Simplify your geometry before buffering. The larger the buffer distance, the less effect the internal vertices have on the final geometry, and the more aggressively you can simplify.
P. On Thu, Jul 24, 2008 at 2:18 PM, Michael Michaud <[EMAIL PROTECTED]> wrote: > Hi, > > I noticed that OpenJUMP Buffer plugin performance decreases dramatically if > a large buffer size is used : > For a map with rivers having vertices every few meters, I get : > > buffer = 25 m : 7 s > buffer = 50 m : 16 s > buffer = 100 m : 48 s > buffer = 200 m : 2m 59 s > > The plugin uses the BufferOp class. I have no idea why a large buffer should > take longer than a small one, and I don't know if there is a better way to > compute a buffer. > > Any idea ? > > Michaël > > _______________________________________________ > jts-devel mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/jts-devel > _______________________________________________ jts-devel mailing list [email protected] http://lists.refractions.net/mailman/listinfo/jts-devel
