Re: [Tagging] Turn Restriction usage

2012-04-12 Thread Georg Feddern
Am 11.04.2012 15:42, schrieb Simone Saviolo: 2012/4/11 Ross Scanloni...@4x4falcon.com: No. The router should know not to do this. Likewise as below the router should not make u turns at traffic lights. Based on what? How does the router know that the two ways are two carriageways of a single

Re: [Tagging] Turn Restriction usage

2012-04-12 Thread Paul Johnson
On Wed, Apr 11, 2012 at 5:04 AM, Stephen Hope slh...@gmail.com wrote: In one case there is a road where a two way section comes to a divider and becomes two one way sections for a while. The suggested route came along one of the one way sections, then turned about 340 degrees to go down the

Re: [Tagging] Turn Restriction usage

2012-04-12 Thread Jaakko Helleranta.com
On Thu, Apr 12, 2012 at 3:38 AM, Georg Feddern o...@bavarianmallet.dewrote: in your example the angle at the considered point is far from dangerous or considerable. Your angle is in the range up to 45° and doesn't even reach 90° (a typical crossing / turn situation). Points of no u-turn -

[Tagging] Turn Restriction usage

2012-04-11 Thread Stephen Hope
I've been clearing up some routing bugs reported in my area on Mapdust. Some of them are valid errors, and I've fixed them. Some I'm not so sure about. In one case there is a road where a two way section comes to a divider and becomes two one way sections for a while. The suggested route came

Re: [Tagging] Turn Restriction usage

2012-04-11 Thread Ross Scanlon
In one case there is a road where a two way section comes to a divider and becomes two one way sections for a while. The suggested route came along one of the one way sections, then turned about 340 degrees to go down the other side of the road. It may be legal to do a u-turn there, but I don't

Re: [Tagging] Turn Restriction usage

2012-04-11 Thread Simone Saviolo
2012/4/11 Ross Scanlon i...@4x4falcon.com: In one case there is a road where a two way section comes to a divider and becomes two one way sections for a while. The suggested route came along one of the one way sections, then turned about 340 degrees to go down the other side of the road. It

Re: [Tagging] Turn Restriction usage

2012-04-11 Thread Ross Scanlon
No. The router should know not to do this. Likewise as below the router should not make u turns at traffic lights. Based on what? How does the router know that the two ways are two carriageways of a single road? Couldn't they be a straight road, that becomes a oneway street at a certain point,

Re: [Tagging] Turn Restriction usage

2012-04-11 Thread Simone Saviolo
2012/4/11 Ross Scanlon i...@4x4falcon.com: No.  The router should know not to do this. Likewise as below the router should not make u turns at traffic lights. Based on what? How does the router know that the two ways are two carriageways of a single road? Couldn't they be a straight road,

Re: [Tagging] Turn Restriction usage

2012-04-11 Thread Stephen Hope
On 11 April 2012 22:12, Ross Scanlon i...@4x4falcon.com wrote: Likewise as below the router should not make u turns at traffic lights. I don't have a problem with this, except we then are going to need some way to tag U-turn allowed to mark the cases where you are allowed to turn. These are