Hi Michaël, Wow! Sounds really useful. Thanks for the good work.
regards, Larry Becker On Wed, Aug 13, 2008 at 4:30 AM, Michael Michaud <[EMAIL PROTECTED]>wrote: > Hi, > > New plugin for attribute aggregation (alpha version). > Use case : aggregate a feature attribute of a source layer (ex. union > geometry, compute average geometry length, sum geometry area, sum > population, compute average age...) onto features of a target layer (ex a > country layer) based on a geometry predicate (ex. for cities within each > state, for roads intersecting each state...). > > The alpha version of the plugin is available at > http://geo.michaelm.free.fr/OpenJUMP/resources/aggregation-0.1.jar > It is installed in a PlugIn menu > > @Stefan : such a plugin already exists in tools>analysis>two layers, but > with limited capabilities. Hope this one will be able to replace the other > one (at the moment, mine misses minority, majority and median function). > Another plugin exists from Martin Davis in tools menu which computes a kind > of cartesian product between 2 layers (but if a country contains 3 cities, > there is 3 features in the result layer wich combine attributes of both > layers - so no aggregation) > > Michaël > _______________________________________________ > jump-users mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/jump-users > -- http://amusingprogrammer.blogspot.com/
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