Creation of OpenFOAM-dev repository 15/04/2008

applications/utilities/mesh/advanced/selectCells/edgeStats.C

@@ -0,0 +1,222 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2007 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+\*---------------------------------------------------------------------------*/
+
+#include "edgeStats.H"
+#include "Time.H"
+#include "polyMesh.H"
+#include "Ostream.H"
+#include "twoDPointCorrector.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+const Foam::scalar Foam::edgeStats::edgeTol_ = 1E-3;
+
+
+
+// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
+
+Foam::direction Foam::edgeStats::getNormalDir
+(
+    const twoDPointCorrector* correct2DPtr
+) const
+{
+    direction dir = 3;
+
+    if (correct2DPtr)
+    {
+        const vector& normal = correct2DPtr->planeNormal();
+
+        if (mag(normal & vector(1, 0, 0)) > 1-edgeTol_)
+        {
+            dir = 0;
+        }
+        else if (mag(normal & vector(0, 1, 0)) > 1-edgeTol_)
+        {
+            dir = 1;
+        }
+        else if (mag(normal & vector(0, 0, 1)) > 1-edgeTol_)
+        {
+            dir = 2;
+        }
+    }
+    return dir;
+}
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+// Construct from mesh
+Foam::edgeStats::edgeStats(const polyMesh& mesh)
+:
+    mesh_(mesh),
+    normalDir_(3)
+{
+    IOobject motionObj
+    (
+        "motionProperties",
+        mesh.time().constant(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::NO_WRITE
+    );
+
+    if (motionObj.headerOk())
+    {
+        Info<< "Reading " << mesh.time().constant() / "motionProperties"
+            << endl << endl;
+
+        IOdictionary motionProperties(motionObj);
+
+        Switch twoDMotion(motionProperties.lookup("twoDMotion"));
+
+        if (twoDMotion)
+        {
+            Info<< "Correcting for 2D motion" << endl << endl;
+
+            autoPtr<twoDPointCorrector> correct2DPtr
+            (
+                new twoDPointCorrector(mesh)
+            );
+
+            normalDir_ = getNormalDir(&correct2DPtr());
+        }
+    }
+}
+
+
+// Construct from components
+Foam::edgeStats::edgeStats
+(
+    const polyMesh& mesh,
+    const twoDPointCorrector* correct2DPtr
+)
+:
+    mesh_(mesh),
+    normalDir_(getNormalDir(correct2DPtr))
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+Foam::scalar Foam::edgeStats::minLen(Ostream& os) const
+{
+    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);
+        }
+    }
+
+    os  << "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 (normalDir_ == 0)
+    {
+        return min(minY, min(minZ, minOther));
+    }
+    else if (normalDir_ == 1)
+    {
+        return min(minX, min(minZ, minOther));
+    }
+    else if (normalDir_ == 2)
+    {
+        return min(minX, min(minY, minOther));
+    }
+    else
+    {
+        return min(minX, min(minY, min(minZ, minOther)));
+    }
+}
+
+
+// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
+
+
+// * * * * * * * * * * * * * * * Friend Functions  * * * * * * * * * * * * * //
+
+
+// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+
+
+// ************************************************************************* //