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basicunitcube.hh
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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef BASICUNITCUBE_HH
#define BASICUNITCUBE_HH
#include <dune/geometry/type.hh>
#include <dune/grid/common/gridfactory.hh>
// declaration of a basic unit cube that uses the GridFactory
template< int dim >
class BasicUnitCube;
// unit cube in two dimensions with 2 variants: triangle and rectangle elements
template<>
class BasicUnitCube< 2 >
{
protected:
template< class Grid >
static void insertVertices ( Dune::GridFactory< Grid > &factory )
{
Dune::FieldVector<double,2> pos;
pos[0] = 0; pos[1] = 0;
factory.insertVertex(pos); /*@\label{uc:iv}@*/
pos[0] = 1; pos[1] = 0;
factory.insertVertex(pos);
pos[0] = 0; pos[1] = 1;
factory.insertVertex(pos);
pos[0] = 1; pos[1] = 1;
factory.insertVertex(pos);
}
template< class Grid >
static void insertSimplices ( Dune::GridFactory< Grid > &factory )
{
const Dune::GeometryType type( Dune::GeometryTypes::triangle );
std::vector< unsigned int > cornerIDs( 3 );
cornerIDs[0] = 0; cornerIDs[1] = 1; cornerIDs[2] = 2;
factory.insertElement( type, cornerIDs ); /*@\label{uc:ie}@*/
cornerIDs[0] = 2; cornerIDs[1] = 1; cornerIDs[2] = 3;
factory.insertElement( type, cornerIDs );
}
template< class Grid >
static void insertCubes ( Dune::GridFactory< Grid > &factory )
{
const Dune::GeometryType type( Dune::GeometryTypes::quadrilateral );
std::vector< unsigned int > cornerIDs( 4 );
for( int i = 0; i < 4; ++i )
cornerIDs[ i ] = i;
factory.insertElement( type, cornerIDs );
}
};
// unit cube in 3 dimensions with two variants: tetraheda and hexahedra
template<>
class BasicUnitCube< 3 >
{
protected:
template< class Grid >
static void insertVertices ( Dune::GridFactory< Grid > &factory )
{
Dune::FieldVector< double, 3 > pos;
pos[0] = 0; pos[1] = 0; pos[2] = 0; factory.insertVertex(pos);
pos[0] = 1; pos[1] = 0; pos[2] = 0; factory.insertVertex(pos);
pos[0] = 0; pos[1] = 1; pos[2] = 0; factory.insertVertex(pos);
pos[0] = 1; pos[1] = 1; pos[2] = 0; factory.insertVertex(pos);
pos[0] = 0; pos[1] = 0; pos[2] = 1; factory.insertVertex(pos);
pos[0] = 1; pos[1] = 0; pos[2] = 1; factory.insertVertex(pos);
pos[0] = 0; pos[1] = 1; pos[2] = 1; factory.insertVertex(pos);
pos[0] = 1; pos[1] = 1; pos[2] = 1; factory.insertVertex(pos);
}
template< class Grid >
static void insertSimplices ( Dune::GridFactory< Grid > &factory )
{
const Dune::GeometryType type( Dune::GeometryTypes::tetrahedron );
std::vector< unsigned int > cornerIDs( 4 );
cornerIDs[0] = 0; cornerIDs[1] = 1; cornerIDs[2] = 2; cornerIDs[3] = 4;
factory.insertElement( type, cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 3; cornerIDs[2] = 2; cornerIDs[3] = 7;
factory.insertElement( type, cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 7; cornerIDs[2] = 2; cornerIDs[3] = 4;
factory.insertElement( type, cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 7; cornerIDs[2] = 4; cornerIDs[3] = 5;
factory.insertElement( type, cornerIDs );
cornerIDs[0] = 4; cornerIDs[1] = 7; cornerIDs[2] = 2; cornerIDs[3] = 6;
factory.insertElement( type, cornerIDs );
}
template< class Grid >
static void insertCubes ( Dune::GridFactory< Grid > &factory )
{
const Dune::GeometryType type( Dune::GeometryTypes::hexahedron );
std::vector< unsigned int > cornerIDs( 8 );
for( int i = 0; i < 8; ++i )
cornerIDs[ i ] = i;
factory.insertElement( type, cornerIDs );
}
};
#endif /*BASICUNITCUBE_HH*/