OpenFOAM-dev / data /src /finiteVolume /interpolation /interpolatePointToCell /interpolatePointToCell.C
| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
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| \\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation | |
| \\/ M anipulation | | |
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| License | |
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| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * // | |
| template<class Type> | |
| Type Foam::interpolatePointToCell | |
| ( | |
| const PointField<Type>& ptf, | |
| const label celli | |
| ) | |
| { | |
| const primitiveMesh& mesh = ptf.mesh()(); | |
| const cell& cFaces = mesh.cells()[celli]; | |
| labelHashSet pointHad(10*cFaces.size()); | |
| Type sum = Zero; | |
| forAll(cFaces, i) | |
| { | |
| const face& f = mesh.faces()[cFaces[i]]; | |
| forAll(f, fp) | |
| { | |
| label v = f[fp]; | |
| if (pointHad.insert(v)) | |
| { | |
| sum += ptf[v]; | |
| } | |
| } | |
| } | |
| return sum/pointHad.size(); | |
| } | |
| // ************************************************************************* // | |