init_head.c File Reference

Vector library - init header of vector maps. More...

#include <string.h>
#include <grass/vector.h>

Include dependency graph for init_head.c:

Go to the source code of this file.

Functions
void	Vect__init_head (struct Map_info *Map)
	Initialize Map_info head structure (dig_head) More...
int	Vect_copy_head_data (const struct Map_info *from, struct Map_info *to)
	Copy header data from one to another map. More...

Detailed Description

Vector library - init header of vector maps.

Higher level functions for reading/writing/manipulating vectors.

Initialize Head structure. To make sure that we are not writing out garbage to a file.

(C) 2001-2009 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Original author CERL, probably Dave Gerdes or Mike Higgins.

Update to GRASS 5.7 Radim Blazek and David D. Gray.

Various updates by Martin Landa <landa.martin gmail.com>, 2009

Definition in file init_head.c.

Function Documentation

Vect__init_head()

void Vect__init_head

(

struct Map_info *

Map

)

Initialize Map_info head structure (dig_head)

Parameters

[in,out]

Map

pointer to Map_info structure

Definition at line 29 of file init_head.c.

References FALSE, G_date(), G_whoami(), G_zero(), Map_info::head, Map_info::plus, Plus_head::release_support, Plus_head::Spidx_built, Plus_head::update_cidx, Vect_set_comment(), Vect_set_date(), Vect_set_map_date(), Vect_set_map_name(), Vect_set_organization(), Vect_set_person(), Vect_set_proj(), Vect_set_scale(), Vect_set_thresh(), and Vect_set_zone().

Referenced by Vect__read_head().

Vect_copy_head_data()

int Vect_copy_head_data	(	const struct Map_info *	from,
		struct Map_info *	to
	)

Copy header data from one to another map.

Parameters

	from	target vector map
[out]	to	destination vector map

Returns

0

Definition at line 77 of file init_head.c.

References Vect_get_comment(), Vect_get_date(), Vect_get_map_date(), Vect_get_map_name(), Vect_get_organization(), Vect_get_person(), Vect_get_scale(), Vect_get_thresh(), Vect_get_zone(), Vect_set_comment(), Vect_set_date(), Vect_set_map_date(), Vect_set_map_name(), Vect_set_organization(), Vect_set_person(), Vect_set_scale(), Vect_set_thresh(), and Vect_set_zone().

Referenced by Vect_close().