I would like to work on a generic gremlin plugin approach, will let you and Marko know of progress through the git repository.Regards
> Date: Fri, 18 Mar 2011 21:10:01 +0100 > From: [email protected] > To: [email protected] > Subject: Re: [Neo4j] FW: Neo4j spatial > > Saikat, > the best way to do 2) and 3) depends on the frequency of things. For > heavy operations, server side Java or sending Gremlin scripts over > would probably be the best option. > > For relatively standard traversals, you could use the built-in REST > endpoints for the graph algos. > > Depending on the number of different queries you want to support, a > couple of "hard coded" Server Plugins executing either straight pipes > or "hard coded" Gremlin scripts might be an option, reducing the > complexity on the client. Otherwise, a generic Gremlin- payload script > Plugin could be a more ad-hoc way. > > Let Marko and me know if you are starting on a Gremlin plugin, so we > can support you as there is more demand for it anyway. Would love to > get at least some initial Scripting support into 1.3! > > /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 Fri, Mar 18, 2011 at 5:23 PM, Saikat Kanjilal <[email protected]> wrote: > > > > Sorry forwarding to the list, accidentally only sent to Peter. > > > > From: [email protected] > > To: [email protected] > > Subject: RE: [Neo4j] Neo4j spatial > > Date: Fri, 18 Mar 2011 08:54:51 -0700 > > > > > > > > > > > > > > > > > > Peter/Craig,Want to continue this thread, so I need to: > > 1) Load a lot of data initially about a nodes in paths inside a park2) I > > need to query this to calculate shortest paths, run complex traversals > > based on various properties of each node > > 3) I need to be able to update the graph (perform CRUD operations on the > > fly)4) I need to be periodically able to flush the contents of the graph > > and reload > > If I stay with my approach of using a background thread in java to perform > > operations 1,4 what are the tradeoffs between doing 2 and 3 in java versus > > using the REST server. I would presumably be using gremlin and pipes in > > both approaches. > > > > Any thoughts on this.Regards > >> Date: Thu, 17 Mar 2011 07:19:16 +0100 > >> Subject: Re: [Neo4j] Neo4j spatial > >> From: [email protected] > >> To: [email protected] > >> CC: [email protected] > >> > >> Saikat, > >> which approach to use - atomic REST calls or a server plugin to work > >> in the background - depends on the load of things. If you are > >> importing stuff in the beginning, I would not use REST. If you are > >> thinking about "normal" operations with moderate load, I think REST > >> will be fine. > >> > >> 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, Mar 17, 2011 at 1:11 AM, Saikat Kanjilal <[email protected]> > >> wrote: > >> > I've written a Quasi-mashup which loads points from google maps using a > >> > background thread in Spring to initially load points into neo4j, what > >> > I'm trying to evaluate with the goal of simplifying the architecture is > >> > the following: > >> > > >> > 1) Should I rejigger the tomcat service code to have a webservice call > >> > to add points which would be called through the steps you describe below > >> > from google or bing maps given that I already have service API calls > >> > that do traversals with pipes and shortest path calculations > >> > > >> > 2) Take the rexster and http approach to upload the points through some > >> > automated process from my maps and stick with the http approach when > >> > doing traversals through gremlin and shortest path calculations. > >> > > >> > > >> > Also I am trying to play with neo4j-spatial and trying to figure out how > >> > to leverage it moving forward > >> > > >> > That was a mouthful :) > >> > Sent from my iPhone > >> > > >> > On Mar 16, 2011, at 4:49 PM, Craig Taverner <[email protected]> wrote: > >> > > >> >> Hi Saikat, > >> >> > >> >> There are a few places you can look for code samples. One of the best > >> >> places > >> >> is the set of test cases included in neo4j spatial. You can find them at > >> >> https://github.com/neo4j/neo4j-spatial/tree/master/src/test/java/org/neo4j/gis/spatial. > >> >> In particular, since you are interested mostly in point data, take a > >> >> look at > >> >> TestSimplePointLayer.java<https://github.com/neo4j/neo4j-spatial/blob/master/src/test/java/org/neo4j/gis/spatial/TestSimplePointLayer.java>and > >> >> LayersTest.java<https://github.com/neo4j/neo4j-spatial/blob/master/src/test/java/org/neo4j/gis/spatial/LayersTest.java> > >> >> . > >> >> > >> >> What you will find in those classes is Java code for adding points to > >> >> the > >> >> database, similar, but more extensive than the code in the blog. > >> >> > >> >> Regarding your specific case, if you are working with a normal google > >> >> map or > >> >> bing map, and want to port the points into a local database, you would > >> >> need > >> >> to export them, and write a simple importer. If you have written a > >> >> mashup > >> >> between google or bing maps and your own neo4j-based web application, > >> >> you > >> >> should be able to use some client side coding to automate this, > >> >> accessing > >> >> the map, and posting the points directly into your own server (where of > >> >> course you would have some code adding the points to the database). Does > >> >> this answer your question? > >> >> > >> >> Regards, Craig > >> >> > >> >> On Thu, Mar 17, 2011 at 12:32 AM, Saikat Kanjilal > >> >> <[email protected]>wrote: > >> >> > >> >>> Hi Folks, > >> >>> I was reading through the docs on neo4j spatial and was wondering > >> >>> about a > >> >>> few things: > >> >>> > >> >>> 1) If I have a google or bing map and I manually plot some points can > >> >>> I use > >> >>> neo4j spatial to automate the loading of those points into my neo4j db? > >> >>> > >> >>> 2) Are there code samples for neo4j-spatial or implementations I can > >> >>> look > >> >>> at for a deeper look at the API's etc? > >> >>> > >> >>> Best Regards > >> >>> > >> >>> Sent from my iPhone > >> >>> _______________________________________________ > >> >>> Neo4j mailing list > >> >>> [email protected] > >> >>> https://lists.neo4j.org/mailman/listinfo/user > >> >>> > >> >> _______________________________________________ > >> >> Neo4j mailing list > >> >> [email protected] > >> >> https://lists.neo4j.org/mailman/listinfo/user > >> >> > >> > _______________________________________________ > >> > Neo4j mailing list > >> > [email protected] > >> > https://lists.neo4j.org/mailman/listinfo/user > >> > > > > > _______________________________________________ > > Neo4j mailing list > > [email protected] > > https://lists.neo4j.org/mailman/listinfo/user > > > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
