src/meshTools/searchableSurface/searchablePlane.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 \*---------------------------------------------------------------------------*/
  26
  27 #include "searchablePlane.H"
  28 #include "addToRunTimeSelectionTable.H"
  29 #include "SortableList.H"
  30
  31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  32
  33 namespace Foam
  34 {
  35
  36 defineTypeNameAndDebug(searchablePlane, 0);
  37 addToRunTimeSelectionTable(searchableSurface, searchablePlane, dict);
  38
  39 }
  40
  41
  42 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
  43
  44 Foam::pointIndexHit Foam::searchablePlane::findLine
  45 (
  46     const point& start,
  47     const point& end
  48 ) const
  49 {
  50     pointIndexHit info(true, vector::zero, 0);
  51
  52     linePointRef l(start, end);
  53
  54     scalar t = lineIntersect(l);
  55
  56     if (t < 0 || t > 1)
  57     {
  58         info.setMiss();
  59         info.setIndex(-1);
  60     }
  61     else
  62     {
  63         info.setPoint(start+t*l.vec());
  64     }
  65
  66     return info;
  67 }
  68
  69
  70 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  71
  72 Foam::searchablePlane::searchablePlane
  73 (
  74     const IOobject& io,
  75     const point& basePoint,
  76     const vector& normal
  77 )
  78 :
  79     searchableSurface(io),
  80     plane(basePoint, normal)
  81 {}
  82
  83
  84 Foam::searchablePlane::searchablePlane
  85 (
  86     const IOobject& io,
  87     const dictionary& dict
  88 )
  89 :
  90     searchableSurface(io),
  91     plane(dict)
  92 {}
  93
  94
  95 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
  96
  97 Foam::searchablePlane::~searchablePlane()
  98 {}
  99
 100
 101 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 102
 103 const Foam::wordList& Foam::searchablePlane::regions() const
 104 {
 105     if (regions_.empty())
 106     {
 107         regions_.setSize(1);
 108         regions_[0] = "region0";
 109     }
 110     return regions_;
 111 }
 112
 113
 114 void Foam::searchablePlane::findNearest
 115 (
 116     const pointField& samples,
 117     const scalarField& nearestDistSqr,
 118     List<pointIndexHit>& info
 119 ) const
 120 {
 121     info.setSize(samples.size());
 122
 123     forAll(samples, i)
 124     {
 125         info[i].setPoint(nearestPoint(samples[i]));
 126
 127         if (magSqr(samples[i]-info[i].rawPoint()) > nearestDistSqr[i])
 128         {
 129             info[i].setIndex(-1);
 130             info[i].setMiss();
 131         }
 132         else
 133         {
 134             info[i].setIndex(0);
 135             info[i].setHit();
 136         }
 137     }
 138 }
 139
 140
 141 void Foam::searchablePlane::findLine
 142 (
 143     const pointField& start,
 144     const pointField& end,
 145     List<pointIndexHit>& info
 146 ) const
 147 {
 148     info.setSize(start.size());
 149
 150     forAll(start, i)
 151     {
 152         info[i] = findLine(start[i], end[i]);
 153     }
 154 }
 155
 156
 157 void Foam::searchablePlane::findLineAny
 158 (
 159     const pointField& start,
 160     const pointField& end,
 161     List<pointIndexHit>& info
 162 ) const
 163 {
 164     findLine(start, end, info);
 165 }
 166
 167
 168 void Foam::searchablePlane::findLineAll
 169 (
 170     const pointField& start,
 171     const pointField& end,
 172     List<List<pointIndexHit> >& info
 173 ) const
 174 {
 175     List<pointIndexHit> nearestInfo;
 176     findLine(start, end, nearestInfo);
 177
 178     info.setSize(start.size());
 179     forAll(info, pointI)
 180     {
 181         if (nearestInfo[pointI].hit())
 182         {
 183             info[pointI].setSize(1);
 184             info[pointI][0] = nearestInfo[pointI];
 185         }
 186         else
 187         {
 188             info[pointI].clear();
 189         }
 190     }
 191 }
 192
 193
 194 void Foam::searchablePlane::getRegion
 195 (
 196     const List<pointIndexHit>& info,
 197     labelList& region
 198 ) const
 199 {
 200     region.setSize(info.size());
 201     region = 0;
 202 }
 203
 204
 205 void Foam::searchablePlane::getNormal
 206 (
 207     const List<pointIndexHit>& info,
 208     vectorField& n
 209 ) const
 210 {
 211     n.setSize(info.size());
 212     n = normal();
 213 }
 214
 215
 216 void Foam::searchablePlane::getVolumeType
 217 (
 218     const pointField& points,
 219     List<volumeType>& volType
 220 ) const
 221 {
 222     FatalErrorIn
 223     (
 224         "searchableCollection::getVolumeType(const pointField&"
 225         ", List<volumeType>&) const"
 226     )   << "Volume type not supported for plane."
 227         << exit(FatalError);
 228 }
 229
 230
 231 // ************************************************************************* //