Martin wrote: "It's always nice for people to have a UI to use, though, so I'd still encourage one to be built in OJ."
I'm supposed to be working on that this week. :] If I get a GUI up and running for Proj4J I'll think about how I can get it integrated into OpenJUMP. SS On Wed, Feb 3, 2010 at 9:35 AM, Martin Davis <[email protected]> wrote: > Sounds like we're all in agreement. > > @SS - JEQL now has Proj4J exposed for use. So this provides a command > line tool that pretty much does what you're suggesting. > > It's always nice for people to have a UI to use, though, so I'd still > encourage one to be built in OJ. > > Stefan Steiniger wrote: >> yep I agree here. >> I would say OJ offers options for assigning projections and doing >> transformations on a functional basis - i.e. no on the fly stuff? At >> least this is the simple way to start with. >> Though, we may think then about new measure tools. >> >> Sunburned Surveyor wrote: >> >>> I found the way UDig handled projections to be a nightmare. Never >>> could get it to work right. Now I use FW Tools instead. I'd prefer to >>> see projections handled on a per-instance basis. Let the user keep >>> track of what projection each layer is in. That is likely something he >>> is doing anyways. >>> >>> This approach will keep the code much simpler. >>> >>> I think even a stand-alone reprojection tool in Java packaged with >>> OpenJUMP might even be the best way to go. >>> >>> Just my 2 cents. >>> >>> Landon >>> >>> On Wed, Feb 3, 2010 at 8:38 AM, Martin Davis <[email protected]> >>> wrote: >>> >>>> 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 >>>>> [email protected] >>>>> 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 >>>>> [email protected] >>>>> 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 >>>> [email protected] >>>> 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 >>> [email protected] >>> 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 >> [email protected] >> 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 > [email protected] > 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 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