src/meshTools/sets/pointSources/surfaceToPoint/surfaceToPoint.C

   1 /*---------------------------------------------------------------------------*\
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   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 \*---------------------------------------------------------------------------*/
  26
  27 #include "surfaceToPoint.H"
  28 #include "polyMesh.H"
  29 #include "meshSearch.H"
  30 #include "triSurfaceSearch.H"
  31
  32 #include "addToRunTimeSelectionTable.H"
  33
  34 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  35
  36 namespace Foam
  37 {
  38
  39 defineTypeNameAndDebug(surfaceToPoint, 0);
  40
  41 addToRunTimeSelectionTable(topoSetSource, surfaceToPoint, word);
  42
  43 addToRunTimeSelectionTable(topoSetSource, surfaceToPoint, istream);
  44
  45 }
  46
  47
  48 Foam::topoSetSource::addToUsageTable Foam::surfaceToPoint::usage_
  49 (
  50     surfaceToPoint::typeName,
  51     "\n    Usage: surfaceToPoint <surface> <near> <inside> <outside>\n\n"
  52     "    <surface> name of triSurface\n"
  53     "    <near> scalar; include points with coordinate <= near to surface\n"
  54     "    <inside> boolean; whether to include points on opposite side of"
  55     " surface normal\n"
  56     "    <outside> boolean; whether to include points on this side of"
  57     " surface normal\n\n"
  58 );
  59
  60
  61 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
  62
  63 void Foam::surfaceToPoint::combine(topoSet& set, const bool add) const
  64 {
  65     cpuTime timer;
  66
  67     triSurface surf(surfName_);
  68
  69     Info<< "    Read surface from " << surfName_
  70         << " in = "<< timer.cpuTimeIncrement() << " s" << endl << endl;
  71
  72     // Construct search engine on surface
  73     triSurfaceSearch querySurf(surf);
  74
  75     if (includeInside_ || includeOutside_)
  76     {
  77         boolList pointInside(querySurf.calcInside(mesh_.points()));
  78
  79         forAll(pointInside, pointI)
  80         {
  81             bool isInside = pointInside[pointI];
  82
  83             if ((isInside && includeInside_) || (!isInside && includeOutside_))
  84             {
  85                 addOrDelete(set, pointI, add);
  86             }
  87         }
  88     }
  89
  90     if (nearDist_ > 0)
  91     {
  92         const pointField& meshPoints = mesh_.points();
  93
  94         // Box dimensions to search in octree.
  95         const vector span(nearDist_, nearDist_, nearDist_);
  96
  97         forAll(meshPoints, pointI)
  98         {
  99             const point& pt = meshPoints[pointI];
 100
 101             pointIndexHit inter = querySurf.nearest(pt, span);
 102
 103             if (inter.hit() && (mag(inter.hitPoint() - pt) < nearDist_))
 104             {
 105                 addOrDelete(set, pointI, add);
 106             }
 107         }
 108     }
 109 }
 110
 111
 112 void Foam::surfaceToPoint::checkSettings() const
 113 {
 114     if (nearDist_ < 0 && !includeInside_ && !includeOutside_)
 115     {
 116         FatalErrorIn("surfaceToPoint:checkSettings()")
 117             << "Illegal point selection specification."
 118             << " Result would be either all or no points." << endl
 119             << "Please set one of includeInside or includeOutside"
 120             << " to true, set nearDistance to a value > 0"
 121             << exit(FatalError);
 122     }
 123 }
 124
 125
 126 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 127
 128 // Construct from components
 129 Foam::surfaceToPoint::surfaceToPoint
 130 (
 131     const polyMesh& mesh,
 132     const fileName& surfName,
 133     const scalar nearDist,
 134     const bool includeInside,
 135     const bool includeOutside
 136 )
 137 :
 138     topoSetSource(mesh),
 139     surfName_(surfName),
 140     nearDist_(nearDist),
 141     includeInside_(includeInside),
 142     includeOutside_(includeOutside)
 143 {
 144     checkSettings();
 145 }
 146
 147
 148 // Construct from dictionary
 149 Foam::surfaceToPoint::surfaceToPoint
 150 (
 151     const polyMesh& mesh,
 152     const dictionary& dict
 153 )
 154 :
 155     topoSetSource(mesh),
 156     surfName_(dict.lookup("file")),
 157     nearDist_(readScalar(dict.lookup("nearDistance"))),
 158     includeInside_(readBool(dict.lookup("includeInside"))),
 159     includeOutside_(readBool(dict.lookup("includeOutside")))
 160 {
 161     checkSettings();
 162 }
 163
 164
 165 // Construct from Istream
 166 Foam::surfaceToPoint::surfaceToPoint
 167 (
 168     const polyMesh& mesh,
 169     Istream& is
 170 )
 171 :
 172     topoSetSource(mesh),
 173     surfName_(checkIs(is)),
 174     nearDist_(readScalar(checkIs(is))),
 175     includeInside_(readBool(checkIs(is))),
 176     includeOutside_(readBool(checkIs(is)))
 177 {
 178     checkSettings();
 179 }
 180
 181
 182 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 183
 184 Foam::surfaceToPoint::~surfaceToPoint()
 185 {}
 186
 187
 188 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 189
 190 void Foam::surfaceToPoint::applyToSet
 191 (
 192     const topoSetSource::setAction action,
 193     topoSet& set
 194 ) const
 195 {
 196     if ( (action == topoSetSource::NEW) || (action == topoSetSource::ADD))
 197     {
 198         Info<< "    Adding points in relation to surface " << surfName_
 199             << " ..." << endl;
 200
 201         combine(set, true);
 202     }
 203     else if (action == topoSetSource::DELETE)
 204     {
 205         Info<< "    Removing points in relation to surface " << surfName_
 206             << " ..." << endl;
 207
 208         combine(set, false);
 209     }
 210 }
 211
 212
 213 // ************************************************************************* //