sampledPlane.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "sampledPlane.H"
#include "dictionary.H"
#include "polyMesh.H"
#include "volFields.H"
 
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(sampledPlane, 0);
    addNamedToRunTimeSelectionTable(sampledSurface, sampledPlane, word, plane);
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::sampledPlane::sampledPlane
(
    const word& name,
    const polyMesh& mesh,
    const plane& planeDesc,
    const keyType& zoneKey,
    const bool triangulate
)
:
    sampledSurface(name, mesh),
    cuttingPlane(planeDesc),
    zoneKey_(zoneKey),
    triangulate_(triangulate),
    needsUpdate_(true)
{
    if (debug && zoneKey_.size() && mesh.cellZones().findIndex(zoneKey_) < 0)
    {
        Info<< "cellZone " << zoneKey_
            << " not found - using entire mesh" << endl;
    }
}
 
 
Foam::sampledPlane::sampledPlane
(
    const word& name,
    const polyMesh& mesh,
    const dictionary& dict
)
:
    sampledSurface(name, mesh, dict),
    cuttingPlane(plane(dict.lookup("basePoint"), dict.lookup("normalVector"))),
    zoneKey_(keyType::null),
    triangulate_(dict.lookupOrDefault("triangulate", true)),
    needsUpdate_(true)
{
    // make plane relative to the coordinateSystem (Cartesian)
    // allow lookup from global coordinate systems
    if (dict.found("coordinateSystem"))
    {
        coordinateSystem cs(mesh, dict.subDict("coordinateSystem"));
 
        point  base = cs.globalPosition(planeDesc().refPoint());
        vector norm = cs.globalVector(planeDesc().normal());
 
        // assign the plane description
        static_cast<plane&>(*this) = plane(base, norm);
    }
 
    dict.readIfPresent("zone", zoneKey_);
 
    if (debug && zoneKey_.size() && mesh.cellZones().findIndex(zoneKey_) < 0)
    {
        Info<< "cellZone " << zoneKey_
            << " not found - using entire mesh" << endl;
    }
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::sampledPlane::~sampledPlane()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::sampledPlane::needsUpdate() const
{
    return needsUpdate_;
}
 
 
bool Foam::sampledPlane::expire()
{
    // already marked as expired
    if (needsUpdate_)
    {
        return false;
    }
 
    sampledSurface::clearGeom();
 
    needsUpdate_ = true;
    return true;
}
 
 
bool Foam::sampledPlane::update()
{
    if (!needsUpdate_)
    {
        return false;
    }
 
    sampledSurface::clearGeom();
 
    labelList selectedCells = mesh().cellZones().findMatching(zoneKey_).used();
 
    if (selectedCells.empty())
    {
        reCut(mesh(), triangulate_);
    }
    else
    {
        reCut(mesh(), triangulate_, selectedCells);
    }
 
    if (debug)
    {
        print(Pout);
        Pout<< endl;
    }
 
    needsUpdate_ = false;
    return true;
}
 
 
Foam::tmp<Foam::scalarField> Foam::sampledPlane::sample
(
    const volScalarField& vField
) const
{
    return sampleField(vField);
}
 
 
Foam::tmp<Foam::vectorField> Foam::sampledPlane::sample
(
    const volVectorField& vField
) const
{
    return sampleField(vField);
}
 
 
Foam::tmp<Foam::sphericalTensorField> Foam::sampledPlane::sample
(
    const volSphericalTensorField& vField
) const
{
    return sampleField(vField);
}
 
 
Foam::tmp<Foam::symmTensorField> Foam::sampledPlane::sample
(
    const volSymmTensorField& vField
) const
{
    return sampleField(vField);
}
 
 
Foam::tmp<Foam::tensorField> Foam::sampledPlane::sample
(
    const volTensorField& vField
) const
{
    return sampleField(vField);
}
 
 
Foam::tmp<Foam::scalarField> Foam::sampledPlane::interpolate
(
    const interpolation<scalar>& interpolator
) const
{
    return interpolateField(interpolator);
}
 
 
Foam::tmp<Foam::vectorField> Foam::sampledPlane::interpolate
(
    const interpolation<vector>& interpolator
) const
{
    return interpolateField(interpolator);
}
 
Foam::tmp<Foam::sphericalTensorField> Foam::sampledPlane::interpolate
(
    const interpolation<sphericalTensor>& interpolator
) const
{
    return interpolateField(interpolator);
}
 
 
Foam::tmp<Foam::symmTensorField> Foam::sampledPlane::interpolate
(
    const interpolation<symmTensor>& interpolator
) const
{
    return interpolateField(interpolator);
}
 
 
Foam::tmp<Foam::tensorField> Foam::sampledPlane::interpolate
(
    const interpolation<tensor>& interpolator
) const
{
    return interpolateField(interpolator);
}
 
 
void Foam::sampledPlane::print(Ostream& os) const
{
    os  << "sampledPlane: " << name() << " :"
        << "  base:" << refPoint()
        << "  normal:" << normal()
        << "  triangulate:" << triangulate_
        << "  faces:" << faces().size()
        << "  points:" << points().size();
}
 
 
// ************************************************************************* //