dune-grid-glue  2.3.0
Public Types | Public Member Functions | Public Attributes | Protected Types | Protected Member Functions | Protected Attributes | List of all members
Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T > Class Template Referenceabstract

Computing overlapping grid intersections for grids of different dimensions. More...

#include <dune/grid-glue/merging/overlappingmerge.hh>

Inheritance diagram for Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >:
Inheritance graph

Public Types

typedef T ctype
 the numeric type used in this interface More...
 
typedef Dune::FieldVector< T,
dimworld > 
WorldCoords
 the coordinate type used in this interface More...
 
typedef Merger< T, grid1Dim,
grid2Dim, dimworld >
::Grid1Coords 
Grid1Coords
 Type used for local coordinates on the grid1 side. More...
 
typedef Merger< T, grid1Dim,
grid2Dim, dimworld >
::Grid2Coords 
Grid2Coords
 Type used for local coordinates on the grid2 side. More...
 

Public Member Functions

 OverlappingMerge ()
 the coordinate type used in this interface More...
 
virtual void build (const std::vector< Dune::FieldVector< T, dimworld > > &grid1_Coords, const std::vector< unsigned int > &grid1_elements, const std::vector< Dune::GeometryType > &grid1_element_types, const std::vector< Dune::FieldVector< T, dimworld > > &grid2_coords, const std::vector< unsigned int > &grid2_elements, const std::vector< Dune::GeometryType > &grid2_element_types)
 builds the merged grid More...
 
unsigned int nSimplices () const
 get the number of simplices in the merged grid The indices are then in 0..nSimplices()-1 More...
 
void clear ()
 
unsigned int parents (unsigned int idx) const
 
unsigned int parent (unsigned int idx, unsigned int parId=0) const
 get index of grid-n's parent simplex for given merged grid simplex More...
 
bool simplexRefined (unsigned int idx, std::vector< unsigned int > &indices) const
 get the merged grid simplices refining a given grid-n simplex More...
 
GridTraits< n >::Coords parentLocal (unsigned int idx, unsigned int corner, unsigned int parId=0) const
 get the grid-n parent's simplex local coordinates for a particular merged grid simplex corner (parent's index can be obtained via "parent<n>") More...
 

Public Attributes

unsigned int counter
 Counts the number of times the computeIntersection method has been called. More...
 

Protected Types

typedef StandardMerge< T, dim1,
dim2, dimworld >
::RemoteSimplicialIntersection 
RemoteSimplicialIntersection
 

Protected Member Functions

void computeIntersections (const Dune::GeometryType &grid1ElementType, const std::vector< Dune::FieldVector< T, dimworld > > &grid1ElementCorners, std::bitset<(1<< dim1)> &neighborIntersects1, unsigned int grid1Index, const Dune::GeometryType &grid2ElementType, const std::vector< Dune::FieldVector< T, dimworld > > &grid2ElementCorners, std::bitset<(1<< dim2)> &neighborIntersects2, unsigned int grid2Index, std::vector< RemoteSimplicialIntersection > &intersections)
 Compute the intersection between two overlapping elements. More...
 
virtual void computeIntersections (const Dune::GeometryType &grid1ElementType, const std::vector< Dune::FieldVector< T, dimworld > > &grid1ElementCorners, std::bitset<(1<< grid1Dim)> &neighborIntersects1, unsigned int grid1Index, const Dune::GeometryType &grid2ElementType, const std::vector< Dune::FieldVector< T, dimworld > > &grid2ElementCorners, std::bitset<(1<< grid2Dim)> &neighborIntersects2, unsigned int grid2Index, std::vector< RemoteSimplicialIntersection > &intersections)=0
 Compute the intersection between two overlapping elements. More...
 
bool computeIntersection (unsigned int candidate0, unsigned int candidate1, const std::vector< Dune::FieldVector< T, dimworld > > &grid1Coords, const std::vector< Dune::GeometryType > &grid1_element_types, std::bitset<(1<< grid1Dim)> &neighborIntersects1, const std::vector< Dune::FieldVector< T, dimworld > > &grid2Coords, const std::vector< Dune::GeometryType > &grid2_element_types, std::bitset<(1<< grid2Dim)> &neighborIntersects2, bool insert=true)
 Compute the intersection between two overlapping elements. More...
 

