org.gvsig.vectorediting.lib.prov.split.operation

Class SplitOperationUtils

java.lang.Object

org.gvsig.vectorediting.lib.prov.split.operation.SplitOperationUtils

public class SplitOperationUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static Point	createPoint(double x, double y, int subtype)
static double	getAngle(Point start, Point end)
static Point	getCenterOfCurve(Point p1, Point p2, Point p3)
static Point	getCenterOfCurve(Point p1, Point p2, Point p3, Point p4)
static Point	getIntersection(Point[] lineA, Point[] lineB, int subtype)
static java.lang.Double[]	getLineParams(Point point, Point nextPoint)
static Point	getMidPoint(Point a, Point b, int subtype)
static SplitOperation	getOperation(Primitive geom)
static Point[]	getPerpendicular(java.lang.Double m, java.lang.Double b, Point perp, int subtype)
static boolean	intersects(Curve curve, Point projectedPoint) Method use to know what segment intersect with projected point.Due to accuracy of doubles it is necessary to create a buffer of line to know if it intersects.
static void	register(SplitOperation operation, int geometryType)

Methods inherited from class java.lang.Object

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

Method Detail

register

public static void register(SplitOperation operation,
                            int geometryType)

getOperation

public static SplitOperation getOperation(Primitive geom)

getMidPoint

public static Point getMidPoint(Point a,
                                Point b,
                                int subtype)
                         throws CreateGeometryException

Throws:

CreateGeometryException

createPoint

public static Point createPoint(double x,
                                double y,
                                int subtype)
                         throws CreateGeometryException

Throws:

CreateGeometryException

getPerpendicular

public static Point[] getPerpendicular(java.lang.Double m,
                                       java.lang.Double b,
                                       Point perp,
                                       int subtype)
                                throws CreateGeometryException

Throws:

CreateGeometryException

getLineParams

public static java.lang.Double[] getLineParams(Point point,
                                               Point nextPoint)

getIntersection

public static Point getIntersection(Point[] lineA,
                                    Point[] lineB,
                                    int subtype)
                             throws CreateGeometryException

Throws:

CreateGeometryException

getAngle

public static double getAngle(Point start,
                              Point end)
                       throws GeometryOperationNotSupportedException,
                              GeometryOperationException

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

getCenterOfCurve

public static Point getCenterOfCurve(Point p1,
                                     Point p2,
                                     Point p3,
                                     Point p4)
                              throws CreateGeometryException

Throws:

CreateGeometryException

getCenterOfCurve

public static Point getCenterOfCurve(Point p1,
                                     Point p2,
                                     Point p3)
                              throws CreateGeometryException

Throws:

CreateGeometryException

intersects

public static boolean intersects(Curve curve,
                                 Point projectedPoint)
                          throws GeometryOperationNotSupportedException,
                                 GeometryOperationException

Method use to know what segment intersect with projected point.Due to accuracy of doubles it is necessary to create a buffer of line to know if it intersects.

Parameters:

curve - segment of line

projectedPoint - of line

Returns:

true if segment intersects with projected point, else false.

Throws:

GeometryOperationNotSupportedException

GeometryOperationException