Re: [Neo4j] The imdb example is broken

2011-01-15 Thread Michael Hunger
Alfredas,

thanks for pointing that out. What documentation are you referring to? The 
reference docs of spring-data-graph or the neo4j wiki?
Several people documented that independently and I still have to catch up 
updating all those places.

I assume you got the samples from github?

We want the samples to run against the milestone releases. In the build 
snapshot (HEAD) there have been several API changes and renamings that affect
you when you pull the snapshot.

The eclipse errors should be solved with the latest aspectj plugin:
You can update to the latest AJDT build by using this eclipse update site: 
http://download.eclipse.org/tools/ajdt/36/dev/update

These occur due to the introduction of methods and super-interfaces via aspectj.

So if you could bear with me until Monday, I'll fix the example so that it 
works again w/o problems.

You can still checkout the hello-world example from github. If you find some 
time to look at the reference docs, feedback there would be very appreciated as 
well.

Thanks

Michael

Am 15.01.2011 um 00:52 schrieb Alfredas Chmieliauskas:

 Dear all,
 
 I am one of the newbies trying to get into experimenting with neo4j.
 The first thing that i tried is the imdb example that is broken (even
 though there is a lot of great documentation around it!). First of all
 the artifactid of spring-datasource-neo4j has changed to
 spring-data-neo4j.
 
 dependency
  groupIdorg.springframework.data/groupId
  artifactIdspring-data-neo4j/artifactId
  version1.0.0.BUILD-SNAPSHOT/version
 /dependency
 
 Also eclipse gives me an error that the classes Actor and Movie do not
 implement the NodeBacked interface. Even though building via maven
 seems to work fine.
 
 Still after building, spring gives a bean initialization error
 relating to initialization of the graphdb. I cannot get the stack
 trace from where i am right now, but if you'd try to check out the
 current imdb example and run it - you would be able to reproduce it.
 
 Any help would be appreciated as I ready want to get my hands dirty
 with the annotation-driven neo4j use. Also I think the imdb example
 does a great job at explaining the benefits of neo4j and it would be
 useful to have it working to showcase the features to all the newbies
 like me.
 
 Also if anyone could point me to a working annotation based example -
 that would be great.
 
 Thanks a lot for great work,
 
 Alfredas
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Re: [Neo4j] The imdb example is broken

2011-01-15 Thread Michael Hunger
Alfredas,

I just checked the imdb example from github and after changing the dependency 
to 1.0.0.M1 it worked without problems.

Michael

Am 15.01.2011 um 00:52 schrieb Alfredas Chmieliauskas:

 Dear all,
 
 I am one of the newbies trying to get into experimenting with neo4j.
 The first thing that i tried is the imdb example that is broken (even
 though there is a lot of great documentation around it!). First of all
 the artifactid of spring-datasource-neo4j has changed to
 spring-data-neo4j.
 
 dependency
  groupIdorg.springframework.data/groupId
  artifactIdspring-data-neo4j/artifactId
  version1.0.0.BUILD-SNAPSHOT/version
 /dependency
 
 Also eclipse gives me an error that the classes Actor and Movie do not
 implement the NodeBacked interface. Even though building via maven
 seems to work fine.
 
 Still after building, spring gives a bean initialization error
 relating to initialization of the graphdb. I cannot get the stack
 trace from where i am right now, but if you'd try to check out the
 current imdb example and run it - you would be able to reproduce it.
 
 Any help would be appreciated as I ready want to get my hands dirty
 with the annotation-driven neo4j use. Also I think the imdb example
 does a great job at explaining the benefits of neo4j and it would be
 useful to have it working to showcase the features to all the newbies
 like me.
 
 Also if anyone could point me to a working annotation based example -
 that would be great.
 
 Thanks a lot for great work,
 
 Alfredas
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Peter Neubauer
Jacob,
yes, spatial visualization based on OpenLayers and Neo4j Spatial would
be something, at least as one possible layout algo that you could plug
in. How are you thinking around arbitrary non-spatial info? Not sure
how good the layout performance of OpenLayers is.

I remember working with Google Maps JavaScript back some years ago,
and we had the same problems, over a couple of hundred markers we
needed to start aggregating things on the server side due to the
slowness of client side rendering. I think it is a good widget to pull
in (think of it as a special layout) and keep that in mind!

