read_icon_grid.h File Reference

#include "basic_grid.h"
#include <mpi.h>

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Functions
struct yac_basic_grid_data	yac_read_icon_basic_grid_data (char const *filename)
struct yac_basic_grid *	yac_read_icon_basic_grid (char const *filename, char const *gridname)
void	yac_read_icon_grid_information (const char *filename, int *num_vertices, int *num_cells, int **num_vertices_per_cell, int **cell_to_vertex, double **x_vertices, double **y_vertices, double **x_cells, double **y_cells, int **cell_mask)
void	yac_read_part_icon_grid_information (const char *filename, int *num_vertices, int *num_cells, int **num_vertices_per_cell, int **cell_to_vertex, double **x_vertices, double **y_vertices, double **x_cells, double **y_cells, int **global_cell_id, int **cell_mask, int **cell_core_mask, int **global_corner_id, int **corner_core_mask, int rank, int size)
void	yac_read_icon_grid_information_parallel (const char *filename, MPI_Comm comm, int *num_vertices, int *num_cells, int **num_vertices_per_cell, int **cell_to_vertex, int **global_cell_ids, int **cell_owner, int **global_vertex_ids, int **vertex_owner, double **x_vertices, double **y_vertices, double **x_cells, double **y_cells, int **cell_mask)
struct yac_basic_grid_data	yac_read_icon_basic_grid_data_parallel (const char *filename, MPI_Comm comm)
struct yac_basic_grid *	yac_read_icon_basic_grid_parallel (char const *filename, char const *gridname, MPI_Comm comm)
void	yac_delete_icon_grid_data (int **cell_mask, int **global_cell_id, int **cell_core_mask, int **num_vertices_per_cell, int **global_corner_id, int **corner_core_mask, int **cell_to_vertex, double **x_cells, double **y_cells, double **x_vertices, double **y_vertices)

Function Documentation

yac_delete_icon_grid_data()

void yac_delete_icon_grid_data	(	int **	cell_mask,
		int **	global_cell_id,
		int **	cell_core_mask,
		int **	num_vertices_per_cell,
		int **	global_corner_id,
		int **	corner_core_mask,
		int **	cell_to_vertex,
		double **	x_cells,
		double **	y_cells,
		double **	x_vertices,
		double **	y_vertices )

destroys remaining icon grid data

Parameters

[out]	cell_mask	mask for cells
[out]	global_cell_id	global cell IDs
[out]	cell_core_mask	cell core mask
[out]	num_vertices_per_cell	number of vertices per cell
[out]	global_corner_id	global corner IDs
[out]	corner_core_mask	corner core mask
[out]	cell_to_vertex	vertex indices for each cell
[out]	x_cells	longitudes of cell center
[out]	y_cells	latitudes of cell center
[out]	x_vertices	longitudes of vertices
[out]	y_vertices	latitudes of vertices

Definition at line 1593 of file read_icon_grid.c.

yac_read_icon_basic_grid()

struct yac_basic_grid * yac_read_icon_basic_grid	(	char const *	filename,
		char const *	gridname )

reads in an icon grid netcdf file and generates a struct basic_grid from it

Parameters

[in]	filename	name of the icon grid netcdf file
[in]	gridname	name of the grid

Returns

yac_basic_grid structure that contains the icon grid

Definition at line 1512 of file read_icon_grid.c.

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yac_read_icon_basic_grid_data()

struct yac_basic_grid_data yac_read_icon_basic_grid_data

(

char const *

filename

)

reads in an icon grid netcdf file and generates a struct yac_basic_grid_data from it

Parameters

[in]

filename

name of the icon grid netcdf file

Returns

basic_grid_data structure that contains the icon grid

Definition at line 1476 of file read_icon_grid.c.

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yac_read_icon_basic_grid_data_parallel()

struct yac_basic_grid_data yac_read_icon_basic_grid_data_parallel	(	const char *	filename,
		MPI_Comm	comm )

Definition at line 901 of file read_icon_grid.c.

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yac_read_icon_basic_grid_parallel()

struct yac_basic_grid * yac_read_icon_basic_grid_parallel	(	char const *	filename,
		char const *	gridname,
		MPI_Comm	comm )

Definition at line 1459 of file read_icon_grid.c.

