opm-core/opm/core/grid/GridUtilities.hpp
2014-12-01 14:21:16 +01:00

43 lines
1.5 KiB
C++

/*
Copyright 2014 SINTEF ICT, Applied Mathematics.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_GRIDUTILITIES_HEADER_INCLUDED
#define OPM_GRIDUTILITIES_HEADER_INCLUDED
#include <opm/core/grid.h>
#include <opm/core/utility/SparseTable.hpp>
namespace Opm
{
/// For each cell, find indices of all cells sharing a vertex with it.
/// \param[in] grid A grid object.
/// \return A table of neighbour cell-indices by cell.
SparseTable<int> cellNeighboursAcrossVertices(const UnstructuredGrid& grid);
/// For each cell, order the (cell) neighbours counterclockwise.
/// \param[in] grid A 2d grid object.
/// \param[in, out] nb A cell-cell neighbourhood table, such as from vertexNeighbours().
void orderCounterClockwise(const UnstructuredGrid& grid,
SparseTable<int>& nb);
} // namespace Opm
#endif // OPM_GRIDUTILITIES_HEADER_INCLUDED