Package org.n52.shetland.util

Class JTSHelper

java.lang.Object

org.n52.shetland.util.JTSHelper

public class JTSHelper
extends Object

Utility class for the Java Topology Suite.

Since:

1.0.0

Field Summary

Fields

Modifier and Type	Field	Description
static org.locationtech.jts.geom.CoordinateFilter	COORDINATE_SWITCHING_FILTER
static String	WKT_POINT
static String	WKT_POLYGON

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JTSHelper()

Method Summary

Modifier and Type	Method	Description
static org.locationtech.jts.geom.Envelope	createEnvelopeFromLowerUpperCorner(String lowerCorner, String upperCorner)
static org.locationtech.jts.geom.Geometry	createGeometryFromWKT(String wkt, int srid)	Creates a JTS Geometry from an WKT representation.
static org.locationtech.jts.geom.Geometry	createPolygonFromEnvelope(double[] envelope, int srid)
static org.locationtech.jts.geom.Geometry	createPolygonFromEnvelope(double minx, double miny, double maxx, double maxy, int srid)
static String	createWKTPointFromCoordinateString(String coordinates)	Creates a WKT Point string form coordinate string.
static String	createWKTPolygonFromEnvelope(String lowerCorner, String upperCorner)	Creates a WKT Polygon representation from lower and upper corner values.
static String	getCoordinatesString(org.locationtech.jts.geom.Coordinate[] sourceCoords)
static String	getCoordinatesString(org.locationtech.jts.geom.Geometry geom)	Get the coordinates of a Geometry as String.
protected static StringBuilder	getCoordinateString(StringBuilder builder, org.locationtech.jts.geom.Coordinate coordinate)
static org.locationtech.jts.geom.Coordinate[]	getExteriorRingCoordinatesFromPolygon(org.locationtech.jts.geom.Polygon polygon)	Fix for Binary-Incompatible-Change in JTS 1.17.0 Polygon getExteriorRing() which returns LinearRing instead of a LineString.
static org.locationtech.jts.geom.GeometryFactory	getGeometryFactory(org.locationtech.jts.geom.Geometry geometry)
static org.locationtech.jts.geom.GeometryFactory	getGeometryFactoryForSRID(int srid)
static org.n52.shetland.util.JTSHelper.SwitchCoordinateGeometryFactory	getSwitchCoordinateGeometryFactoryForSRID(int srid)
static org.locationtech.jts.io.WKTReader	getWKTReaderForSRID(int srid)
static boolean	isNotEmpty(org.locationtech.jts.geom.Geometry geometry)
static <G extends org.locationtech.jts.geom.Geometry> G	switchCoordinateAxisOrder(G geometry)	Switches the coordinates of a JTS Geometry.

Methods inherited from class java.lang.Object

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

Field Detail

WKT_POLYGON

public static final String WKT_POLYGON

See Also:

Constant Field Values

WKT_POINT

public static final String WKT_POINT

See Also:

Constant Field Values

COORDINATE_SWITCHING_FILTER

public static final org.locationtech.jts.geom.CoordinateFilter COORDINATE_SWITCHING_FILTER

Constructor Detail

JTSHelper

protected JTSHelper()

Method Detail

createGeometryFromWKT

public static org.locationtech.jts.geom.Geometry createGeometryFromWKT(String wkt,
                                                                       int srid)
                                                                throws org.locationtech.jts.io.ParseException

Creates a JTS Geometry from an WKT representation. Switches the coordinate order if needed.

Parameters:

wkt - WKT representation of the geometry

srid - the SRID of the newly created geometry

Returns:

JTS Geometry object

Throws:

org.locationtech.jts.io.ParseException - If an error occurs

getWKTReaderForSRID

public static org.locationtech.jts.io.WKTReader getWKTReaderForSRID(int srid)

getCoordinatesString

public static String getCoordinatesString(org.locationtech.jts.geom.Geometry geom)

Get the coordinates of a Geometry as String.

Parameters:

geom - Geometry to get coordinates

Returns:

Coordinates as String

getCoordinatesString

public static String getCoordinatesString(org.locationtech.jts.geom.Coordinate[] sourceCoords)

getCoordinateString

protected static StringBuilder getCoordinateString(StringBuilder builder,
                                                   org.locationtech.jts.geom.Coordinate coordinate)

createWKTPolygonFromEnvelope

public static String createWKTPolygonFromEnvelope(String lowerCorner,
                                                  String upperCorner)

Creates a WKT Polygon representation from lower and upper corner values.

Parameters:

lowerCorner - Lower corner coordinates

upperCorner - Upper corner coordinates

Returns:

WKT Polygon

createEnvelopeFromLowerUpperCorner

public static org.locationtech.jts.geom.Envelope createEnvelopeFromLowerUpperCorner(String lowerCorner,
                                                                                    String upperCorner)

createPolygonFromEnvelope

public static org.locationtech.jts.geom.Geometry createPolygonFromEnvelope(double[] envelope,
                                                                           int srid)

createPolygonFromEnvelope

public static org.locationtech.jts.geom.Geometry createPolygonFromEnvelope(double minx,
                                                                           double miny,
                                                                           double maxx,
                                                                           double maxy,
                                                                           int srid)

switchCoordinateAxisOrder

public static <G extends org.locationtech.jts.geom.Geometry> G switchCoordinateAxisOrder(G geometry)

Switches the coordinates of a JTS Geometry.

Type Parameters:

G - the geometry type

Parameters:

geometry - Geometry to switch coordinates.

Returns:

Geometry with switched coordinates

getGeometryFactory

public static org.locationtech.jts.geom.GeometryFactory getGeometryFactory(org.locationtech.jts.geom.Geometry geometry)

getGeometryFactoryForSRID

public static org.locationtech.jts.geom.GeometryFactory getGeometryFactoryForSRID(int srid)

getSwitchCoordinateGeometryFactoryForSRID

public static org.n52.shetland.util.JTSHelper.SwitchCoordinateGeometryFactory getSwitchCoordinateGeometryFactoryForSRID(int srid)

createWKTPointFromCoordinateString

public static String createWKTPointFromCoordinateString(String coordinates)

Creates a WKT Point string form coordinate string.

Parameters:

coordinates - Coordinate string

Returns:

WKT Point string

isNotEmpty

public static boolean isNotEmpty(org.locationtech.jts.geom.Geometry geometry)

getExteriorRingCoordinatesFromPolygon

public static org.locationtech.jts.geom.Coordinate[] getExteriorRingCoordinatesFromPolygon(org.locationtech.jts.geom.Polygon polygon)

Fix for Binary-Incompatible-Change in JTS 1.17.0 Polygon getExteriorRing() which returns LinearRing instead of a LineString. This changes occurs errors in the SOS with Hinernate/Geolatte until the 3rd party libraries have not updated to JTS 1.17.0.

Parameters:

polygon - polygon to get exterior ring from

Returns:

the coordinates