Re: [Tagging] airstrip vs runway

2017-10-09 Thread Warin
On 09-Oct-17 11:16 PM, Andy Townsend wrote: On 09/10/2017 12:47, Christoph Hormann wrote: Keep in mind that the mental image of an 'airport', 'aerodrome' or 'runway' or whatever translation the description of this tag is in your local language differs a lot from mapper to mapper.  So the only

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Warin
On 10-Oct-17 02:24 AM, Martin Koppenhoefer wrote: If the same runway-like feature needs to be tagged differently depending on if it is located within an airport of not (by whatever definition of airport) that is not a very good idea for tagging. I didn't write this

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Warin
On 10-Oct-17 04:13 AM, Kevin Kenny wrote: On Mon, Oct 9, 2017 at 12:09 PM, Max wrote: https://www.openstreetmap.org/#map=13/42.4014/-76.5581 in this area there are 7 runways. Two are called "field" three "Airport" and one even is called "International Airport" none

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Kevin Kenny
On Mon, Oct 9, 2017 at 12:09 PM, Max wrote: > https://www.openstreetmap.org/#map=13/42.4014/-76.5581 > > in this area there are 7 runways. Two are called "field" three "Airport" and > one even is called "International Airport" none of them is paved. Once again, it's a

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Max
On 2017년 10월 09일 09:38, Andrew Davidson wrote: I think we may be drifting away from Warin's original question. If you look at the LINZ meta-data: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-runway_poly their definition of what an airstrip is: "an area that consists

Re: [Tagging] airstrip vs runway

2017-10-09 Thread J.J.Iglesias
Likewise happen in hundreds of airstrips in Latin America, that are out of the ICAO definition of Airport and more into the Airstrip. By definition these airstrip are Not controlled neither approved by the Aeronautical Authorities but some of them are depicted in the Aeronautical Visual Charts

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Janko Mihelić
I'm in favor of airstrips, but I would make airstrip a subcategory of runway. So tagging an airstrip as runway is not wrong if you don't know any better. Anyway, is there a way to know if a runway is an airstrip from aerial photos? Is grass surface enough to make something an airstrip? Does this

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Martin Koppenhoefer
> > If the same runway-like feature needs > to be tagged differently depending on if it is located within an > airport of not (by whatever definition of airport) that is not a very > good idea for tagging. > I didn't write this definition, but to me it seems to be intended as a shortcut to say:

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Dave Swarthout
Just to add some observations about Alaska to this conversation. Alaska has hundreds of long strips whose surface is gravel or grass long ago cleared of woods and brush that served as landing strips for small airplanes. The small airplane is almost as common in rural Alaska as automobiles are in

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Christoph Hormann
On Monday 09 October 2017, Martin Koppenhoefer wrote: > > I am not aware that OSM in any way defines what an “aircraft” is. > > Why is “aircraft” objective and verifiable, but “airport” is not? Now discussion is drifting into the ridiculous. Depending on your perspective it can obviously be

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Andy Townsend
On 09/10/2017 12:47, Christoph Hormann wrote: Keep in mind that the mental image of an 'airport', 'aerodrome' or 'runway' or whatever translation the description of this tag is in your local language differs a lot from mapper to mapper. So the only really meaningful definition is something

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Martin Koppenhoefer
sent from a phone > On 9. Oct 2017, at 13:47, Christoph Hormann wrote: > > I am not aware that OSM in any way defines what an airport is. It is > likely that whatever line you draw between an airport and a non-airport > is not practically verifiable in many cases. > >

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Christoph Hormann
On Monday 09 October 2017, Martin Koppenhoefer wrote: > > Yes, I had noticed this reference to "practial use", but wasn't > convinced at first glance. Can you explain how you decide between > something mapped that isn't and never has been consistent with our > longstanding tag definition in the

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Martin Koppenhoefer
2017-10-09 12:43 GMT+02:00 Christoph Hormann : > On Monday 09 October 2017, Martin Koppenhoefer wrote: > > > > The wiki says (undisputed and since version1 in 1/2008): "A runway is > > a strip of land on an airport, on which aircraft can take off and > > land.". Under this

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Christoph Hormann
On Monday 09 October 2017, Martin Koppenhoefer wrote: > > The wiki says (undisputed and since version1 in 1/2008): "A runway is > a strip of land on an airport, on which aircraft can take off and > land.". Under this definition, you could at most map those airstrips > as runways that are _on an

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Martin Koppenhoefer
2017-10-09 10:54 GMT+02:00 Christoph Hormann : > > > > 'airstrip' and 'runway' are terms of art in Aviation. > > The distinction is important. > > Since this still seems to be a widespread misconception: The meaning of > the words used for key and value in English language does

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Christoph Hormann
On Monday 09 October 2017, Bill Ricker wrote: > > I see no reason why these cannot be retagged as 'runway'. > > NO NO NO > > 'airstrip' and 'runway' are terms of art in Aviation. > The distinction is important. Since this still seems to be a widespread misconception: The meaning of the words

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Andrew Davidson
I think we may be drifting away from Warin's original question. If you look at the LINZ meta-data: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-runway_poly their definition of what an airstrip is: "an area that consists only of a grass (sometimes limestone) runway in a

Re: [Tagging] airstrip vs runway

2017-10-09 Thread Graeme Fitzpatrick
I know there are some airstrips in SEQ that are privately owned & no-one is allowed to land without permission - should they be mapped as possible emergency strips? There are also charter planes that operate of the beach at Fraser Island - should that stretch of beach also be shown as a 'strip?