SDK
SDK Javascript v7.x
2

georadiusbymember #

Returns the members (added with geoadd) of a given key inside the provided geospatial radius, centered around one of a key's member.

[Redis documentation]

Arguments #

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georadiusbymember(key, geopoint, dist, unit, [options]);

Arguments Type Description
key
string
Key
geopoint
string
Name of the geopoint to use as the center
dist
number
Distance from the center
unit
string
Unit of the distance parameter value.
Allowed values: m, km, mi, ft
options
object
Optional query arguments

options #

The options arguments can contain the following option properties:

Property Type (default) Description
count
integer
Limit the number of returned geopoints to the provided value
queuable
boolean (true)
If true, queues the request during downtime, until connected to Kuzzle again
sort
string
Sort the result by distance, relative to the center.
Allowed values: ASC, DESC
withcoord
boolean (false)
Include the position of the matched geopoint in the result
withdist
boolean (false)
Include the calculated distance from the matched geopoint to center

Resolve #

Resolves to an array of matched geopoints.

Each returned geopoint is an object with the following properties:

Property Type Description
name
string
Geopoint identifier
coordinates
number[]
Geopoint coordinates in the following format: [lon, lat]. Only available if the option withcoord is set
distance
number
Distance from the center. Only available if the option withdist is set

Usage #

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const kuzzleHQ = {
  lon: 3.9109057,
  lat: 43.6073913,
  name: 'HQ'
};
const otherHQ = {
  lon: 3.897105,
  lat: 43.6002203,
  name: 'other HQ'
};
try {
  await kuzzle.ms.geoadd('geofoo', [kuzzleHQ, otherHQ]);
  // Prints: [ { name: 'other HQ' }, { name: 'HQ' } ]
  console.log(await kuzzle.ms.georadiusbymember(
    'geofoo',
    'HQ',
    1500,
    'm'
  ));
  // Prints:
  // [
  //   { name: 'other HQ', distance: 1367.8521 },
  //   { name: 'HQ', distance: 0 }
  // ]
  console.log(await kuzzle.ms.georadiusbymember(
    'geofoo',
    'HQ',
    1500,
    'm',
    {withdist: true, sort: 'desc'}
  ));
  // Prints:
  // [
  //   {
  //     name: 'HQ',
  //     distance: 0,
  //     coordinates: [ 3.910904824733734, 43.607392252329916 ]
  //   },
  //   {
  //     name: 'other HQ',
  //     distance: 1367.8521,
  //     coordinates: [ 3.8971075415611267, 43.600221526170145 ]
  //   }
  // ]
  console.log(await kuzzle.ms.georadiusbymember(
    'geofoo',
    'HQ',
    1500,
    'm',
    {withcoord: true, withdist: true, sort: 'asc'}
  ));
} catch (error) {
  console.error(error.message);
}