org.deegree.framework.xml
Class GeometryUtils

java.lang.Object
  org.deegree.framework.xml.GeometryUtils

public class GeometryUtils
extends Object

Utility methods for handling geometries within XSLT transformations

Since:

2.0

Version:

$Revision: 9339 $, 1.0. $Revision: 9339 $, $Date: 2007-12-27 13:31:52 +0100 (Do, 27 Dez 2007) $

Author:

Andreas Poth, last edited by: $Author: apoth $

Constructor Summary

GeometryUtils()

Method Summary

static double	calcArea(Node node)
static double	calcOuterBoundaryLength(Node node)
static double	getCentroidX(Node node, String targetCRS) returns the centroid X coordinate of the geometry represented by the passed Node
static double	getCentroidY(Node node, String targetCRS) returns the centroid Y coordinate of the geometry represented by the passed Node
static String	getCurveCoordinates(Node node)
static String	getEnvelopeFromGeometry(Node node)
static String	getPolygonCoordinatesFromEnvelope(Node node)
static String	getPolygonInnerRing(Node node, int index, String sourceCRS, String targetCRS)
static String	getPolygonOuterRing(Node node, String sourceCRS, String targetCRS) returns the coordinates of the out ring of a polygon as comma seperated list.

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryUtils

public GeometryUtils()

Method Detail

getPolygonCoordinatesFromEnvelope

public static String getPolygonCoordinatesFromEnvelope(Node node)

Parameters:

node -

Returns:

getEnvelopeFromGeometry

public static String getEnvelopeFromGeometry(Node node)

Parameters:

node -

Returns:

getPolygonOuterRing

public static String getPolygonOuterRing(Node node,
                                         String sourceCRS,
                                         String targetCRS)

returns the coordinates of the out ring of a polygon as comma seperated list. The coordinate tuples are seperated by a blank. If required the polygon will first transformed to the target CRS

Parameters:

node -

sourceCRS -

targetCRS -

Returns:

getPolygonInnerRing

public static String getPolygonInnerRing(Node node,
                                         int index,
                                         String sourceCRS,
                                         String targetCRS)

Parameters:

node -

index -

sourceCRS -

targetCRS -

Returns:

calcArea

public static double calcArea(Node node)

Parameters:

node -

Returns:

calcOuterBoundaryLength

public static double calcOuterBoundaryLength(Node node)

Parameters:

node -

Returns:

getCentroidX

public static double getCentroidX(Node node,
                                  String targetCRS)

returns the centroid X coordinate of the geometry represented by the passed Node

Parameters:

node -

targetCRS -

Returns:

getCentroidY

public static double getCentroidY(Node node,
                                  String targetCRS)

returns the centroid Y coordinate of the geometry represented by the passed Node

Parameters:

node -

targetCRS -

Returns:

getCurveCoordinates

public static String getCurveCoordinates(Node node)