Cheers,

/peter neubauer

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On Sat, Jan 15, 2011 at 9:50 AM, Jacob Hansson ja...@voltvoodoo.com wrote:
 Another idea for visualizing massive graphs on the web would be to use the
 neo4j spatial project. Coupling it with some layout algorithm, perhaps we
 could pre-render huge graphs, and use the open layers stuff to allow users
 to explore them..

 Den 15 jan 2011 08.57 skrev Peter Neubauer
 peter.neuba...@neotechnology.com:
 Yes,
 this in combination with server side filtering could be good.

 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

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 http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 7:30 AM, Jacob Hansson ja...@voltvoodoo.com
 wrote:
 Saw that, seems really cool. I think they use webworkers when available,
 so
 this might be able to do bigger graphs in webworker-enabled browsers..
 def
 worth some attention!

 Den 14 jan 2011 13.48 skrev Emil Eifrem e...@neotechnology.com:
 Mebbe something:

 http://arborjs.org/

 --
 Emil Eifrém, CEO [e...@neotechnology.com]
 Neo Technology, www.neotechnology.com
 Cell: +46 733 462 271 | US: 206 403 8808
 http://blogs.neotechnology.com/emil
 http://twitter.com/emileifrem


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Re: [Neo4j] unmanaged extensions

2011-01-15 Thread Peter Neubauer
Dave,
the docs are now updated and deployed, see
http://components.neo4j.org/neo4j-examples/snapshot/server-unmanaged-extensions.html
and http://docs.neo4j.org/chunked/snapshot/server-unmanaged-extensions.html

Let us know if this works, happy hacking!

Cheers,

/peter neubauer

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Skype       peter.neubauer
Phone       +46 704 106975
LinkedIn   http://www.linkedin.com/in/neubauer
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http://www.neo4j.org               - Your high performance graph database.
http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



On Fri, Jan 14, 2011 at 8:07 PM, Dave Astels dast...@drw.com wrote:
 Is there any example code out there?

 Dave


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Re: [Neo4j] Buidlbox site deploy breaking?

2011-01-15 Thread Anders Nawroth
Hi!

Looks like one of the Hudson bugs that hit the buildbox randomly. I 
started a new build, and it was fine this time.

For some reason archiving of sites is prone to trigger different bugs in 
Hudson. (I don't remember seeing this specific one previously.)


/anders

2011-01-15 08:28, Peter Neubauer skrev:
 Hi there,
 the latest neo4j example build (I want to document unmanaged extension
 better) is not deploying on Hudson, see
 http://buildbox.neo4j.org/hudson/job/neo4j-examples/268/console . Any
 reason why? Build seems good...

 Cheers,

 /peter neubauer

 GTalk:  neubauer.peter
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Jacob Hansson
Sorry Peter, misread you. What I was thinking was to render non-spatial
graphs with neo4j spatial. A layout algorithm would calculate the
coordinates of each node we want to visualize. That way we can view really
big graphs in the browser, since the layout-work is already done by the
server.
Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could pre-render
 millions of nodes on the server, and serve it as a spatial layer as if it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a map.
 Then you would add interactivity on top of the rendered image like google
 does with google maps. It would be difficult to allow moving nodes and so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
members
 dataset, enabling cheap and super-easy access to the entire visualized
graph
 in any browser.. :)
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Craig Taverner
Intriguing option. So you assign virtual locations based on the layouting
algorithm, and then use neo4j-spatial's 'export to PNG' capabilities, which
also makes use of SLD for styling (geoserver-like styling, using geotools
inside, of course). This is certainly not an option I had every considered,
but I can no reason it would not work.

Could you tell us more about the domain? We could certainly give suggestions
on approaches on how to pick a coordinate system, and how to style the
results in the rendered image. I am currently using the amanzi-sld Ruby gem
for styling layers (just a wrapper DLS on top of SLD XML making it easier).
I have only tested this with real geographic data (streets, rivers, lakes,
parks, etc.) It would be cool to see it in use on something outside that
domain.

On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com wrote:

 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view
 really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
  Yeah, you couldn't do very much with the markers. But you could
 pre-render
  millions of nodes on the server, and serve it as a spatial layer as if it
  was a map.
 