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yac_read_icon_grid_information()

void yac_read_icon_grid_information	(	const char *	filename,
		int *	num_vertices,
		int *	num_cells,
		int **	num_vertices_per_cell,
		int **	cell_to_vertex,
		double **	x_vertices,
		double **	y_vertices,
		double **	x_cells,
		double **	y_cells,
		int **	cell_mask )

reads in an icon grid netcdf file and return the grid information in a format that is supported by the YAC user interface.

Parameters

[in]	filename	name of the icon grid netcdf file
[out]	num_vertices	number of vertices in the grid
[out]	num_cells	number of cells in the grid
[out]	num_vertices_per_cell	number of vertices per cell
[out]	cell_to_vertex	vertex indices for each cell
[out]	x_vertices	longitudes of vertices
[out]	y_vertices	latitudes of vertices
[out]	x_cells	longitudes of cell center
[out]	y_cells	latitudes of cell center
[out]	cell_mask	mask for cells

Definition at line 181 of file read_icon_grid.c.

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yac_read_icon_grid_information_parallel()

void yac_read_icon_grid_information_parallel	(	const char *	filename,
		MPI_Comm	comm,
		int *	num_vertices,
		int *	num_cells,
		int **	num_vertices_per_cell,
		int **	cell_to_vertex,
		int **	global_cell_ids,
		int **	cell_owner,
		int **	global_vertex_ids,
		int **	vertex_owner,
		double **	x_vertices,
		double **	y_vertices,
		double **	x_cells,
		double **	y_cells,
		int **	cell_mask )

reads in an icon grid netcdf file and return the grid information in a format that is supported by the YAC user interface. The reading is done in parallel and a basic domain decomposition is applied.

Parameters

[in]	filename	name of the icon grid netcdf file
[in]	comm	MPI communicator containing all proceses that will get a part of the grid
[out]	num_vertices	number of vertices in the local part of the grid
[out]	num_cells	number of cells in the local part of the grid
[out]	num_vertices_per_cell	number of vertices per cell
[out]	cell_to_vertex	vertex indices for each cell
[out]	global_cell_ids	global ids of local cells (core and halo cells)
[out]	cell_owner	owner of each cell (locally owned cells are marked with -1)
[out]	global_vertex_ids	global ids of local vertices (core and halo vertices)
[out]	vertex_owner	owner of each vertex (locally owned vertices are marked with -1)
[out]	x_vertices	longitudes of vertices
[out]	y_vertices	latitudes of vertices
[out]	x_cells	longitudes of cell center
[out]	y_cells	latitudes of cell center
[out]	cell_mask	mask for cells

Definition at line 248 of file read_icon_grid.c.

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yac_read_part_icon_grid_information()

void yac_read_part_icon_grid_information	(	const char *	filename,
		int *	num_vertices,
		int *	num_cells,
		int **	num_vertices_per_cell,
		int **	cell_to_vertex,
		double **	x_vertices,
		double **	y_vertices,
		double **	x_cells,
		double **	y_cells,
		int **	global_cell_id,
		int **	cell_mask,
		int **	cell_core_mask,
		int **	global_corner_id,
		int **	corner_core_mask,
		int	rank,
		int	size )

reads in an icon grid netcdf file and return the grid information in a format that is supported by the YAC user interface.

Parameters

[in]	filename	name of the icon grid netcdf file
[out]	num_vertices	number of vertices in the grid
[out]	num_cells	number of cells in the grid
[out]	num_vertices_per_cell	number of vertices per cell
[out]	cell_to_vertex	vertex indices for each cell
[out]	x_vertices	longitudes of vertices
[out]	y_vertices	latitudes of vertices
[out]	x_cells	longitudes of cell center
[out]	y_cells	latitudes of cell center
[out]	global_cell_id	global cell IDs
[out]	cell_mask	mask for cells
[out]	cell_core_mask	cell core mask
[out]	global_corner_id	global corner IDs
[out]	corner_core_mask	corner core mask
[out]	rank	local MPI rank
[out]	size	number of MPI ranks

Definition at line 28 of file read_icon_grid.c.

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