faPatchMapper.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki 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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    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 "faPatchMapper.H"
#include "mapPolyMesh.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::faPatchMapper::calcAddressing() const
{
    if (directAddrPtr_)
    {
        FatalErrorInFunction
            << "Addressing already calculated"
            << abort(FatalError);
    }
 
    // Compatibility change  HJ, 12/Aug/2017
    hasUnmapped_ = false;
 
    directAddrPtr_ = std::make_unique<labelList>(patch_.size(), Foam::zero{});
    auto& addr = *directAddrPtr_;
 
    // Make a map of old edgeFaces, giving edge index in patch given the new
    // face label next to the patch
 
    // Create edge index lookup
    Map<label> edgeIndexLookup;
 
    const labelList& reverseFaceMap = mpm_.reverseFaceMap();
 
    forAll(oldEdgeFaces_, oefI)
    {
        if (reverseFaceMap[oldEdgeFaces_[oefI]] > -1)
        {
            // Face has survived.  Insert its label under new face index
            edgeIndexLookup.insert(reverseFaceMap[oldEdgeFaces_[oefI]], oefI);
        }
    }
 
    // Go through new edgeFaces and for each edge try to locate old index
    const labelUList& ef = patch_.edgeFaces();
 
    forAll(ef, efI)
    {
        const auto iter = edgeIndexLookup.cfind(ef[efI]);
 
        if (iter.good())
        {
            addr[efI] = iter.val();
        }
        else
        {
            // Not found: map from zero
            addr[efI] = 0;
 
            // Compatibility change  HJ, 12/Aug/2017
            hasUnmapped_ = true;
        }
    }
}
 
 
// void Foam::faPatchMapper::clearOut()
// {
//     directAddrPtr_.reset(nullptr);
//     hasUnmapped_ = false;
// }
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::faPatchMapper::faPatchMapper
(
    const faPatch& patch,
    const mapPolyMesh& mpm
)
:
    patch_(patch),
    mpm_(mpm),
    sizeBeforeMapping_(patch.size()),
    oldEdgeFaces_(patch.edgeFaces()),
    hasUnmapped_(false)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::faPatchMapper::~faPatchMapper()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
const Foam::labelUList& Foam::faPatchMapper::directAddressing() const
{
    if (!directAddrPtr_)
    {
        calcAddressing();
    }
 
    return *directAddrPtr_;
}
 
 
const Foam::labelListList& Foam::faPatchMapper::addressing() const
{
    FatalErrorInFunction
        << "Requested interpolative addressing for a direct mapper."
        << abort(FatalError);
 
    return labelListList::null();
}
 
 
const Foam::scalarListList& Foam::faPatchMapper::weights() const
{
    FatalErrorInFunction
        << "Requested interpolative weights for a direct mapper."
        << abort(FatalError);
 
    return scalarListList::null();
}
 
 
// ************************************************************************* //