Circle

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

Field Summary

Fields
Modifier and Type Field Description

private double lat
Center latitude

private double lon
Center longitude

private double radiusMeters
radius in meters

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(java.lang.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
`java.lang.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
  - lat
```
private final double lat
```
    Center latitude
  - lon
```
private final double lon
```
    Center longitude
  - radiusMeters
```
private final double radiusMeters
```
    radius in meters
- 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(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object