Re: [OSM-talk] routing across open spaces

2010-12-12 Thread M∡rtin Koppenhoefer
2010/12/7 Anthony o...@inbox.org: If all a router knows about is the perimeter, it shouldn't be cutting through an area.  If it understands areas, and the area is tagged as routable (implicitly or explicitly), then yeah, it should. sorry for joining quite late in this thread, I wanted to

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Dave F.
On 05/12/2010 22:07, Anthony wrote: On Sun, Dec 5, 2010 at 11:03 AM, Dave F.dave...@madasafish.com wrote: As long as there are external ways connecting to the area, a router should be able to find the appropriate entrances exits by tracking the perimeter. I thought they were already able to

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread David Murn
On Mon, 2010-12-06 at 20:56 +, Dave F. wrote: - which, if all they know about is the perimeter, is probably a good thing. Eh? I thought you said you'd love it if it cut directly across an area?? They don't have to *follow* the perimeter just use it to find the best exit then

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Dave F.
On 06/12/2010 21:06, David Murn wrote: On Mon, 2010-12-06 at 20:56 +, Dave F. wrote: - which, if all they know about is the perimeter, is probably a good thing. Eh? I thought you said you'd love it if it cut directly across an area?? They don't have to *follow* the perimeter just use

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread David Murn
On Mon, 2010-12-06 at 21:18 +, Dave F. wrote: On 06/12/2010 21:06, David Murn wrote: On Mon, 2010-12-06 at 20:56 +, Dave F. wrote: - which, if all they know about is the perimeter, is probably a good thing. Eh? I thought you said you'd love it if it cut directly across an

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Dave F.
On 06/12/2010 21:42, David Murn wrote: On Mon, 2010-12-06 at 21:18 +, Dave F. wrote: On 06/12/2010 21:06, David Murn wrote: On Mon, 2010-12-06 at 20:56 +, Dave F. wrote: - which, if all they know about is the perimeter, is probably a good thing. Eh? I thought you said you'd love

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Anthony
On Mon, Dec 6, 2010 at 3:56 PM, Dave F. dave...@madasafish.com wrote: On 05/12/2010 22:07, Anthony wrote: On Sun, Dec 5, 2010 at 11:03 AM, Dave F.dave...@madasafish.com  wrote: As long as there are external ways connecting  to the area, a router should be able to find the appropriate

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Anthony
On Mon, Dec 6, 2010 at 4:42 PM, David Murn da...@incanberra.com.au wrote: However, please understand that most of us use routing software, expecting it not to try and take shortcuts across unmapped areas. Who said anything about taking shortcuts across *unmapped* areas? How in the world would

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Anthony
On Mon, Dec 6, 2010 at 6:15 PM, Anthony o...@inbox.org wrote: On Mon, Dec 6, 2010 at 3:56 PM, Dave F. dave...@madasafish.com wrote: On 05/12/2010 22:07, Anthony wrote:  - which, if all they know about is the perimeter, is probably a good thing. Eh? I thought you said you'd love it if it cut

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread David Murn
On Mon, 2010-12-06 at 18:21 -0500, Anthony wrote: On Mon, Dec 6, 2010 at 4:42 PM, David Murn da...@incanberra.com.au wrote: However, please understand that most of us use routing software, expecting it not to try and take shortcuts across unmapped areas. Who said anything about taking

Re: [OSM-talk] routing across open spaces

2010-12-06 Thread Anthony
On Mon, Dec 6, 2010 at 7:11 PM, David Murn da...@incanberra.com.au wrote: On Mon, 2010-12-06 at 18:21 -0500, Anthony wrote: On Mon, Dec 6, 2010 at 4:42 PM, David Murn da...@incanberra.com.au wrote: However, please understand that most of us use routing software, expecting it not to try and

Re: [OSM-talk] routing across open spaces

2010-12-05 Thread ce-test, qualified testing bv - Gert Gremmen
, and so will the user act when he is actually presented with the area ;) -Oorspronkelijk bericht- Van: talk-boun...@openstreetmap.org [mailto:talk-boun...@openstreetmap.org] Namens David Murn Verzonden: zondag 5 december 2010 2:36 Aan: Anthony CC: OSM Talk Onderwerp: Re: [OSM-talk] routing

Re: [OSM-talk] routing across open spaces

2010-12-05 Thread Dave F.
On 01/12/2010 00:48, David Murn wrote: On Tue, 2010-11-30 at 19:14 -0500, Anthony wrote: That's nonsense. A way does not show a right of passage. A particularly tagged way shows a right of passage. And a park is a particularly tagged way. No, a park *CAN BE* a particularly tagged way. Can

