$geoNear

[alexmnyc]

Hi guys,

Does anyone know if $geoNear is implemented in the latest rogue branch? I'm looking for a way to return distance to the location as well as the location itself. Is there any other way to achieve this without $geoNear?

Thank you.

Alex

[Jason Liszka]

It's not implemented at the moment, but you can use the haversine formula to calculate the distance between two lat/long points: http://stackoverflow.com/questions/27928/how-do-i-calculate-distance-between-two-latitude-longitude-points

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[alexmnyc]

Thanks, Jason.

Do you know if $near returns result sorted by distance? In this case distance calculation can be done at runtime without a problem in my use case. I basically need to find the nearest points to LatLng and display distance from it in a paged query.

[Jason Liszka]

Yes:

The $near operator specifies a point for which a geospatial query returns the 100 closest documents. The query sorts the documents from nearest to farthest.

http://docs.mongodb.org/manual/reference/operator/near/

On Wed, Sep 4, 2013 at 10:42 AM, alexmnyc <a.mik...@gmail.com> wrote:

Thanks, Jason.

Do you know if $near returns result sorted by distance? In this case distance calculation can be done at runtime without a problem in my use case. I basically need to find the nearest points to LatLng and display distance from it in a paged query.

[alexmnyc]

Doing $near with limit(1) then should return the closest point. Great, thank you again.