org.gvsig.fmap.geom.jts.util

Class JTSUtils

java.lang.Object

org.gvsig.fmap.geom.jts.util.JTSUtils

public class JTSUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Logger	logger

Constructor Summary

Constructors

Constructor and Description
JTSUtils()

Method Summary

Modifier and Type	Method and Description
static com.vividsolutions.jts.geom.Geometry	convertTypes(com.vividsolutions.jts.geom.Geometry g, int sourceType, int destinationType) This function is called when the we need force types, that is the destination type does not match with the input geometry type
static Geometry	createGeometry(com.vividsolutions.jts.geom.Geometry jtsGeom)
static LinearRing	createJTSLinearRing(CoordinateSequence coordinates)
static LineString	createJTSLineString(CoordinateSequence coordinates)
static LineString	createJTSLineStringFromArcPoints(Point centre, double radius, double startAngle, double endAngle)
static MultiLineString	createJTSMultiLineString(LineString[] lineStrings)
static MultiPoint	createJTSMultiPoint(CoordinateSequence coordinates)
static com.vividsolutions.jts.geom.MultiPolygon	createJTSMultiPolygon(com.vividsolutions.jts.geom.Polygon[] polygons)
static com.vividsolutions.jts.geom.Geometry	createJTSPoint(Coordinate coordinate)
static com.vividsolutions.jts.geom.Polygon	createJTSPolygon(ArrayListCoordinateSequence coordinates)
static com.vividsolutions.jts.geom.Polygon	createJTSPolygon(ArrayListCoordinateSequence coordinates, List<Ring> interiorRings)
static com.vividsolutions.jts.geom.Geometry	createJTSPolygon(Coordinate[] coordinates)
static MCoordinate	createMCoordinate(double x, double y, double m)
static MCoordinate	createMCoordinate(double x, double y, double z, double m)
static Point	createPoint(GeometryType type, Coordinate coordinate)
static BufferParameters	getBufferParameters()
static Coordinate	getCircumcentre(Point init, Point middle, Point end)
static com.vividsolutions.jts.geom.GeometryFactory	getFactory(Coordinate coordinate)
static com.vividsolutions.jts.geom.GeometryFactory	getFactory(Coordinate[] coordinates)
static com.vividsolutions.jts.geom.GeometryFactory	getFactory(CoordinateSequence coordinates)
static Coordinate	getMidPoint(Point init, Point end) Returns the middle point between two points.
static Coordinate	getPointAtYAxisInEllipse(Point init, Point end, Double ydist) Returns the intersection point between an ellipse and her minor axis.
static Geometry	offsetClosedLine(ArrayListCoordinateSequence coordinates, double distance) Creates a offset from a closed line at a distance
static Geometry	offsetRawOpenLine(ArrayListCoordinateSequence coordinates, double distance) Creates a raw offset of a open line at a distance.
static double	straightLineThroughTwoPointsEquation(double x1, double x2, double y1, double y2, double x)

Methods inherited from class java.lang.Object

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

Field Detail

logger

public static final Logger logger

Constructor Detail

JTSUtils

public JTSUtils()

Method Detail

createPoint

public static Point createPoint(GeometryType type,
                                Coordinate coordinate)
                         throws CreateGeometryException

Throws:

CreateGeometryException

getFactory

public static com.vividsolutions.jts.geom.GeometryFactory getFactory(CoordinateSequence coordinates)

getFactory

public static com.vividsolutions.jts.geom.GeometryFactory getFactory(Coordinate coordinate)

getFactory

public static com.vividsolutions.jts.geom.GeometryFactory getFactory(Coordinate[] coordinates)

createJTSLineString

public static LineString createJTSLineString(CoordinateSequence coordinates)

createJTSLinearRing

public static LinearRing createJTSLinearRing(CoordinateSequence coordinates)

createJTSMultiPoint

public static MultiPoint createJTSMultiPoint(CoordinateSequence coordinates)

createGeometry

public static Geometry createGeometry(com.vividsolutions.jts.geom.Geometry jtsGeom)

convertTypes

public static com.vividsolutions.jts.geom.Geometry convertTypes(com.vividsolutions.jts.geom.Geometry g,
                                                                int sourceType,
                                                                int destinationType)

This function is called when the we need force types, that is the destination type does not match with the input geometry type

Parameters:

g -

sourceType -

destinationType -

Returns:

createMCoordinate

public static MCoordinate createMCoordinate(double x,
                                            double y,
                                            double m)

createMCoordinate

public static MCoordinate createMCoordinate(double x,
                                            double y,
                                            double z,
                                            double m)

getCircumcentre

public static Coordinate getCircumcentre(Point init,
                                         Point middle,
                                         Point end)

Parameters:

init -

middle -

end -

Returns:

createJTSLineStringFromArcPoints

public static LineString createJTSLineStringFromArcPoints(Point centre,
                                                          double radius,
                                                          double startAngle,
                                                          double endAngle)

createJTSMultiLineString

public static MultiLineString createJTSMultiLineString(LineString[] lineStrings)

createJTSPolygon

public static com.vividsolutions.jts.geom.Polygon createJTSPolygon(ArrayListCoordinateSequence coordinates,
                                                                   List<Ring> interiorRings)

Parameters:

coordinates -

interiorRings -

Returns:

Throws:

GeometryException

createJTSPolygon

public static com.vividsolutions.jts.geom.Polygon createJTSPolygon(ArrayListCoordinateSequence coordinates)

Parameters:

coordinates -

Returns:

Throws:

GeometryException

createJTSMultiPolygon

public static com.vividsolutions.jts.geom.MultiPolygon createJTSMultiPolygon(com.vividsolutions.jts.geom.Polygon[] polygons)

getPointAtYAxisInEllipse

public static Coordinate getPointAtYAxisInEllipse(Point init,
                                                  Point end,
                                                  Double ydist)

Returns the intersection point between an ellipse and her minor axis.

Parameters:

init -

middle -

end -

Returns:

getMidPoint

public static Coordinate getMidPoint(Point init,
                                     Point end)

Returns the middle point between two points.

Parameters:

init -

middle -

end -

Returns:

createJTSPoint

public static com.vividsolutions.jts.geom.Geometry createJTSPoint(Coordinate coordinate)

Parameters:

coordinate -

Returns:

createJTSPolygon

public static com.vividsolutions.jts.geom.Geometry createJTSPolygon(Coordinate[] coordinates)

Parameters:

coord -

Returns:

getBufferParameters

public static BufferParameters getBufferParameters()

offsetClosedLine

public static Geometry offsetClosedLine(ArrayListCoordinateSequence coordinates,
                                        double distance)

Creates a offset from a closed line at a distance

Parameters:

distance -

Returns:

offsetRawOpenLine

public static Geometry offsetRawOpenLine(ArrayListCoordinateSequence coordinates,
                                         double distance)

Creates a raw offset of a open line at a distance.

Parameters:

coordinates -

distance -

Returns:

straightLineThroughTwoPointsEquation

public static double straightLineThroughTwoPointsEquation(double x1,
                                                          double x2,
                                                          double y1,
                                                          double y2,
                                                          double x)