Hi, I would guess it is Proj4. And the table structure looks the same than in PostGIS and transform queries behave in a similar way.
http://www.gaia-gis.it/spatialite/spatialite-tutorial-2.3.1.html#t5 -Jukka- -----Alkuperäinen viesti----- Lähettäjä: Martin Davis [mailto:mbda...@refractions.net] Lähetetty: ke 3.2.2010 18:38 Vastaanottaja: OpenJump develop and use Aihe: Re: [JPP-Devel] Proj4j - Martin steps ahead Jukka, Do you know what lib spatiallite uses for projections? Do you have a reference to the doc for it? It seems like it would be nice to have projections built right in to JUMP. Maybe Proj4J can meet this need, since it's fairly simple and lightweight. People will need to think about how coordinate systems are exposed in JUMP. Is it just a facility for one-time transformation, with all params supplied by the user? The next level would keep CRS information with each layer, and automatically reproject imported data. The ultimate (maybe?) level might be to keep data internally in its native CRS and reproject only for display and other purposes. I think this last might be more complex than its worth, however. I know uDig spend a loooong time getting this right, and it might still be problematic. By the way, something that's not currently in Proj4J is support for mapping to/from the huge variety of CRS specification formats which are out there. This is a large piece of work, and at this point I don't know when or how it might be accomplished. Rahkonen Jukka wrote: > Hi, > > Projection support would be nice to have sometimes. By the way, the two new > Spatialite plugins give now another alternatives. Spatialite databases which > have been created with Spatialite-GUI contains support for more than 3000 > projections by default. > > -Jukka- > > > Stefan Steiniger wrote: > > > So Guys - guess what: > > Martin revived Proj4j, i.e. Proj4 for Java > > http://lin-ear-th-inking.blogspot.com/2010/01/announcing-proj4j.html > > seems like we can start thinking about to seriously give OpenJUMP > projection support (for those that don't use PostGIS - like me) ;) > > thank you Martin! > > stefan > > ------------------------------------------------------------------------------ > The Planet: dedicated and managed hosting, cloud storage, colocation > Stay online with enterprise data centers and the best network in the business > Choose flexible plans and management services without long-term contracts > Personal 24x7 support from experience hosting pros just a phone call away. > http://p.sf.net/sfu/theplanet-com > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > ------------------------------------------------------------------------------ > The Planet: dedicated and managed hosting, cloud storage, colocation > Stay online with enterprise data centers and the best network in the business > Choose flexible plans and management services without long-term contracts > Personal 24x7 support from experience hosting pros just a phone call away. > http://p.sf.net/sfu/theplanet-com > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > -- Martin Davis Senior Technical Architect Refractions Research, Inc. (250) 383-3022 ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
