Package org.locationtech.spatial4j.shape.impl

Class InfBufLine

java.lang.Object

org.locationtech.spatial4j.shape.impl.InfBufLine

public class InfBufLine
extends java.lang.Object

INERNAL: A buffered line of infinite length. Public for test access.

Field Summary

Fields

Modifier and Type	Field	Description
private double	buf
private double	distDenomInv
private static double	EPS	Error epsilon.
private double	intercept
private static int[]	oppositeQuad
private double	slope

Constructor Summary

Constructors

Constructor	Description
InfBufLine(double slope, Point point, double buf)

Method Summary

Modifier and Type	Method	Description
(package private) boolean	contains(Point p)
static void	cornerByQuadrant(Rectangle r, int cornerQuad, Point out)
double	distanceUnbuffered(Point c)	INTERNAL AKA lineToPointDistance
double	getBuf()
double	getDistDenomInv()	1 / Math.sqrt(slope * slope + 1)
double	getIntercept()
double	getSlope()
int	quadrant(Point c)	INTERNAL: AKA lineToPointQuadrant
(package private) SpatialRelation	relate(Rectangle r, Point prC, Point scratch)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

EPS

private static final double EPS

Error epsilon.

See Also:

Constant Field Values

slope

private final double slope

intercept

private final double intercept

buf

private final double buf

distDenomInv

private final double distDenomInv

oppositeQuad

private static final int[] oppositeQuad

Constructor Detail

InfBufLine

InfBufLine(double slope,
           Point point,
           double buf)

Method Detail

relate

SpatialRelation relate(Rectangle r,
                       Point prC,
                       Point scratch)

contains

boolean contains(Point p)

distanceUnbuffered

public double distanceUnbuffered(Point c)

INTERNAL AKA lineToPointDistance

quadrant

public int quadrant(Point c)

INTERNAL: AKA lineToPointQuadrant

cornerByQuadrant

public static void cornerByQuadrant(Rectangle r,
                                    int cornerQuad,
                                    Point out)

getSlope

public double getSlope()

getIntercept

public double getIntercept()

getBuf

public double getBuf()

getDistDenomInv

public double getDistDenomInv()

1 / Math.sqrt(slope * slope + 1)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object