Package org.h2gis.functions.spatial.operators

Class ST_Difference

java.lang.Object

org.h2gis.api.AbstractFunction

org.h2gis.api.DeterministicScalarFunction

org.h2gis.functions.spatial.operators.ST_Difference

All Implemented Interfaces:

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

public class ST_Difference
extends org.h2gis.api.DeterministicScalarFunction

Compute the difference between two Geometries.

Author:

Nicolas Fortin

Field Summary

Fields inherited from interface org.h2gis.api.Function

PROP_NAME, PROP_REMARKS

Fields inherited from interface org.h2gis.api.ScalarFunction

PROP_DETERMINISTIC

Constructor Summary

Constructors

Constructor	Description
ST_Difference()	Default constructor

Method Summary

Modifier and Type	Method	Description
static org.locationtech.jts.geom.Geometry	difference(org.locationtech.jts.geom.Geometry a, org.locationtech.jts.geom.Geometry b)
static org.locationtech.jts.geom.Geometry	difference(org.locationtech.jts.geom.Geometry a, org.locationtech.jts.geom.Geometry b, double gridSize)
String	getJavaStaticMethod()

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_Difference

public ST_Difference()

Default constructor

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

difference

public static org.locationtech.jts.geom.Geometry difference(org.locationtech.jts.geom.Geometry a,
                                                            org.locationtech.jts.geom.Geometry b)
                                                     throws SQLException

Parameters:

a - Geometry instance.

b - Geometry instance

Returns:

the difference between two geometries

Throws:

SQLException

difference

public static org.locationtech.jts.geom.Geometry difference(org.locationtech.jts.geom.Geometry a,
                                                            org.locationtech.jts.geom.Geometry b,
                                                            double gridSize)
                                                     throws SQLException

Parameters:

a - Geometry instance.

b - Geometry instance

gridSize - size of a grid to snap the input geometries

Returns:

the difference between two geometries

Throws:

SQLException