It was a couple of years ago when I used openlayers gwt and geoserver to render heat maps of the uk - even geoserver, and the postgis for the data store ran fine on a laptop.
On 15 January 2011 20:29, Jacob Hansson <[email protected]> wrote: > Using a pre-made layout solution would indeed be optimal, no reason to > re-invent wheels. Apart from the layout, we'd get the rest for free from > neo4j spatial and surrounding technologies. > > This would be a separate visualization tool, with an ability to let clients > explore massive graphs via a browser that, afaik, is not currently > available. > > There is a reason to let, for instance, neo4j webadmin ship with a > visualization tool. Just as the table format is a natural way to show > relational database data in relational database management tools, a > visualized graph is a natural way to show neo4j data. The problem we've > wrestled with is that the web based graph visualization solutions available > have trouble rendering large graphs. > > I'm not sure this would be a good solution to that particular problem, but > it is a stab at solving the problem of showing huge, dynamically rendered > graphs on the web. > Den 15 jan 2011 20.38 skrev "Tim McNamara" <[email protected]>: >> On 16 January 2011 05:34, Peter Neubauer >> <[email protected]>wrote: >> >>> In this case, the graph layout could be computed server side by >>> something like graphviz or so, and then sliced into zoom level >>> information. Then interactivity can be added via open layers . >>> >>> However, of course the question is how long it takes to calculate the >>> layout for say 100.000 nodes. After that, the basic layout info is >>> more or less static. Still, very interesting to think of this kind of >>> mixed approach for big visualizations, switching to dynamic solutions >>> under a certain threshold, like 500 nodes or so. >>> >>> WDYT? >>> >>> /peter >> >> >> Is there any need for database software to provide visualisations? There > are >> graph visualisation packages that have Neo4j backends that provide this >> functionality amazingly well. If you have four minutes today, I strongly >> recommend watching a video on Gephi [1]. You'll be amazed by the >> beauty, speed and utility that can be achieved when built for purpose > tools >> are used. >> >> Tim McNamara >> @timClicks >> http://timmcnamara.co.nz >> >> [1] http://vimeo.com/14899695 >> _______________________________________________ >> 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
