Hi You might want to have a look at how geohash http://en.wikipedia.org/wiki/Geohash does things. I know it doesn't correspond with what you want but it might give you some ideas.
T On Mar 19, 7:37 pm, jeremy <[email protected]> wrote: > @tristan: there's nothing difficult about individual intersection > tests. the issue is that i can only perform inequality operations on a > single property. > > how do i match both the end and the beginning - is there someway to > encode them in the same property? > > On Mar 18, 3:31 pm, Tristan <[email protected]> wrote: > > > > > sounds like the 3D graphics guys solved this problem... if you post > > the solution perhaps i'll be able to suggest on how to do it in a > > datastore > > > On Mar 18, 4:16 am, Scott Ellis <[email protected]> wrote: > > > > are they dates? floating point values? values on a scale from 1 to 5? all > > > of > > > the above? > > > > On 18 March 2010 19:28, jeremy <[email protected]> wrote: > > > > > i have objects which store a 'start' and 'end' position. > > > > > given an arbitrary interval, i'd like to return all objects with which > > > > it intersects. > > > > > can anyone think of an approach to modeling this on datastore? > > > > > -- > > > > 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]<google-appengine%2Bunsubscrib > > > > [email protected]> > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/google-appengine?hl=en. -- 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.
