org.deegree.model.spatialschema
Class LinearIntersects

java.lang.Object
  org.deegree.model.spatialschema.LinearIntersects

public class LinearIntersects
extends Object

Version:

$Revision: 19906 $

Author:

Andreas Poth

Constructor Summary

LinearIntersects()

Method Summary

static double	getTolerance(Geometry geom1, Geometry geom2)
static boolean	intersects(Curve curve1, Curve curve2) the operation returns true if the two submitted curves intersects
static boolean	intersects(CurveSegment curve1, CurveSegment curve2) the operation returns true if the two submitted curves segments intersects
static boolean	intersects(CurveSegment curve, SurfacePatch surface, double tolerance) the operation returns true if the passed curve segment intersects the submitted surface patch
static boolean	intersects(Curve curve, Surface surface) the operation returns true if the submitted curve intersects the submitted surface
static boolean	intersects(Point point, Curve curve) the operations returns true if the submitted point intersects the submitted curve
static boolean	intersects(Point point1, Point point2) the operations returns true if two the submitted points intersects
static boolean	intersects(Point point, Surface surface) the operation returns true if the submitted point intersects the submitted surface
static boolean	intersects(Position point, CurveSegment curve, double tolerance) the operations returns true if the submitted point intersects the passed curve segment
static boolean	intersects(Position point1, Position point2, double tolerance) the operations returns true if two the submitted points intersects
static boolean	intersects(Position point, SurfacePatch surface, double tolerance) the operation returns true if the submitted point intersects the submitted surface patch
static boolean	intersects(SurfacePatch surface1, SurfacePatch surface2, double tolerance) the operation returns true if the two passed surface patches intersects
static boolean	intersects(Surface surface1, Surface surface2) the operation returns true if the two passed surfaces intersects
protected static boolean	linesIntersect(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) Tests if the line segment from (x1, y1) to (x2, y2) intersects the line segment from (x3, y3) to (x4, y4).
protected static int	relativeCCW(double X1, double Y1, double X2, double Y2, double PX, double PY)

Methods inherited from class java.lang.Object

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

Constructor Detail

LinearIntersects

public LinearIntersects()

Method Detail

getTolerance

public static double getTolerance(Geometry geom1,
                                  Geometry geom2)

Parameters:

geom1 -

geom2 -

Returns:

maximum tolerance of geom1 and geom2

intersects

public static boolean intersects(Position point1,
                                 Position point2,
                                 double tolerance)

the operations returns true if two the submitted points intersects

Parameters:

point1 -

point2 -

tolerance -

Returns:

true if two the submitted points intersects

intersects

public static boolean intersects(Position point,
                                 CurveSegment curve,
                                 double tolerance)

the operations returns true if the submitted point intersects the passed curve segment

Parameters:

point -

curve -

tolerance -

Returns:

true if the submitted point intersects the passed curve segment

intersects

public static boolean intersects(Position point,
                                 SurfacePatch surface,
                                 double tolerance)

the operation returns true if the submitted point intersects the submitted surface patch

Parameters:

point -

surface -

tolerance -

Returns:

true if the submitted point intersects the submitted surface patch

intersects

public static boolean intersects(CurveSegment curve1,
                                 CurveSegment curve2)

the operation returns true if the two submitted curves segments intersects

Parameters:

curve1 -

curve2 -

Returns:

returns true if the two submitted curves segments intersects

intersects

public static boolean intersects(CurveSegment curve,
                                 SurfacePatch surface,
                                 double tolerance)
                          throws GeometryException

the operation returns true if the passed curve segment intersects the submitted surface patch

Parameters:

curve -

surface -

tolerance -

Returns:

true if the submitted curve segment intersects the passed surface patch

Throws:

GeometryException

intersects

public static boolean intersects(SurfacePatch surface1,
                                 SurfacePatch surface2,
                                 double tolerance)
                          throws GeometryException

the operation returns true if the two passed surface patches intersects

Parameters:

surface1 -

surface2 -

tolerance - ignored by the current implementation

Returns:

true if the two passed surface patches intersects

Throws:

GeometryException - if the line strings could not be created.

intersects

public static boolean intersects(Point point1,
                                 Point point2)

the operations returns true if two the submitted points intersects

Parameters:

point1 -

point2 -

Returns:

true if two the submitted points intersects

intersects

public static boolean intersects(Point point,
                                 Curve curve)
                          throws GeometryException

the operations returns true if the submitted point intersects the submitted curve

Parameters:

point -

curve -

Returns:

true if the submitted point intersects the submitted curve

Throws:

GeometryException

intersects

public static boolean intersects(Point point,
                                 Surface surface)
                          throws GeometryException

the operation returns true if the submitted point intersects the submitted surface

Parameters:

point -

surface -

Returns:

true if the submitted point intersects the submitted surface

Throws:

GeometryException

intersects

public static boolean intersects(Curve curve1,
                                 Curve curve2)
                          throws GeometryException

the operation returns true if the two submitted curves intersects

Parameters:

curve1 -

curve2 -

Returns:

true if the two submitted curves intersects

Throws:

GeometryException

intersects

public static boolean intersects(Curve curve,
                                 Surface surface)
                          throws GeometryException

the operation returns true if the submitted curve intersects the submitted surface

Parameters:

curve -

surface -

Returns:

true if the submitted curve intersects the submitted surface

Throws:

GeometryException

intersects

public static boolean intersects(Surface surface1,
                                 Surface surface2)
                          throws GeometryException

the operation returns true if the two passed surfaces intersects

Parameters:

surface1 -

surface2 -

Returns:

true if the two passed surfaces intersects

Throws:

GeometryException

relativeCCW

protected static int relativeCCW(double X1,
                                 double Y1,
                                 double X2,
                                 double Y2,
                                 double PX,
                                 double PY)

Parameters:

X1 -

Y1 -

X2 -

Y2 -

PX -

PY -

Returns:

-1 if the points are counter clock wise, 0 if the points have a direction and 1 if they are clockwise.

linesIntersect

protected static boolean linesIntersect(double x1,
                                        double y1,
                                        double x2,
                                        double y2,
                                        double x3,
                                        double y3,
                                        double x4,
                                        double y4)

Tests if the line segment from (x1, y1) to (x2, y2) intersects the line segment from (x3, y3) to (x4, y4).

Parameters:

x1 -

y1 -

x2 -

y2 -

x3 -

y3 -

x4 -

y4 -

Returns:

true if the first specified line segment and the second specified line segment intersect each other; false otherwise.