Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals

2011-01-16 Thread James Mast

> Date: Thu, 13 Jan 2011 11:06:48 -0500
> From: nerou...@gmail.com
> To: tagging@openstreetmap.org
> Subject: Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals
> 
> On Thu, Jan 13, 2011 at 12:33 AM, James Mast  
> wrote:
> > I've created a proposal for Emergency Traffic Signals, which are typically
> > found in front of fire stations and highway tunnels at
> > http://wiki.openstreetmap.org/wiki/Proposed_features/Emergency_Traffic_Signals
> 
> I've already been using highway=traffic_signals
> traffic_signals=emergency (as well as traffic_signals=blinker for a
> single-ball blinker and traffic_signals=blink_mode for a standard
> signal that's in permanent blink mode), so I agree with that part. No
> comment on emergency=*, and I oppose treating bridge/tunnel signals
> the same as those in front of fire stations.
> 

Then what would you suggest for the tunnel ones NE2?
 
And what do you think of "traffic_signals:emergency=yes" for the base tag 
instead?  Lulu-Ann made this suggestion on the main "highway=traffic_signals" 
page 
(http://wiki.openstreetmap.org/w/index.php?title=Talk:Tag:highway%3Dtraffic_signals&curid=17171&diff=587033&oldid=585035).
 
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Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals

2011-01-16 Thread Steve Bennett
On Fri, Jan 14, 2011 at 3:06 AM, Nathan Edgars II  wrote:
> I've already been using highway=traffic_signals
> traffic_signals=emergency (as well as traffic_signals=blinker for a
> single-ball blinker and traffic_signals=blink_mode for a standard
> signal that's in permanent blink mode), so I agree with that part. No
> comment on emergency=*, and I oppose treating bridge/tunnel signals
> the same as those in front of fire stations.

I agree with this approach.

I see it as: Is this entity fundamentally a traffic signal, or is it
fundamentally emergency-related equipment? I say it's the former.

Alternatively: is it better if a renderer shows all traffic_signals
the same (failing to distinguish emergency ones), or all emergency
things the same (failing to distinguish traffic signals from, say,
fire extinguishers). Again, I say the former.

Steve

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Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals

2011-01-16 Thread Nathan Edgars II
On Sun, Jan 16, 2011 at 8:20 PM, James Mast  wrote:
> Then what would you suggest for the tunnel ones NE2?

I'm not sure.
>
> And what do you think of "traffic_signals:emergency=yes" for the base tag
> instead?  Lulu-Ann made this suggestion on the main
> "highway=traffic_signals" page
> (http://wiki.openstreetmap.org/w/index.php?title=Talk:Tag:highway%3Dtraffic_signals&curid=17171&diff=587033&oldid=585035).

What would be the benefit of that?

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Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-16 Thread Paul Norman
Based on feedback, I've modified
http://wiki.openstreetmap.org/wiki/Proposed_features/sluice_gate

> -Original Message-
> From: tagging-boun...@openstreetmap.org [mailto:tagging-
> boun...@openstreetmap.org] On Behalf Of Paul Norman
> Sent: Saturday, January 08, 2011 7:36 PM
> To: 'Tag discussion, strategy and related tools'
> Subject: Re: [Tagging] Feature Proposal - RFC - sluice_gate
> 
> > From: Steve Bennett
> >
> >   On 5/01/2011 3:18 PM, John Smith wrote:
> > > Perhaps a more generic approach would work, eg waterway=flow_control
> > > flow_control=weir|sluice_gate|flood_gate|spillway_gate|
> > Yeah something like that would be reasonable. What I'd like to see a
> > lot more of is planning ahead: coming up with a scheme into which all
> > future subtags can be slotted. It's very hard to change a tag once
> > it's become popular. So perhaps:
> >
> > waterway=dam (a wall with water on one side) waterway=weir (a wall
> > with water flowing over the top) waterway=flow_control (an opening
> > through which water sometimes flows).
> > flow_control=sluice_gate|flood_gate|spillway_gate|lock_gate...
> >
> > Then we get people who know this stuff to try and find exceptions that
> > don't fit into the above scheme, and redesign it.
> >
> 
> I've been looking into this. How does this sound?
> waterway=dam and waterway=weir remain unchanged.
> 
> waterway=flow_control - a device for controlling the flow of water
> 
> flow_control=sluice_gate|discharge|...
> 
> sluice_gate: a sluice gate.
> 
> discharge: A discharge point like
> http://en.wikipedia.org/wiki/File:Howell-Bunger_valve.jpg
> 
> The question is, what else would go there? Flood gates don't belong
> there - that's the *usage* of the gate, not the *type* of gate.
> 
> 
> 
> 
> 
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Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals

2011-01-16 Thread Paul Johnson
On 01/13/2011 10:06 AM, Nathan Edgars II wrote:
> On Thu, Jan 13, 2011 at 12:33 AM, James Mast 
>  wrote:
>> I've created a proposal for Emergency Traffic Signals, which are typically
>> found in front of fire stations and highway tunnels at
>> http://wiki.openstreetmap.org/wiki/Proposed_features/Emergency_Traffic_Signals
> 
> I've already been using highway=traffic_signals
> traffic_signals=emergency (as well as traffic_signals=blinker for a
> single-ball blinker and traffic_signals=blink_mode for a standard
> signal that's in permanent blink mode), so I agree with that part. No
> comment on emergency=*, and I oppose treating bridge/tunnel signals
> the same as those in front of fire stations.

Tagging single-aspect signals seems excessive overkill, given the
propensity of single aspect signals and their standard usage emphasizing
other traffic control devices (particularly signals that are permanently
flashing yellow).



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Re: [Tagging] Feature Proposal - RFC - Emergency Traffic Signals

2011-01-16 Thread Nathan Edgars II
On Mon, Jan 17, 2011 at 2:23 AM, Paul Johnson  wrote:
> Tagging single-aspect signals seems excessive overkill, given the
> propensity of single aspect signals and their standard usage emphasizing
> other traffic control devices (particularly signals that are permanently
> flashing yellow).

Maybe they don't have overhead blinkers in states that begin with O,
but around here there are a couple two- or four-way stops with
single-ball signals suspended from wires. The approaches that stop
have a permanently blinking red, and the others have a yellow. These
are useful to mark for navigation if nothing else.
Here's an example (four-way stop so they're all red):
http://maps.google.com/maps?sll=28.727588,-81.558718&sspn=0.003961,0.0103&ll=28.556746,-81.36035&spn=0.007897,0.020599&t=k&z=17&layer=c&cbll=28.556746,-81.36035&panoid=W8eiC4kISDr3eayvFK8Hvg&cbp=12,289.76,,0,-5.36

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