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.
ShapeFl.java
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