try searching the archives for mutiny and/or geohash
On 14/05/2009, mscwd01 <[email protected]> wrote: > > I want to create a large database of GPS coordinates that can be > queried by saying "Return all coordinates that are within 'n' metres > of [this coordinate]". > > I need it to be as efficient as possible so looping through all the > coordinates in the datastore and calculating whether a coordinate is > within 'n' metres wouldn't be a desired solution. > > Is there a "spatial data" feature within the appengine datastore which > could help me with this or am I going to have trouble implementing > such a feature? > > Thanks > > > -- Barry - www.nearby.org.uk - www.geograph.org.uk - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
