vtkphasepresencemodule.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
  Copyright (C) 2011-2013 by Andreas Lauser

  This file is part of the Open Porous Media project (OPM).

  OPM 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 2 of the License, or
  (at your option) any later version.

  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EWOMS_VTK_PHASE_PRESENCE_MODULE_HH
#define EWOMS_VTK_PHASE_PRESENCE_MODULE_HH

#include "vtkmultiwriter.hh"
#include "baseoutputmodule.hh"

#include <ewoms/common/parametersystem.hh>
#include <ewoms/common/propertysystem.hh>

namespace Ewoms {
namespace Properties {
// create new type tag for the VTK primary variables output
NEW_TYPE_TAG(VtkPhasePresence);

// create the property tags needed for the primary variables module
NEW_PROP_TAG(VtkWritePhasePresence);
NEW_PROP_TAG(VtkOutputFormat);

SET_BOOL_PROP(VtkPhasePresence, VtkWritePhasePresence, false);
} // namespace Properties
} // namespace Ewoms

namespace Ewoms {
template<class TypeTag>
class VtkPhasePresenceModule : public BaseOutputModule<TypeTag>
{
    typedef BaseOutputModule<TypeTag> ParentType;

    typedef typename GET_PROP_TYPE(TypeTag, Simulator) Simulator;
    typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
    typedef typename GET_PROP_TYPE(TypeTag, ElementContext) ElementContext;
    typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;

    static const int vtkFormat = GET_PROP_VALUE(TypeTag, VtkOutputFormat);
    typedef Ewoms::VtkMultiWriter<GridView, vtkFormat> VtkMultiWriter;

    typedef typename ParentType::ScalarBuffer ScalarBuffer;


public:
    VtkPhasePresenceModule(const Simulator &simulator)
        : ParentType(simulator)
    { }

    static void registerParameters()
    {
        EWOMS_REGISTER_PARAM(TypeTag, bool, VtkWritePhasePresence,
                             "Include the phase presence pseudo primary "
                             "variable in the VTK output files");
    }

    void allocBuffers()
    {
        if (phasePresenceOutput_()) this->resizeScalarBuffer_(phasePresence_);
    }

    void processElement(const ElementContext &elemCtx)
    {
        if (!phasePresenceOutput_())
            return;

        for (int i = 0; i < elemCtx.numPrimaryDof(/*timeIdx=*/0); ++i) {
            // calculate the phase presence
            int phasePresence = elemCtx.primaryVars(i, /*timeIdx=*/0).phasePresence();
            int I = elemCtx.globalSpaceIndex(i, /*timeIdx=*/0);
            phasePresence_[I] = phasePresence;
        }
    }

    void commitBuffers(BaseOutputWriter &baseWriter)
    {
        VtkMultiWriter *vtkWriter = dynamic_cast<VtkMultiWriter*>(&baseWriter);
        if (!vtkWriter) {
            return;
        }

        if (phasePresenceOutput_())
            this->commitScalarBuffer_(baseWriter, "phase presence", phasePresence_);
    }

private:
    static bool phasePresenceOutput_()
    { return EWOMS_GET_PARAM(TypeTag, bool, VtkWritePhasePresence); }

    ScalarBuffer phasePresence_;
};

} // namespace Ewoms

#endif