ gradient() [1/2]

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

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

## ◆ gradient() [2/2]

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

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

## ◆ sample() [1/2]

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

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

## ◆ sample() [2/2]

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

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

## ◆ stencil()

template<typename TreeOrAccT>

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

Extract the stencil of 8 values.

## ◆ zeroCrossing()

template<typename TreeOrAccT>

bool zeroCrossing | ( | const ValueT(&) | v[2][2][2] | ) |
| inline static

## Member Data Documentation

## ◆ mAcc

template<typename TreeOrAccT>

const TreeOrAccT& mAcc
| protected

## ◆ ORDER

template<typename TreeOrAccT>

const int ORDER = 1
| static