Cell_head Struct Reference

2D/3D raster map header (used also for region) More...

#include <gis.h>

Data Fields
int	format
	Max number of bytes per raster data value minus 1 (raster header only) More...
int	compressed
	Compression mode (raster header only) More...
int	rows
	Number of rows for 2D data. More...
int	rows3
	Number of rows for 3D data. More...
int	cols
	Number of columns for 2D data. More...
int	cols3
	Number of columns for 3D data. More...
int	depths
	number of depths for 3D data More...
int	proj
	Projection code. More...
int	zone
	Projection zone (UTM) More...
double	ew_res
	Resolution - east to west cell size for 2D data. More...
double	ew_res3
	Resolution - east to west cell size for 3D data. More...
double	ns_res
	Resolution - north to south cell size for 2D data. More...
double	ns_res3
	Resolution - north to south cell size for 3D data. More...
double	tb_res
	Resolution - top to bottom cell size for 3D data. More...
double	north
	Extent coordinates (north) More...
double	south
	Extent coordinates (south) More...
double	east
	Extent coordinates (east) More...
double	west
	Extent coordinates (west) More...
double	top
	Extent coordinates (top) - 3D data. More...
double	bottom
	Extent coordinates (bottom) - 3D data. More...

Detailed Description

2D/3D raster map header (used also for region)

Definition at line 440 of file gis.h.

Field Documentation

bottom

double Cell_head::bottom

Extent coordinates (bottom) - 3D data.

Definition at line 496 of file gis.h.

Referenced by G__write_Cell_head3(), GS_get_aspect(), GS_set_viewport(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

cols

int Cell_head::cols

Number of columns for 2D data.

Definition at line 459 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_get_3dview_defaults(), GS_get_dims(), N_read_rast3d_to_array_3d(), N_write_array_2d_to_rast(), N_write_array_3d_to_rast3d(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), Rast__read_null_bits(), Rast__write_null_bits(), Rast_get_vrt(), Rast_get_vrt_row(), Rast_input_window_cols(), Rast_output_window_cols(), and Rast_window_cols().

cols3

int Cell_head::cols3

Number of columns for 3D data.

Definition at line 461 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

compressed

int Cell_head::compressed

Compression mode (raster header only)

• 0: uncompressed
• 1: compressed
• -1: pre GRASS 3.0

Definition at line 453 of file gis.h.

Referenced by G__write_Cell_head(), G_get_3dview_defaults(), Rast__check_format(), Rast__open_old(), and Rast__read_row_ptrs().

depths

int Cell_head::depths

number of depths for 3D data

Definition at line 463 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), N_read_rast3d_to_array_3d(), N_write_array_3d_to_rast3d(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

east

double Cell_head::east

Extent coordinates (east)

Definition at line 490 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_window_ll(), G_get_3dview_defaults(), P_set_dim(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), Rast_get_vrt(), and Vect_region_box().

ew_res

double Cell_head::ew_res

Resolution - east to west cell size for 2D data.

Definition at line 476 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_adjust_window_ll(), G_get_3dview_defaults(), Gs_load_3dview(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), and Rast_get_vrt().

ew_res3

double Cell_head::ew_res3

Resolution - east to west cell size for 3D data.

Definition at line 478 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

format

int Cell_head::format

Max number of bytes per raster data value minus 1 (raster header only)

Note: -1 for FP raster maps

Definition at line 446 of file gis.h.

Referenced by G__write_Cell_head(), G_get_3dview_defaults(), and Rast__open_old().

north

double Cell_head::north

Extent coordinates (north)

Definition at line 486 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_adjust_window_ll(), G_get_3dview_defaults(), P_set_dim(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), Rast_get_vrt(), Rast_get_vrt_row(), and Vect_region_box().

ns_res

double Cell_head::ns_res

Resolution - north to south cell size for 2D data.

Definition at line 480 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_adjust_window_ll(), G_get_3dview_defaults(), Gs_load_3dview(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), and Rast_get_vrt_row().

ns_res3

double Cell_head::ns_res3

Resolution - north to south cell size for 3D data.

Definition at line 482 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

proj

int Cell_head::proj

Projection code.

• PROJECTION_XY
• PROJECTION_UTM
• PROJECTION_SP
• PROJECTION_LL
• PROJECTION_OTHER

Definition at line 472 of file gis.h.

Referenced by G__write_Cell_head(), G__write_Cell_head3(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_adjust_window_ll(), G_get_3dview_defaults(), GPJ_osr_to_grass(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast__check_for_auto_masking(), Rast__create_window_mapping(), Rast__open_old(), and Rast_get_vrt().

rows

int Cell_head::rows

Number of rows for 2D data.

Definition at line 455 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_get_3dview_defaults(), GS_get_dims(), N_read_rast3d_to_array_3d(), N_write_array_2d_to_rast(), N_write_array_3d_to_rast3d(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_to_cell_head(), Rast__check_format(), Rast__close_null(), Rast__read_null_row_ptrs(), Rast__read_row_ptrs(), Rast__write_null_row_ptrs(), Rast__write_row_ptrs(), Rast_get_vrt_row(), Rast_input_window_rows(), Rast_output_window_rows(), Rast_row_repeat_nomask(), and Rast_window_rows().

rows3

int Cell_head::rows3

Number of rows for 3D data.

Definition at line 457 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

south

double Cell_head::south

Extent coordinates (south)

Definition at line 488 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_Cell_head(), G_adjust_Cell_head3(), G_adjust_window_ll(), G_get_3dview_defaults(), Gs_load_3dview(), P_set_dim(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast_get_vrt(), Rast_get_vrt_row(), and Vect_region_box().

tb_res

double Cell_head::tb_res

Resolution - top to bottom cell size for 3D data.

Definition at line 484 of file gis.h.

Referenced by G__write_Cell_head3(), G_adjust_Cell_head3(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

top

double Cell_head::top

Extent coordinates (top) - 3D data.

Definition at line 494 of file gis.h.

Referenced by G__write_Cell_head3(), GS_get_aspect(), GS_set_viewport(), Rast3d_region_from_to_cell_head(), and Rast3d_region_to_cell_head().

west

double Cell_head::west

Extent coordinates (west)

Definition at line 492 of file gis.h.

Referenced by G__write_Cell_head(), G_adjust_window_ll(), G_get_3dview_defaults(), Gs_load_3dview(), P_set_dim(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast__create_window_mapping(), Rast_get_vrt(), and Vect_region_box().

zone

int Cell_head::zone

Projection zone (UTM)

Definition at line 474 of file gis.h.

Referenced by G__write_Cell_head(), G_get_3dview_defaults(), GPJ_osr_to_grass(), Rast3d_extract2d_region(), Rast3d_incorporate2d_region(), Rast3d_region_from_to_cell_head(), Rast3d_region_to_cell_head(), Rast__check_for_auto_masking(), and Rast__open_old().

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

• gis.h