  Geoserver would slice it up, allowing zooming and panning just like a
 map.
  Then you would add interactivity on top of the rendered image like google
  does with google maps. It would be difficult to allow moving nodes and so
  on, but clicking on them and adding relations etc would not be that
  difficult..
 
  Especially cool if coupled with the styling available with the current
 geo
  stack.
 
  Imagine for instance visualizing the corporation ownership and board
 members
  dataset, enabling cheap and super-easy access to the entire visualized
 graph
  in any browser.. :)
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[Neo4j] HTML5 graph viz library

2011-01-15 Thread Peter Neubauer
Mhh,
interesting! I wonder if there is any support for using e.g. GeoTools
to render arbitrary layouts apart from spatial. Would be worth to
investigate. The nice thing is that these algos support, as you
mention, zomming into a static structure, and espose more and more
detail on every layer.

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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could pre-render
 millions of nodes on the server, and serve it as a spatial layer as if it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a map.
 Then you would add interactivity on top of the rendered image like google
 does with google maps. It would be difficult to allow moving nodes and so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
 ___
 Neo4j mailing list
 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Mark
Yep. I slippy graph like google maps - with details an different zoom levels!

Awesome!

On 15 January 2011 15:58, Peter Neubauer
peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could pre-render
 millions of nodes on the server, and serve it as a spatial layer as if it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a map.
 Then you would add interactivity on top of the rendered image like google
 does with google maps. It would be difficult to allow moving nodes and so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
 ___
 Neo4j mailing list
 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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 User@lists.neo4j.org
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Peter Neubauer
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


On Saturday, January 15, 2011, Mark javam...@gmail.com wrote:
 Yep. I slippy graph like google maps - with details an different zoom levels!

 Awesome!

 On 15 January 2011 15:58, Peter Neubauer
 peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could pre-render
 millions of nodes on the server, and serve it as a spatial layer as if it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a map.
 Then you would add interactivity on top of the rendered image like google
 does with google maps. It would be difficult to allow moving nodes and so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
 ___
 Neo4j mailing list
 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

 ___
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 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Rick Bullotta
Tied in with my SVG question (which should be posted shortly), you can move
some of the UI rendering to the server as well, and with SVG you could
cleanly integrate data + UI elements in what is sent back to the browser.  I
think a mix of browser smarts to control client-side rendering (zoom levels,
layers, navigation, etc.) and server side rendering for the big picture
makes a ton of sense.

-Original Message-
From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On
Behalf Of Peter Neubauer
Sent: Saturday, January 15, 2011 11:35 AM
To: Neo4j user discussions
Subject: Re: [Neo4j] HTML5 graph viz library

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


On Saturday, January 15, 2011, Mark javam...@gmail.com wrote:
 Yep. I slippy graph like google maps - with details an different zoom
levels!

 Awesome!

 On 15 January 2011 15:58, Peter Neubauer
 peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com
wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view
really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could
pre-render
 millions of nodes on the server, and serve it as a spatial layer as if
it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a
map.
 Then you would add interactivity on top of the rendered image like
google
 does with google maps. It would be difficult to allow moving nodes and
so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current
geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
 ___
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 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Rick Bullotta
Out of curiosity, has anyone looked at re-doing the rendering engine of this
in SVG?  Now that SVG will be officially supported in IE9, its practicality
for web apps is much more substantial. Issues like hit testing/item
addressability/animation, conditional display based on zoom level, and other
characteristics of smart graphs such as these are generally MUCH easier to
do in SVG than by trying to write a ton of JavaScript code to render onto a
canvas.


-Original Message-
From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On
Behalf Of Mark
Sent: Saturday, January 15, 2011 11:04 AM
To: Neo4j user discussions
Subject: Re: [Neo4j] HTML5 graph viz library

Yep. I slippy graph like google maps - with details an different zoom
levels!

Awesome!

On 15 January 2011 15:58, Peter Neubauer
peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com
wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view
really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could
pre-render
 millions of nodes on the server, and serve it as a spatial layer as if
it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a
map.
 Then you would add interactivity on top of the rendered image like
google
 does with google maps. It would be difficult to allow moving nodes and
so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current
geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Jacob Hansson
Craig: the example domain i mentioned is a dataset of all Corporations in
Sweden, with ownerships and board members. I only ever used a subset, so i
don't know the primitives count of it, perhaps few million in total,
probably more a bit more.

