ENH: replace foamToVTK routines with library-level equivalents

src/functionObjects/utilities/writeVTK/writeVTK.C

@@ -0,0 +1,167 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2016 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 "writeVTK.H"
+#include "dictionary.H"
+#include "Time.H"
+#include "foamVtkInternalWriter.H"
+#include "addToRunTimeSelectionTable.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace functionObjects
+{
+    defineTypeNameAndDebug(writeVTK, 0);
+    addToRunTimeSelectionTable(functionObject, writeVTK, dictionary);
+}
+}
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+Foam::functionObjects::writeVTK::writeVTK
+(
+    const word& name,
+    const Time& runTime,
+    const dictionary& dict
+)
+:
+    fvMeshFunctionObject(name, runTime, dict),
+    objectNames_()
+{
+    read(dict);
+}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+Foam::functionObjects::writeVTK::~writeVTK()
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+bool Foam::functionObjects::writeVTK::read(const dictionary& dict)
+{
+    dict.lookup("objects") >> objectNames_;
+
+    return true;
+}
+
+
+bool Foam::functionObjects::writeVTK::execute()
+{
+    return true;
+}
+
+
+bool Foam::functionObjects::writeVTK::write()
+{
+    Info<< type() << " " << name() << " output:" << nl;
+
+    Info<< "Time: " << time_.timeName() << endl;
+
+    word timeDesc = time_.timeName();
+
+    // VTK/ directory in the case
+    fileName fvPath(time_.path()/"VTK");
+
+    mkDir(fvPath);
+
+    string vtkName = time_.caseName();
+
+    if (Pstream::parRun())
+    {
+        // Strip off leading casename, leaving just processor_DDD ending.
+        string::size_type i = vtkName.rfind("processor");
+
+        if (i != string::npos)
+        {
+            vtkName = vtkName.substr(i);
+        }
+    }
+
+    // Create file and write header
+    fileName outputName
+    (
+        fvPath/vtkName
+      + "_"
+      + timeDesc
+      + ".vtk"
+    );
+
+    Info<< "    Internal  : " << outputName << endl;
+
+    foamVtkCells foamVtkMeshCells
+    (
+        mesh_,
+        foamVtkCells::contentType::LEGACY,
+        true  // decompose
+    );
+
+    // Write mesh
+    foamVtkOutput::internalWriter writer
+    (
+        mesh_,
+        foamVtkOutput::LEGACY_ASCII,
+        foamVtkMeshCells,
+        outputName
+    );
+
+
+    UPtrList<const volScalarField> vsf(lookupFields<volScalarField>());
+    UPtrList<const volVectorField> vvf(lookupFields<volVectorField>());
+    UPtrList<const volSphericalTensorField> vsptf
+    (
+        lookupFields<volSphericalTensorField>()
+    );
+    UPtrList<const volSymmTensorField> vstf(lookupFields<volSymmTensorField>());
+    UPtrList<const volTensorField> vtf(lookupFields<volTensorField>());
+
+    const label nVolFields =
+        vsf.size() + vvf.size() + vsptf.size() + vstf.size() + vtf.size();
+
+    // CellData
+    {
+        writer.beginCellData(1 + nVolFields);
+
+        // Write cellID field
+        writer.writeCellIDs();
+
+        // Write volFields
+        writer.write(vsf);
+        writer.write(vvf);
+        writer.write(vsptf);
+        writer.write(vstf);
+        writer.write(vtf);
+    }
+
+    return true;
+}
+
+
+// ************************************************************************* //