box.c File Reference

#include <stdlib.h>
#include "gis.h"
#include "Vect.h"

Include dependency graph for box.c:

Go to the source code of this file.

Functions
int	Vect_point_in_box (double x, double y, double z, BOUND_BOX *Box)
	tests for point in box
int	Vect_box_overlap (BOUND_BOX *A, BOUND_BOX *B)
	tests for overlap of two boxes
int	Vect_box_copy (BOUND_BOX *A, BOUND_BOX *B)
	copy box A to box B
int	Vect_box_extend (BOUND_BOX *A, BOUND_BOX *B)
	extend box A by box B
int	Vect_get_line_box (struct Map_info *Map, int line, BOUND_BOX *Box)
	get line number in boundary box ??
int	Vect_get_area_box (struct Map_info *Map, int area, BOUND_BOX *Box)
	get area number in boundary box ?
int	Vect_get_isle_box (struct Map_info *Map, int isle, BOUND_BOX *Box)
	get isle number in boundary box ?
int	Vect_get_map_box (struct Map_info *Map, BOUND_BOX *Box)
	falls map into boundary box ???
int	Vect_region_box (struct Cell_head *Window, BOUND_BOX *Box)
	copy region Window to Box

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Function Documentation

int Vect_box_copy	(	BOUND_BOX *	A,
		BOUND_BOX *	B
	)

copy box A to box B

Returns:

1

Parameters:

boundary

box1, boundary box2

Definition at line 68 of file box.c.

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

int Vect_box_extend	(	BOUND_BOX *	A,
		BOUND_BOX *	B
	)

extend box A by box B

Returns:

1

Parameters:

boundary

box1, boundary box2

Definition at line 88 of file box.c.

Referenced by V2_delete_line_nat(), and V2_write_line_nat().

int Vect_box_overlap	(	BOUND_BOX *	A,
		BOUND_BOX *	B
	)

tests for overlap of two boxes

Returns:

1 boxes overlap, 0 boxes do not overlap

Parameters:

boundary

box A, boundary box B

Definition at line 48 of file box.c.

Referenced by V1_read_next_line_nat(), V1_read_next_line_ogr(), and V2_read_next_line_nat().

int Vect_get_area_box	(	struct Map_info *	Map,
		int	area,
		BOUND_BOX *	Box
	)

get area number in boundary box ?

Returns:

1 on success, 0 area is dead

Parameters:

Map_info

structure, area number, boundary box

Definition at line 143 of file box.c.

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

int Vect_get_isle_box	(	struct Map_info *	Map,
		int	isle,
		BOUND_BOX *	Box
	)

get isle number in boundary box ?

Returns:

1 on success, 0 isle is dead

Parameters:

Map_info

structure, isle number, boundary box

Definition at line 178 of file box.c.

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

int Vect_get_line_box	(	struct Map_info *	Map,
		int	line,
		BOUND_BOX *	Box
	)

get line number in boundary box ??

Returns:

1 on success, 0 line is dead

Parameters:

Map_info

structure, line number, boundary box

Definition at line 108 of file box.c.

Referenced by V2_read_next_line_nat(), and Vect_break_lines().

int Vect_get_map_box	(	struct Map_info *	Map,
		BOUND_BOX *	Box
	)

falls map into boundary box ???

Returns:

1 on success, 0 on error

Parameters:

Map_info

structure, boundary box

Definition at line 213 of file box.c.

int Vect_point_in_box	(	double	x,
		double	y,
		double	z,
		BOUND_BOX *	Box
	)

tests for point in box

Returns:

1 point is in box, 0 point is not in box

Parameters:

xyz

coordinates, boundary box

Definition at line 28 of file box.c.

References N.

int Vect_region_box	(	struct Cell_head *	Window,
		BOUND_BOX *	Box
	)

copy region Window to Box

Returns:

1 on success, 0 on error

Parameters:

region

structure, boundary box

Definition at line 237 of file box.c.

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