Well, this has changed lately. OpenJump now has a postgis (datastore)
layer, which renders directly from database (with optional caching of
features in the viewport). It's a bit of a hack, but works well. We
added editing to it (still another hack which worked rather well) and
were quite satisfied with performance and scalability on large datasets
(10^6 geometries).
We would prefer to use UDIG for that project, but we had to choose JUMP
because of a) editing tools b) stability c) its simplicity (which
unfortunately comes with significant loss of generality).
Jesse Eichar wrote:
At least with open JUMP (I don't know about gvSIG) the features are
kept in memory. So openJump is very fast but it is also not very
scalable.
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User-friendly Desktop Internet GIS (uDig)
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