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pointMVCWeight Class Reference

Container to calculate weights for interpolating directly from vertices of cell using Mean Value Coordinates. More...

#include <pointMVCWeight.H>

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Public Member Functions

 pointMVCWeight (const polyMesh &mesh, const vector &position, const label celli, const label facei=-1)
 Construct from components.
label cell () const noexcept
 Cell index.
const scalarField & weights () const noexcept
 Interpolation weights (in order of cellPoints).
template<class Type>
Type interpolate (const GeometricField< Type, pointPatchField, pointMesh > &psip) const
 Interpolate field.

Static Public Attributes

static int debug
 Debug switch.
static scalar tol
 Tolerance used in calculating barycentric coordinates.

Protected Member Functions

void calcWeights (const Map< label > &toLocal, const face &f, const UList< point > &u, const scalarField &dist, scalarField &weights) const
 Calculate weights from single face's vertices only.
void calcWeights (const polyMesh &mesh, const labelList &toGlobal, const Map< label > &toLocal, const vector &position, const vectorField &uVec, const scalarField &dist, scalarField &weights) const
 Calculate weights from all cell's vertices.

Protected Attributes

const label cellIndex_
 Cell index.
scalarField weights_
 Weights applied to cell vertices.

Detailed Description

Container to calculate weights for interpolating directly from vertices of cell using Mean Value Coordinates.

Based on (VTK's vtkMeanValueCoordinatesInterpolator's) implementation of "Spherical Barycentric Coordinates" 2006 paper Eurographics Symposium on Geometry Processing by Torsten Langer, Alexander Belyaev and Hans-Peter Seide

Source files

Definition at line 64 of file pointMVCWeight.H.

Constructor & Destructor Documentation

◆ pointMVCWeight()

pointMVCWeight ( const polyMesh & mesh,
const vector & position,
const label celli,
const label facei = -1 )

Construct from components.

Definition at line 238 of file pointMVCWeight.C.

References calcWeights(), cellIndex_, f(), forAll, Foam::invertToMap(), Foam::mag(), mesh, Foam::pid(), UList< T >::size(), tol, and weights_.

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Member Function Documentation

◆ calcWeights() [1/2]

void calcWeights ( const Map< label > & toLocal,
const face & f,
const UList< point > & u,
const scalarField & dist,
scalarField & weights ) const
protected

Calculate weights from single face's vertices only.

Definition at line 36 of file pointMVCWeight.C.

References Foam::asin(), f(), forAll, Foam::mag(), Foam::pid(), HashTable< T, Key, Hash >::size(), Foam::tan(), tol, and weights().

Referenced by calcWeights(), and pointMVCWeight().

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◆ calcWeights() [2/2]

void calcWeights ( const polyMesh & mesh,
const labelList & toGlobal,
const Map< label > & toLocal,
const vector & position,
const vectorField & uVec,
const scalarField & dist,
scalarField & weights ) const
protected

Calculate weights from all cell's vertices.

Definition at line 77 of file pointMVCWeight.C.

References alpha, Foam::asin(), calcWeights(), cellIndex_, f(), forAll, Foam::mag(), mesh, Foam::min(), Foam::normalised(), Foam::pid(), Foam::sin(), Foam::sum(), Foam::tan(), tol, weights(), and Foam::Zero.

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◆ cell()

label cell ( ) const
inlinenoexcept

Cell index.

Definition at line 143 of file pointMVCWeight.H.

References cellIndex_, and Foam::noexcept.

◆ weights()

const scalarField & weights ( ) const
inlinenoexcept

Interpolation weights (in order of cellPoints).

Definition at line 151 of file pointMVCWeight.H.

References Foam::noexcept, and weights_.

Referenced by calcWeights(), and calcWeights().

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◆ interpolate()

template<class Type>
Type interpolate ( const GeometricField< Type, pointPatchField, pointMesh > & psip) const
inline

Interpolate field.

Definition at line 26 of file pointMVCWeightI.H.

References cellIndex_, forAll, DimensionedField< Type, GeoMesh >::mesh(), Foam::vertices(), weights_, and Foam::Zero.

Referenced by interpolationPointMVC< Type >::interpolate(), and surfaceAlignedSBRStressFvMotionSolver::solve().

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Member Data Documentation

◆ cellIndex_

const label cellIndex_
protected

Cell index.

Definition at line 73 of file pointMVCWeight.H.

Referenced by calcWeights(), cell(), interpolate(), and pointMVCWeight().

◆ weights_

scalarField weights_
protected

Weights applied to cell vertices.

Definition at line 78 of file pointMVCWeight.H.

Referenced by interpolate(), pointMVCWeight(), and weights().

◆ debug

int debug
static

Debug switch.

Definition at line 114 of file pointMVCWeight.H.

◆ tol

Foam::scalar tol
static

Tolerance used in calculating barycentric coordinates.

(applied to normalised values)

Definition at line 121 of file pointMVCWeight.H.

Referenced by calcWeights(), calcWeights(), and pointMVCWeight().

The documentation for this class was generated from the following files:
  • src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.H
  • src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.C
  • src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeightI.H