[talk-au] Mini Roundabouts.
Steve Bennett
stevagewp at gmail.com
Sun May 2 13:37:33 BST 2010
On Fri, Apr 30, 2010 at 2:46 PM, David Murn <davey at incanberra.com.au> wrote:
> While I agree that its useful to represent curves and bends properly in
> the traffic flow, this seems a bit excessive. Youre going from having 9
> roundabouts with 36 nodes, to having 9 roundabouts using 162 nodes, for
> no reason other than so it renders a little bit nicer?
It's not just "rendering" - it also affects how it appears on a GPS.
Presumably more accurate circles mean more accurate distance
calculations, too. These aren't terribly important considerations, but
worth bearing in mind the next time we're having a "but all
information is important! we must be as accurate as possible in all
circumstances!" debate.
> One question I do have though, is why put the roundabouts in, and not
> split up the entry/exit ways?
Individual lanes mapped as separate ways considered harmful.
Steve
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