Axel, I am trying to get through to the GeoTools user list in order to get some example on reading in a FeatureColllection from GeoJSON, but the mailing list seems to refuse my posts despite registration - hope I can get some answers soon.
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 Wed, Oct 27, 2010 at 11:43 PM, Peter Neubauer <peter.neuba...@neotechnology.com> wrote: > Ahh, > found one, > https://svn.osgeo.org/geotools/trunk/modules/unsupported/geojson/src/test/java/org/geotools/geojson/FeatureJSONTest.java > that you can use with gt-geojson-2.7.M3 I think! > > Can look more into it, but I think it shows the basic usage ... > > Cheers, > > /peter neubauer > > VP Product Management, Neo Technology > > 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 Wed, Oct 27, 2010 at 11:36 PM, Axel Morgner <a...@morgner.de> wrote: >> All I found is this, but didn't tested any of them: >> >> http://jira.codehaus.org/browse/GEOT-1924 >> http://www.mapfish.org/svn/mapfish/contribs/java-geojson/trunk/src/main/java/org/mapfish/geo/ >> >> >> >> Am 27.10.2010 23:29, schrieb Peter Neubauer: >>> Alex, >>> I can't find any good code example to parse the GeoJSON with GeoTools, >>> asking on the lists. After that, it should be much the same as the >>> ShapefileImporter, >>> http://github.com/neo4j/neo4j-spatial/blob/master/src/main/java/org/neo4j/gis/spatial/ShapefileImporter.java >>> . Just need some advice. >>> >>> Craig, Davide - any skillz with that? >>> >>> Cheers, >>> >>> /peter neubauer >>> >>> VP Product Management, Neo Technology >>> >>> 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 Wed, Oct 27, 2010 at 9:39 PM, Axel Morgner<a...@morgner.de> wrote: >>>> Sure, I attached an archive with some countries. >>>> >>>> But ..attachments are filtered by the list, aren't they? >>>> >>>> Am 27.10.2010 21:27, schrieb Peter Neubauer: >>>>> Axel, >>>>> do you have a small sample of that data? It might be very useful to >>>>> write a small GeoJSON importer and corresponding test for importing >>>>> stuff into Neo4j Spatial, much like the Shapefile importer. I am >>>>> thinking of using something like >>>>> >>>>> https://svn.osgeo.org/geotools/trunk/modules/unsupported/geojson/src/test/java/org/geotools/geojson/GeometryJSONTest.java >>>>> if you have some sample data? >>>>> >>>>> Cheers, >>>>> >>>>> /peter neubauer >>>>> >>>>> VP Product Management, Neo Technology >>>>> >>>>> 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 Wed, Oct 27, 2010 at 8:59 PM, Axel Morgner<a...@morgner.de> wrote: >>>>>> Hi, >>>>>> >>>>>> a part of my current project is about rendering an abstract world map >>>>>> (countries filled with a color gradient). I'm using Polypmaps on a 10 MB >>>>>> geoJSON file with high-res vector data, containing 246 features defining >>>>>> all the world's countries as multi-polygons (about 1.5 million points >>>>>> overall). Now even when the map is zoomed in, the hole file is processed >>>>>> instead of a small set of countries. Polymaps renders SVG path elements >>>>>> for each request, and rendering the whole map is by far too slow (4-5 s >>>>>> even on a fast machine). >>>>>> >>>>>> My idea is to store all features in Neo4j and determine only a subset of >>>>>> individual countries to process for a given map section >>>>>> programmatically. There's already a neo4j instance containing all CMS >>>>>> data, so this approach seems natural to me. >>>>>> >>>>>> With Polymaps I can easily get the coordinates (lat,lon) of the box >>>>>> corners. Now I only have to get all points within that box and get their >>>>>> corresponding country to be loaded and rendered. >>>>>> >>>>>> Can Neo4j spatial support me here? F.e. is there a geoJSON importer? And >>>>>> I saw different search classes in org.neo4j.gis.spatial.query, could >>>>>> that help? Or is there a better approach at all? >>>>>> >>>>>> Thank you in advance >>>>>> >>>>>> Axel >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> 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 >>>> >>>> -- >>>> Axel Morgner >>>> Creative Solutions - Software Engineering >>>> GUI& UX Design - Project Management >>>> >>>> c/o inxire GmbH >>>> Hanauer Landstr. 293a >>>> 60314 Frankfurt >>>> Germany >>>> >>>> Phone +49 151 40522060 >>>> E-mail a...@morgner.de >>>> Web http://www.morgner.de >>>> >>>> >>>> _______________________________________________ >>>> 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 >> >> >> -- >> Axel Morgner >> Creative Solutions - Software Engineering >> GUI& UX Design - Project Management >> >> c/o inxire GmbH >> Hanauer Landstr. 293a >> 60314 Frankfurt >> Germany >> >> Phone +49 151 40522060 >> E-mail a...@morgner.de >> Web http://www.morgner.de >> >> _______________________________________________ >> 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
