org.apache.lucene.geo3d

Class LinearSquaredDistance

java.lang.Object

org.apache.lucene.geo3d.LinearSquaredDistance

All Implemented Interfaces:

DistanceStyle

public class LinearSquaredDistance
extends Object
implements DistanceStyle

Linear squared distance computation style.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields

Modifier and Type	Field and Description
static LinearSquaredDistance	INSTANCE A convenient instance

Fields inherited from interface org.apache.lucene.geo3d.DistanceStyle

ARC, LINEAR, LINEAR_SQUARED, NORMAL, NORMAL_SQUARED

Constructor Summary

Constructors

Constructor and Description
LinearSquaredDistance() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
double	computeDistance(GeoPoint point1, double x2, double y2, double z2) Compute the distance from a point to another point.
double	computeDistance(GeoPoint point1, GeoPoint point2) Compute the distance from a point to another point.
double	computeDistance(PlanetModel planetModel, Plane plane, double x, double y, double z, Membership... bounds) Compute the distance from a plane to a point.
double	computeDistance(PlanetModel planetModel, Plane plane, GeoPoint point, Membership... bounds) Compute the distance from a plane to a point.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final LinearSquaredDistance INSTANCE

A convenient instance

Constructor Detail

LinearSquaredDistance

public LinearSquaredDistance()

Constructor.

Method Detail

computeDistance

public double computeDistance(GeoPoint point1,
                     GeoPoint point2)

Description copied from interface: DistanceStyle

Compute the distance from a point to another point.

Specified by:

computeDistance in interface DistanceStyle

Parameters:

point1 - Starting point

point2 - Final point

Returns:

the distance

computeDistance

public double computeDistance(GeoPoint point1,
                     double x2,
                     double y2,
                     double z2)

Description copied from interface: DistanceStyle

Compute the distance from a point to another point.

Specified by:

computeDistance in interface DistanceStyle

Parameters:

point1 - Starting point

x2 - Final point x

y2 - Final point y

z2 - Final point z

Returns:

the distance

computeDistance

public double computeDistance(PlanetModel planetModel,
                     Plane plane,
                     GeoPoint point,
                     Membership... bounds)

Description copied from interface: DistanceStyle

Compute the distance from a plane to a point.

Specified by:

computeDistance in interface DistanceStyle

Parameters:

planetModel - The planet model

plane - The plane

point - The point

bounds - are the plane bounds

Returns:

the distance

computeDistance

public double computeDistance(PlanetModel planetModel,
                     Plane plane,
                     double x,
                     double y,
                     double z,
                     Membership... bounds)

Description copied from interface: DistanceStyle

Compute the distance from a plane to a point.

Specified by:

computeDistance in interface DistanceStyle

Parameters:

planetModel - The planet model

plane - The plane

x - The point x

y - The point y

z - The point z

bounds - are the plane bounds

Returns:

the distance