geo.h File Reference

#include "groonga_in.h"
#include "ii.h"
#include "db.h"
#include <math.h>

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Data Structures
struct	grn_geo_cursor_entry
struct	grn_geo_cursor_in_rectangle

Macros
#define	GRN_GEO_RESOLUTION   3600000
#define	GRN_GEO_RADIUS   6357303
#define	GRN_GEO_BES_C1   6334834
#define	GRN_GEO_BES_C2   6377397
#define	GRN_GEO_BES_C3   0.006674
#define	GRN_GEO_GRS_C1   6335439
#define	GRN_GEO_GRS_C2   6378137
#define	GRN_GEO_GRS_C3   0.006694
#define	GRN_GEO_INT2RAD(x)   ((M_PI / (GRN_GEO_RESOLUTION * 180)) * (x))
#define	GRN_GEO_RAD2INT(x)   ((int)(((GRN_GEO_RESOLUTION * 180) / M_PI) * (x)))
#define	GRN_GEO_MAX_LATITUDE   324000000 /* 90 * 60 * 60 * 1000 */
#define	GRN_GEO_MAX_LONGITUDE   648000000 /* 180 * 60 * 60 * 1000 */
#define	GRN_GEO_POINT_VALUE_RAW(obj)   (grn_geo_point *)GRN_BULK_HEAD(obj)
#define	GRN_GEO_POINT_VALUE_RADIUS(obj, _latitude, _longitude)
#define	GRN_GEO_KEY_MAX_BITS   64

Enumerations
enum	grn_geo_approximate_type { GRN_GEO_APPROXIMATE_RECTANGLE, GRN_GEO_APPROXIMATE_SPHERE, GRN_GEO_APPROXIMATE_ELLIPSOID }
enum	grn_geo_cursor_entry_status_flag {   GRN_GEO_CURSOR_ENTRY_STATUS_NONE = 0, GRN_GEO_CURSOR_ENTRY_STATUS_TOP_INCLUDED = 1 << 0, GRN_GEO_CURSOR_ENTRY_STATUS_BOTTOM_INCLUDED = 1 << 1, GRN_GEO_CURSOR_ENTRY_STATUS_LEFT_INCLUDED = 1 << 2,   GRN_GEO_CURSOR_ENTRY_STATUS_RIGHT_INCLUDED = 1 << 3, GRN_GEO_CURSOR_ENTRY_STATUS_LATITUDE_INNER = 1 << 4, GRN_GEO_CURSOR_ENTRY_STATUS_LONGITUDE_INNER = 1 << 5 }

Functions
grn_rc	grn_geo_cursor_close (grn_ctx *ctx, grn_obj *geo_cursor)
int	grn_geo_table_sort (grn_ctx *ctx, grn_obj *table, int offset, int limit, grn_obj *result, grn_table_sort_key *keys, int n_keys)
grn_rc	grn_geo_resolve_approximate_type (grn_ctx *ctx, grn_obj *type_name, grn_geo_approximate_type *type)
grn_rc	grn_geo_select_in_circle (grn_ctx *ctx, grn_obj *index, grn_obj *center_point, grn_obj *distance, grn_geo_approximate_type approximate_type, grn_obj *res, grn_operator op)
grn_rc	grn_selector_geo_in_circle (grn_ctx *ctx, grn_obj *table, grn_obj *index, int nargs, grn_obj **args, grn_obj *res, grn_operator op)
grn_rc	grn_selector_geo_in_rectangle (grn_ctx *ctx, grn_obj *table, grn_obj *index, int nargs, grn_obj **args, grn_obj *res, grn_operator op)
GRN_API grn_bool	grn_geo_in_circle (grn_ctx *ctx, grn_obj *point, grn_obj *center, grn_obj *radius_or_point, grn_geo_approximate_type approximate_type)
GRN_API grn_bool	grn_geo_in_rectangle (grn_ctx *ctx, grn_obj *point, grn_obj *top_left, grn_obj *bottom_right)
grn_bool	grn_geo_in_rectangle_raw (grn_ctx *ctx, grn_geo_point *point, grn_geo_point *top_left, grn_geo_point *bottom_right)
double	grn_geo_distance (grn_ctx *ctx, grn_obj *point1, grn_obj *point2, grn_geo_approximate_type type)
GRN_API double	grn_geo_distance_rectangle (grn_ctx *ctx, grn_obj *point1, grn_obj *point2)
GRN_API double	grn_geo_distance_sphere (grn_ctx *ctx, grn_obj *point1, grn_obj *point2)
GRN_API double	grn_geo_distance_ellipsoid (grn_ctx *ctx, grn_obj *point1, grn_obj *point2)
double	grn_geo_distance_rectangle_raw (grn_ctx *ctx, grn_geo_point *point1, grn_geo_point *point2)
double	grn_geo_distance_sphere_raw (grn_ctx *ctx, grn_geo_point *point1, grn_geo_point *point2)
double	grn_geo_distance_ellipsoid_raw (grn_ctx *ctx, grn_geo_point *point1, grn_geo_point *point2, int c1, int c2, double c3)
double	grn_geo_distance_ellipsoid_raw_tokyo (grn_ctx *ctx, grn_geo_point *point1, grn_geo_point *point2)
double	grn_geo_distance_ellipsoid_raw_wgs84 (grn_ctx *ctx, grn_geo_point *point1, grn_geo_point *point2)

