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OpenFOAM-dev / data /src /OpenFOAM /meshes /primitiveMesh /primitivePatch /patchZones.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2018 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 "patchZones.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(patchZones, 0);
}


// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //

Foam::labelList Foam::patchZones::faceToEdge
(
    const labelList& changedFaces,
    labelList& edgeRegion
)
{
    labelList changedEdges(pp_.nEdges(), -1);
    label changedI = 0;

    forAll(changedFaces, i)
    {
        label facei = changedFaces[i];

        const labelList& fEdges = pp_.faceEdges()[facei];

        forAll(fEdges, fEdgeI)
        {
            label edgeI = fEdges[fEdgeI];

            if (!borderEdge_[edgeI] && (edgeRegion[edgeI] == -1))
            {
                edgeRegion[edgeI] = nZones_;

                changedEdges[changedI++] = edgeI;
            }
        }
    }

    changedEdges.setSize(changedI);

    return changedEdges;
}


Foam::labelList Foam::patchZones::edgeToFace(const labelList& changedEdges)
{
    labelList changedFaces(pp_.size(), -1);
    label changedI = 0;

    forAll(changedEdges, i)
    {
        label edgeI = changedEdges[i];

        const labelList& eFaces = pp_.edgeFaces()[edgeI];

        forAll(eFaces, eFacei)
        {
            label facei = eFaces[eFacei];

            if (operator[](facei) == -1)
            {
                operator[](facei) = nZones_;

                changedFaces[changedI++] = facei;
            }
        }
    }

    changedFaces.setSize(changedI);

    return changedFaces;
}


void Foam::patchZones::markZone(label facei)
{
    // List of faces whose faceZone has been set.
    labelList changedFaces(1, facei);
    // List of edges whose faceZone has been set.
    labelList changedEdges;

    // Zones on all edges.
    labelList edgeZone(pp_.nEdges(), -1);

    while (true)
    {
        changedEdges = faceToEdge(changedFaces, edgeZone);

        if (debug)
        {
            Info<< "From changedFaces:" << changedFaces.size()
                << " to changedEdges:" << changedEdges.size()
                << endl;
        }

        if (changedEdges.empty())
        {
            break;
        }

        changedFaces = edgeToFace(changedEdges);

        if (debug)
        {
            Info<< "From changedEdges:" << changedEdges.size()
                << " to changedFaces:" << changedFaces.size()
                << endl;
        }

        if (changedEdges.empty())
        {
            break;
        }
    }
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::patchZones::patchZones
(
    const primitivePatch& pp,
    const boolList& borderEdge
)
:
    labelList(pp.size(), -1),
    pp_(pp),
    borderEdge_(borderEdge),
    nZones_(0)
{
    // Finds areas delimited by borderEdge (or 'real' edges).
    // Fills *this with zone number accordingly.

    if (borderEdge.size() != pp_.nEdges())
    {
        FatalErrorInFunction
            << "borderEdge boolList not same size as number of edges" << endl
            << "borderEdge:" << borderEdge.size() << endl
            << "nEdges    :" << pp_.nEdges()
            << abort(FatalError);
    }

    label facei = 0;

    while (true)
    {
        // Find first non-visited face
        for (; facei < pp_.size(); facei++)
        {
            if (operator[](facei) == -1)
            {
                operator[](facei) = nZones_;

                markZone(facei);

                break;
            }
        }

        if (facei == pp_.size())
        {
            // Finished.
            break;
        }

        nZones_++;
    }
}


// ************************************************************************* //

	/---------------------------------------------------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Copyright (C) 2011-2018 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 "patchZones.H"

	// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

	namespace Foam
	{
	defineTypeNameAndDebug(patchZones, 0);
	}


	// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //

	Foam::labelList Foam::patchZones::faceToEdge
	(
	const labelList& changedFaces,
	labelList& edgeRegion
	)
	{
	labelList changedEdges(pp_.nEdges(), -1);
	label changedI = 0;

	forAll(changedFaces, i)
	{
	label facei = changedFaces[i];

	const labelList& fEdges = pp_.faceEdges()[facei];

	forAll(fEdges, fEdgeI)
	{
	label edgeI = fEdges[fEdgeI];

	if (!borderEdge_[edgeI] && (edgeRegion[edgeI] == -1))
	{
	edgeRegion[edgeI] = nZones_;

	changedEdges[changedI++] = edgeI;
	}
	}
	}

	changedEdges.setSize(changedI);

	return changedEdges;
	}


	Foam::labelList Foam::patchZones::edgeToFace(const labelList& changedEdges)
	{
	labelList changedFaces(pp_.size(), -1);
	label changedI = 0;

	forAll(changedEdges, i)
	{
	label edgeI = changedEdges[i];

	const labelList& eFaces = pp_.edgeFaces()[edgeI];

	forAll(eFaces, eFacei)
	{
	label facei = eFaces[eFacei];

	if (operator[](facei) == -1)
	{
	operator[](facei) = nZones_;

	changedFaces[changedI++] = facei;
	}
	}
	}

	changedFaces.setSize(changedI);

	return changedFaces;
	}


	void Foam::patchZones::markZone(label facei)
	{
	// List of faces whose faceZone has been set.
	labelList changedFaces(1, facei);
	// List of edges whose faceZone has been set.
	labelList changedEdges;

	// Zones on all edges.
	labelList edgeZone(pp_.nEdges(), -1);

	while (true)
	{
	changedEdges = faceToEdge(changedFaces, edgeZone);

	if (debug)
	{
	Info<< "From changedFaces:" << changedFaces.size()
	<< " to changedEdges:" << changedEdges.size()
	<< endl;
	}

	if (changedEdges.empty())
	{
	break;
	}

	changedFaces = edgeToFace(changedEdges);

	if (debug)
	{
	Info<< "From changedEdges:" << changedEdges.size()
	<< " to changedFaces:" << changedFaces.size()
	<< endl;
	}

	if (changedEdges.empty())
	{
	break;
	}
	}
	}


	// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //

	Foam::patchZones::patchZones
	(
	const primitivePatch& pp,
	const boolList& borderEdge
	)
	:
	labelList(pp.size(), -1),
	pp_(pp),
	borderEdge_(borderEdge),
	nZones_(0)
	{
	// Finds areas delimited by borderEdge (or 'real' edges).
	// Fills *this with zone number accordingly.

	if (borderEdge.size() != pp_.nEdges())
	{
	FatalErrorInFunction
	<< "borderEdge boolList not same size as number of edges" << endl
	<< "borderEdge:" << borderEdge.size() << endl
	<< "nEdges :" << pp_.nEdges()
	<< abort(FatalError);
	}

	label facei = 0;

	while (true)
	{
	// Find first non-visited face
	for (; facei < pp_.size(); facei++)
	{
	if (operator[](facei) == -1)
	{
	operator[](facei) = nZones_;

	markZone(facei);

	break;
	}
	}

	if (facei == pp_.size())
	{
	// Finished.
	break;
	}

	nZones_++;
	}
	}


	// ************************************************************************* //