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

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend 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 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  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 "objectRegistry.H"
  34 #include "foamTime.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 // ************************************************************************* //