org.deegree.geometry
Class SimpleGeometryFactory

java.lang.Object
  org.deegree.geometry.SimpleGeometryFactory

Direct Known Subclasses:

GeometryFactory

public class SimpleGeometryFactory
extends Object

Supplies utility methods for building simple Geometry objects.

Author:

Markus Schneider, last edited by: $Author: mschneider $

See Also:

GeometryFactory, GeometryInspector

Field Summary

protected List<GeometryInspector>	inspectors
protected PrecisionModel	pm

Constructor Summary

SimpleGeometryFactory()

SimpleGeometryFactory(PrecisionModel pm)

Method Summary

void	addInspector(GeometryInspector inspector) Adds the given GeometryInspector which will be invoked for every Geometry / CurveSegment or SurfacePatch instance created by this factory.
Envelope	createEnvelope(double[] min, double[] max, CRS crs) Creates an Envelope.
Envelope	createEnvelope(double minx, double miny, double maxx, double maxy, CRS crs) Creates an Envelope in 2D space.
Envelope	createEnvelope(List<Double> lowerCorner, List<Double> upperCorner, CRS crs) Create an Envelope from a list of Doubles.
LineString	createLineString(String id, CRS crs, Points points) Creates a LineString geometry.
MultiGeometry<Geometry>	createMultiGeometry(String id, CRS crs, List<Geometry> members) Creates an untyped multi geometry from a list of Geometrys.
MultiLineString	createMultiLineString(String id, CRS crs, List<LineString> members) Creates a MultiCurve from a list of passed LineStrings.
MultiPoint	createMultiPoint(String id, CRS crs, List<Point> members) Creates a MultiPoint from a list of passed Points.
MultiPolygon	createMultiPolygon(String id, CRS crs, List<Polygon> members) Creates a MultiPolygon from a list of passed Polygons.
Point	createPoint(String id, double[] coordinates, CRS crs) Creates a Point with an arbitrary number of coordinates.
Point	createPoint(String id, double x, double y, CRS crs) Creates a Point in 2D space.
Point	createPoint(String id, double x, double y, double z, CRS crs) Creates a Point in 3D space.
Points	createPoints(List<Point> points) Creates a Points object from the given list of Point instances.
Polygon	createPolygon(String id, CRS crs, Ring exteriorRing, List<Ring> interiorRings) Creates a Polygon surface.
protected Geometry	inspect(Geometry geom)
protected Points	inspect(Points points)

Methods inherited from class java.lang.Object

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

Field Detail

inspectors

protected List<GeometryInspector> inspectors

pm

protected PrecisionModel pm

Constructor Detail

SimpleGeometryFactory

public SimpleGeometryFactory()

SimpleGeometryFactory

public SimpleGeometryFactory(PrecisionModel pm)

Method Detail

addInspector

public void addInspector(GeometryInspector inspector)

Adds the given GeometryInspector which will be invoked for every Geometry / CurveSegment or SurfacePatch instance created by this factory.

Parameters:

inspector - inspector to be added, must not be null

inspect

protected Geometry inspect(Geometry geom)

inspect

protected Points inspect(Points points)

createPoint

public Point createPoint(String id,
                         double x,
                         double y,
                         CRS crs)

Creates a Point in 2D space.

Parameters:

id - identifier, may be null

x - value for first coordinate

y - value for second coordinate

crs - coordinate reference system, may be null

Returns:

created Point

createPoint

public Point createPoint(String id,
                         double x,
                         double y,
                         double z,
                         CRS crs)

Creates a Point in 3D space.

Parameters:

id - identifier, may be null

x - value for first coordinate

y - value for second coordinate

z - value for third coordinate

crs - coordinate reference system, may be null

Returns:

created Point

createPoint

public Point createPoint(String id,
                         double[] coordinates,
                         CRS crs)

Creates a Point with an arbitrary number of coordinates.

Parameters:

id - identifier, may be null

coordinates - coordinate values

crs - coordinate reference system, may be null

Returns:

created Point

createPoints

public Points createPoints(List<Point> points)

Creates a Points object from the given list of Point instances.

Parameters:

points - list of points, must not be null

Returns:

created Points

createPolygon

public Polygon createPolygon(String id,
                             CRS crs,
                             Ring exteriorRing,
                             List<Ring> interiorRings)

Creates a Polygon surface.

Parameters:

id - identifier of the new geometry instance

crs - coordinate reference system, may be null

exteriorRing - ring that defines the outer boundary, this may be null (see section 9.2.2.5 of GML spec)

interiorRings - list of rings that define the inner boundaries, may be empty or null

Returns:

created Polygon

createLineString

public LineString createLineString(String id,
                                   CRS crs,
                                   Points points)

Creates a LineString geometry.

Parameters:

id - identifier, may be null

crs - coordinate reference system

points - control points

Returns:

created LineString

createEnvelope

public Envelope createEnvelope(double[] min,
                               double[] max,
                               CRS crs)

Creates an Envelope.

Parameters:

min - minimum corner coordinates

max - maximum corner coordinates

crs - coordinate reference system, may be null

Returns:

created Envelope

createEnvelope

public Envelope createEnvelope(double minx,
                               double miny,
                               double maxx,
                               double maxy,
                               CRS crs)

Creates an Envelope in 2D space.

Parameters:

minx - minimum x corner coordinate

miny - minimum y corner coordinate

maxx - maximum x corner coordinate

maxy - maximum y corner coordinate

crs - coordinate reference system, may be null

Returns:

created Envelope

createEnvelope

public Envelope createEnvelope(List<Double> lowerCorner,
                               List<Double> upperCorner,
                               CRS crs)

Create an Envelope from a list of Doubles.

Parameters:

lowerCorner -

upperCorner -

crs - coordinate reference system, may be null

Returns:

the envelope

createMultiGeometry

public MultiGeometry<Geometry> createMultiGeometry(String id,
                                                   CRS crs,
                                                   List<Geometry> members)

Creates an untyped multi geometry from a list of Geometrys.

Parameters:

id - identifier, may be null

crs - coordinate reference system, may be null

members -

Returns:

created MultiGeometry

createMultiPoint

public MultiPoint createMultiPoint(String id,
                                   CRS crs,
                                   List<Point> members)

Creates a MultiPoint from a list of passed Points.

Parameters:

id - identifier, may be null

crs - coordinate reference system, may be null

members - points that constitute the collection

Returns:

created MultiPoint

createMultiLineString

public MultiLineString createMultiLineString(String id,
                                             CRS crs,
                                             List<LineString> members)

Creates a MultiCurve from a list of passed LineStrings.

Parameters:

id - identifier, may be null

crs - coordinate reference system, may be null

members - curves that constitute the collection

Returns:

created MultiLineString

createMultiPolygon

public MultiPolygon createMultiPolygon(String id,
                                       CRS crs,
                                       List<Polygon> members)

Creates a MultiPolygon from a list of passed Polygons.

Parameters:

id - identifier, may be null

crs - coordinate reference system, may be null

members - polygons that constitute the collection

Returns:

created MultiPolygon