/usr/include/dolfin/refinement/refine.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | // Copyright (C) 2010 Garth N. Wells
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Anders Logg, 2010.
//
// First added: 2010-02-10
// Last changed: 2013-05-12
//
// This file defines free functions for mesh refinement.
//
#ifndef __DOLFIN_REFINE_H
#define __DOLFIN_REFINE_H
namespace dolfin
{
// Forward declarations
class Mesh;
class MeshHierarchy;
template <typename T> class MeshFunction;
/// Create uniformly refined mesh
///
/// @param mesh (_Mesh_)
/// The mesh to refine.
/// @param redistribute (_bool_)
/// Optional argument to redistribute the refined mesh if mesh is a
/// distributed mesh.
///
/// @return _Mesh_
/// The refined mesh.
///
/// @code{.cpp}
/// mesh = refine(mesh);
/// @endcode
///
Mesh refine(const Mesh& mesh, bool redistribute = true);
/// Refine a MeshHierarchy
std::shared_ptr<const MeshHierarchy> refine(
const MeshHierarchy& hierarchy,
const MeshFunction<bool>& markers);
/// Create uniformly refined mesh
///
/// @param refined_mesh (_Mesh_)
/// The mesh that will be the refined mesh.
/// @param mesh (_Mesh_)
/// The original mesh.
/// @param redistribute (_bool_)
/// Optional argument to redistribute the refined mesh if mesh is a
/// distributed mesh.
void refine(Mesh& refined_mesh, const Mesh& mesh,
bool redistribute = true);
/// Create locally refined mesh
///
/// @param mesh (_Mesh_)
/// The mesh to refine.
/// @param cell_markers (_MeshFunction<bool>_)
/// A mesh function over booleans specifying which cells
/// that should be refined (and which should not).
/// @param redistribute (_bool_)
/// Optional argument to redistribute the refined mesh if mesh is a
/// distributed mesh.
///
/// @return _Mesh_
/// The locally refined mesh.
///
/// @code{.cpp}
/// MeshFunction<bool> cell_markers(mesh, mesh->topology().dim());
/// cell_markers.set_all(false);
/// Point origin(0.0, 0.0, 0.0);
/// for (CellIterator cell(mesh); !cell.end(); ++cell)
/// {
/// Point p = cell->midpoint();
/// if (p.distance(origin) < 0.1)
/// cell_markers[*cell] = true;
/// }
/// mesh = refine(mesh, cell_markers);
/// @endcode
///
Mesh refine(const Mesh& mesh, const MeshFunction<bool>& cell_markers,
bool redistribute = true);
/// Create locally refined mesh
///
/// @param refined_mesh (_Mesh_)
/// The mesh that will be the refined mesh.
/// @param mesh (_Mesh_)
/// The original mesh.
/// @param cell_markers (_MeshFunction<bool>_)
/// A mesh function over booleans specifying which cells
/// that should be refined (and which should not).
/// @param redistribute (_bool_)
/// Optional argument to redistribute the refined mesh if mesh is a
/// distributed mesh.
void refine(Mesh& refined_mesh, const Mesh& mesh,
const MeshFunction<bool>& cell_markers, bool redistribute = true);
/// Increase the polynomial order of the mesh from 1 to 2, i.e. add points
/// at the Edge midpoints, to make a quadratic mesh.
///
/// @param refined_mesh (_Mesh_)
/// The mesh that will be the quadratic mesh.
/// @param mesh (_Mesh_)
/// The original linear mesh.
void p_refine(Mesh& refined_mesh, const Mesh& mesh);
/// Return a p_refined mesh
/// Increase the polynomial order of the mesh from 1 to 2, i.e. add points
/// at the Edge midpoints, to make a quadratic mesh.
///
/// @param mesh (_Mesh_)
/// The original linear mesh.
/// @return _Mesh_
Mesh p_refine(const Mesh& mesh);
}
#endif
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