interpolatePointToCell.C
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | www.openfoam.com
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8  Copyright (C) 2011-2016 OpenFOAM Foundation
9 -------------------------------------------------------------------------------
10 License
11  This file is part of OpenFOAM.
12 
13  OpenFOAM is free software: you can redistribute it and/or modify it
14  under the terms of the GNU General Public License as published by
15  the Free Software Foundation, either version 3 of the License, or
16  (at your option) any later version.
17 
18  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
19  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
20  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21  for more details.
22 
23  You should have received a copy of the GNU General Public License
24  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
25 
26 \*---------------------------------------------------------------------------*/
27 
28 #include "interpolatePointToCell.H"
29 
30 // * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
31 
32 template<class Type>
34 (
36  const label celli
37 )
38 {
39  const primitiveMesh& mesh = ptf.mesh()();
40 
41  const cell& cFaces = mesh.cells()[celli];
42 
43  labelHashSet pointHad(10*cFaces.size());
44 
45  Type sum = Zero;
46 
47  forAll(cFaces, i)
48  {
49  const face& f = mesh.faces()[cFaces[i]];
50 
51  forAll(f, fp)
52  {
53  label v = f[fp];
54 
55  if (pointHad.insert(v))
56  {
57  sum += ptf[v];
58  }
59  }
60  }
61 
62  return sum/pointHad.size();
63 }
64 
65 
66 // ************************************************************************* //
void size(const label n)
Older name for setAddressableSize.
Definition: UList.H:116
dimensioned< Type > sum(const DimensionedField< Type, GeoMesh > &f1)
A face is a list of labels corresponding to mesh vertices.
Definition: face.H:68
Cell-face mesh analysis engine.
Definition: primitiveMesh.H:75
#define forAll(list, i)
Loop across all elements in list.
Definition: stdFoam.H:421
dynamicFvMesh & mesh
const Mesh & mesh() const noexcept
Return mesh.
labelList f(nPoints)
Type interpolatePointToCell(const GeometricField< Type, pointPatchField, pointMesh > &ptf, const label celli)
A cell is defined as a list of faces with extra functionality.
Definition: cell.H:53
Interpolates (averages) the vertex values to the cell center.
static constexpr const zero Zero
Global zero (0)
Definition: zero.H:127