ensightOutputCloudTemplates.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2016-2020 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.
 
    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/>.
 
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#include "ensightOutputCloud.H"
#include "ensightPTraits.H"
 
// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
 
template<class Type>
bool Foam::ensightOutput::writeCloudField
(
    const IOField<Type>& field,
    ensightFile& os,
    Pstream::commsTypes comm
)
{
    if (returnReduce(field.empty(), andOp<bool>()))
    {
        return false;
    }
 
    if (Pstream::master())
    {
        // 6 values per line
        label count = 0;
 
        // Master
        for (Type val : field)          // <-- working on a copy
        {
            if (mag(val) < 1e-90)       // approximately root(ROOTVSMALL)
            {
                val = Zero;
            }
 
            for (direction d=0; d < pTraits<Type>::nComponents; ++d)
            {
                const direction cmpt =
                    ensightPTraits<Type>::componentOrder[d];
 
                os.write(component(val, cmpt));
 
                if (++count % 6 == 0)
                {
                    os.newline();
                }
            }
        }
 
        // Slaves
        for (const int slave : Pstream::subProcs())
        {
            IPstream fromSlave(comm, slave);
            Field<Type> recv(fromSlave);
 
            for (Type val : recv)       // <-- working on a copy
            {
                if (mag(val) < 1e-90)   // approximately root(ROOTVSMALL)
                {
                    val = Zero;
                }
 
                for (direction d=0; d < pTraits<Type>::nComponents; ++d)
                {
                    const direction cmpt =
                        ensightPTraits<Type>::componentOrder[d];
 
                    os.write(component(val, cmpt));
 
                    if (++count % 6 == 0)
                    {
                        os.newline();
                    }
                }
            }
        }
 
        // Add final newline if required
        if (count % 6)
        {
            os.newline();
        }
    }
    else
    {
        OPstream toMaster(comm, Pstream::masterNo());
        toMaster << field;
    }
 
    return true;
}
 
 
template<class Type>
bool Foam::ensightOutput::writeCloudField
(
    const IOobject& io,
    const bool exists,
    autoPtr<ensightFile>& output,
    Pstream::commsTypes comm
)
{
    if (exists)
    {
        // When exists == true, it exists globally,
        // but can still be missing on the local processor.
        // Handle this by READ_IF_PRESENT instead.
 
        IOobject fieldObj(io);
        fieldObj.readOpt() = IOobject::READ_IF_PRESENT;
 
        IOField<Type> field(fieldObj);
 
        writeCloudField(field, output.ref(), comm);
    }
 
    return true;
}
 
 
// ************************************************************************* //