jdsl.geomobj.ref
Class GeomConstructor2DImpl

java.lang.Object
  |
  +--jdsl.geomobj.ref.GeomConstructor2DImpl

All Implemented Interfaces:

GeomConstructor2D

public class GeomConstructor2DImpl

extends java.lang.Object

implements GeomConstructor2D

Default implementation of the GeomConstructor2D interface.

Version:

$Id: GeomConstructor2DImpl.java,v 1.3 2000/04/05 21:39:32 mdh Exp $

Author:

Masi Oka (mao), Galina Shubina (gs), Luca Vismara (lv)

Constructor Summary

GeomConstructor2DImpl()

Method Summary

protected Point2D	computeSingleIntersection(IntPoint2D p1, IntPoint2D p2, IntPoint2D q1, IntPoint2D q2)
protected GeomObject2D	intersectionGeomObject(IntLine2D l1, IntLine2D l2)
protected GeomObject2D	intersectionGeomObject(IntLine2D l, IntRay2D r)
protected GeomObject2D	intersectionGeomObject(IntLine2D l, IntSegment2D s)
protected GeomObject2D	intersectionGeomObject(IntRay2D r1, IntRay2D r2)
protected GeomObject2D	intersectionGeomObject(IntRay2D r, IntSegment2D s)
protected GeomObject2D	intersectionGeomObject(IntSegment2D s1, IntSegment2D s2)
protected GeomObject2D	intersectionGeomObject(Line2D l1, Line2D l2)
protected GeomObject2D	intersectionGeomObject(Line2D l, Ray2D r)
protected GeomObject2D	intersectionGeomObject(Line2D l, Segment2D s)
GeomObject2D	intersectionGeomObject(LinearCurve2D lc1, LinearCurve2D lc2)
protected GeomObject2D	intersectionGeomObject(Ray2D r1, Ray2D r2)
protected GeomObject2D	intersectionGeomObject(Ray2D r, Segment2D s)
protected GeomObject2D	intersectionGeomObject(Segment2D s1, Segment2D s2)
protected Point2D	midPoint(IntPoint2D p1, IntPoint2D p2)
Point2D	midPoint(Point2D p1, Point2D p2)
Line2D	perpendicularLine(LinearCurve2D lc, Point2D p)
Ray2D	perpendicularRay(LinearCurve2D lc, Point2D source)

Methods inherited from class java.lang.Object

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

Constructor Detail

GeomConstructor2DImpl

public GeomConstructor2DImpl()

Method Detail

midPoint

public Point2D midPoint(Point2D p1,
                        Point2D p2)
                 throws InvalidPointException

Specified by:

midPoint in interface GeomConstructor2D

Following copied from interface: jdsl.geomobj.api.GeomConstructor2D

Parameters:

p1 - a point

p2 - a point

Returns:

the point equidistant from p1 and p2

Throws:

InvalidPointException - if either p1 or p2 is Point2D.INFINITE

intersectionGeomObject

public GeomObject2D intersectionGeomObject(LinearCurve2D lc1,
                                           LinearCurve2D lc2)
                                    throws InvalidLinearCurveException

Specified by:

intersectionGeomObject in interface GeomConstructor2D

Following copied from interface: jdsl.geomobj.api.GeomConstructor2D

Parameters:

lc1 - a linear curve

lc2 - a linear curve

Returns:

the intersection of lc1 and lc2, either a point or a linear curve or GeomObject2D.NONE

perpendicularLine

public Line2D perpendicularLine(LinearCurve2D lc,
                                Point2D p)
                         throws InvalidLinearCurveException,
                                InvalidPointException

Specified by:

perpendicularLine in interface GeomConstructor2D

Following copied from interface: jdsl.geomobj.api.GeomConstructor2D

Parameters:

lc - a linear curve

p - a point

Returns:

the line perpendicular to lc and passing through p

Throws:

InvalidPointException - if p is Point2D.INFINITE

perpendicularRay

public Ray2D perpendicularRay(LinearCurve2D lc,
                              Point2D source)
                       throws InvalidLinearCurveException,
                              InvalidPointException

Specified by:

perpendicularRay in interface GeomConstructor2D

Following copied from interface: jdsl.geomobj.api.GeomConstructor2D

Parameters:

lc - a linear curve

source - the source of the ray

Returns:

the ray perpendicular to lc and emanating from source

Throws:

InvalidPointException - if source is Point2D.INFINITE

midPoint

protected Point2D midPoint(IntPoint2D p1,
                           IntPoint2D p2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Line2D l1,
                                              Line2D l2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Line2D l,
                                              Ray2D r)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Line2D l,
                                              Segment2D s)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Ray2D r1,
                                              Ray2D r2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Ray2D r,
                                              Segment2D s)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(Segment2D s1,
                                              Segment2D s2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntLine2D l1,
                                              IntLine2D l2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntLine2D l,
                                              IntRay2D r)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntLine2D l,
                                              IntSegment2D s)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntRay2D r1,
                                              IntRay2D r2)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntRay2D r,
                                              IntSegment2D s)

intersectionGeomObject

protected GeomObject2D intersectionGeomObject(IntSegment2D s1,
                                              IntSegment2D s2)

computeSingleIntersection

protected Point2D computeSingleIntersection(IntPoint2D p1,
                                            IntPoint2D p2,
                                            IntPoint2D q1,
                                            IntPoint2D q2)