Thanks for the feedback and code Peter. If it's OK I'll use your code (perhaps modified a little) to add an example to the user guide.
Michael 2008/12/30 Peter Friess <[email protected]>: > Thanks Andrea, that's how I implemented it. It works fine so far. > > Cheers, > Peter > > -----Original Message----- > From: Andrea Aime [mailto:[email protected]] > Sent: Monday, December 29, 2008 2:36 PM > To: PF-Friess > Cc: [email protected]; Jesse Eichar; Jody Garnett > Subject: Re: [Geotools-devel] GeoTools 2.51. FeatureStore > > PF-Friess ha scritto: >> Hi, >> >> I am testing GeoTools for creating shape files. I typically have to deal >> with a couple million points (~1 - 3 millions). Thereore, I am looking for > a >> way to sequentially write features to the shapfile. I repeatedly generate > a >> "FeatureCollection<SimpleFeatureType, SimpleFeature> collection", add the >> collection to the "FeatureStore<SimpleFeatureType, SimpleFeature> >> featureStore" and call transaction.commit. It seems to me that whenever I >> call transaction.commit all features in the featureStore are written to >> file, as the more features I add the slower the transaction.commit. > > Indeed, each time you commit the shapefile is fully rewritten, thus > the slowdown. > >> How can I control the process of writing features to a shap file, such > that >> I can sequentially add a "FeatureCollection<SimpleFeatureType, >> SimpleFeature> collection" to the shape file? > > Use a feature writer, and a single transaction, that should do it (I > hope). Jesse, Jody, if you can provide more details... > Cheers > Andrea > > -- > Andrea Aime > OpenGeo - http://opengeo.org > Expert service straight from the developers. > > ------------------------------------------------------------------------------ > > _______________________________________________ > Geotools-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-devel > > ------------------------------------------------------------------------------ _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
