build_nat.c File Reference

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <grass/glocale.h>
#include <grass/gis.h>
#include <grass/Vect.h>

Include dependency graph for build_nat.c:

Go to the source code of this file.

Functions
int	prnmsg (char *msg,...)
int	Vect_build_line_area (struct Map_info *Map, int iline, int side)
	build area on given side of line ( GV_LEFT or GV_RIGHT )
int	Vect_isle_find_area (struct Map_info *Map, int isle)
	find area outside island
int	Vect_attach_isle (struct Map_info *Map, int isle)
	(Re)Attach isle to area
int	Vect_attach_isles (struct Map_info *Map, BOUND_BOX *box)
	(Re)Attach isles to areas in given box
int	Vect_attach_centroids (struct Map_info *Map, BOUND_BOX *box)
	(Re)Attach centroids to areas in given box
int	Vect_build_nat (struct Map_info *Map, int build, FILE *msgout)
Variables
FILE *	Msgout

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Function Documentation

int prnmsg	(	char *	msg,
			...
	)

Definition at line 43 of file build.c.

References Msgout.

Referenced by Vect_build_nat(), and Vect_build_partial().

int Vect_attach_centroids	(	struct Map_info *	Map,
		BOUND_BOX *	box
	)

(Re)Attach centroids to areas in given box

Returns:

? not sure yet what should be returned

Parameters:

Map_info

structure, BOUND_BOX

Definition at line 299 of file build_nat.c.

References dig_line_add_updated(), Vect_find_area(), Vect_new_list(), and Vect_select_lines_by_box().

Referenced by V2_delete_line_nat(), and V2_write_line_nat().

int Vect_attach_isle	(	struct Map_info *	Map,
		int	isle
	)

(Re)Attach isle to area

Returns:

? not sure yet what should be returned

Parameters:

Map_info

structure, isle number

Definition at line 233 of file build_nat.c.

References dig_area_add_isle(), and Vect_isle_find_area().

Referenced by Vect_attach_isles(), and Vect_build_nat().

int Vect_attach_isles	(	struct Map_info *	Map,
		BOUND_BOX *	box
	)

(Re)Attach isles to areas in given box

Returns:

? not sure yet what should be returned

Parameters:

Map_info

structure, BOUND_BOX

Definition at line 266 of file build_nat.c.

References Vect_attach_isle(), Vect_new_list(), and Vect_select_isles_by_box().

Referenced by V2_delete_line_nat(), and V2_write_line_nat().

int Vect_build_line_area	(	struct Map_info *	Map,
		int	iline,
		int	side
	)

build area on given side of line ( GV_LEFT or GV_RIGHT )

Returns:

> 0 : number of area, < 0 : number of isle, 0 : not created (may also already exist)

Parameters:

Map_info

structure, line number ?, side (left? right?)

Definition at line 35 of file build_nat.c.

References dig_add_area(), dig_add_isle(), dig_build_area_with_line(), dig_find_area_poly(), dig_line_get_area(), Vect_append_points(), Vect_close(), Vect_new_line_struct(), Vect_read_line(), and Vect_reset_line().

Referenced by V2_delete_line_nat(), V2_write_line_nat(), and Vect_build_nat().

int Vect_build_nat	(	struct Map_info *	Map,
		int	build,
		FILE *	msgout
	)

Definition at line 386 of file build_nat.c.

References dig_add_line(), dig_cidx_add_cat(), dig_free_plus_areas(), dig_free_plus_isles(), dig_free_plus_lines(), dig_free_plus_nodes(), dig_line_box(), dig_spidx_free_areas(), dig_spidx_free_isles(), dig_spidx_free_lines(), dig_spidx_free_nodes(), Msgout, prnmsg(), Vect_attach_isle(), Vect_box_copy(), Vect_box_extend(), Vect_build_line_area(), Vect_find_area(), Vect_get_num_lines(), Vect_new_cats_struct(), Vect_new_line_struct(), Vect_new_list(), Vect_read_line(), Vect_read_next_line(), and Vect_rewind().

int Vect_isle_find_area	(	struct Map_info *	Map,
		int	isle
	)

find area outside island

Returns:

number of area(s), 0 if not found

Parameters:

Map_info

structure, isle number

Definition at line 116 of file build_nat.c.

References Vect_get_area_box(), Vect_get_area_points(), Vect_get_isle_box(), Vect_new_line_struct(), Vect_new_list(), Vect_point_in_area_outer_ring(), and Vect_select_areas_by_box().

Referenced by Vect_attach_isle().

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Variable Documentation

FILE* Msgout

Definition at line 40 of file build.c.

Referenced by prnmsg(), Vect_build_nat(), and Vect_build_partial().