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Reference documentation for deal.II version 9.1.1
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Reference documentation for deal.II version 9.1.1
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#include <deal.II/grid/tria_objects.h>
Public Member Functions | |
| bool | face_orientation (const unsigned int cell, const unsigned int face) const |
| void | reserve_space (const unsigned int new_objs) |
| void | clear () |
| void | monitor_memory (const unsigned int true_dimension) const |
| std::size_t | memory_consumption () const |
| template<class Archive > | |
| void | serialize (Archive &ar, const unsigned int version) |
 Public Member Functions inherited from internal::TriangulationImplementation::TriaObjects< TriaObject< 3 > > | |
| TriaObjects () | |
| void | reserve_space (const unsigned int new_objs_in_pairs, const unsigned int new_objs_single=0) |
| ::TriaRawIterator<::TriaAccessor< TriaObject< 3 > ::dimension, dim, spacedim > > | next_free_single_object (const ::Triangulation< dim, spacedim > &tria) |
| ::TriaRawIterator<::TriaAccessor< TriaObject< 3 > ::dimension, dim, spacedim > > | next_free_pair_object (const ::Triangulation< dim, spacedim > &tria) |
| typename ::Triangulation< dim, spacedim >::raw_hex_iterator | next_free_hex (const ::Triangulation< dim, spacedim > &tria, const unsigned int level) |
| void | clear () |
| bool | face_orientation (const unsigned int cell, const unsigned int face) const |
| void *& | user_pointer (const unsigned int i) |
| const void * | user_pointer (const unsigned int i) const |
| unsigned int & | user_index (const unsigned int i) |
| unsigned int | user_index (const unsigned int i) const |
| void | clear_user_data (const unsigned int i) |
| void | clear_user_data () |
| void | clear_user_flags () |
| void | monitor_memory (const unsigned int true_dimension) const |
| std::size_t | memory_consumption () const |
| void | serialize (Archive &ar, const unsigned int version) |
Public Attributes | |
| std::vector< bool > | face_orientations |
| std::vector< bool > | face_flips |
| std::vector< bool > | face_rotations |
| Public Attributes inherited from internal::TriangulationImplementation::TriaObjects< TriaObject< 3 > > | |
| std::vector< TriaObject< 3 > > | cells |
| std::vector< int > | children |
| std::vector< RefinementCase< TriaObject< 3 > ::dimension > > | refinement_cases |
| std::vector< bool > | used |
| std::vector< bool > | user_flags |
| std::vector< BoundaryOrMaterialId > | boundary_or_material_id |
| std::vector< types::manifold_id > | manifold_id |
Additional Inherited Members | |
| Static Public Member Functions inherited from internal::TriangulationImplementation::TriaObjects< TriaObject< 3 > > | |
| static ::ExceptionBase & | ExcMemoryInexact (int arg1, int arg2) |
| static ::ExceptionBase & | ExcPointerIndexClash () |
| Protected Types inherited from internal::TriangulationImplementation::TriaObjects< TriaObject< 3 > > | |
| enum | UserDataType |
| Protected Attributes inherited from internal::TriangulationImplementation::TriaObjects< TriaObject< 3 > > | |
| unsigned int | next_free_single |
| unsigned int | next_free_pair |
| bool | reverse_order_next_free_single |
| std::vector< UserData > | user_data |
| UserDataType | user_data_type |
For hexahedra the data of TriaObjects needs to be extended, as we can obtain faces (quads) in non-standard-orientation, therefore we declare a class TriaObjectsHex, which additionally contains a bool-vector of the face-orientations.
Definition at line 421 of file tria_objects.h.
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inline |
The orientation of the face number face of the cell with number cell. The return value is true, if the normal vector points the usual way (GeometryInfo::unit_normal_orientation) and false if they point in opposite direction.
Definition at line 765 of file tria_objects.h.
| void internal::TriangulationImplementation::TriaObjectsHex::reserve_space | ( | const unsigned int | new_objs | ) |
Assert that enough space is allocated to accommodate new_objs new objects. This function does not only call vector::reserve(), but does really append the needed elements.
Definition at line 170 of file tria_objects.cc.
| void internal::TriangulationImplementation::TriaObjectsHex::clear | ( | ) |
Clear all the data contained in this object.
Definition at line 409 of file tria_objects.cc.
| void internal::TriangulationImplementation::TriaObjectsHex::monitor_memory | ( | const unsigned int | true_dimension | ) | const |
Check the memory consistency of the different containers. Should only be called with the preprocessor flag DEBUG set. The function should be called from the functions of the higher TriaLevel classes.
Definition at line 349 of file tria_objects.cc.
| std::size_t internal::TriangulationImplementation::TriaObjectsHex::memory_consumption | ( | ) | const |
Determine an estimate for the memory consumption (in bytes) of this object.
Definition at line 442 of file tria_objects.cc.
| void internal::TriangulationImplementation::TriaObjectsHex::serialize | ( | Archive & | ar, |
| const unsigned int | version | ||
| ) |
Read or write the data of this object to or from a stream for the purpose of serialization
Definition at line 744 of file tria_objects.h.
| std::vector<bool> internal::TriangulationImplementation::TriaObjectsHex::face_orientations |
For edges, we enforce a standard convention that opposite edges should be parallel. Now, that's enforceable in most cases, and we have code that makes sure that if a mesh allows this to happen, that we have this convention. We also know that it is always possible to have opposite faces have parallel normal vectors. (For both things, see the paper by Agelek, Anderson, Bangerth, Barth in the ACM Transactions on Mathematical Software mentioned in the documentation of the GridReordering class.)
The problem is that we originally had another condition, namely that faces 0, 2 and 6 have normals that point into the cell, while the other faces have normals that point outward. It turns out that this is not always possible. In effect, we have to store whether the normal vector of each face of each cell follows this convention or not. If this is so, then this variable stores a true value, otherwise a false value.
In effect, this field has 6*n_cells elements, being the number of cells times the six faces each has.
Definition at line 457 of file tria_objects.h.
| std::vector<bool> internal::TriangulationImplementation::TriaObjectsHex::face_flips |
flip = rotation by 180 degrees
Definition at line 462 of file tria_objects.h.
| std::vector<bool> internal::TriangulationImplementation::TriaObjectsHex::face_rotations |
rotation by 90 degrees
Definition at line 467 of file tria_objects.h.
1.8.14