C++ (Cpp) primitiveMesh::nEdges Examples

Example #1

File: autoRefineMesh.C Project: themiwi/freefoam-debian

// Calculate some edge statistics on mesh. Return min. edge length over all
// directions but exclude component (0=x, 1=y, 2=z, other=none)
scalar getEdgeStats(const primitiveMesh& mesh, const direction excludeCmpt)
{
    label nX = 0;
    label nY = 0;
    label nZ = 0;

    scalar minX = GREAT;
    scalar maxX = -GREAT;
    vector x(1, 0, 0);

    scalar minY = GREAT;
    scalar maxY = -GREAT;
    vector y(0, 1, 0);

    scalar minZ = GREAT;
    scalar maxZ = -GREAT;
    vector z(0, 0, 1);

    scalar minOther = GREAT;
    scalar maxOther = -GREAT;

    const edgeList& edges = mesh.edges();

    forAll(edges, edgeI)
    {
        const edge& e = edges[edgeI];

        vector eVec(e.vec(mesh.points()));

        scalar eMag = mag(eVec);

        eVec /= eMag;

        if (mag(eVec & x) > 1-edgeTol)
        {
            minX = min(minX, eMag);
            maxX = max(maxX, eMag);
            nX++;
        }
        else if (mag(eVec & y) > 1-edgeTol)
        {
            minY = min(minY, eMag);
            maxY = max(maxY, eMag);
            nY++;
        }
        else if (mag(eVec & z) > 1-edgeTol)
        {
            minZ = min(minZ, eMag);
            maxZ = max(maxZ, eMag);
            nZ++;
        }
        else
        {
            minOther = min(minOther, eMag);
            maxOther = max(maxOther, eMag);
        }
    }

    Info<< "Mesh bounding box:" << boundBox(mesh.points()) << nl << nl
        << "Mesh edge statistics:" << nl
        << "    x aligned :  number:" << nX << "\tminLen:" << minX
        << "\tmaxLen:" << maxX << nl
        << "    y aligned :  number:" << nY << "\tminLen:" << minY
        << "\tmaxLen:" << maxY << nl
        << "    z aligned :  number:" << nZ << "\tminLen:" << minZ
        << "\tmaxLen:" << maxZ << nl
        << "    other     :  number:" << mesh.nEdges() - nX - nY - nZ
        << "\tminLen:" << minOther
        << "\tmaxLen:" << maxOther << nl << endl;

    if (excludeCmpt == 0)
    {
        return min(minY, min(minZ, minOther));
    }
    else if (excludeCmpt == 1)
    {
        return min(minX, min(minZ, minOther));
    }
    else if (excludeCmpt == 2)
    {
        return min(minX, min(minY, minOther));
    }
    else
    {
        return min(minX, min(minY, min(minZ, minOther)));
    }
}

Example #2

File: refineMesh.C Project: GoldenMan123/openfoam-extend-foam-extend-3.1

// Calculate some edge statistics on mesh.
void printEdgeStats(const primitiveMesh& mesh)
{
    label nX = 0;
    label nY = 0;
    label nZ = 0;

    scalar minX = GREAT;
    scalar maxX = -GREAT;
    vector x(1, 0, 0);

    scalar minY = GREAT;
    scalar maxY = -GREAT;
    vector y(0, 1, 0);

    scalar minZ = GREAT;
    scalar maxZ = -GREAT;
    vector z(0, 0, 1);

    scalar minOther = GREAT;
    scalar maxOther = -GREAT;

    const edgeList& edges = mesh.edges();

    forAll (edges, edgeI)
    {
        const edge& e = edges[edgeI];

        vector eVec(e.vec(mesh.points()));

        scalar eMag = mag(eVec);

        eVec /= eMag;

        if (mag(eVec & x) > 1 - edgeTol)
        {
            minX = min(minX, eMag);
            maxX = max(maxX, eMag);
            nX++;
        }
        else if (mag(eVec & y) > 1 - edgeTol)
        {
            minY = min(minY, eMag);
            maxY = max(maxY, eMag);
            nY++;
        }
        else if (mag(eVec & z) > 1 - edgeTol)
        {
            minZ = min(minZ, eMag);
            maxZ = max(maxZ, eMag);
            nZ++;
        }
        else
        {
            minOther = min(minOther, eMag);
            maxOther = max(maxOther, eMag);
        }
    }

    Pout<< "Mesh edge statistics:" << endl
        << "    x aligned :  number:" << nX << "\tminLen:" << minX
        << "\tmaxLen:" << maxX << endl
        << "    y aligned :  number:" << nY << "\tminLen:" << minY
        << "\tmaxLen:" << maxY << endl
        << "    z aligned :  number:" << nZ << "\tminLen:" << minZ
        << "\tmaxLen:" << maxZ << endl
        << "    other     :  number:" << mesh.nEdges() - nX - nY - nZ
        << "\tminLen:" << minOther
        << "\tmaxLen:" << maxOther << endl << endl;
}