dune-grid
2.3.1
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#include <dune/grid/alugrid/3d/entity.hh>
Classes | |
struct | Codim |
Public Types | |
typedef GridImp::GridObjectFactoryType | FactoryType |
typedef GridImp::template Codim< 0 >::Geometry | Geometry |
typedef GridImp::template Codim< 0 >::LocalGeometry | LocalGeometry |
typedef ALU3dGridIntersectionIterator < GridImp > | IntersectionIteratorImp |
typedef LeafIntersectionIteratorWrapper < GridImp > | ALU3dGridIntersectionIteratorType |
typedef LeafIntersectionIteratorWrapper < GridImp > | ALU3dGridLeafIntersectionIteratorType |
typedef LevelIntersectionIteratorWrapper < GridImp > | ALU3dGridLevelIntersectionIteratorType |
typedef GridImp::template Codim< 0 >::Entity | Entity |
typedef GridImp::template Codim< 0 >::EntityPointer | EntityPointer |
typedef GridImp::template Codim< 0 >::EntitySeed | EntitySeed |
typedef of my type More... | |
enum | |
know your own codimension More... | |
enum | |
Dimension of the grid. More... | |
enum | |
Know dimension of the entity. More... | |
typedef GridImp::ctype | ctype |
define type used for coordinates in grid module More... | |
Public Member Functions | |
ALU3dGridEntity (const FactoryType &factory, int level) | |
Constructor creating empty Entity. More... | |
ALU3dGridEntity (const ALU3dGridEntity &org) | |
copy Constructor More... | |
int | level () const |
level of this element More... | |
Geometry | geometry () const |
geometry of this entity More... | |
GeometryType | type () const |
type of geometry of this entity More... | |
PartitionType | partitionType () const |
return partition type of this entity ( see grid.hh ) More... | |
template<int cc> | |
int | count () const |
template<int codim> | |
Codim< codim >::EntityPointer | subEntity (int i) const |
ALU3dGridLeafIntersectionIteratorType | ileafbegin () const |
ALU3dGridLeafIntersectionIteratorType | ileafend () const |
Reference to one past the last intersection with neighbor. More... | |
ALU3dGridLevelIntersectionIteratorType | ilevelbegin () const |
ALU3dGridLevelIntersectionIteratorType | ilevelend () const |
Reference to one past the last intersection with neighbor. More... | |
bool | isLeaf () const |
returns true if Entity is leaf (i.e. has no children) More... | |
EntityPointer | father () const |
bool | hasFather () const |
returns true if father entity exists More... | |
LocalGeometry | geometryInFather () const |
ALU3dGridHierarchicIterator < GridImp > | hbegin (int maxlevel) const |
ALU3dGridHierarchicIterator < GridImp > | hend (int maxlevel) const |
Returns iterator to one past the last son. More... | |
bool | isNew () const |
returns true, if entity was created during last adaptation cycle More... | |
bool | mightVanish () const |
returns true, if entity might be coarsened during next adaptation cycle More... | |
bool | hasBoundaryIntersections () const |
returns true, if entity has intersections with boundary More... | |
bool | mark (int refCount) const |
int | getMark () const |
return current adaptation mark for this entity More... | |
void | setElement (HElementType &element) |
void | setElement (const EntitySeed &seed) |
void | setGhost (HBndSegType &ghost) |
set original element pointer to fake entity More... | |
void | reset (int l) |
set actual walk level More... | |
void | removeElement () |
set item pointer to NULL More... | |
bool | equals (const ALU3dGridEntity< 0, dim, GridImp > &org) const |
compare 2 entities, which means compare the item pointers More... | |
void | setEntity (const ALU3dGridEntity< 0, dim, GridImp > &org) |
template<int cc> | |
int | getSubIndex (int i) const |
int | subIndex (int i, unsigned int codim) const |
const IMPLElementType & | getItem () const |
const BNDFaceType & | getGhost () const |
const GridImp & | grid () const |
return reference to grid More... | |
const FactoryType & | factory () const |
return reference to factory More... | |
bool | isGhost () const |
returns true if entity is ghost More... | |
EntitySeed | seed () const |
return key for this entity More... | |
Static Public Attributes | |
static const int | dimensionworld |
know your own dimension of world More... | |
A Grid is a container of grid entities. An entity is parametrized by the codimension. An entity of codimension c in dimension d is a d-c dimensional object.
Entities of codimension 0 ("elements") are defined through template specialization. Note that this specialization has an extended interface compared to the general case
Entities of codimension 0 allow to visit all neighbors, where a neighbor is an entity of codimension 0 which has a common entity of codimension 1 with the These neighbors are accessed via an iterator. This allows the implementation of non-matching meshes. The number of neigbors may be different from the number of faces/edges of an element!
typedef LeafIntersectionIteratorWrapper<GridImp> Dune::ALU3dGridEntity< 0, dim, GridImp >::ALU3dGridIntersectionIteratorType |
typedef LeafIntersectionIteratorWrapper<GridImp> Dune::ALU3dGridEntity< 0, dim, GridImp >::ALU3dGridLeafIntersectionIteratorType |
typedef LevelIntersectionIteratorWrapper<GridImp> Dune::ALU3dGridEntity< 0, dim, GridImp >::ALU3dGridLevelIntersectionIteratorType |
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inherited |
define type used for coordinates in grid module
typedef GridImp::template Codim<0>::Entity Dune::ALU3dGridEntity< 0, dim, GridImp >::Entity |
typedef GridImp::template Codim<0>::EntityPointer Dune::ALU3dGridEntity< 0, dim, GridImp >::EntityPointer |
typedef GridImp::template Codim<0>::EntitySeed Dune::ALU3dGridEntity< 0, dim, GridImp >::EntitySeed |
typedef of my type
typedef GridImp::GridObjectFactoryType Dune::ALU3dGridEntity< 0, dim, GridImp >::FactoryType |
typedef GridImp::template Codim< 0 >::Geometry Dune::ALU3dGridEntity< 0, dim, GridImp >::Geometry |
typedef ALU3dGridIntersectionIterator<GridImp> Dune::ALU3dGridEntity< 0, dim, GridImp >::IntersectionIteratorImp |
typedef GridImp::template Codim< 0 >::LocalGeometry Dune::ALU3dGridEntity< 0, dim, GridImp >::LocalGeometry |
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inherited |
know your own codimension
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inherited |
Dimension of the grid.
