Package org.apache.druid.collections.spatial

Class RTreeUtils

java.lang.Object

org.apache.druid.collections.spatial.RTreeUtils

public class RTreeUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
RTreeUtils()

Method Summary

Modifier and Type	Method	Description
static double	calculateHaversineDistance(double lat1, double lon1, double lat2, double lon2)	Returns distance between two geo coordinates in meters according to https://en.wikipedia.org/wiki/Haversine_formula
static void	enclose(Node[] nodes)
static double	getEnclosingArea(Node a, Node b)
static double	getExpansionCost(Node node, Point point)

Methods inherited from class java.lang.Object

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

Constructor Detail

RTreeUtils

public RTreeUtils()

Method Detail

getEnclosingArea

public static double getEnclosingArea(Node a,
                                      Node b)

getExpansionCost

public static double getExpansionCost(Node node,
                                      Point point)

enclose

public static void enclose(Node[] nodes)

calculateHaversineDistance

public static double calculateHaversineDistance(double lat1,
                                                double lon1,
                                                double lat2,
                                                double lon2)

Returns distance between two geo coordinates in meters according to https://en.wikipedia.org/wiki/Haversine_formula