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) 1991-2009 OpenCFD Ltd.
   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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Application
  26     flattenMesh
  27
  28 Description
  29     Flattens the front and back planes of a 2D cartesian mesh.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "argList.H"
  34 #include "Time.H"
  35 #include "polyMesh.H"
  36 #include "emptyPolyPatch.H"
  37 #include "twoDPointCorrector.H"
  38
  39 using namespace Foam;
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42 //  Main program:
  43
  44 int main(int argc, char *argv[])
  45 {
  46 #   include "setRootCase.H"
  47 #   include "createTime.H"
  48 #   include "createPolyMesh.H"
  49
  50     pointIOField points
  51     (
  52         IOobject
  53         (
  54             "points",
  55             runTime.findInstance(polyMesh::meshSubDir, "points"),
  56             polyMesh::meshSubDir,
  57             runTime,
  58             IOobject::MUST_READ,
  59             IOobject::NO_WRITE,
  60             false
  61         )
  62     );
  63
  64     boundBox bb(points);
  65
  66     Info<< "bounding box: min = " << bb.min()
  67         << " max = " << bb.max() << " meters."
  68         << endl;
  69
  70
  71     point midPoint = gAverage(points);
  72
  73     twoDPointCorrector twoDCorr(mesh);
  74
  75     direction planeNormalCmpt = twoDCorr.normalDir();
  76
  77     scalar midCmptVal = midPoint[planeNormalCmpt];
  78     scalar minCmptVal = bb.min()[planeNormalCmpt];
  79     scalar maxCmptVal = bb.max()[planeNormalCmpt];
  80
  81     forAll(points, pointI)
  82     {
  83         if (points[pointI][planeNormalCmpt] < midCmptVal)
  84         {
  85             points[pointI][planeNormalCmpt] = minCmptVal;
  86         }
  87         else
  88         {
  89             points[pointI][planeNormalCmpt] = maxCmptVal;
  90         }
  91     }
  92
  93     twoDCorr.correctPoints(points);
  94
  95     // Set the precision of the points data to 10
  96     IOstream::defaultPrecision(10);
  97
  98     Info << "Writing points into directory " << points.path() << nl << endl;
  99     points.write();
 100
 101     return 0;
 102 }
 103
 104
 105 // ************************************************************************* //