Rick: The open layers project uses tiled png images, with content
pre-rendered on the server. Doing that makes it harder to check for mouse
actions on nodes like you say, but there is virtually no limit to how much
data we can show without regard for client hardware. I think they use svg
for rendering dynamic items on top if the png layer(s).
Den 15 jan 2011 17.44 skrev Rick Bullotta 
rick.bullo...@burningskysoftware.com:
 Out of curiosity, has anyone looked at re-doing the rendering engine of
this
 in SVG? Now that SVG will be officially supported in IE9, its practicality
 for web apps is much more substantial. Issues like hit testing/item
 addressability/animation, conditional display based on zoom level, and
other
 characteristics of smart graphs such as these are generally MUCH easier to
 do in SVG than by trying to write a ton of JavaScript code to render onto
a
 canvas.


 -Original Message-
 From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org]
On
 Behalf Of Mark
 Sent: Saturday, January 15, 2011 11:04 AM
 To: Neo4j user discussions
 Subject: Re: [Neo4j] HTML5 graph viz library

 Yep. I slippy graph like google maps - with details an different zoom
 levels!

 Awesome!

 On 15 January 2011 15:58, Peter Neubauer
 peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com
 wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view
 really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could
 pre-render
 millions of nodes on the server, and serve it as a spatial layer as if
 it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a
 map.
 Then you would add interactivity on top of the rendered image like
 google
 does with google maps. It would be difficult to allow moving nodes and
 so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current
 geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Peter Neubauer
Yeah,
I think a mix of the two approaches, as Rick says, handling the
selection of detail to stream via some zooming logic interactivity via
SVG/JavaScript on the client is a good approach.

The other is the selection of only a subset via a traversal and not
zoom level on the server. That would give a dynamic fine grained
control of the current view, OTOH doesn't deal with really large
graphs and aggregations on the server side. That should be Spatial
zoomings sweet spot.

Will be interesting to have that discussion next week Jake!

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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



On Sat, Jan 15, 2011 at 7:14 PM, Jacob Hansson ja...@voltvoodoo.com wrote:
 Craig: the example domain i mentioned is a dataset of all Corporations in
 Sweden, with ownerships and board members. I only ever used a subset, so i
 don't know the primitives count of it, perhaps few million in total,
 probably more a bit more.

 Rick: The open layers project uses tiled png images, with content
 pre-rendered on the server. Doing that makes it harder to check for mouse
 actions on nodes like you say, but there is virtually no limit to how much
 data we can show without regard for client hardware. I think they use svg
 for rendering dynamic items on top if the png layer(s).
 Den 15 jan 2011 17.44 skrev Rick Bullotta 
 rick.bullo...@burningskysoftware.com:
 Out of curiosity, has anyone looked at re-doing the rendering engine of
 this
 in SVG? Now that SVG will be officially supported in IE9, its practicality
 for web apps is much more substantial. Issues like hit testing/item
 addressability/animation, conditional display based on zoom level, and
 other
 characteristics of smart graphs such as these are generally MUCH easier to
 do in SVG than by trying to write a ton of JavaScript code to render onto
 a
 canvas.


 -Original Message-
 From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org]
 On
 Behalf Of Mark
 Sent: Saturday, January 15, 2011 11:04 AM
 To: Neo4j user discussions
 Subject: Re: [Neo4j] HTML5 graph viz library

 Yep. I slippy graph like google maps - with details an different zoom
 levels!

 Awesome!

 On 15 January 2011 15:58, Peter Neubauer
 peter.neuba...@neotechnology.com wrote:
 Mhh,
 interesting! I wonder if there is any support for using e.g. GeoTools
 to render arbitrary layouts apart from spatial. Would be worth to
 investigate. The nice thing is that these algos support, as you
 mention, zomming into a static structure, and espose more and more
 detail on every layer.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 2:34 PM, Jacob Hansson ja...@voltvoodoo.com
 wrote:
 Sorry Peter, misread you. What I was thinking was to render non-spatial
 graphs with neo4j spatial. A layout algorithm would calculate the
 coordinates of each node we want to visualize. That way we can view
 really
 big graphs in the browser, since the layout-work is already done by the
 server.
 Den 15 jan 2011 14.28 skrev Jacob Hansson ja...@voltvoodoo.com:
 Yeah, you couldn't do very much with the markers. But you could
 pre-render
 millions of nodes on the server, and serve it as a spatial layer as if
 it
 was a map.

