A.J. Jessurun ha scritto: > Hello, > > I have a big shapefile with multilinestrings. The spacial index on this > file is automatically generated using the "create spacial index" option. > I do lookups on this shapefile using the bbox filter. This works very > well, except in certain situations. > > If I do a lookup outside the area where the features are, or at some > place there is a big empty area, the resulting feature collection seems > not to use the index and walk trough the complete data set (which takes > about 30 seconds). I am using geotools-2-5-2. > > I am doing something wrong? Or are there special options I need to use > when building the spacial index? Or is this a bug? When I use uDig, I > encounter the same behaviour when I use the Information tool.
Interesting. Looks like a bug indeed, but I'm not familiar with the spatial index enough to decide wheter this is a necessary behaviour for some obscure reason. Maybe Jesse (cc'ed) knows more Cheers Andrea -- Andrea Aime OpenGeo - http://opengeo.org Expert service straight from the developers. ------------------------------------------------------------------------------ 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 _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
