org.h2gis.h2spatial.internal.function.spatial.properties
Class ST_Z

java.lang.Object
  org.h2gis.h2spatialapi.AbstractFunction
      org.h2gis.h2spatialapi.DeterministicScalarFunction
          org.h2gis.h2spatial.internal.function.spatial.properties.ST_Z

All Implemented Interfaces:

Function, ScalarFunction

Direct Known Subclasses:

ST_M

public class ST_Z
extends DeterministicScalarFunction

Get the first Z coordinate

Author:

Nicolas Fortin

Field Summary

Fields inherited from interface org.h2gis.h2spatialapi.ScalarFunction

PROP_DETERMINISTIC, PROP_NOBUFFER

Fields inherited from interface org.h2gis.h2spatialapi.Function

PROP_NAME, PROP_REMARKS

Constructor Summary

ST_Z()
Default constructor

Method Summary

String	getJavaStaticMethod()
static Double	getZ(com.vividsolutions.jts.geom.Geometry geometry)

Methods inherited from class org.h2gis.h2spatialapi.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.h2spatialapi.Function

getProperty

Constructor Detail

ST_Z

public ST_Z()

Default constructor

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

getZ

public static Double getZ(com.vividsolutions.jts.geom.Geometry geometry)

Parameters:

geometry - Geometry instance

Returns:

A z coordinate or null if null or empty geometry.