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Geo queries

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Geo queries

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Elasticsearch supports two types of geo data: geo_point fields which support lat/lon pairs, and geo_shape fields, which support points, lines, circles, polygons, multi-polygons etc.

The queries in this group are:

geo_shape query: Find document with geo-shapes which either intersect, are contained by, or do not intersect with the specified geo-shape.
geo_bounding_box query: Finds documents with geo-points that fall into the specified rectangle.
geo_distance query: Finds document with geo-points within the specified distance of a central point.
geo_distance_range query: Like the geo_point query, but the range starts at a specified distance from the central point.
geo_polygon query: Find documents with geo-points within the specified polygon.
geohash_cell query: Find geo-points whose geohash intersects with the geohash of the specified point.

GeoShape Query

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See Geo Shape Query

Note: the geo_shape type uses Spatial4J and JTS, both of which are optional dependencies. Consequently you must add Spatial4J and JTS to your classpath in order to use this type:

<dependency>
    <groupId>com.spatial4j</groupId>
    <artifactId>spatial4j</artifactId>
    <version>0.4.1</version>                        
</dependency>

<dependency>
    <groupId>com.vividsolutions</groupId>
    <artifactId>jts</artifactId>
    <version>1.13</version>                         
    <exclusions>
        <exclusion>
            <groupId>xerces</groupId>
            <artifactId>xercesImpl</artifactId>
        </exclusion>
    </exclusions>
</dependency>

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// Import ShapeRelation and ShapeBuilder
import org.elasticsearch.common.geo.ShapeRelation;
import org.elasticsearch.common.geo.builders.ShapeBuilder;

QueryBuilder qb = geoShapeQuery(
    "pin.location",                     
    ShapeBuilder.newMultiPoint()        
        .point(0, 0)
        .point(0, 10)
        .point(10, 10)
        .point(10, 0)
        .point(0, 0),
    ShapeRelation.WITHIN);

	field
	shape
	relation can be `ShapeRelation.WITHIN`, `ShapeRelation.INTERSECTS` or `ShapeRelation.DISJOINT`

// Using pre-indexed shapes
QueryBuilder qb = geoShapeQuery(
        "pin.location",             
        "DEU",                      
        "countries",                
        ShapeRelation.WITHIN)       
    .indexedShapeIndex("shapes")    
    .indexedShapePath("location");

	field
	The ID of the document that containing the pre-indexed shape.
	Index type where the pre-indexed shape is.
	relation
	Name of the index where the pre-indexed shape is. Defaults to shapes.
	The field specified as path containing the pre-indexed shape. Defaults to shape.

Geo Bounding Box Query

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See Geo Bounding Box Query

QueryBuilder qb = geoBoundingBoxQuery("pin.location") 
    .topLeft(40.73, -74.1)                            
    .bottomRight(40.717, -73.99);

	field
	bounding box top left point
	bounding box bottom right point

Geo Distance Query

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See Geo Distance Query

QueryBuilder qb = geoDistanceQuery("pin.location")  
    .point(40, -70)                                 
    .distance(200, DistanceUnit.KILOMETERS)         
    .optimizeBbox("memory")                         
    .geoDistance(GeoDistance.ARC);

	field
	center point
	distance from center point
	optimize bounding box: `memory`, `indexed` or `none`
	distance computation mode: `GeoDistance.SLOPPY_ARC` (default), `GeoDistance.ARC` (slightly more precise but significantly slower) or `GeoDistance.PLANE` (faster, but inaccurate on long distances and close to the poles)

Geo Distance Range Query

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See Geo Distance Range Query

QueryBuilder qb = geoDistanceRangeQuery("pin.location")         
    .point(40, -70)                                             
    .from("200km")                                              
    .to("400km")                                                
    .includeLower(true)                                         
    .includeUpper(false)                                        
    .optimizeBbox("memory")                                     
    .geoDistance(GeoDistance.ARC);

	field
	center point
	starting distance from center point
	ending distance from center point
	include lower value means that `from` is `gt` when `false` or `gte` when `true`
	include upper value means that `to` is `lt` when `false` or `lte` when `true`
	optimize bounding box: `memory`, `indexed` or `none`
	distance computation mode: `GeoDistance.SLOPPY_ARC` (default), `GeoDistance.ARC` (slightly more precise but significantly slower) or `GeoDistance.PLANE` (faster, but inaccurate on long distances and close to the poles)

Geo Polygon Query

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See Geo Polygon Query

QueryBuilder qb = geoPolygonQuery("pin.location")       
    .addPoint(40, -70)                                  
    .addPoint(30, -80)                                  
    .addPoint(20, -90);

	field
	add your polygon of points a document should fall within

Geohash Cell Query

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See Geohash Cell Query

QueryBuilder qb = geoHashCellQuery("pin.location",  
            new GeoPoint(13.4080, 52.5186))         
        .neighbors(true)                            
        .precision(3);

	field
	point. Can also be a hash like `u30`
	The `neighbors` option of the filter offers the possibility to filter cells next to the given cell.
	precision level

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