[josm-dev] Jumbo Patch

Frederik Ramm frederik at remote.org
Mon Dec 17 23:40:17 GMT 2007


Gabriel,

> > I am leaning towards the second interpretation, i.e. just accept it
> > that things get slow when you edit a whole city on last year's desktop
> > hardware and get on with it.
> 
> The reason that large datasets are slow to render and edit isn't only java's
> fault.  We're doing no spatial indexing at all.  We don't do any kind of
> information reduction at low zoom levels.  We don't do any sort of
> reverse-lookup tables.  We're using linked lists to store the primitives...

Yes. And I was planning to change some of these. However this would
definitely lead to more memory consumption; it would make working with
large datasets faster but only if you have the RAM to back it up.

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00.09' E008°23.33'





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