 Geoserver would slice it up, allowing zooming and panning just like a
 map.
 Then you would add interactivity on top of the rendered image like
 google
 does with google maps. It would be difficult to allow moving nodes and
 so
 on, but clicking on them and adding relations etc would not be that
 difficult..

 Especially cool if coupled with the styling available with the current
 geo
 stack.

 Imagine for instance visualizing the corporation ownership and board
 members
 dataset, enabling cheap and super-easy access to the entire visualized
 graph
 in any browser.. :)
 ___
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 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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 https://lists.neo4j.org/mailman/listinfo/user

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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Tim McNamara

 On 15 January 2011 15:58, Peter Neubauer
 peter.neuba...@neotechnology.com wrote:
  Mhh,
  interesting! I wonder if there is any support for using e.g. GeoTools
  to render arbitrary layouts apart from spatial. Would be worth to
  investigate. The nice thing is that these algos support, as you
  mention, zomming into a static structure, and espose more and more
  detail on every layer.


On 16 January 2011 05:44, Rick Bullotta 
rick.bullo...@burningskysoftware.com wrote:

 Out of curiosity, has anyone looked at re-doing the rendering engine of
 this
 in SVG?


Rick,

SVG is effectively still outsourcing the render to the client. Well, it's
really a bit of a middle ground. The Cartesian positions of each of the
nodes needs to be calculated by the server. However, I think that even only
needing to parse and render the pre-calculated plots would still cripple
most browsers at several million nodes.

Tim McNamara
  @timClicks
  http://timmcnamara.co.nz
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Tim McNamara
On 16 January 2011 05:34, Peter Neubauer
peter.neuba...@neotechnology.comwrote:

 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
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Jacob Hansson
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 paperl...@timmcnamara.co.nz:
 On 16 January 2011 05:34, Peter Neubauer
 peter.neuba...@neotechnology.comwrote:

 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
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Mark
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 ja...@voltvoodoo.com 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 paperl...@timmcnamara.co.nz:
 On 16 January 2011 05:34, Peter Neubauer
 peter.neuba...@neotechnology.comwrote:

 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
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Re: [Neo4j] SVN repo access problem

2011-01-15 Thread Ivan Brusic
I am using using Google DNS (8.8.8.8) as my DNS server (from the east coast)
and I have no issues.

$ nslookup svn.neo4j.org
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: svn.neo4j.org
Address: 194.218.25.20

On Sat, Jan 15, 2011 at 2:59 PM, David Montag 
david.mon...@neotechnology.com wrote:

 Hi,

 For some reason I can't access svn.neo4j.org from California (i.e. not
 even
 ping). It works just fine from my Swedish server though. Anyone else
 experiencing anything similar, or is it just some freak outage?

 --
 David Montag
 Neo Technology, www.neotechnology.com
 Cell: 650.556.4411
 david.mon...@neotechnology.com
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Peter Neubauer
Tim,
yes, Gephi is very powerful, Martin, Mathieu and the Gephi team are
working on an integration right now (started as a Google summer of
Code project), https://code.launchpad.net/~gephi.team/gephi/neo4j-plugin

There are some remaining issues around how to lazily load the graph
and remember layout settings when moving lazily around the graph, but
I think Martin is on it as we speak.

For this discussion, we are looking for a good way to do limited but
sufficiently powerful web based vizualisation that can be used for
mostly introspection and validation of small portion the graph (e.g.
in the web admin), and still operate on production on production size
datasets.

Very interesting discussion everyone, keep it coming! There was some
mentioning of Processing.js as maybe an alternative to SVG, too ...

/peter

On Sat, Jan 15, 2011 at 8:38 PM, Tim McNamara
paperl...@timmcnamara.co.nz wrote:
 On 16 January 2011 05:34, Peter Neubauer
 peter.neuba...@neotechnology.comwrote:

 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
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Re: [Neo4j] SVN repo access problem

2011-01-15 Thread Peter Neubauer
Same here from Sweden. Seems to work.