Protected Attributes

bool valid
 
std::vector
< RemoteSimplicialIntersection
intersections_
 The computed intersections. More...
 
std::vector< std::vector
< unsigned int > > 
grid1ElementCorners_
 Temporary internal data. More...
 
std::vector< std::vector
< unsigned int > > 
grid2ElementCorners_
 
std::vector< std::vector< int > > elementNeighbors1_
 
std::vector< std::vector< int > > elementNeighbors2_
 

Detailed Description

template<int dim1, int dim2, int dimworld, typename T = double>
class Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >

Computing overlapping grid intersections for grids of different dimensions.

Template Parameters
dim1Grid dimension of grid 1
dim2Grid dimension of grid 2
dimworldWorld dimension
TType used for coordinates

Member Typedef Documentation

template<int dim1, int dim2, int dimworld, typename T = double>
typedef T Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >::ctype

the numeric type used in this interface

typedef Merger<T,grid1Dim,grid2Dim,dimworld>::Grid1Coords StandardMerge< T, grid1Dim, grid2Dim, dimworld >::Grid1Coords
inherited

Type used for local coordinates on the grid1 side.

typedef Merger<T,grid1Dim,grid2Dim,dimworld>::Grid2Coords StandardMerge< T, grid1Dim, grid2Dim, dimworld >::Grid2Coords
inherited

Type used for local coordinates on the grid2 side.

template<int dim1, int dim2, int dimworld, typename T = double>
typedef StandardMerge<T,dim1,dim2,dimworld>::RemoteSimplicialIntersection Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >::RemoteSimplicialIntersection
protected
template<int dim1, int dim2, int dimworld, typename T = double>
typedef Dune::FieldVector<T, dimworld> Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >::WorldCoords

the coordinate type used in this interface

Constructor & Destructor Documentation

template<int dim1, int dim2, int dimworld, typename T = double>
Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >::OverlappingMerge ( )
inline

the coordinate type used in this interface

Member Function Documentation

virtual void StandardMerge< T, grid1Dim, grid2Dim, dimworld >::build ( const std::vector< Dune::FieldVector< T, dimworld > > &  grid1_Coords,
const std::vector< unsigned int > &  grid1_elements,
const std::vector< Dune::GeometryType > &  grid1_element_types,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid2_coords,
const std::vector< unsigned int > &  grid2_elements,
const std::vector< Dune::GeometryType > &  grid2_element_types 
)
virtualinherited

builds the merged grid

Note that the indices are used consequently throughout the whole class interface just like they are introduced here.

Parameters
grid1_coordsthe grid1 vertices' coordinates ordered like e.g. in 3D x_0 y_0 z_0 x_1 y_1 ... y_(n-1) z_(n-1)
grid1_elementsarray with all grid1 elements represented as corner indices into grid1_coords
grid1_element_typesarray with the GeometryType of the elements listed grid1_elements
grid2_coordsthe grid2 vertices' coordinates ordered like e.g. in 3D x_0 y_0 z_0 x_1 y_1 ... y_(n-1) z_(n-1)
grid2_elementsjust like with the grid1_elements and grid1_coords
grid2_element_typesarray with the GeometryType of the elements listed grid2_elements

Implements Merger< T, grid1Dim, grid2Dim, dimworld >.

void StandardMerge< T, grid1Dim, grid2Dim, dimworld >::clear ( )
inlinevirtualinherited
bool StandardMerge< T, grid1Dim, grid2Dim, dimworld >::computeIntersection ( unsigned int  candidate0,
unsigned int  candidate1,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid1Coords,
const std::vector< Dune::GeometryType > &  grid1_element_types,
std::bitset<(1<< grid1Dim)> &  neighborIntersects1,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid2Coords,
const std::vector< Dune::GeometryType > &  grid2_element_types,
std::bitset<(1<< grid2Dim)> &  neighborIntersects2,
bool  insert = true 
)
protectedinherited

Compute the intersection between two overlapping elements.

Returns
true if at least one intersection point was found
template<int dim1, int dim2, int dimworld, typename T >
void Dune::GridGlue::OverlappingMerge< dim1, dim2, dimworld, T >::computeIntersections ( const Dune::GeometryType &  grid1ElementType,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid1ElementCorners,
std::bitset<(1<< dim1)> &  neighborIntersects1,
unsigned int  grid1Index,
const Dune::GeometryType &  grid2ElementType,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid2ElementCorners,
std::bitset<(1<< dim2)> &  neighborIntersects2,
unsigned int  grid2Index,
std::vector< RemoteSimplicialIntersection > &  intersections 
)
protected

Compute the intersection between two overlapping elements.

