org.h2gis.functions.spatial.create

Class ST_Extrude

java.lang.Object

org.h2gis.api.AbstractFunction

org.h2gis.api.DeterministicScalarFunction

org.h2gis.functions.spatial.create.ST_Extrude

All Implemented Interfaces:

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

public class ST_Extrude
extends org.h2gis.api.DeterministicScalarFunction

ST_Extrude takes a LINESTRING or POLYGON as input and extends it to a 3D representation, returning a geometry collection containing floor, ceiling and wall geometries. In the case of a LINESTRING, the floor and ceiling are LINESTRINGs; for a POLYGON, they are POLYGONs.

Author:

Erwan Bocher

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_Extrude()

Method Summary

Modifier and Type	Method and Description
static org.locationtech.jts.geom.GeometryCollection	extrudeGeometry(org.locationtech.jts.geom.Geometry geometry, double height) Extrudes a POLYGON or a LINESTRING into a GEOMETRYCOLLECTION containing the floor (input geometry), walls and ceiling.
static org.locationtech.jts.geom.Geometry	extrudeGeometry(org.locationtech.jts.geom.Geometry geometry, double height, int flag) Extrudes a POLYGON or a LINESTRING into a GEOMETRYCOLLECTION containing the floor (input geometry), walls and ceiling.
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_Extrude

public ST_Extrude()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

extrudeGeometry

public static org.locationtech.jts.geom.GeometryCollection extrudeGeometry(org.locationtech.jts.geom.Geometry geometry,
                                                                           double height)
                                                                    throws SQLException

Extrudes a POLYGON or a LINESTRING into a GEOMETRYCOLLECTION containing the floor (input geometry), walls and ceiling. Note : the NaN z value of the input geometry are replaced by a zero.

Parameters:

geometry - Input geometry

height - Desired height

Returns:

Collection (floor, walls, ceiling)

Throws:

SQLException

extrudeGeometry

public static org.locationtech.jts.geom.Geometry extrudeGeometry(org.locationtech.jts.geom.Geometry geometry,
                                                                 double height,
                                                                 int flag)
                                                          throws SQLException

Extrudes a POLYGON or a LINESTRING into a GEOMETRYCOLLECTION containing the floor (input geometry), walls and ceiling. A flag of 1 extracts walls and a flag of 2 extracts the roof.

Parameters:

geometry - Input geometry

height - Desired height

flag - 1 (walls), 2 (roof)

Returns:

Walls or roof

Throws:

SQLException