RelationalOperators.sql File Reference

The implementantion in sql of BoxSP. More...

Functions
boolean	intersects (boxsp boxa, boxsp boxb)
boolean	contains (boxsp box, pointsp point)
	This function checks if an object contains an another object. More...
boolean	contains (boxsp boxa, boxsp boxb)
	This function checks if an object contains an another object. More...
boolean	containsproperly (boxsp box, pointsp point)
boolean	containsproperly (boxsp boxa, boxsp boxb)
boolean	north (boxsp box, pointsp point)
boolean	north (boxsp boxa, boxsp boxb)
boolean	south (boxsp box, pointsp point)
boolean	south (boxsp boxa, boxsp boxb)
boolean	east (boxsp box, pointsp point)
boolean	east (boxsp boxa, boxsp boxb)
boolean	west (boxsp box, pointsp point)
boolean	west (boxsp boxa, boxsp boxb)

Detailed Description

The implementantion in sql of BoxSP.

Author

Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

BoxSP is a spatial data type used in Hermes

See also

Spatial data types

Function Documentation

boolean contains	(	boxsp	box,
		pointsp	point
	)

This function checks if an object contains an another object.

Parameters

[in]	box	the BoxSP
[in]	point	the PointST

Returns

true or false

boolean contains	(	boxsp	boxa,
		boxsp	boxb
	)

This function checks if an object contains an another object.

Parameters

[in]	boxA	the BoxSP
[in]	boxB	the BoxSP

Returns

true or false

boolean containsproperly	(	boxsp	box,
		pointsp	point
	)

boolean containsproperly	(	boxsp	boxa,
		boxsp	boxb
	)

boolean east	(	boxsp	box,
		pointsp	point
	)

Referenced by distanceBoxSP_BoxSP().

boolean east	(	boxsp	boxa,
		boxsp	boxb
	)

boolean intersects	(	boxsp	boxa,
		boxsp	boxb
	)

boolean north	(	boxsp	box,
		pointsp	point
	)

Referenced by distanceBoxSP_BoxSP().

boolean north	(	boxsp	boxa,
		boxsp	boxb
	)

boolean south	(	boxsp	box,
		pointsp	point
	)

Referenced by distanceBoxSP_BoxSP().

boolean south	(	boxsp	boxa,
		boxsp	boxb
	)

boolean west	(	boxsp	box,
		pointsp	point
	)

Referenced by distanceBoxSP_BoxSP().

boolean west	(	boxsp	boxa,
		boxsp	boxb
	)