Module org.jhotdraw8.geom

Package org.jhotdraw8.geom.intersect

Class IntersectLineLine

java.lang.Object

org.jhotdraw8.geom.intersect.IntersectLineLine

public class IntersectLineLine
extends Object

Method Summary

Modifier and Type	Method	Description
static IntersectionResult	intersectLineLine(double a0x, double a0y, double a1x, double a1y, double b0x, double b0y, double b1x, double b1y)
static IntersectionResultEx	intersectLineLineEx(double a0x, double a0y, double a1x, double a1y, double b0x, double b0y, double b1x, double b1y)	Intersects line segment 'a' with line segment 'b'.
static IntersectionResultEx	intersectLineLineEx(double a0x, double a0y, double a1x, double a1y, double b0x, double b0y, double b1x, double b1y, double epsilon)	Intersects a line segment 'a' with line segment 'b'.
static IntersectionResultEx	intersectLineLineEx(Point2D a0, Point2D a1, Point2D b0, Point2D b1)	Computes the intersection of line segment 'a' with line segment 'b'.
static IntersectionResultEx	intersectLineLineEx(Point2D a0, Point2D a1, Point2D b0, Point2D b1, double epsilon)

Methods inherited from class java.lang.Object

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

Method Details

intersectLineLineEx

public static IntersectionResultEx intersectLineLineEx(double a0x,
 double a0y,
 double a1x,
 double a1y,
 double b0x,
 double b0y,
 double b1x,
 double b1y)

Intersects line segment 'a' with line segment 'b'.

Parameters:

a0x - start x coordinate of line 'a'

a0y - start y coordinate of line 'a'

a1x - end x coordinate of line 'a'

a1y - end y coordinate of line 'a'

b0x - start x coordinate of line 'b'

b0y - start y coordinate of line 'b'

b1x - end x coordinate of line 'b'

b1y - end y coordinate of line 'b'

Returns:

computed intersection with parameters of line 'a' at the intersection point

See Also:

• intersectLineLineEx(double, double, double, double, double, double, double, double, double)

intersectLineLineEx

public static IntersectionResultEx intersectLineLineEx(Point2D a0,
 Point2D a1,
 Point2D b0,
 Point2D b1)

Computes the intersection of line segment 'a' with line segment 'b'.

Parameters:

a0 - start of line segment 'a'

a1 - end of line segment 'a'

b0 - start of line segment 'b'

b1 - end of line segment 'b'

Returns:

computed intersection with parameters of line 'a' at the intersection point

See Also:

• intersectLineLineEx(double, double, double, double, double, double, double, double)

intersectLineLineEx

public static IntersectionResultEx intersectLineLineEx(Point2D a0,
 Point2D a1,
 Point2D b0,
 Point2D b1,
 double epsilon)

intersectLineLineEx

public static IntersectionResultEx intersectLineLineEx(double a0x,
 double a0y,
 double a1x,
 double a1y,
 double b0x,
 double b0y,
 double b1x,
 double b1y,
 double epsilon)

Intersects a line segment 'a' with line segment 'b'.

This method can produce the following IntersectionStatus codes:

IntersectionStatus.INTERSECTION

The line segments intersect at the IntersectionPointEx given in the result.

IntersectionStatus.NO_INTERSECTION

The line segments do not intersect, but lines of infinite length, will intersect at the IntersectionPointEx given in the result.

IntersectionStatus.NO_INTERSECTION_COINCIDENT

The lines segments do not intersect because they are coincident. Coincidence starts and ends at the two IntersectionPointExs given in the result.

IntersectionStatus.NO_INTERSECTION_PARALLEL

The lines segments do not intersect because they are parallel.

Parameters:

a0x - start x coordinate of line segment 'a'

a0y - start y coordinate of line segment 'a'

a1x - end x coordinate of line segment 'a'

a1y - end y coordinate of line segment 'a'

b0x - start x coordinate of line segment 'b'

b0y - start y coordinate of line segment 'b'

b1x - end x coordinate of line segment 'b'

b1y - end y coordinate of line segment 'b'

Returns:

computed intersection with parameters t of 'a' at the intersection point

intersectLineLine

public static IntersectionResult intersectLineLine(double a0x,
 double a0y,
 double a1x,
 double a1y,
 double b0x,
 double b0y,
 double b1x,
 double b1y)