com.mysema.query.spatial

Class GeometryExpressions

java.lang.Object

com.mysema.query.spatial.GeometryExpressions

public final class GeometryExpressions
extends Object

GeometryExpressions contains static functions for GEO operations

Method Summary

Methods

Modifier and Type	Method and Description
static StringExpression	asEWKT(GeometryExpression<?> expr) Return a specified ST_Geometry value from Extended Well-Known Text representation (EWKT).
static GeometryExpression<?>	collect(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2) Return a specified ST_Geometry value from a collection of other geometries.
static GeometryExpression<?>	collect(Expression<? extends org.geolatte.geom.GeometryCollection> collection) Return a specified ST_Geometry value from a collection of other geometries.
static BooleanExpression	dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2, double distance) Returns true if the geometries are within the specified distance of one another.
static BooleanExpression	dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2, Expression<Double> distance) Returns true if the geometries are within the specified distance of one another.
static GeometryExpression<?>	extent(Expression<? extends org.geolatte.geom.GeometryCollection> collection) Returns the bounding box that bounds rows of geometries.
static GeometryExpression<?>	fromText(Expression<String> text) Return a specified ST_Geometry value from Well-Known Text representation (WKT).
static GeometryExpression<?>	fromText(String text) Return a specified ST_Geometry value from Well-Known Text representation (WKT).
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	setSRID(Expression<T> expr, int srid) Sets the SRID on a geometry to a particular integer value.
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	translate(Expression<T> expr, float deltax, float deltay) Translates the geometry to a new location using the numeric parameters as offsets.
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	translate(Expression<T> expr, float deltax, float deltay, float deltaz) Translates the geometry to a new location using the numeric parameters as offsets.
static NumberExpression<Double>	xmax(GeometryExpression<?> expr) Returns X maxima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	xmin(GeometryExpression<?> expr) Returns X minima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	ymax(GeometryExpression<?> expr) Returns Y maxima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	ymin(GeometryExpression<?> expr) Returns Y minima of a bounding box 2d or 3d or a geometry.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

asEWKT

public static StringExpression asEWKT(GeometryExpression<?> expr)

Return a specified ST_Geometry value from Extended Well-Known Text representation (EWKT).

Parameters:

expr -

Returns:

fromText

public static GeometryExpression<?> fromText(String text)

Return a specified ST_Geometry value from Well-Known Text representation (WKT).

Parameters:

text -

Returns:

fromText

public static GeometryExpression<?> fromText(Expression<String> text)

Return a specified ST_Geometry value from Well-Known Text representation (WKT).

Parameters:

text -

Returns:

setSRID

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> setSRID(Expression<T> expr,
                                                                   int srid)

Sets the SRID on a geometry to a particular integer value.

Type Parameters:

T -

Parameters:

expr -

srid -

Returns:

xmin

public static NumberExpression<Double> xmin(GeometryExpression<?> expr)

Returns X minima of a bounding box 2d or 3d or a geometry.

Parameters:

expr -

Returns:

xmax

public static NumberExpression<Double> xmax(GeometryExpression<?> expr)

Returns X maxima of a bounding box 2d or 3d or a geometry.

Parameters:

expr -

Returns:

ymin

public static NumberExpression<Double> ymin(GeometryExpression<?> expr)

Returns Y minima of a bounding box 2d or 3d or a geometry.

Parameters:

expr -

Returns:

ymax

public static NumberExpression<Double> ymax(GeometryExpression<?> expr)

Returns Y maxima of a bounding box 2d or 3d or a geometry.

Parameters:

expr -

Returns:

dwithin

public static BooleanExpression dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1,
                        Expression<? extends org.geolatte.geom.Geometry> expr2,
                        Expression<Double> distance)

Returns true if the geometries are within the specified distance of one another. For geometry units are in those of spatial reference and For geography units are in meters.

Parameters:

expr1 -

expr2 -

distance -

Returns:

dwithin

public static BooleanExpression dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1,
                        Expression<? extends org.geolatte.geom.Geometry> expr2,
                        double distance)

Returns true if the geometries are within the specified distance of one another. For geometry units are in those of spatial reference and For geography units are in meters.

Parameters:

expr1 -

expr2 -

distance -

Returns:

extent

public static GeometryExpression<?> extent(Expression<? extends org.geolatte.geom.GeometryCollection> collection)

Returns the bounding box that bounds rows of geometries.

Parameters:

collection -

Returns:

collect

public static GeometryExpression<?> collect(Expression<? extends org.geolatte.geom.GeometryCollection> collection)

Return a specified ST_Geometry value from a collection of other geometries.

Parameters:

collection -

Returns:

collect

public static GeometryExpression<?> collect(Expression<? extends org.geolatte.geom.Geometry> expr1,
                            Expression<? extends org.geolatte.geom.Geometry> expr2)

Return a specified ST_Geometry value from a collection of other geometries.

Parameters:

expr1 -

expr2 -

Returns:

translate

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> translate(Expression<T> expr,
                                                                     float deltax,
                                                                     float deltay)

Translates the geometry to a new location using the numeric parameters as offsets.

Type Parameters:

T -

Parameters:

expr -

deltax -

deltay -

Returns:

translate

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> translate(Expression<T> expr,
                                                                     float deltax,
                                                                     float deltay,
                                                                     float deltaz)

Translates the geometry to a new location using the numeric parameters as offsets.

Type Parameters:

T -

Parameters:

expr -

deltax -

deltay -

deltaz -

Returns: