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IntervalCell.h
// Copyright (C) 2006-2017 Anders Logg
//
// 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 Kristoffer Selim 2008
//
// First added: 2006-06-05
// Last changed: 2017-09-26
#ifndef __INTERVAL_CELL_H
#define __INTERVAL_CELL_H
#include <string>
#include <vector>
#include <boost/multi_array.hpp>
#include "CellType.h"
namespace dolfin
{
class Cell;
class MeshEditor;
class MeshEntity;
template<typename T> class MeshFunction;
class IntervalCell : public CellType
{
public:
IntervalCell() : CellType(Type::interval, Type::point) {}
bool is_simplex() const
{ return true; }
std::size_t dim() const;
std::size_t num_entities(std::size_t dim) const;
std::size_t num_vertices(std::size_t dim) const;
std::size_t orientation(const Cell& cell) const;
void create_entities(boost::multi_array<unsigned int, 2>& e,
std::size_t dim,
const unsigned int* v) const;
double volume(const MeshEntity& interval) const;
double circumradius(const MeshEntity& interval) const;
double squared_distance(const Cell& cell, const Point& point) const;
static double squared_distance(const Point& point,
const Point& a,
const Point& b);
double normal(const Cell& cell, std::size_t facet, std::size_t i) const;
Point normal(const Cell& cell, std::size_t facet) const;
Point cell_normal(const Cell& cell) const;
double facet_area(const Cell& cell, std::size_t facet) const;
void order(Cell& cell, const std::vector<std::int64_t>&
local_to_global_vertex_indices) const;
virtual
bool collides(const Cell& cell, const Point& point) const;
virtual
bool collides(const Cell& cell, const MeshEntity& entity) const;
std::string description(bool plural) const;
std::vector<std::int8_t> vtk_mapping() const
{ return {0, 1}; }
};
}
#endif
dolfin::CellType::num_vertices
std::size_t num_vertices() const
Return number of vertices for cell.
Definition CellType.h:92
dolfin::CellType::CellType
CellType(Type cell_type, Type facet_type)
Constructor.
Definition CellType.cpp:44
dolfin::CellType::Type
Type
Enum for different cell types.
Definition CellType.h:51
dolfin::Cell
A Cell is a MeshEntity of topological codimension 0.
Definition Cell.h:43
dolfin::IntervalCell::description
std::string description(bool plural) const
Return description of cell type.
Definition IntervalCell.cpp:252
dolfin::IntervalCell::order
void order(Cell &cell, const std::vector< std::int64_t > &local_to_global_vertex_indices) const
Order entities locally.
Definition IntervalCell.cpp:225
dolfin::IntervalCell::normal
double normal(const Cell &cell, std::size_t facet, std::size_t i) const
Definition IntervalCell.cpp:166
dolfin::IntervalCell::create_entities
void create_entities(boost::multi_array< unsigned int, 2 > &e, std::size_t dim, const unsigned int *v) const
Create entities e of given topological dimension from vertices v.
Definition IntervalCell.cpp:83
dolfin::IntervalCell::dim
std::size_t dim() const
Return topological dimension of cell.
Definition IntervalCell.cpp:38
dolfin::IntervalCell::IntervalCell
IntervalCell()
Specify cell type and facet type.
Definition IntervalCell.h:46
dolfin::IntervalCell::circumradius
double circumradius(const MeshEntity &interval) const
Compute circumradius of interval.
Definition IntervalCell.cpp:116
dolfin::IntervalCell::vtk_mapping
std::vector< std::int8_t > vtk_mapping() const
Mapping of DOLFIN/UFC vertex ordering to VTK/XDMF ordering.
Definition IntervalCell.h:116
dolfin::IntervalCell::volume
double volume(const MeshEntity &interval) const
Compute (generalized) volume (length) of interval.
Definition IntervalCell.cpp:95
dolfin::IntervalCell::collides
virtual bool collides(const Cell &cell, const Point &point) const
Check whether given point collides with cell.
Definition IntervalCell.cpp:242
dolfin::IntervalCell::cell_normal
Point cell_normal(const Cell &cell) const
Compute normal to given cell (viewed as embedded in 2D).
Definition IntervalCell.cpp:193
dolfin::IntervalCell::is_simplex
bool is_simplex() const
Check if cell is a simplex.
Definition IntervalCell.h:49
dolfin::IntervalCell::squared_distance
double squared_distance(const Cell &cell, const Point &point) const
Compute squared distance to given point (3D enabled).
Definition IntervalCell.cpp:130
dolfin::IntervalCell::num_entities
std::size_t num_entities(std::size_t dim) const
Return number of entities of given topological dimension.
Definition IntervalCell.cpp:43
dolfin::IntervalCell::facet_area
double facet_area(const Cell &cell, std::size_t facet) const
Compute the area/length of given facet with respect to the cell.
Definition IntervalCell.cpp:220
dolfin::IntervalCell::orientation
std::size_t orientation(const Cell &cell) const
Return orientation of the cell (assuming flat space).
Definition IntervalCell.cpp:77
dolfin::MeshEditor
Definition MeshEditor.h:37
dolfin::MeshEntity
Definition MeshEntity.h:43
dolfin::MeshFunction
Definition MeshFunction.h:58
dolfin::Point
Definition Point.h:41
dolfin
Definition adapt.h:30