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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



On Sat, Jan 15, 2011 at 9:46 PM, Ivan Brusic i...@brusic.com wrote:
 I am using using Google DNS (8.8.8.8) as my DNS server (from the east coast)
 and I have no issues.

 $ nslookup svn.neo4j.org
 Server: 8.8.8.8
 Address: 8.8.8.8#53

 Non-authoritative answer:
 Name: svn.neo4j.org
 Address: 194.218.25.20

 On Sat, Jan 15, 2011 at 2:59 PM, David Montag 
 david.mon...@neotechnology.com wrote:

 Hi,

 For some reason I can't access svn.neo4j.org from California (i.e. not
 even
 ping). It works just fine from my Swedish server though. Anyone else
 experiencing anything similar, or is it just some freak outage?

 --
 David Montag
 Neo Technology, www.neotechnology.com
 Cell: 650.556.4411
 david.mon...@neotechnology.com
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 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user

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Re: [Neo4j] SVN repo access problem

2011-01-15 Thread David Montag
Yeah, so DNS works fine. It's just accessing the server that's not working
for me:

--- svn.neo4j.org ping statistics ---
8 packets transmitted, 0 packets received, 100.0% packet loss

David

On Sat, Jan 15, 2011 at 1:15 PM, Peter Neubauer 
peter.neuba...@neotechnology.com wrote:

 Same here from Sweden. Seems to work.

 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.



 On Sat, Jan 15, 2011 at 9:46 PM, Ivan Brusic i...@brusic.com wrote:
  I am using using Google DNS (8.8.8.8) as my DNS server (from the east
 coast)
  and I have no issues.
 
  $ nslookup svn.neo4j.org
  Server: 8.8.8.8
  Address: 8.8.8.8#53
 
  Non-authoritative answer:
  Name: svn.neo4j.org
  Address: 194.218.25.20
 
  On Sat, Jan 15, 2011 at 2:59 PM, David Montag 
  david.mon...@neotechnology.com wrote:
 
  Hi,
 
  For some reason I can't access svn.neo4j.org from California (i.e. not
  even
  ping). It works just fine from my Swedish server though. Anyone else
  experiencing anything similar, or is it just some freak outage?
 
  --
  David Montag
  Neo Technology, www.neotechnology.com
  Cell: 650.556.4411
  david.mon...@neotechnology.com
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-- 
David Montag
Neo Technology, www.neotechnology.com
Cell: 650.556.4411
david.mon...@neotechnology.com
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Re: [Neo4j] HTML5 graph viz library

2011-01-15 Thread Tim McNamara
On 16 January 2011 10:08, Peter Neubauer neubauer.pe...@gmail.com wrote:

 For this discussion, we are looking for a good way to do limited but
 sufficiently powerful web based vizualisation that can be used for
 mostly introspection and validation of small portion the graph (e.g.
 in the web admin), and still operate on production on production size
 datasets.


arbor.js[1] is flavour of the month. It looks very good at handling small
sections. To visualise a particular node in the web UI, you could have a
max-depth recursive lookup occurring as nodes are inspected.

Are you able to expand on what you mean by still operate on production on
production size datasets? Does this mean that you want one tool that
handles both scenarios? That is, being able manipulate and inspect
individual nodes while being able to render the entire graph? I think a
geoserver is probably the best option.

Tim McNamara
  @timClicks
  http://timmcnamara.co.nz

[1] http://arborjs.org/
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[Neo4j] Searching for ways in imported OSM data

2011-01-15 Thread bryce hendrix
I'm pretty new to neo4j, so please excuse me if this is a FAQ.

I exported OSM data for a city from the OSM site, then imported it using the
OSMImporter. I can see the layer via the webserver, so I know if got
imported okay. Now I would like to find the way nearest to a coordinate via
the Java API, but I'm not really sure how to do that. I've tried using
SearchPointsWithinOrthodromicDistance, but the results of the query are
always empty. Can someone give me some tips, or provide a simple example?