Re: [OSM-talk] routing across open spaces

2010-12-05 Thread Anthony
On Sun, Dec 5, 2010 at 11:03 AM, Dave F. dave...@madasafish.com wrote: As long as there are external ways connecting  to the area, a router should be able to find the appropriate entrances exits by tracking the perimeter. I thought they were already able to do that, but maybe not. Surely they

Re: [OSM-talk] routing across open spaces

2010-12-04 Thread David Murn
On Wed, 2010-12-01 at 00:00 -0500, Anthony wrote: Anyway, I looked around at a few places labelled leisure=park, and the usage is all over the place. I'd say based on that very unscientific sample that it's probably best for routers to use a default of access=unknown for leisure=park areas,

Re: [OSM-talk] routing across open spaces

2010-12-01 Thread David Murn
On Wed, 2010-12-01 at 00:00 -0500, Anthony wrote: Alternatively, I guess it wouldn't be horrible to add something like a highway=shortcut tag, so mappers could be explicit about it. If we've gotta add foot=permissive by hand anyway, it's not that much more work to add a few extra ways. I

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Ed Avis
Robin Paulson robin.paulson at gmail.com writes: I walk a lot, and would like a routing engine which understands i can take a direct route across an open public space, such as a park, without needing a footpath to be explicitly drawn in. the existing routing engines don't seem to understand this.

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Nic Roets
On Tue, Nov 30, 2010 at 2:22 AM, Robin Paulson robin.paul...@gmail.comwrote: hi, i walk a lot, and would like a routing engine which understands i can take a direct route across an open public space, such as a park, without needing a footpath to be explicitly drawn in. the existing routing

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Robert Kaiser
Robin Paulson schrieb: or am i missing a tag? do i need to tag parks, etc. with area=yes foot=yes, access=yes or would that be a case of tagging for the routing engine Note that in some park, stepping on the grass is explicitely forbidden, so automatically routing across park space may pose a

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Martijn van Exel
On Tue, Nov 30, 2010 at 4:50 PM, Nic Roets nro...@gmail.com wrote: On Tue, Nov 30, 2010 at 2:22 AM, Robin Paulson robin.paul...@gmail.comwrote: hi, i walk a lot, and would like a routing engine which understands i can take a direct route across an open public space, such as a park, without

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 10:53 AM, Robert Kaiser ka...@kairo.at wrote: Robin Paulson schrieb: or am i missing a tag? do i need to tag parks, etc. with area=yes foot=yes, access=yes or would that be a case of tagging for the routing engine Note that in some park, stepping on the grass is

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread David Murn
On Tue, 2010-11-30 at 15:30 +, Ed Avis wrote: Not all park land is walkable - some can be trees or bushes - so some extra tagging is needed. Another problem, is that you may not be able to traverse the park in all directions. It may have a fence with only a couple of access gates, or you

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 11:29 AM, David Murn da...@incanberra.com.au wrote: On Tue, 2010-11-30 at 15:30 +, Ed Avis wrote: As a rough rule, leisure=park and landuse=grass could be considered walkable, unless tagged access=no or access=private. You may also find timed access restrictions

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Ed Avis
David Murn davey at incanberra.com.au writes: Not all park land is walkable - some can be trees or bushes - so some extra tagging is needed. Another problem, is that you may not be able to traverse the park in all directions. It may have a fence with only a couple of access gates, or you may

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Nic Roets
On Tue, Nov 30, 2010 at 6:14 PM, Martijn van Exel m...@rtijn.org wrote: On Tue, Nov 30, 2010 at 4:50 PM, Nic Roets nro...@gmail.com wrote: On Tue, Nov 30, 2010 at 2:22 AM, Robin Paulson robin.paul...@gmail.comwrote: hi, i walk a lot, and would like a routing engine which understands i can

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Felix Hartmann
On 30.11.2010 17:17, Anthony wrote: On Tue, Nov 30, 2010 at 10:53 AM, Robert Kaiserka...@kairo.at wrote: Robin Paulson schrieb: or am i missing a tag? do i need to tag parks, etc. with area=yes foot=yes, access=yes or would that be a case of tagging for the routing engine Note that in some

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread David Murn
On Tue, 2010-11-30 at 11:43 -0500, Anthony wrote: On Tue, Nov 30, 2010 at 11:29 AM, David Murn da...@incanberra.com.au wrote: On Tue, 2010-11-30 at 15:30 +, Ed Avis wrote: As a rough rule, leisure=park and landuse=grass could be considered walkable, unless tagged access=no or

