org.h2gis.functions.spatial.affine_transformations

Class ST_Rotate

java.lang.Object

org.h2gis.api.AbstractFunction

org.h2gis.api.DeterministicScalarFunction

org.h2gis.functions.spatial.affine_transformations.ST_Rotate

All Implemented Interfaces:

org.h2gis.api.Function, org.h2gis.api.ScalarFunction

public class ST_Rotate
extends org.h2gis.api.DeterministicScalarFunction

ST_Rotate rotates a geometry by a given angle (in radians) about the geometry's center.

Author:

Adam Gouge

Field Summary

Fields inherited from interface org.h2gis.api.ScalarFunction

PROP_DETERMINISTIC, PROP_NOBUFFER

Fields inherited from interface org.h2gis.api.Function

PROP_NAME, PROP_REMARKS

Constructor Summary

Constructors

Constructor and Description
ST_Rotate()

Method Summary

Modifier and Type	Method and Description
String	getJavaStaticMethod()
static com.vividsolutions.jts.geom.Geometry	rotate(com.vividsolutions.jts.geom.Geometry geom, double theta) Rotates a geometry by a given angle (in radians) about the center of the geometry's envelope.
static com.vividsolutions.jts.geom.Geometry	rotate(com.vividsolutions.jts.geom.Geometry geom, double theta, double x0, double y0) Rotates a geometry by a given angle (in radians) about the specified point at (x0, y0).
static com.vividsolutions.jts.geom.Geometry	rotate(com.vividsolutions.jts.geom.Geometry geom, double theta, com.vividsolutions.jts.geom.Point point) Rotates a geometry by a given angle (in radians) about the specified point.

Methods inherited from class org.h2gis.api.AbstractFunction

addProperty, getProperty, removeProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2gis.api.Function

getProperty

Constructor Detail

ST_Rotate

public ST_Rotate()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

rotate

public static com.vividsolutions.jts.geom.Geometry rotate(com.vividsolutions.jts.geom.Geometry geom,
                                                          double theta)

Rotates a geometry by a given angle (in radians) about the center of the geometry's envelope.

Parameters:

geom - Geometry

theta - Angle

Returns:

The geometry rotated about the center of its envelope

rotate

public static com.vividsolutions.jts.geom.Geometry rotate(com.vividsolutions.jts.geom.Geometry geom,
                                                          double theta,
                                                          com.vividsolutions.jts.geom.Point point)

Rotates a geometry by a given angle (in radians) about the specified point.

Parameters:

geom - Geometry

theta - Angle

point - The point about which to rotate

Returns:

The geometry rotated by theta about the given point

rotate

public static com.vividsolutions.jts.geom.Geometry rotate(com.vividsolutions.jts.geom.Geometry geom,
                                                          double theta,
                                                          double x0,
                                                          double y0)

Rotates a geometry by a given angle (in radians) about the specified point at (x0, y0).

Parameters:

geom - Geometry

theta - Angle

x0 - x-coordinate of point about which to rotate

y0 - y-coordinate of point about which to rotate

Returns:

The geometry rotated by theta about (x0, y0)