[OSM-talk] Large cadastral polygons
61sundowner at gmail.com
Fri Jun 12 23:29:54 UTC 2020
On 13/6/20 1:37 am, Paul Johnson wrote:
> On Fri, Jun 12, 2020 at 10:28 AM Florian Lohoff <f at zz.de
> <mailto:f at zz.de>> wrote:
> On Fri, Jun 12, 2020 at 02:14:15PM +0200, Mateusz Konieczny via
> talk wrote:
> > Jun 12, 2020, 13:59 by f at zz.de <mailto:f at zz.de>:
> > > Changeset envelopes which span more than 100s of km² are broken.
> > >
> > Except cases where you edit/delete already created huge objects
> or you create
> > huge object that actually should be created.
> These types of objects should be pretty exceptional. I try to split
> landuses to sub 1km² because i also feel the pain for
> rendering tiles. As soon as someone touches those areas you invalidate
> tons of tiles. So breaking this down also benefits us long term
> concerning workload on the tile servers.
> Not just that, but cadastral type tags probably shouldn't be spanning
> large areas to start with. If your landuse or landcover polygon is
> crossing an unclassified or higher highway, you're probably making a
> big mistake. landuse=residential is NOT a substitute for
> place=neighborhood (something I see a lot).
Hummm.. the following military areas are used as a rocket test firing
area. Spiting them up into 1 km square areas would be a lot of work!
Total area is approximately 122,188 km².
Ways 544274312, 436690530 and 436098551.
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