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Query & Projection

Geospatial Query Operators

Geospatial operators return data based on geospatial expression conditions.

Note

For details on a specific operator, including syntax and examples, click on the link to the operator's reference page.

Operators

Query Selectors

Name	Description
`$geoIntersects`	Selects geometries that intersect with a GeoJSON geometry. The 2dsphere index supports `$geoIntersects`.
`$geoWithin`	Selects geometries within a bounding GeoJSON geometry. The 2dsphere and 2d indexes support `$geoWithin`.
`$near`	Returns geospatial objects in proximity to a point. Requires a geospatial index. The `2dsphere` and `2d` indexes support `$near`.
`$nearSphere`	Returns geospatial objects in proximity to a point on a sphere. Requires a geospatial index. The `2dsphere` and `2d` indexes support `$nearSphere`.

Geometry Specifiers

Name	Description
`$box`	Specifies a rectangular box using legacy coordinate pairs for `$geoWithin` queries. The 2d index supports `$box`.
`$center`	Specifies a circle using legacy coordinate pairs to `$geoWithin` queries when using planar geometry. The `2d` index supports `$center`.
`$centerSphere`	Specifies a circle using either legacy coordinate pairs or GeoJSON format for `$geoWithin` queries when using spherical geometry. The 2dsphere and 2d indexes support `$centerSphere`.
`$geometry`	Specifies a geometry in GeoJSON format to geospatial query operators.
`$maxDistance`	Specifies a maximum distance to limit the results of `$near` and `$nearSphere` queries. The `2dsphere` and `2d` indexes support `$maxDistance`.
`$minDistance`	Specifies a minimum distance to limit the results of `$near` and `$nearSphere` queries. For use with `2dsphere` index only.
`$polygon`	Specifies a polygon to using legacy coordinate pairs for `$geoWithin` queries. The `2d` index supports `$polygon`.

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