Macro Definition Documentation

#define GRN_GEO_BES_C1   6334834

Definition at line 38 of file geo.h.

#define GRN_GEO_BES_C2   6377397

Definition at line 39 of file geo.h.

#define GRN_GEO_BES_C3   0.006674

Definition at line 40 of file geo.h.

#define GRN_GEO_GRS_C1   6335439

Definition at line 41 of file geo.h.

#define GRN_GEO_GRS_C2   6378137

Definition at line 42 of file geo.h.

#define GRN_GEO_GRS_C3   0.006694

Definition at line 43 of file geo.h.

#define GRN_GEO_INT2RAD

(

x

)

((M_PI / (GRN_GEO_RESOLUTION * 180)) * (x))

Definition at line 44 of file geo.h.

#define GRN_GEO_KEY_MAX_BITS   64

Definition at line 57 of file geo.h.

#define GRN_GEO_MAX_LATITUDE   324000000 /* 90 * 60 * 60 * 1000 */

Definition at line 47 of file geo.h.

#define GRN_GEO_MAX_LONGITUDE   648000000 /* 180 * 60 * 60 * 1000 */

Definition at line 48 of file geo.h.

#define GRN_GEO_POINT_VALUE_RADIUS	(		obj,
			_latitude,
			_longitude
	)

Value:

do {\
  grn_geo_point *_val = (grn_geo_point *)GRN_BULK_HEAD(obj);\
  _latitude = GRN_GEO_INT2RAD(_val->latitude);\
  _longitude = GRN_GEO_INT2RAD(_val->longitude);\
} while (0)

Definition at line 51 of file geo.h.

#define GRN_GEO_POINT_VALUE_RAW

(

obj

)

(grn_geo_point *)GRN_BULK_HEAD(obj)

Definition at line 50 of file geo.h.

#define GRN_GEO_RAD2INT

(

x

)

((int)(((GRN_GEO_RESOLUTION * 180) / M_PI) * (x)))

Definition at line 45 of file geo.h.

#define GRN_GEO_RADIUS   6357303

Definition at line 37 of file geo.h.

#define GRN_GEO_RESOLUTION   3600000

Definition at line 36 of file geo.h.

Enumeration Type Documentation

enum grn_geo_approximate_type

Enumerator:

GRN_GEO_APPROXIMATE_RECTANGLE
GRN_GEO_APPROXIMATE_SPHERE
GRN_GEO_APPROXIMATE_ELLIPSOID

Definition at line 59 of file geo.h.

enum grn_geo_cursor_entry_status_flag

Enumerator:

GRN_GEO_CURSOR_ENTRY_STATUS_NONE
GRN_GEO_CURSOR_ENTRY_STATUS_TOP_INCLUDED
GRN_GEO_CURSOR_ENTRY_STATUS_BOTTOM_INCLUDED
GRN_GEO_CURSOR_ENTRY_STATUS_LEFT_INCLUDED
GRN_GEO_CURSOR_ENTRY_STATUS_RIGHT_INCLUDED
GRN_GEO_CURSOR_ENTRY_STATUS_LATITUDE_INNER
GRN_GEO_CURSOR_ENTRY_STATUS_LONGITUDE_INNER

Definition at line 65 of file geo.h.

Function Documentation

grn_rc grn_geo_cursor_close	(	grn_ctx *	ctx,
		grn_obj *	geo_cursor
	)

Definition at line 1660 of file geo.c.

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double grn_geo_distance	(	grn_ctx *	ctx,
		grn_obj *	point1,
		grn_obj *	point2,
		grn_geo_approximate_type	type
	)

Definition at line 2282 of file geo.c.

