[OSM-dev] Augmented Diffs

[Ramas]

On 17 September 2012 17:15, andrzej zaborowski <balrogg at gmail.com> wrote:

> Hi,
>
> On 7 September 2012 08:26, Komяpa <me at komzpa.net> wrote:
> > Augmented diffs is one of the most awaited features for me, thanks for
> > implementing :3
> >
> > It makes possible to eliminate the need for slim tables in osm2pgsql
> > database.
>
> It doesn't seem that this was specifically the purpose of Roland's
> augmented diffs, but this a very good idea too.  Implemented naively
> as someone mentioned such diffs could be huge, so I'm thinking that
> rather than include the WKT of the new geometry with every element,
> perhaps you need some form of geometry diff description.  When a node
> is added or moved in a way, it makes sense to only include the part of
> the WKT that has changed, both for the way element, and any relations
> containing that way.
>

Only if this diff is smaller than whole definition.
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