closest_point.hpp File Reference

Functions for level set reinitialization and extension on OpenFPM grids based on closest point method. More...

#include "Grid/grid_dist_key.hpp"
#include "algoim_hocp.hpp"

Go to the source code of this file.

Data Structures
struct	AlgoimWrapper< wrapping_field, grid_type, wrapping_field_type >
struct	AlgoimWrapper< wrapping_field, grid_type, wrapping_field_type[N1]>
struct	AlgoimWrapper< wrapping_field, grid_type, wrapping_field_type[N1][N2]>
struct	AlgoimWrapper< wrapping_field, grid_type, wrapping_field_type[N1][N2][N3]>

Functions
template<size_t phi_field, size_t cp_field, int poly_order, typename grid_type >
void	estimateClosestPoint (grid_type &gd, const double nb_gamma)
	Computes the closest point coordinate for each grid point within nb_gamma from interface.
template<size_t phi_field, size_t cp_field, size_t extend_field, size_t extend_field_temp, int poly_order, typename grid_type >
void	extendLSField (grid_type &gd, const double nb_gamma)
	Extends a (scalar) field to within nb_gamma from interface. The grid should have level set SDF and closest point field.
template<size_t phi_field, size_t cp_field, typename grid_type >
void	reinitializeLS (grid_type &gd, const double nb_gamma)
	Reinitializes the level set Phi field on a grid. The grid should have level set SDF and closest point field.

Variables
constexpr int	algoim_padding = 4

Detailed Description

Functions for level set reinitialization and extension on OpenFPM grids based on closest point method.

Wrapping container to pass OpenFPM grid property values to Algoim library.

Depends on Algoim library for higher order closest point calculations and constructing stencil interpolating polynomials.

Author

Sachin Krishnan T V

Date

May 2021

Definition in file closest_point.hpp.

Function Documentation

estimateClosestPoint()

template<size_t phi_field, size_t cp_field, int poly_order, typename grid_type >

void estimateClosestPoint	(	grid_type &	gd,
		const double	nb_gamma
	)

Computes the closest point coordinate for each grid point within nb_gamma from interface.

Template Parameters

phi_field	Property id on grid for the level set SDF (input)
cp_field	Property id on grid for storing closest point coordinates (output)
poly_order	Type of stencil interpolation (Taylor poly orders between 2 to 5 and Tri/bicubic through -1 is supported)
grid_type	Type of the grid container

Parameters

gd	The distributed grid containing at least level set SDF field and placeholder for closest point coordinates
nb_gamma	The width of the narrow band within which closest point estimation is to be done

Definition at line 209 of file closest_point.hpp.

extendLSField()

template<size_t phi_field, size_t cp_field, size_t extend_field, size_t extend_field_temp, int poly_order, typename grid_type >

void extendLSField	(	grid_type &	gd,
		const double	nb_gamma
	)

Extends a (scalar) field to within nb_gamma from interface. The grid should have level set SDF and closest point field.

Template Parameters

phi_field	Property id on grid for the level set SDF
cp_field	Property id on grid for storing closest point coordinates
extend_field	Property id on grid where the field to be extended resides
extend_field_temp	Property id on grid for storing temporary intermediate values
poly_order	Type of stencil interpolation (Taylor poly orders between 2 to 5 and Tri/bicubic through -1 is supported)
grid_type	Type of the grid container

Parameters

gd	The distributed grid containing atleast level set SDF field and closest point coordinates
nb_gamma	The width of the narrow band within which extension is required (half band)

Definition at line 309 of file closest_point.hpp.

reinitializeLS()

template<size_t phi_field, size_t cp_field, typename grid_type >

void reinitializeLS	(	grid_type &	gd,
		const double	nb_gamma
	)

Reinitializes the level set Phi field on a grid. The grid should have level set SDF and closest point field.

Template Parameters

phi_field	Property id on grid for the level set SDF
cp_field	Property id on grid for storing closest point coordinates
grid_type	Type of the grid container

Parameters

gd	The distributed grid containing atleast level set SDF field and closest point coordinates
nb_gamma	The width of the narrow band for reinitialization

Definition at line 382 of file closest_point.hpp.

Variable Documentation

algoim_padding

constexpr int algoim_padding = 4

constexpr

Definition at line 24 of file closest_point.hpp.