org.geotools.process.geometry

Class GeometryFunctions

Object

GeometryFunctions

public class GeometryFunctions
extends Object

A set of static functions providing the implementation of processes exposed by the GeometryProcessFactory.

Author:

Andrea Aime

Constructor Summary

Constructors

Constructor and Description
GeometryFunctions()

Method Summary

Modifier and Type	Method and Description
static double	area(Geometry geom)
static Geometry	boundary(Geometry geom)
static Geometry	buffer(Geometry geom, double distance, Integer quadrantSegments, GeometryFunctions.BufferCapStyle capStyle)
static Geometry	centroid(Geometry geom)
static boolean	contains(Geometry a, Geometry b)
static Geometry	convexHull(Geometry geom)
static boolean	crosses(Geometry a, Geometry b)
static Geometry	densify(Geometry geom, double distance)
static Geometry	difference(Geometry a, Geometry b)
static int	dimension(Geometry geom)
static boolean	disjoint(Geometry a, Geometry b)
static double	distance(Geometry a, Geometry b)
static Point	endPoint(LineString line)
static Geometry	envelope(Geometry geom)
static boolean	equalsExact(Geometry a, Geometry b)
static boolean	equalsExactTolerance(Geometry a, Geometry b, double tolerance)
static Geometry	exteriorRing(Polygon polygon)
static String	geometryType(Geometry geom)
static Geometry	getGeometryN(GeometryCollection collection, int index)
static double	getX(Point point)
static double	getY(Point point)
static Geometry	interiorPoint(Geometry geom)
static Geometry	interiorRingN(Polygon polygon, int index)
static Geometry	intersection(Geometry a, Geometry b)
static boolean	intersects(Geometry a, Geometry b)
static boolean	isClosed(LineString line)
static boolean	isEmpty(Geometry geom)
static boolean	isRing(LineString line)
static boolean	isSimple(Geometry geom)
static boolean	isValid(Geometry geom)
static boolean	isWithinDistance(Geometry a, Geometry b, double distance)
static double	length(Geometry geom)
static int	numGeometries(Geometry collection)
static int	numInteriorRing(Polygon polygon)
static int	numPoints(Geometry geom)
static boolean	overlaps(Geometry a, Geometry b)
static Point	pointN(LineString line, int index)
static Geometry	polygonize(Geometry geom)
static String	relate(Geometry a, Geometry b)
static boolean	relatePattern(Geometry a, Geometry b, String pattern)
static Geometry	reproject(Geometry geometry, CoordinateReferenceSystem sourceCRS, CoordinateReferenceSystem targetCRS) Will reproject a geometry to another CRS.
static Geometry	simplify(Geometry geom, double distance)
static Geometry	splitPolygon(Geometry polygon, LineString line)
static Point	startPoint(LineString line)
static Geometry	symDifference(Geometry a, Geometry b)
static boolean	touches(Geometry a, Geometry b)
static Geometry	union(Geometry... geoms)
static boolean	within(Geometry a, Geometry b)

Methods inherited from class Object

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

Constructor Detail

GeometryFunctions

public GeometryFunctions()

Method Detail

contains

public static boolean contains(Geometry a,
                               Geometry b)

isEmpty

public static boolean isEmpty(Geometry geom)

length

public static double length(Geometry geom)

intersects

public static boolean intersects(Geometry a,
                                 Geometry b)

isValid

public static boolean isValid(Geometry geom)

geometryType

public static String geometryType(Geometry geom)

numPoints

public static int numPoints(Geometry geom)

isSimple

public static boolean isSimple(Geometry geom)

distance

public static double distance(Geometry a,
                              Geometry b)

isWithinDistance

public static boolean isWithinDistance(Geometry a,
                                       Geometry b,
                                       double distance)

area

public static double area(Geometry geom)

centroid

public static Geometry centroid(Geometry geom)

interiorPoint

public static Geometry interiorPoint(Geometry geom)

dimension

public static int dimension(Geometry geom)

boundary

public static Geometry boundary(Geometry geom)

envelope

public static Geometry envelope(Geometry geom)

disjoint

public static boolean disjoint(Geometry a,
                               Geometry b)

touches

public static boolean touches(Geometry a,
                              Geometry b)

crosses

public static boolean crosses(Geometry a,
                              Geometry b)

within

public static boolean within(Geometry a,
                             Geometry b)

overlaps

public static boolean overlaps(Geometry a,
                               Geometry b)

relatePattern

public static boolean relatePattern(Geometry a,
                                    Geometry b,
                                    String pattern)

relate

public static String relate(Geometry a,
                            Geometry b)

buffer

public static Geometry buffer(Geometry geom,
                              double distance,
                              Integer quadrantSegments,
                              GeometryFunctions.BufferCapStyle capStyle)

convexHull

public static Geometry convexHull(Geometry geom)

intersection

public static Geometry intersection(Geometry a,
                                    Geometry b)

union

public static Geometry union(Geometry... geoms)

difference

public static Geometry difference(Geometry a,
                                  Geometry b)

symDifference

public static Geometry symDifference(Geometry a,
                                     Geometry b)

equalsExactTolerance

public static boolean equalsExactTolerance(Geometry a,
                                           Geometry b,
                                           double tolerance)

equalsExact

public static boolean equalsExact(Geometry a,
                                  Geometry b)

numGeometries

public static int numGeometries(Geometry collection)

getGeometryN

public static Geometry getGeometryN(GeometryCollection collection,
                                    int index)

getX

public static double getX(Point point)

getY

public static double getY(Point point)

isClosed

public static boolean isClosed(LineString line)

pointN

public static Point pointN(LineString line,
                           int index)

startPoint

public static Point startPoint(LineString line)

endPoint

public static Point endPoint(LineString line)

isRing

public static boolean isRing(LineString line)

exteriorRing

public static Geometry exteriorRing(Polygon polygon)

numInteriorRing

public static int numInteriorRing(Polygon polygon)

interiorRingN

public static Geometry interiorRingN(Polygon polygon,
                                     int index)

simplify

public static Geometry simplify(Geometry geom,
                                double distance)

densify

public static Geometry densify(Geometry geom,
                               double distance)

polygonize

public static Geometry polygonize(Geometry geom)

splitPolygon

public static Geometry splitPolygon(Geometry polygon,
                                    LineString line)

reproject

public static Geometry reproject(Geometry geometry,
                                 CoordinateReferenceSystem sourceCRS,
                                 CoordinateReferenceSystem targetCRS)

Will reproject a geometry to another CRS.