Dune::GridGlue::ConformingMerge< dim, dimworld, T > Class Template Reference

Implementation of the Merger concept for conforming interfaces. More...

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

Public Types
typedef T	ctype
	the numeric type used in this interface
typedef Dune::FieldVector< T, dimworld >	WorldCoords
	the coordinate type used in this interface
typedef Dune::FieldVector< T, dim >	LocalCoords
	the coordinate type used in this interface
using	Grid1Coords = typename Base::Grid1Coords
	Type used for local coordinates on the grid1 side.
using	Grid2Coords = typename Base::Grid2Coords
	Type used for local coordinates on the grid2 side.

Public Member Functions
void	build (const std::vector< Dune::FieldVector< double, dimworld > > &grid1_Coords, const std::vector< unsigned int > &grid1_elements, const std::vector< Dune::GeometryType > &grid1_element_types, const std::vector< Dune::FieldVector< double, dimworld > > &grid2_coords, const std::vector< unsigned int > &grid2_elements, const std::vector< Dune::GeometryType > &grid2_element_types) override
	builds the merged grid More...
virtual void	build (const std::vector< Dune::FieldVector< double, dimworld > > &grid1_coords, const std::vector< unsigned int > &grid1_elements, const std::vector< Dune::GeometryType > &grid1_element_types, const std::vector< Dune::FieldVector< double, dimworld > > &grid2_coords, const std::vector< unsigned int > &grid2_elements, const std::vector< Dune::GeometryType > &grid2_element_types)=0
	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
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...
auto	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
using	IntersectionListProvider = SimplicialIntersectionListProvider< grid1Dim, grid2Dim >
	The computed intersections.

Protected Member Functions
virtual void	computeIntersections (const Dune::GeometryType &grid1ElementType, const std::vector< Dune::FieldVector< double, dimworld > > &grid1ElementCorners, std::bitset<(1<< grid1Dim)> &neighborIntersects1, unsigned int grid1Index, const Dune::GeometryType &grid2ElementType, const std::vector< Dune::FieldVector< double, dimworld > > &grid2ElementCorners, std::bitset<(1<< grid2Dim)> &neighborIntersects2, unsigned int grid2Index, std::vector< SimplicialIntersection > &intersections)=0
	Compute the intersection between two overlapping elements. More...
bool	computeIntersection (unsigned int candidate0, unsigned int candidate1, const std::vector< Dune::FieldVector< double, dimworld > > &grid1Coords, const std::vector< Dune::GeometryType > &grid1_element_types, std::bitset<(1<< grid1Dim)> &neighborIntersects1, const std::vector< Dune::FieldVector< double, 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
std::vector< std::vector< unsigned int > >	grid1ElementCorners_
	Temporary internal data.

Detailed Description

template<int dim, int dimworld, typename T = double>
class Dune::GridGlue::ConformingMerge< dim, dimworld, T >

Implementation of the Merger concept for conforming interfaces.

Template Parameters

dim	Grid dimension of the coupling grids. Must be the same for both sides
dimworld	Dimension of the world coordinates.
T	Type used for coordinates

Member Function Documentation

build() [1/2]

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

overrideinherited

builds the merged grid

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

Parameters

grid1_coords	the 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_elements	array with all grid1 elements represented as corner indices into grid1_coords
grid1_element_types	array with the GeometryType of the elements listed grid1_elements
grid2_coords	the 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_elements	just like with the grid1_elements and grid1_coords
grid2_element_types	array with the GeometryType of the elements listed grid2_elements

build() [2/2]

virtual void Dune::GridGlue::Merger< double , grid1Dim, grid2Dim, dimworld >::build ( const std::vector< Dune::FieldVector< double , dimworld > > &  grid1_coords, const std::vector< unsigned int > &  grid1_elements, const std::vector< Dune::GeometryType > &  grid1_element_types, const std::vector< Dune::FieldVector< double , dimworld > > &  grid2_coords, const std::vector< unsigned int > &  grid2_elements, const std::vector< Dune::GeometryType > &  grid2_element_types  )

pure 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_coords	the 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_elements	array with all grid1 elements represented as corner indices into grid1_coords
grid1_element_types	array with the GeometryType of the elements listed grid1_elements
grid2_coords	the 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_elements	just like with the grid1_elements and grid1_coords
grid2_element_types	array with the GeometryType of the elements listed grid2_elements

computeIntersection()

bool Dune::GridGlue::StandardMerge< double , grid1Dim, grid2Dim, dimworld >::computeIntersection ( unsigned int  candidate0, unsigned int  candidate1, const std::vector< Dune::FieldVector< double , dimworld > > &  grid1Coords, const std::vector< Dune::GeometryType > &  grid1_element_types, std::bitset<(1<< grid1Dim)> &  neighborIntersects1, const std::vector< Dune::FieldVector< double , 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

computeIntersections()

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

protectedpure virtualinherited

Compute the intersection between two overlapping elements.

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

intersectionList()

std::shared_ptr< IntersectionList > Dune::GridGlue::StandardMerge< double , grid1Dim, grid2Dim, dimworld >::intersectionList ( ) const

inlinefinalvirtualinherited

list of intersections

Note

only valid after build() was called

Implements Dune::GridGlue::Merger< double, grid1Dim, grid2Dim, dimworld >.

parent()

unsigned int Dune::GridGlue::Merger< double , 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

n	specify which grid

Parameters

idx	index of the merged grid simplex

Returns

index of the parent simplex

parentLocal()

auto Dune::GridGlue::Merger< double , 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

n	specify which grid

Parameters

idx	the index of the merged grid simplex
corner	the index of the simplex' corner

Returns

local coordinates in grid-n grid1

parents()

unsigned int Dune::GridGlue::Merger< double , grid1Dim, grid2Dim, dimworld >::parents ( unsigned int  idx ) const

inlineinherited

doc me

Member Data Documentation

counter

unsigned int Dune::GridGlue::Merger< double , grid1Dim, grid2Dim, dimworld >::counter

inherited

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

Used temporarily to speed up the implementation

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

• dune/grid-glue/merging/conformingmerge.hh