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Robin Paulson
On 1 December 2010 11:22, David Murn da...@incanberra.com.au wrote: Thats great, what happens if someone traces the park from aerial imagery, and doesnt know/care about any of those?  Or for that matter, if someone tags it on-the-ground, but doesnt add all the details? What defautls should

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 5:22 PM, David Murn da...@incanberra.com.au wrote: On Tue, 2010-11-30 at 11:43 -0500, Anthony wrote: On Tue, Nov 30, 2010 at 11:29 AM, David Murn da...@incanberra.com.au wrote: On Tue, 2010-11-30 at 15:30 +, Ed Avis wrote: As a rough rule, leisure=park and

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Robin Paulson
On 1 December 2010 11:55, Anthony o...@inbox.org wrote: A park. Open, green area for recreation, usually municipal. These are outdoor areas, typically grassy/green areas, set aside of leisure and recreation. Typically (or pretty much always) open to the public, but may be fenced off, and may

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 1:24 PM, Felix Hartmann extremecar...@gmail.com wrote: I don't think routing over areas will ever work well. It might work for 2-3 areas and that is already really difficult for calculation. Just routing onto an open space is no problem, but calculating a route over a

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 6:01 PM, Robin Paulson robin.paul...@gmail.com wrote: but it's getting away form the point: parks are only one implementation/manifestation of the situation. i'm enquiring about routing across areas in general, and whether anyone does/will do it. I don't think anyone

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 6:08 PM, Anthony o...@inbox.org wrote: Just take the n ways which connect to the area, and run http://www.loria.fr/~lazard/Publications/Curvature-constrained_shortest_path_in_a_convex_polygon/Curvature-constrained_shortest_path_in_a_convex_polygon.html Actually, that

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread David Murn
On Wed, 2010-12-01 at 12:01 +1300, Robin Paulson wrote: That's nonsense. A way does not show a right of passage. A particularly tagged way shows a right of passage. And a park is a particularly tagged way. No, a park *CAN BE* a particularly tagged way. Just like a road, if it isnt

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 6:57 PM, David Murn da...@incanberra.com.au wrote: On Wed, 2010-12-01 at 12:01 +1300, Robin Paulson wrote: That's nonsense.  A way does not show a right of passage.  A particularly tagged way shows a right of passage.  And a park is a particularly tagged way. No,

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Robin Paulson
On 1 December 2010 13:14, Anthony o...@inbox.org wrote: I'd love it.  It's a feature I'm quite looking forward to.  One day OSM will be able to route me from Linkwood Avenue to Pine Bay Drive through the park (http://www.openstreetmap.org/?lat=28.07187lon=-82.550402zoom=18layers=M), saving me

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 7:18 PM, Robin Paulson robin.paul...@gmail.com wrote: On 1 December 2010 13:14, Anthony o...@inbox.org wrote: I'd love it.  It's a feature I'm quite looking forward to.  One day OSM will be able to route me from Linkwood Avenue to Pine Bay Drive through the park

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread David Murn
On Tue, 2010-11-30 at 19:14 -0500, Anthony wrote: That's nonsense. A way does not show a right of passage. A particularly tagged way shows a right of passage. And a park is a particularly tagged way. No, a park *CAN BE* a particularly tagged way. Can be? How can you represent

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
On Tue, Nov 30, 2010 at 7:48 PM, David Murn da...@incanberra.com.au wrote: On Tue, 2010-11-30 at 19:14 -0500, Anthony wrote: That's nonsense.  A way does not show a right of passage.  A particularly tagged way shows a right of passage.  And a park is a particularly tagged way. No, a

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread David Murn
On Tue, 2010-11-30 at 20:24 -0500, Anthony wrote: One day OSM will be able to route me from Linkwood Avenue to Pine Bay Drive through the park (http://www.openstreetmap.org/?lat=28.07187lon=-82.550402zoom=18layers=M), saving me 50 minutes of walking. Imagine if you tried to save 50min

Re: [OSM-talk] routing across open spaces

2010-11-30 Thread Anthony
One day OSM will be able to route me from Linkwood Avenue to Pine Bay Drive through the park (http://www.openstreetmap.org/?lat=28.07187lon=-82.550402zoom=18layers=M), saving me 50 minutes of walking. Imagine if you tried to save 50min by getting routed across Albert Park[1].  

[OSM-talk] routing across open spaces

2010-11-29 Thread Robin Paulson
hi, i walk a lot, and would like a routing engine which understands i can take a direct route across an open public space, such as a park, without needing a footpath to be explicitly drawn in. the existing routing engines don't seem to understand this. or am i missing a tag? do i need to tag