Circle (Lucene 8.6.0 API)

java.lang.Object
- org.apache.lucene.geo.LatLonGeometry
- - org.apache.lucene.geo.Circle

```
public final class Circle
extends LatLonGeometry
```
Represents a circle on the earth's surface.
NOTES:
1. Latitude/longitude values must be in decimal degrees.
2. Radius must be in meters.
3. For more advanced GeoSpatial indexing and query operations see the spatial-extras module
WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields
Modifier and Type Field Description

static double MAX_RADIUS
Max radius allowed, half of the earth mean radius.

Constructor Summary

Constructors
Constructor	Description
`Circle(double lat, double lon, double radiusMeters)`	Creates a new circle from the supplied latitude/longitude center and a radius in meters..

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`double`	`getLat()`	Returns the center's latitude
`double`	`getLon()`	Returns the center's longitude
`double`	`getRadius()`	Returns the radius in meters
`int`	`hashCode()`
`protected Component2D`	`toComponent2D()`	get a `Component2D` from this geometry
`String`	`toString()`

Methods inherited from class org.apache.lucene.geo.LatLonGeometry
create

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - MAX_RADIUS
```
public static double MAX_RADIUS
```
    Max radius allowed, half of the earth mean radius.
- Constructor Detail
  - Circle
```
public Circle(double lat,
              double lon,
              double radiusMeters)
```
    Creates a new circle from the supplied latitude/longitude center and a radius in meters..
- Method Detail
  - getLat
```
public double getLat()
```
    Returns the center's latitude
  - getLon
```
public double getLon()
```
    Returns the center's longitude
  - getRadius
```
public double getRadius()
```
    Returns the radius in meters
  - toComponent2D
```
protected Component2D toComponent2D()
```
    Description copied from class: LatLonGeometry
    
    get a Component2D from this geometry
    
    Specified by:
    
    toComponent2D in class LatLonGeometry
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object