extractFromFile.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
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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    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 "extractFromFile.H"
#include "edgeMesh.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace surfaceFeaturesExtraction
{
    addNamedToRunTimeSelectionTable
    (
        method,
        extractFromFile,
        dictionary,
        extractFromFile
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::surfaceFeaturesExtraction::extractFromFile::extractFromFile
(
    const dictionary& dict
)
:
    method()
{
    const dictionary& coeffDict =
        dict.optionalSubDict("extractFromFileCoeffs");
 
    coeffDict.readEntry("featureEdgeFile", featureEdgeFile_);
    coeffDict.readIfPresent("geometricTestOnly", geometricTestOnly_);
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::autoPtr<Foam::surfaceFeatures>
Foam::surfaceFeaturesExtraction::extractFromFile::features
(
    const triSurface& surf
) const
{
    edgeMesh eMesh(featureEdgeFile_);
 
    // Sometimes duplicate edges are present. Remove them.
    eMesh.mergeEdges();
 
    Info<< nl << "Reading existing feature edges from file "
        << featureEdgeFile_ << nl
        << "Selecting edges based purely on geometric tests: "
        << geometricTestOnly().c_str() << endl;
 
    return autoPtr<surfaceFeatures>::New
    (
        surf,
        eMesh.points(),
        eMesh.edges(),
        1e-6,  // mergeTol
        geometricTestOnly()
    );
}
 
 
// ************************************************************************* //