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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JTSHelper()

Method Summary

Modifier and Type	Method and 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