Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Daniel Koć
W dniu 29.07.2015 17:01, Martin Koppenhoefer napisał(a): This is admittedly only the German situation but my guess is that many other countries operate in a similar way (i.e. do have more complex road classes internally than what is visible from signposted ref). We have similar discussion

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Martin Koppenhoefer
sent from a phone Am 29.07.2015 um 18:37 schrieb Daniel Koć daniel@koć.pl: highway:class:pl=S/A/GP/G highway:category:pl=2/4/6/7 (the number is the same as the corresponding admin_level) category and class are very generic terms, if you can specify more precisely the kind of

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Marc Gemis
On Tue, Jul 28, 2015 at 5:29 PM, moltonel 3x Combo molto...@gmail.com wrote: I was arguing against a worldwide unified classification. What you're worried about is only local classification : A router won't care about classification differences between far away places like Germany to

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread moltonel 3x Combo
On 29/07/2015, Marc Gemis marc.ge...@gmail.com wrote: On Tue, Jul 28, 2015 at 5:29 PM, moltonel 3x Combo molto...@gmail.com wrote: A router won't care about classification differences between far away places like Germany to Ethiopia. They just care about taking the best road in the area, and

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Ralph Aytoun
Hi Pavel, First let me say that I am totally against the idea of “silly tags” such as works_as_highway=primary. This just indicates a lack of understanding of the real situation. I have looked at your problem and understand what you are seeing. I will give you examples in the Czech Republic as

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Marc Gemis
What I try to say is that you should not map a important road for large distances as secondary + works_as_primary just because it is a smaller, has a different surface, a different ref or whatever. Then (large distance, important road) it is a primary road IMHO, regardless of any other tags. If

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Andrew Guertin
On 07/29/2015 07:11 AM, moltonel 3x Combo wrote: Routers can already use 'prefer primary to secondary' worldwide. Nowhere in the OSM world is secondary defined as better than primary. In any given area. a car router can confidently prefer 'primary'. Based on what John Willis has said about

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Colin Smale
A better router might weight physical attributes such as lanes, surface and effective speed more prominently than heuristics based on logical stuff like administrative classifications and legal maximum speeds. Artificially manipulating the tagging to influence the results of routing algorithms

Re: [Tagging] works_as_highway=primary

2015-07-29 Thread Martin Koppenhoefer
sent from a phone Am 29.07.2015 um 15:08 schrieb Andrew Guertin andrew.guer...@uvm.edu: I think that this breaks a router's idea that primary is better than secondary, and I think that this problem is exactly why people advocate for not following official classification. I believe the