Thanks in advance,
Bryce
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Re: [Neo4j] SVN repo access problem

2011-01-15 Thread Michael Hunger
try traceroute to see where the packets get lost

Sent from my iBrick4


Am 15.01.2011 um 22:26 schrieb David Montag david.mon...@neotechnology.com:

 Yeah, so DNS works fine. It's just accessing the server that's not working
 for me:
 
 --- svn.neo4j.org ping statistics ---
 8 packets transmitted, 0 packets received, 100.0% packet loss
 
 David
 
 On Sat, Jan 15, 2011 at 1:15 PM, Peter Neubauer 
 peter.neuba...@neotechnology.com wrote:
 
 Same here from Sweden. Seems to work.
 
 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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.
 
 
 
 On Sat, Jan 15, 2011 at 9:46 PM, Ivan Brusic i...@brusic.com wrote:
 I am using using Google DNS (8.8.8.8) as my DNS server (from the east
 coast)
 and I have no issues.
 
 $ nslookup svn.neo4j.org
 Server: 8.8.8.8
 Address: 8.8.8.8#53
 
 Non-authoritative answer:
 Name: svn.neo4j.org
 Address: 194.218.25.20
 
 On Sat, Jan 15, 2011 at 2:59 PM, David Montag 
 david.mon...@neotechnology.com wrote:
 
 Hi,
 
 For some reason I can't access svn.neo4j.org from California (i.e. not
 even
 ping). It works just fine from my Swedish server though. Anyone else
 experiencing anything similar, or is it just some freak outage?
 
 --
 David Montag
 Neo Technology, www.neotechnology.com
 Cell: 650.556.4411
 david.mon...@neotechnology.com
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 Neo4j mailing list
 User@lists.neo4j.org
 https://lists.neo4j.org/mailman/listinfo/user
 
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 -- 
 David Montag
 Neo Technology, www.neotechnology.com
 Cell: 650.556.4411
 david.mon...@neotechnology.com
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Re: [Neo4j] SVN repo access problem

2011-01-15 Thread David Montag
Already did, and they seem to get lost right before the Neo4j network. But
traceroutes can lie. Anyway, checked with other US people, they can access
it fine, so it's probably just my local network/computer at home that's
screwy somehow.

David

On Sat, Jan 15, 2011 at 3:15 PM, Michael Hunger 
michael.hun...@neotechnology.com wrote:

 try traceroute to see where the packets get lost

 Sent from my iBrick4


 Am 15.01.2011 um 22:26 schrieb David Montag 
 david.mon...@neotechnology.com:

  Yeah, so DNS works fine. It's just accessing the server that's not
 working
  for me:
 
  --- svn.neo4j.org ping statistics ---
  8 packets transmitted, 0 packets received, 100.0% packet loss
 
  David
 
  On Sat, Jan 15, 2011 at 1:15 PM, Peter Neubauer 
  peter.neuba...@neotechnology.com wrote:
 
  Same here from Sweden. Seems to work.
 
  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://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party.
 
 
 
  On Sat, Jan 15, 2011 at 9:46 PM, Ivan Brusic i...@brusic.com wrote:
  I am using using Google DNS (8.8.8.8) as my DNS server (from the east
  coast)
  and I have no issues.
 
  $ nslookup svn.neo4j.org
  Server: 8.8.8.8
  Address: 8.8.8.8#53
 
  Non-authoritative answer:
  Name: svn.neo4j.org
  Address: 194.218.25.20
 
  On Sat, Jan 15, 2011 at 2:59 PM, David Montag 
  david.mon...@neotechnology.com wrote:
 
  Hi,
 
  For some reason I can't access svn.neo4j.org from California (i.e.
 not
  even
  ping). It works just fine from my Swedish server though. Anyone else
  experiencing anything similar, or is it just some freak outage?
 
  --
  David Montag
  Neo Technology, www.neotechnology.com
  Cell: 650.556.4411
  david.mon...@neotechnology.com
  ___
  Neo4j mailing list
  User@lists.neo4j.org
  https://lists.neo4j.org/mailman/listinfo/user
 
  ___
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  User@lists.neo4j.org
  https://lists.neo4j.org/mailman/listinfo/user
 
  ___
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  https://lists.neo4j.org/mailman/listinfo/user
 
 
 
 
  --
  David Montag
  Neo Technology, www.neotechnology.com
  Cell: 650.556.4411
  david.mon...@neotechnology.com
  ___
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-- 
David Montag
Neo Technology, www.neotechnology.com
Cell: 650.556.4411
david.mon...@neotechnology.com
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