applications/utilities/mesh/manipulation/insideCells/insideCells.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright held by original author
   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 Description
  26     Picks up cells with cell centre 'inside' of surface. Requires surface
  27     to be closed and singly connected.
  28
  29 \*---------------------------------------------------------------------------*/
  30
  31 #include "argList.H"
  32 #include "objectRegistry.H"
  33 #include "Time.H"
  34 #include "polyMesh.H"
  35 #include "triSurface.H"
  36 #include "triSurfaceSearch.H"
  37 #include "cellSet.H"
  38
  39 using namespace Foam;
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42
  43 // Main program:
  44
  45 int main(int argc, char *argv[])
  46 {
  47     Foam::argList::noParallel();
  48     Foam::argList::validArgs.append("surface file");
  49     Foam::argList::validArgs.append("destination cellSet");
  50
  51 #   include "setRootCase.H"
  52 #   include "createTime.H"
  53 #   include "createPolyMesh.H"
  54
  55     fileName surfName(args.additionalArgs()[0]);
  56
  57     fileName setName(args.additionalArgs()[1]);
  58
  59
  60     // Read surface
  61     Info<< "Reading surface from " << surfName << endl;
  62     triSurface surf(surfName);
  63
  64     // Destination cellSet.
  65     cellSet insideCells(mesh, setName, IOobject::NO_READ);
  66
  67
  68     // Construct search engine on surface
  69     triSurfaceSearch querySurf(surf);
  70
  71     boolList inside(querySurf.calcInside(mesh.cellCentres()));
  72
  73     forAll(inside, cellI)
  74     {
  75         if (inside[cellI])
  76         {
  77             insideCells.insert(cellI);
  78         }
  79     }
  80
  81
  82     Info<< "Selected " << insideCells.size()
  83         << " cells out of " << mesh.nCells() << endl
  84         << endl
  85         << "Writing selected cells to cellSet " << insideCells.name()
  86         << endl << endl
  87         << "Use this cellSet e.g. with subsetMesh : " << endl << endl
  88         << "    subsetMesh <root> <case> " << insideCells.name()
  89         << endl << endl;
  90
  91     insideCells.write();
  92
  93     Info << "End\n" << endl;
  94
  95     return 0;
  96 }
  97
  98
  99 // ************************************************************************* //