moab::element_utility::Linear_tet_map< Entity_handle, Matrix > Class Template Reference

#include <linear_tet_map.hpp>

Inheritance diagram for moab::element_utility::Linear_tet_map< Entity_handle, Matrix >:

Collaboration diagram for moab::element_utility::Linear_tet_map< Entity_handle, Matrix >:

Public Member Functions
	Linear_tet_map ()
	Linear_tet_map (const Self &f)
template<typename Moab , typename Points , typename Point >
std::pair< bool, Point >	operator() (const Moab &moab, const Entity_handle _eh, const Points &v, const Point &p, const double tol=1e-6)
Private Types
typedef Linear_tet_map < Entity_handle, Matrix >	Self
Private Member Functions
template<typename Point >
bool	is_contained (const Point &result, const double tol=1e-6)
template<typename Point , typename Field >
double	evaluate_scalar_field (const Point &p, const Field &field_values) const
template<typename Points , typename Field >
double	integrate_scalar_field (const Points &v, const Field &field_values) const
template<typename Points >
void	set_tet (const Entity_handle _eh, const Points &v)
Private Attributes
Matrix	Tinv
Entity_handle	eh

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Detailed Description

template<typename Entity_handle, typename Matrix>
class moab::element_utility::Linear_tet_map< Entity_handle, Matrix >

Definition at line 12 of file linear_tet_map.hpp.

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Member Typedef Documentation

template<typename Entity_handle, typename Matrix>

typedef Linear_tet_map< Entity_handle, Matrix > moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::Self [private]

Definition at line 15 of file linear_tet_map.hpp.

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Constructor & Destructor Documentation

template<typename Entity_handle, typename Matrix>

moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::Linear_tet_map

(

)

[inline]

Definition at line 19 of file linear_tet_map.hpp.

: Tinv(), eh() {}

template<typename Entity_handle, typename Matrix>

moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::Linear_tet_map

(

const Self &

f

)

[inline]

Definition at line 21 of file linear_tet_map.hpp.

: Tinv( f.Tinv ), eh( f.eh ) {}

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Member Function Documentation

template<typename Entity_handle, typename Matrix>

template<typename Point , typename Field >

double moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::evaluate_scalar_field	(	const Point &	p,
		const Field &	field_values
	)		const [inline, private]

Definition at line 57 of file linear_tet_map.hpp.

        {
            double f0 = field_values[0];
            double f  = f0;
            for( std::size_t i = 1; i < 5; ++i )
            {
                f += ( field_values[i] - f0 ) * p[i - 1];
            }
            return f;
        }

template<typename Entity_handle, typename Matrix>

template<typename Points , typename Field >

double moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::integrate_scalar_field	(	const Points &	v,
		const Field &	field_values
	)		const [inline, private]

Definition at line 68 of file linear_tet_map.hpp.

        {
            double I( 0.0 );
            for( unsigned int i = 0; i < 4; ++i )
            {
                I += field_values[i];
            }
            double det =
                Matrix( v[1][0] - v[0][0], v[2][0] - v[0][0], v[3][0] - v[0][0], v[1][1] - v[0][1], v[2][1] - v[0][1],
                        v[3][1] - v[0][1], v[1][2] - v[0][2], v[2][2] - v[0][2], v[3][2] - v[0][2] )
                    .determinant();
            I *= det / 24.0;
            return I;
        }

template<typename Entity_handle, typename Matrix>

template<typename Point >

bool moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::is_contained	(	const Point &	result,
		const double	tol = 1e-6
	)		[inline, private]

Definition at line 43 of file linear_tet_map.hpp.

Referenced by moab::element_utility::Linear_tet_map< Entity_handle, moab::Matrix3 >::operator()().

        {
            double sum = 0.0;
            for( std::size_t i = 0; i < 3; ++i )
            {
                sum += result[i];
                if( result[i] < -tol )
                {
                    return false;
                }
            }
            return sum < 1.0 + tol;
        }

template<typename Entity_handle, typename Matrix>

template<typename Moab , typename Points , typename Point >

std::pair< bool, Point > moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::operator()	(	const Moab &	moab,
		const Entity_handle	_eh,
		const Points &	v,
		const Point &	p,
		const double	tol = 1e-6
	)		[inline]

Definition at line 24 of file linear_tet_map.hpp.

        {
            // Remove the warning about unused parameter
            if( NULL != &moab )
            {
            }

            set_tet( _eh, v );
            // TODO: Make sure this is correct
            Point result = Tinv * p;
            return std::make_pair( is_contained( result, tol ), result );
        }

template<typename Entity_handle, typename Matrix>

template<typename Points >

void moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::set_tet	(	const Entity_handle	_eh,
		const Points &	v
	)		[inline, private]

Definition at line 84 of file linear_tet_map.hpp.

Referenced by moab::element_utility::Linear_tet_map< Entity_handle, moab::Matrix3 >::operator()().

        {
            if( eh != _eh )
            {
                eh   = _eh;
                Tinv = moab::Matrix::inverse( Matrix( v[1][0] - v[0][0], v[2][0] - v[0][0], v[3][0] - v[0][0],
                                                      v[1][1] - v[0][1], v[2][1] - v[0][1], v[3][1] - v[0][1],
                                                      v[1][2] - v[0][2], v[2][2] - v[0][2], v[3][2] - v[0][2] ) );
            }
        }

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Member Data Documentation

template<typename Entity_handle, typename Matrix>

Entity_handle moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::eh [private]

Definition at line 97 of file linear_tet_map.hpp.

Referenced by moab::element_utility::Linear_tet_map< Entity_handle, moab::Matrix3 >::set_tet().

template<typename Entity_handle, typename Matrix>

Matrix moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::Tinv [private]

Definition at line 96 of file linear_tet_map.hpp.

Referenced by moab::element_utility::Linear_tet_map< Entity_handle, moab::Matrix3 >::operator()(), and moab::element_utility::Linear_tet_map< Entity_handle, moab::Matrix3 >::set_tet().

List of all members.

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

• linear_tet_map.hpp