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Know dimension of the entity.
Dune::ALU3dGridEntity< 0, dim, GridImp >::ALU3dGridEntity | ( | const FactoryType & | factory, |
int | level | ||
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Constructor creating empty Entity.
Dune::ALU3dGridEntity< 0, dim, GridImp >::ALU3dGridEntity | ( | const ALU3dGridEntity< 0, dim, GridImp > & | org | ) |
copy Constructor
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Intra-element access to entities of codimension cc > codim. Return number of entities with codimension cc.
References Dune::ALU3dGridEntity< cd, dim, GridImp >::grid().
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compare 2 entities, which means compare the item pointers
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return reference to factory
EntityPointer Dune::ALU3dGridEntity< 0, dim, GridImp >::father | ( | ) | const |
Inter-level access to father element on coarser grid. Assumes that meshes are nested.
Geometry Dune::ALU3dGridEntity< 0, dim, GridImp >::geometry | ( | ) | const |
geometry of this entity
LocalGeometry Dune::ALU3dGridEntity< 0, dim, GridImp >::geometryInFather | ( | ) | const |
Location of this element relative to the reference element of the father. This is sufficient to interpolate all dofs in conforming case. Nonconforming may require access to neighbors of father and computations with local coordinates. On the fly case is somewhat inefficient since dofs are visited several times. If we store interpolation matrices, this is tolerable. We assume that on-the-fly implementation of numerical algorithms is only done for simple discretizations. Assumes that meshes are nested.
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int Dune::ALU3dGridEntity< 0, dim, GridImp >::getMark | ( | ) | const |
return current adaptation mark for this entity
int Dune::ALU3dGridEntity< 0, dim, GridImp >::getSubIndex | ( | int | i | ) | const |
return index of sub entity with codim = cc and local number i i.e. return global number of vertex i for use in hierarchical index set
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return reference to grid
bool Dune::ALU3dGridEntity< 0, dim, GridImp >::hasBoundaryIntersections | ( | ) | const |
returns true, if entity has intersections with boundary
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returns true if father entity exists
References Dune::ALU3dGridEntity< cd, dim, GridImp >::level().
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Inter-level access to son elements on higher levels<=maxlevel. This is provided for sparsely stored nested unstructured meshes. Returns iterator to first son.
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Returns iterator to one past the last son.
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Access to intersection with neighboring elements that are leaf elements. A neighbor is an entity of codimension 0 which has an entity of codimension 1 in commen with this entity. Access to neighbors is provided using iterators. This allows meshes to be nonmatching. Returns iterator referencing the first neighbor.
References Dune::ALU3dGridEntity< cd, dim, GridImp >::level().
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Reference to one past the last intersection with neighbor.
References Dune::ALU3dGridEntity< cd, dim, GridImp >::level().
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Intra-level access to intersection with neighboring elements. A neighbor is an entity of codimension 0 which has an entity of codimension 1 in commen with this entity. Access to neighbors is provided using iterators. This allows meshes to be nonmatching. Returns iterator referencing the first neighbor.
References Dune::ALU3dGridEntity< cd, dim, GridImp >::grid(), and Dune::ALU3dGridEntity< cd, dim, GridImp >::level().
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Reference to one past the last intersection with neighbor.
References Dune::ALU3dGridEntity< cd, dim, GridImp >::level().
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returns true if entity is ghost
Referenced by Dune::ALU3dGridEntityPointer< 0, GridImp >::ALU3dGridEntityPointer().
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returns true if Entity is leaf (i.e. has no children)
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returns true, if entity was created during last adaptation cycle
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level of this element
bool Dune::ALU3dGridEntity< 0, dim, GridImp >::mark | ( | int | refCount | ) | const |
marks an element for refCount refines. if refCount is negative the element is coarsend -refCount times mark returns true if element was marked, otherwise false
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returns true, if entity might be coarsened during next adaptation cycle
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return partition type of this entity ( see grid.hh )
References Dune::GhostEntity, and Dune::InteriorEntity.
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set item pointer to NULL
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set actual walk level
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return key for this entity
References Dune::ALU3dGridEntity< cd, dim, GridImp >::getItem().
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private methods, but public because of datahandle and template arguments of these methods
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set original element pointer to fake entity
Codim< codim >::EntityPointer Dune::ALU3dGridEntity< 0, dim, GridImp >::subEntity | ( | int | i | ) | const |
Provide access to mesh entity i of given codimension. Entities are numbered 0 ... count<cc>()-1
int Dune::ALU3dGridEntity< 0, dim, GridImp >::subIndex | ( | int | i, |
unsigned int | codim | ||
) | const |
return index of sub entity with codim = cc and local number i i.e. return global number of vertex i for use in hierarchical index set
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type of geometry of this entity
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know your own dimension of world