applications/utilities/mesh/manipulation/flattenMesh/flattenMesh.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Application
  25     flattenMesh
  26
  27 Description
  28     Flattens the front and back planes of a 2D cartesian mesh.
  29
  30 \*---------------------------------------------------------------------------*/
  31
  32 #include "argList.H"
  33 #include "Time.H"
  34 #include "polyMesh.H"
  35 #include "emptyPolyPatch.H"
  36 #include "twoDPointCorrector.H"
  37
  38 using namespace Foam;
  39
  40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  41 //  Main program:
  42
  43 int main(int argc, char *argv[])
  44 {
  45 #   include "setRootCase.H"
  46 #   include "createTime.H"
  47 #   include "createPolyMesh.H"
  48
  49     pointIOField points
  50     (
  51         IOobject
  52         (
  53             "points",
  54             runTime.findInstance(polyMesh::meshSubDir, "points"),
  55             polyMesh::meshSubDir,
  56             runTime,
  57             IOobject::MUST_READ,
  58             IOobject::NO_WRITE,
  59             false
  60         )
  61     );
  62
  63     boundBox bb(points);
  64
  65     Info<< "bounding box: min = " << bb.min()
  66         << " max = " << bb.max() << " meters."
  67         << endl;
  68
  69
  70     point midPoint = gAverage(points);
  71
  72     twoDPointCorrector twoDCorr(mesh);
  73
  74     direction planeNormalCmpt = twoDCorr.normalDir();
  75
  76     scalar midCmptVal = midPoint[planeNormalCmpt];
  77     scalar minCmptVal = bb.min()[planeNormalCmpt];
  78     scalar maxCmptVal = bb.max()[planeNormalCmpt];
  79
  80     forAll(points, pointI)
  81     {
  82         if (points[pointI][planeNormalCmpt] < midCmptVal)
  83         {
  84             points[pointI][planeNormalCmpt] = minCmptVal;
  85         }
  86         else
  87         {
  88             points[pointI][planeNormalCmpt] = maxCmptVal;
  89         }
  90     }
  91
  92     twoDCorr.correctPoints(points);
  93
  94     // Set the precision of the points data to 10
  95     IOstream::defaultPrecision(10);
  96
  97     Info<< "Writing points into directory " << points.path() << nl << endl;
  98     points.write();
  99
 100     return 0;
 101 }
 102
 103
 104 // ************************************************************************* //