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GRN_API double grn_geo_distance_ellipsoid	(	grn_ctx *	ctx,
		grn_obj *	point1,
		grn_obj *	point2
	)

Definition at line 2381 of file geo.c.

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double grn_geo_distance_ellipsoid_raw	(	grn_ctx *	ctx,
		grn_geo_point *	point1,
		grn_geo_point *	point2,
		int	c1,
		int	c2,
		double	c3
	)

Definition at line 2239 of file geo.c.

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double grn_geo_distance_ellipsoid_raw_tokyo	(	grn_ctx *	ctx,
		grn_geo_point *	point1,
		grn_geo_point *	point2
	)

Definition at line 2260 of file geo.c.

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double grn_geo_distance_ellipsoid_raw_wgs84	(	grn_ctx *	ctx,
		grn_geo_point *	point1,
		grn_geo_point *	point2
	)

Definition at line 2271 of file geo.c.

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GRN_API double grn_geo_distance_rectangle	(	grn_ctx *	ctx,
		grn_obj *	point1,
		grn_obj *	point2
	)

Definition at line 2305 of file geo.c.

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double grn_geo_distance_rectangle_raw	(	grn_ctx *	ctx,
		grn_geo_point *	point1,
		grn_geo_point *	point2
	)

Definition at line 2189 of file geo.c.

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GRN_API double grn_geo_distance_sphere	(	grn_ctx *	ctx,
		grn_obj *	point1,
		grn_obj *	point2
	)

Definition at line 2354 of file geo.c.

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double grn_geo_distance_sphere_raw	(	grn_ctx *	ctx,
		grn_geo_point *	point1,
		grn_geo_point *	point2
	)

Definition at line 2224 of file geo.c.

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GRN_API grn_bool grn_geo_in_circle	(	grn_ctx *	ctx,
		grn_obj *	point,
		grn_obj *	center,
		grn_obj *	radius_or_point,
		grn_geo_approximate_type	approximate_type
	)

Definition at line 1814 of file geo.c.

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GRN_API grn_bool grn_geo_in_rectangle	(	grn_ctx *	ctx,
		grn_obj *	point,
		grn_obj *	top_left,
		grn_obj *	bottom_right
	)

Definition at line 1892 of file geo.c.

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grn_bool grn_geo_in_rectangle_raw	(	grn_ctx *	ctx,
		grn_geo_point *	point,
		grn_geo_point *	top_left,
		grn_geo_point *	bottom_right
	)

Definition at line 1882 of file geo.c.

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grn_rc grn_geo_resolve_approximate_type	(	grn_ctx *	ctx,
		grn_obj *	type_name,
		grn_geo_approximate_type *	type
	)

Definition at line 717 of file geo.c.

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grn_rc grn_geo_select_in_circle	(	grn_ctx *	ctx,
		grn_obj *	index,
		grn_obj *	center_point,
		grn_obj *	distance,
		grn_geo_approximate_type	approximate_type,
		grn_obj *	res,
		grn_operator	op
	)

grn_geo_select_in_circle: : the index column for TokyoGeoPoint or WGS84GeoPpoint type. : the center point of the target circle. (ShortText, Text, LongText, TokyoGeoPoint or WGS84GeoPoint) : the radius of the target circle (Int32, UInt32, Int64, UInt64 or Float) or the point on the circumference of the target circle. (ShortText, Text, LongText, TokyoGeoPoint or WGS84GeoPoint) : the approximate type to compute distance. : the table to store found record IDs. It must be GRN_TABLE_HASH_KEY type table. : the operator for matched records.

It selects records that are in the circle specified by and from . Records are searched by . Found records are added to table with operation.

Definition at line 828 of file geo.c.

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int grn_geo_table_sort	(	grn_ctx *	ctx,
		grn_obj *	table,
		int	offset,
		int	limit,
		grn_obj *	result,
		grn_table_sort_key *	keys,
		int	n_keys
	)

Definition at line 673 of file geo.c.

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grn_rc grn_selector_geo_in_circle	(	grn_ctx *	ctx,
		grn_obj *	table,
		grn_obj *	index,
		int	nargs,
		grn_obj **	args,
		grn_obj *	res,
		grn_operator	op
	)

Definition at line 757 of file geo.c.

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grn_rc grn_selector_geo_in_rectangle	(	grn_ctx *	ctx,
		grn_obj *	table,
		grn_obj *	index,
		int	nargs,
		grn_obj **	args,
		grn_obj *	res,
		grn_operator	op
	)

Definition at line 980 of file geo.c.

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