Yes, that's exactly it. JEQL will provide an enhanced spatial SQL which can be used on JUMP layers.
Now I just have get busy and write the UI component... ! Michaël Michaud wrote: > Martin Davis a écrit : > >> Not sure if this is quite on the same track, but I'm planning to make a >> plugin which will allow JEQL to operate within JUMP. JEQL provides a >> much higher-level language than Beanshell, so it might be close to what >> you're looking for with a "Model Builder". >> >> > Great ! > I often use SQL to query data on a postgis database, and I miss a > similar tool to do the job on OpenJUMP layers. > If I understood a bit what JEQL is, it will help me doing that, and more... > > Michaël > >> Ultimately it would be cool to provide a Visual Programming interface to >> JEQL, which would make this even easier to use. Does the Sextante Model >> Builder provide a graphical interface? >> >> Michaël Michaud wrote: >> >> >>> Giuseppe Aruta a écrit : >>> >>> >>> >>>> Hi Michael, >>>> a couple of question: >>>> 1) Is it possible to create a bean tool which automatically calculate the >>>> x,y coordinates of a point layer and write them as attributes? This script >>>> will be quite useful for GPS support. >>>> >>>> >>>> >>>> >>> Sure, not very difficult, >>> I put it here after. If you want to test it and if it suits your needs, >>> we can add it to the distribution. >>> >>> >>> >>>> 2) One of the possible line od OJ development is the construction of a >>>> "model buider" similar to one which in Sextante >>>> (http://openjump.org/wiki/show/Google+Summer+Of+Code+Ideas+List), how >>>> Beanshell can be useful for it? >>>> >>>> >>>> >>>> >>> I did not explore sextante yet, but I like very much the idea of model >>> builder. >>> As far as I can imagine a model builder, it uses interfaces with inputs, >>> outputs and a methods to process data. >>> The processing part could be defined as a script to include methods >>> which are not proposed by the basic model builder. >>> Exemple : >>> The model builder may propose a "filter a featureCollection", "union a >>> featureCollection", but miss a "explode a featureCollection containing >>> geometryCollections". With beanshell, just do it yourself. It's just >>> some thoughts, it may not be so easy to include scripting capabilities >>> into such a model and its user interface. >>> >>> Michaël >>> >>> Here is the script to add XY attributes : >>> >>> // This script adds a new layer from a selected one >>> // The new layer has two new attributes >>> // containing X and Y of a coordinate >>> >>> import com.vividsolutions.jump.feature.*; >>> import com.vividsolutions.jump.workbench.model.StandardCategoryNames; >>> >>> ll = wc.layerNamePanel.selectedLayers; >>> if (ll.length != 1) wc.workbench.frame.warnUser("Exactly one layer must >>> be selected"); >>> else { >>> fc = ll[0].featureCollectionWrapper; >>> fs = fc.featureSchema.clone(); >>> fs.addAttribute("X", AttributeType.DOUBLE); >>> fs.addAttribute("Y", AttributeType.DOUBLE); >>> resultFC = new FeatureDataset(fs); >>> for (f : fc.features) { >>> nf = new BasicFeature(fs); >>> for (int i = 0 ; i < fs.attributeCount-2 ; i++){ >>> nf.setAttribute(i, f.getAttribute(i)); >>> } >>> nf.setAttribute("X", f.geometry.coordinate.x); >>> nf.setAttribute("Y", f.geometry.coordinate.y); >>> resultFC.add(nf); >>> } >>> wc.layerManager.addLayer(StandardCategoryNames.RESULT, >>> ll[0].name+"_XY", resultFC); >>> } >>> >>> >>> >>> >>>> Regards >>>> >>>> Peppe >>>> >>>> __________________________________________________ >>>> Do You Yahoo!? >>>> Poco spazio e tanto spam? Yahoo! Mail ti protegge dallo spam e ti da tanto >>>> spazio gratuito per i tuoi file e i messaggi >>>> http://mail.yahoo.it >>>> >>>> ------------------------------------------------------------------------------ >>>> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, >>>> CA >>>> -OSBC tackles the biggest issue in open source: Open Sourcing the >>>> Enterprise >>>> -Strategies to boost innovation and cut costs with open source >>>> participation >>>> -Receive a $600 discount off the registration fee with the source code: >>>> SFAD >>>> http://p.sf.net/sfu/XcvMzF8H >>>> _______________________________________________ >>>> Jump-pilot-devel mailing list >>>> Jump-pilot-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>> >>>> >>>> >>>> >>>> >>>> >>> ------------------------------------------------------------------------------ >>> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA >>> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise >>> -Strategies to boost innovation and cut costs with open source participation >>> -Receive a $600 discount off the registration fee with the source code: SFAD >>> http://p.sf.net/sfu/XcvMzF8H >>> _______________________________________________ >>> Jump-pilot-devel mailing list >>> Jump-pilot-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>> >>> >>> >>> >> >> > > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise > -Strategies to boost innovation and cut costs with open source participation > -Receive a $600 discount off the registration fee with the source code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > 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. 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