CGAL 6.2 - 3D Simplicial Mesh Data Structures: SimplicialMeshCellBase_3 Concept Reference

CGAL 6.2 - 3D Simplicial Mesh Data Structures

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SimplicialMeshCellBase_3 Concept Reference
Reference Manual » Concepts

## Definition

The concept `SimplicialMeshCellBase_3` describes the requirements for the `TriangulationDataStructure_3::Cell` type of the triangulation used in a 3D simplicial mesh data structure.

The type `SimplicialMeshCellBase_3` refines the concept `TriangulationCellBase_3` and must be copy constructible. The concept `SimplicialMeshCellBase_3` includes a way to store and retrieve if a given cell of the triangulation is inside a subdomain or not, and which subdomain it belongs to in case of a multi-domain.

Moreover, this concept adds four markers per cell to mark the facets of the triangulation that are surface facets.

Refines
  `TriangulationCellBase_3`
  `CopyConstructible`

Has models
  `CGAL::Compact_mesh_cell_base_3`
  `CGAL::Mesh_cell_base_3`
  `CGAL::Simplicial_mesh_cell_base_3`
  `CGAL::Tetrahedral_remeshing::Remeshing_cell_base_3`

## Types
typedef unspecified_type | Subdomain_index
| Type of indices for cells of the mesh complex.
typedef unspecified_type | Surface_patch_index
| Type of indices for surface patches of the mesh complex.

## Operations
Subdomain_index | subdomain_index ()
| returns the index of the input subdomain that contains the cell.
void | set_subdomain_index (Subdomain_index index)
| Sets the subdomain index of the cell.
bool | is_facet_on_surface (int i)
| returns `true` iff `facet(i)` is a surface facet.
Surface_patch_index | surface_patch_index (int i)
| returns `Surface_patch_index` of facet `i`.
void | set_surface_patch_index (int i, Surface_patch_index index)
| sets `Surface_patch_index` of facet `i` to `index`.

## Member Typedef Documentation

## ◆ Subdomain_index

typedef unspecified_type SimplicialMeshCellBase_3::Subdomain_index

Type of indices for cells of the mesh complex.

Must match the type `MeshDomain_3::Subdomain_index` in the context of mesh generation.

## ◆ Surface_patch_index

typedef unspecified_type SimplicialMeshCellBase_3::Surface_patch_index

Type of indices for surface patches of the mesh complex.

Must match the type `MeshDomain_3::Surface_patch_index` in the context of mesh generation.