コード例 #1
0
Foam::labelList Foam::meshToMesh::maskCells
(
    const polyMesh& src,
    const polyMesh& tgt
) const
{
    boundBox intersectBb
    (
        max(src.bounds().min(), tgt.bounds().min()),
        min(src.bounds().max(), tgt.bounds().max())
    );

    intersectBb.inflate(0.01);

    const cellList& srcCells = src.cells();
    const faceList& srcFaces = src.faces();
    const pointField& srcPts = src.points();

    DynamicList<label> cells(src.size());
    forAll(srcCells, srcI)
    {
        boundBox cellBb(srcCells[srcI].points(srcFaces, srcPts), false);
        if (intersectBb.overlaps(cellBb))
        {
            cells.append(srcI);
        }
    }
コード例 #2
0
// Check writing tolerance before doing any serious work
scalar getMergeDistance(const polyMesh& mesh, const scalar mergeTol)
{
    const boundBox& meshBb = mesh.bounds();
    scalar mergeDist = mergeTol * meshBb.mag();
    scalar writeTol = std::pow
    (
        scalar(10.0),
       -scalar(IOstream::defaultPrecision())
    );

    Info<< nl
        << "Overall mesh bounding box  : " << meshBb << nl
        << "Relative tolerance         : " << mergeTol << nl
        << "Absolute matching distance : " << mergeDist << nl
        << endl;

    if (mesh.time().writeFormat() == IOstream::ASCII && mergeTol < writeTol)
    {
        FatalErrorIn("getMergeDistance(const polyMesh&, const scalar)")
            << "Your current settings specify ASCII writing with "
            << IOstream::defaultPrecision() << " digits precision." << endl
            << "Your merging tolerance (" << mergeTol << ") is finer than this."
            << endl
            << "Please change your writeFormat to binary"
            << " or increase the writePrecision" << endl
            << "or adjust the merge tolerance (-mergeTol)."
            << exit(FatalError);
    }

    return mergeDist;
}
コード例 #3
0
Foam::labelList Foam::refinementParameters::findCells(const polyMesh& mesh)
const
{
    // Force calculation of tet-diag decomposition (for use in findCell)
    (void)mesh.tetBasePtIs();

    // Global calculation engine
    globalIndex globalCells(mesh.nCells());

    // Cell label per point
    labelList cellLabels(keepPoints_.size());

    forAll(keepPoints_, i)
    {
        const point& keepPoint = keepPoints_[i];

        label localCellI = mesh.findCell(keepPoint);

        label globalCellI = -1;

        if (localCellI != -1)
        {
            globalCellI = globalCells.toGlobal(localCellI);
        }

        reduce(globalCellI, maxOp<label>());

        if (globalCellI == -1)
        {
            FatalErrorInFunction
                << "Point " << keepPoint
                << " is not inside the mesh or on a face or edge." << nl
                << "Bounding box of the mesh:" << mesh.bounds()
                << exit(FatalError);
        }


        label procI = globalCells.whichProcID(globalCellI);
        label procCellI = globalCells.toLocal(procI, globalCellI);

        Info<< "Found point " << keepPoint << " in cell " << procCellI
            << " on processor " << procI << endl;


        if (globalCells.isLocal(globalCellI))
        {
            cellLabels[i] = localCellI;
        }
        else
        {
            cellLabels[i] = -1;
        }
    }
    return cellLabels;
}
コード例 #4
0
Foam::labelList Foam::refinementParameters::findCells(const polyMesh& mesh)
 const
{
    // Global calculation engine
    globalIndex globalCells(mesh.nCells());

    // Cell label per point
    labelList cellLabels(keepPoints_.size());

    forAll(keepPoints_, i)
    {
        const point& keepPoint = keepPoints_[i];

        label localCellI = mesh.findCell(keepPoint);

        label globalCellI = -1;

        if (localCellI != -1)
        {
            Pout<< "Found point " << keepPoint << " in cell " << localCellI
                << " on processor " << Pstream::myProcNo() << endl;
            globalCellI = globalCells.toGlobal(localCellI);
        }

        reduce(globalCellI, maxOp<label>());

        if (globalCellI == -1)
        {
            FatalErrorIn
            (
                "refinementParameters::findCells(const polyMesh&) const"
            )   << "Point " << keepPoint
                << " is not inside the mesh or on a face or edge." << nl
                << "Bounding box of the mesh:" << mesh.bounds()
                << exit(FatalError);
        }

        if (globalCells.isLocal(globalCellI))
        {
            cellLabels[i] = localCellI;
        }
        else
        {
            cellLabels[i] = -1;
        }
    }
    return cellLabels;
}