sampledTriSurfaceMeshTemplates.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2016-2018 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "sampledTriSurfaceMesh.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledTriSurfaceMesh::sampleOnFaces
(
    const interpolation<Type>& sampler
) const
{
    const labelList& elements = sampleElements_;
 
    if (!onBoundary())
    {
        // Sample cells
 
        return sampledSurface::sampleOnFaces
        (
            sampler,
            elements,
            faces(),
            points()
        );
    }
 
 
    //
    // Sample boundary faces
    //
 
    auto tvalues = tmp<Field<Type>>::New(elements.size());
    auto& values = tvalues.ref();
 
    const polyBoundaryMesh& pbm = mesh().boundaryMesh();
    const label nBnd = mesh().nBoundaryFaces();
 
    // Create flat boundary field
 
    Field<Type> bVals(nBnd, Zero);
 
    const auto& bField = sampler.psi().boundaryField();
 
    forAll(bField, patchi)
    {
        const label bFacei = (pbm[patchi].start() - mesh().nInternalFaces());
 
        SubList<Type>
        (
            bVals,
            bField[patchi].size(),
            bFacei
        ) = bField[patchi];
    }
 
    // Sample in flat boundary field
 
    forAll(elements, i)
    {
        const label bFacei = (elements[i] - mesh().nInternalFaces());
        values[i] = bVals[bFacei];
    }
 
    return tvalues;
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledTriSurfaceMesh::sampleOnPoints
(
    const interpolation<Type>& interpolator
) const
{
    // One value per vertex
    auto tvalues = tmp<Field<Type>>::New(sampleElements_.size());
    auto& values = tvalues.ref();
 
    if (!onBoundary())
    {
        // Sample cells
 
        forAll(sampleElements_, pointi)
        {
            values[pointi] = interpolator.interpolate
            (
                samplePoints_[pointi],
                sampleElements_[pointi]
            );
        }
    }
    else
    {
        // Sample boundary faces
 
        forAll(samplePoints_, pointi)
        {
            const label facei = sampleElements_[pointi];
 
            values[pointi] = interpolator.interpolate
            (
                samplePoints_[pointi],
                mesh().faceOwner()[facei],
                facei
            );
        }
    }
 
    return tvalues;
}
 
 
// ************************************************************************* //