On Mon, Feb 27, 2012 at 4:36 PM, Zheng Xudong <[email protected]> wrote: > Hi all, > > I use GeoTools 8.0M4 to load a shapefile contains about 10,000+ > geometries (each is a multiline). The code is just like the demo in > quickstart. But I found the rendering is a little slow, especially when I > zoom in/out or drag the map, and even sometimes the rendering couldn't > completed (leave some blank area). What can I do to optimize the > performance of rendering, or the demo is already the best solution? The CPU > of my PC is Core Duo E6550, the memory is 2G, and the graphics card is ATI > Radeon HD 2400.
If you can manage to load all features in memory there is, among the samples, one that loads all geometries in a in memory spatial index. Look for SpatialIndexFeatureSource Cheers Andrea -- ------------------------------------------------------- Ing. Andrea Aime GeoSolutions S.A.S. Tech lead Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 962313 mob: +39 339 8844549 http://www.geo-solutions.it http://geo-solutions.blogspot.com/ http://www.youtube.com/user/GeoSolutionsIT http://www.linkedin.com/in/andreaaime http://twitter.com/geowolf ------------------------------------------------------- ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ GeoTools-GT2-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