The result is a set of simplices.

Parameters
grid1ElementTypeType of the first element to be intersected
grid1ElementCornersWorld coordinates of the corners of the first element
grid2ElementTypeType of the second element to be intersected
grid2ElementCornersWorld coordinates of the corners of the second element

References Dune::GridGlue::IntersectionComputation< CM >::computeIntersection().

virtual void StandardMerge< T, grid1Dim, grid2Dim, dimworld >::computeIntersections ( const Dune::GeometryType &  grid1ElementType,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid1ElementCorners,
std::bitset<(1<< grid1Dim)> &  neighborIntersects1,
unsigned int  grid1Index,
const Dune::GeometryType &  grid2ElementType,
const std::vector< Dune::FieldVector< T, dimworld > > &  grid2ElementCorners,
std::bitset<(1<< grid2Dim)> &  neighborIntersects2,
unsigned int  grid2Index,
std::vector< RemoteSimplicialIntersection > &  intersections 
)
protectedpure virtualinherited

Compute the intersection between two overlapping elements.

The result is a set of simplices stored in the vector intersections.

unsigned int StandardMerge< T, grid1Dim, grid2Dim, dimworld >::nSimplices ( ) const
virtualinherited

get the number of simplices in the merged grid The indices are then in 0..nSimplices()-1

Implements Merger< T, grid1Dim, grid2Dim, dimworld >.

unsigned int Merger< T , grid1Dim, grid2Dim, dimworld >::parent ( unsigned int  idx,
unsigned int  parId = 0 
) const
inlineinherited

get index of grid-n's parent simplex for given merged grid simplex

Template Parameters
nspecify which grid
Parameters
idxindex of the merged grid simplex
Returns
index of the parent simplex
GridTraits<n>::Coords Merger< T , grid1Dim, grid2Dim, dimworld >::parentLocal ( unsigned int  idx,
unsigned int  corner,
unsigned int  parId = 0 
) const
inlineinherited

get the grid-n parent's simplex local coordinates for a particular merged grid simplex corner (parent's index can be obtained via "parent<n>")

Template Parameters
nspecify which grid
Parameters
idxthe index of the merged grid simplex
cornerthe index of the simplex' corner
Returns
local coordinates in grid-n grid1
unsigned int Merger< T , grid1Dim, grid2Dim, dimworld >::parents ( unsigned int  idx) const
inlineinherited

doc me

bool Merger< T , grid1Dim, grid2Dim, dimworld >::simplexRefined ( unsigned int  idx,
std::vector< unsigned int > &  indices 
) const
inlineinherited

get the merged grid simplices refining a given grid-n simplex

Template Parameters
nspecify which grid (grid1/grid2: 0/1)
Parameters
idxindex of grid-n simplex
indiceswill be resized first and then filled with the refining simplices
Returns
TRUE <=> given simplex could be matched and is part of the merged grid

Member Data Documentation

unsigned int Merger< T , grid1Dim, grid2Dim, dimworld >::counter
inherited

Counts the number of times the computeIntersection method has been called.

Used temporarily to speed up the implementation

Referenced by StandardMerge< T, grid1Dim, grid2Dim, dimworld >::build().

std::vector<std::vector<int> > StandardMerge< T, grid1Dim, grid2Dim, dimworld >::elementNeighbors1_
protectedinherited
std::vector<std::vector<int> > StandardMerge< T, grid1Dim, grid2Dim, dimworld >::elementNeighbors2_
protectedinherited
std::vector<std::vector<unsigned int> > StandardMerge< T, grid1Dim, grid2Dim, dimworld >::grid1ElementCorners_
protectedinherited

Temporary internal data.

std::vector<std::vector<unsigned int> > StandardMerge< T, grid1Dim, grid2Dim, dimworld >::grid2ElementCorners_
protectedinherited
std::vector<RemoteSimplicialIntersection> StandardMerge< T, grid1Dim, grid2Dim, dimworld >::intersections_
protectedinherited

The computed intersections.

bool StandardMerge< T, grid1Dim, grid2Dim, dimworld >::valid
protectedinherited

The documentation for this class was generated from the following files: