Hi, I have created a wrapper from GDMS datasource to featureCollection but it's just a converter. If someone is interested, I can explain how to use GDMS api.
See u. R1. 2007/8/20, Martin Davis <[EMAIL PROTECTED]>: > > Erwan, > > This sounds pretty nifty. This would tie in nicely to JUMP's DataStore > framework (which handles streaming data from a remote store and caching > it for viewing and manipulation purposes). It should be easy to develop > DataStore drivers for GDBMS data sources. > > Hopefully someone will get interested in this and take this on. > > Martin > > erwan bocher wrote: > > Dears, > > > > We are working on a new GDBMS version named GDMS (look at > > http://geosysin.iict.ch/irstv-trac/wiki/GDBMS/Project). This > > development is supported by IRSTV institute. We are 3 only on GDMS. > > Currently, GDMS is used by OrbisGIS a new GIS approach based on > > geotools (http://geosysin.iict.ch/irstv-trac/wiki/OrbisGIS/Videos). > > > > Few months ago, I proposed a plan to improve the memory limits in > > OpenJUMP using GDMS but without any sucess ;-). > > > > GDMS contains a SQL engine and the data is never load in memory. It > > will be a great improvement if OJ uses it. > > > > GDMS is very easy to use. Look the example below : > > > > > > //Open a shape file > > > > File src1 = new File( "../hedgerow.shp"); > > > > DataSourceFactory dsf = new DataSourceFactory(); > > > > > > DataSource ds = null ; // We use a datasource. Because it can be > > alphanumeric or spatial. > > SpatialDataSourceDecorator sds = null ; > > > > ds = dsf .getDataSource(src1); > > sds = new SpatialDataSourceDecorator(ds); // To obtain a spatial > > object > > > > > > //To query the data > > > > dsf.executeSQL("select Buffer(the_geom, 20) from "+ ds.getName) // It > > returns a new datasource > > > > Easy no ? > > > > Currently we have : > > > > - H2 spatial driver, > > - DBF, > > -CSV, > > - shapefile, > > - cir (3D format) > > > > > > Feel free if OJ community is interested. > > > > > > R1. > > > > > > 2007/8/19, Stefan Steiniger <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>>: > > > > Hei Peppe, > > > > i somehow try to follow the GDBMS development by Erwans Teams as it > > seems very useful together with H2 spatial to obtain > memory-idenpence > > from file sizes for OJ/JUMP. The problem is simply, that a) we do > not > > know how reliable t works currenly, b) that i am not familar with > > databases and c) we lack resources for an adaptation. > > > > but maybe... > > > > stefan > > > > Giuseppe Aruta schrieb: > > > Hi all, > > > does somebody explore the possibility to add GDBMS > > > (http://gdbms.sourceforge.net/) drivers to OJ? > > > GDBMS and related GDBMS gvSIG plugins add support for > > > many file formats: shapefiles, dgn, dwg (OpenDWG > > > spec.), etc > > > Some JAVA software like Orbiscad and GvSIG use these > > > drivers. > > > I am interested abouit DWG and I did some test: > > > Orbiscad reads DWG but it is very slow and has no > > > support for text and layer colours > > > GvSIG opens DWG quite well, it is fast and reads text > > > and colours. > > > > > > Regards > > > > > > Peppe > > > > > > > > > > > > ___________________________________ > > > L'email della prossima generazione? Puoi averla con la nuova > > Yahoo! Mail: http://it.docs.yahoo.com/nowyoucan.html > > > _______________________________________________ > > > jump-users mailing list > > > [email protected] > > <mailto:[email protected]> > > > http://lists.refractions.net/mailman/listinfo/jump-users > > > > > > > > _______________________________________________ > > jump-users mailing list > > [email protected] > > <mailto:[email protected]> > > http://lists.refractions.net/mailman/listinfo/jump-users > > <http://lists.refractions.net/mailman/listinfo/jump-users> > > > > > > > > > > -- > > Ingénieur de recherche > > Docteur en géographie, > > spécialité géomatique > > École Centrale de Nantes > > Institut de recherche en sciences et techniques de la ville > > http://www.irstv.cnrs.fr/ > > http://geosysin.iict.ch/irstv-trac/wiki > > http://r1.bocher.free.fr <http://r1.bocher.free.fr> > > http://www.projet-sigle.org > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > jump-users mailing list > > [email protected] > > http://lists.refractions.net/mailman/listinfo/jump-users > > > > -- > Martin Davis > Senior Technical Architect > Refractions Research, Inc. > (250) 383-3022 > > _______________________________________________ > jump-users mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/jump-users > -- Ingénieur de recherche Docteur en géographie, spécialité géomatique École Centrale de Nantes Institut de recherche en sciences et techniques de la ville http://www.irstv.cnrs.fr/ http://geosysin.iict.ch/irstv-trac/wiki http://r1.bocher.free.fr http://www.projet-sigle.org
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