This class implements functionality for triangular meshes. More...
#include <TriangleCell.h>
Inheritance diagram for dolfin::TriangleCell:
Collaboration diagram for dolfin::TriangleCell:
Public Member Functions | |
| TriangleCell () | |
| Specify cell type and facet type. | |
| bool | is_simplex () const |
| Check if cell is a simplex. | |
| std::size_t | dim () const |
| Return topological dimension of cell. | |
| std::size_t | num_entities (std::size_t dim) const |
| Return number of entities of given topological dimension. | |
| std::size_t | num_vertices (std::size_t dim) const |
| Return number of vertices for entity of given topological dimension. | |
| std::size_t | orientation (const Cell &cell) const |
| Return orientation of the cell. | |
| 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. | |
| double | volume (const MeshEntity &triangle) const |
| Compute (generalized) volume (area) of triangle. | |
| double | circumradius (const MeshEntity &triangle) const |
| Compute diameter of triangle. | |
| double | squared_distance (const Cell &cell, const Point &point) const |
| Compute squared distance to given point (3D enabled) | |
| double | normal (const Cell &cell, std::size_t facet, std::size_t i) const |
| Compute component i of normal of given facet with respect to the cell. | |
| Point | normal (const Cell &cell, std::size_t facet) const |
| Compute of given facet with respect to the cell. | |
| Point | cell_normal (const Cell &cell) const |
| Compute normal to given cell (viewed as embedded in 3D) | |
| double | facet_area (const Cell &cell, std::size_t facet) const |
| Compute the area/length of given facet with respect to the cell. | |
| void | order (Cell &cell, const std::vector< std::int64_t > &local_to_global_vertex_indices) const |
| Order entities locally. | |
| bool | collides (const Cell &cell, const Point &point) const |
| Check whether given point collides with cell. | |
| bool | collides (const Cell &cell, const MeshEntity &entity) const |
| Check whether given entity collides with cell. | |
| std::string | description (bool plural) const |
| Return description of cell type. | |
| std::vector< std::int8_t > | vtk_mapping () const |
| Mapping of DOLFIN/UFC vertex ordering to VTK/XDMF ordering. | |
 Public Member Functions inherited from dolfin::CellType | |
| CellType (Type cell_type, Type facet_type) | |
| Constructor. | |
| virtual | ~CellType () |
| Destructor. | |
| Type | cell_type () const |
| Return type of cell. | |
| Type | facet_type () const |
| Return type of cell for facets. | |
| Type | entity_type (std::size_t i) const |
| Return type of cell for entity of dimension i. | |
| std::size_t | num_vertices () const |
| Return number of vertices for cell. | |
| std::size_t | orientation (const Cell &cell, const Point &up) const |
| Return orientation of the cell relative to given up direction. | |
| virtual double | h (const MeshEntity &entity) const |
| Compute greatest distance between any two vertices. | |
| virtual double | inradius (const Cell &cell) const |
| Compute inradius of cell. | |
| virtual double | radius_ratio (const Cell &cell) const |
| Compute dim*inradius/circumradius for given cell. | |
| bool | ordered (const Cell &cell, const std::vector< std::int64_t > &local_to_global_vertex_indices) const |
| Check if entities are ordered. | |
Static Public Member Functions | |
| static double | squared_distance (const Point &point, const Point &a, const Point &b, const Point &c) |
| Static Public Member Functions inherited from dolfin::CellType | |
| static CellType * | create (Type type) |
| Create cell type from type (factory function) | |
| static CellType * | create (std::string type) |
| Create cell type from string (factory function) | |
| static Type | string2type (std::string type) |
| Convert from string to cell type. | |
| static std::string | type2string (Type type) |
| Convert from cell type to string. | |
Additional Inherited Members | |
| Public Types inherited from dolfin::CellType | |
| enum | Type : int { point, interval, triangle, quadrilateral, tetrahedron, hexahedron } |
| Enum for different cell types. | |
| Static Protected Member Functions inherited from dolfin::CellType | |
| static void | sort_entities (std::size_t num_vertices, unsigned int *vertices, const std::vector< std::int64_t > &local_to_global_vertex_indices) |
| Sort vertices based on global entity indices. | |
| Protected Attributes inherited from dolfin::CellType | |
| Type | _cell_type |
| Type | _facet_type |
Detailed Description
This class implements functionality for triangular meshes.
Member Function Documentation
◆ squared_distance()
|
static |
Compute squared distance to given point. This version takes the three vertex coordinates as 3D points. This makes it possible to reuse this function for computing the (squared) distance to a tetrahedron.
The documentation for this class was generated from the following files:
- /home/fenics/shared/dolfin/dolfin/mesh/TriangleCell.h
- /home/fenics/shared/dolfin/dolfin/mesh/TriangleCell.cpp
