Daniel, having an alternative index implementation would be great! We have pulled out the RTree from Spatial into https://github.com/neo4j/graph-collections which you can fork and add your index, possibly even testing it against a spatial fork.
WDYT? Cheers, /peter neubauer GTalk: neubauer.peter Skype peter.neubauer Phone +46 704 106975 LinkedIn http://www.linkedin.com/in/neubauer Twitter http://twitter.com/peterneubauer http://www.neo4j.org - Your high performance graph database. http://startupbootcamp.org/ - Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Thu, Oct 13, 2011 at 10:10 PM, danielb <danielbercht...@gmail.com> wrote: > Hello there, > > first I have written a wall of text, previewed it and then the forum went > grey and all of the text has gone - ARRRRRRRRRRRRR! > > In short: I have read some papers about different spatial indices in the > last days. The standard R-tree can be improved in various ways or even > replaced by a quad-tree. In one of the upcoming PostgreSQL versions they > will probably have a quad-tree based SP-GiST implementation. Early > proto-typing shows a speedboost of a factor of 6 in several bounding box > queries. In Neo4j there are less spatial operations based on an index > compared to a relational database and therefore it should be easier to find > an appropriate index (which hopefully will speed up some spatial > operations). In the course of my master thesis (which starts next week - > wish me luck and success) I could have a look into this. > > So before everything is gone again - DOOOOOOOOOOOH - I finish this now... > > Regards, Daniel > > -- > View this message in context: > http://neo4j-community-discussions.438527.n3.nabble.com/Neo4j-in-GIS-Applications-tp3393925p3419657.html > Sent from the Neo4j Community Discussions mailing list archive at Nabble.com. > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
