Re: [Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Minh Nguyen
Kevin Morgan  writes:

> 
> 
> Here is an idea. An additional tag is added called signage. The tag use
the following format  name;ref;text. Each item is added to the tag if the
information is in clued on road signs. The tag has the following sub tags
color, icon, description, direction and text. The text sub tag is used to
add additional text that is not a part of the name or ref. For example the
city a road way leads to often include on a road sign. Description is for
descriptive information that needs to be interpreted by a person rather map
generation software. Direction is north,south, east,west. 

There is a separate tagging scheme for destination and directional
information. [1] Many major highways have been tagged this way. Hopefully
OSM-based navigation software would begin to make use of these tags, because
relying solely on names and refs on ways would lead to a lot of missed
turns, regardless of the criteria for using the `name` tag.

[1] http://wiki.openstreetmap.org/wiki/Exit_Info

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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Shawn K. Quinn
On Sun, 2016-07-10 at 12:07 -0400, Kevin Morgan wrote:
> Here is an idea. An additional tag is added called signage. The tag
> use the following format  name;ref;text. Each item is added to the tag
> if the information is in clued on road signs. The tag has the
> following sub tags color, icon, description, direction and text. The
> text sub tag is used to add additional text that is not a part of the
> name or ref. For example the city a road way leads to often include on
> a road sign. Description is for descriptive information that needs to
> be interpreted by a person rather map generation software. Direction
> is north,south, east,west. 

I would prefer signed:name, signed:ref, signed:icon, signed:destination,
signed:text. This is much more flexible than a tag that has three
components that must be supplied in order.

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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Paul Johnson
I think this would be great for point-based data in order to help others
properly determine the correct name=* tag.  However, given the
circumstances, I tend to also use source:name or name:source (not sure
which is correct) citing the state law renaming the road, since that's
verifable and canonical and signage frequently is not here.

On Sun, Jul 10, 2016 at 11:07 AM, Kevin Morgan 
wrote:

> Here is an idea. An additional tag is added called signage. The tag use
> the following format  name;ref;text. Each item is added to the tag if the
> information is in clued on road signs. The tag has the following sub tags
> color, icon, description, direction and text. The text sub tag is used to
> add additional text that is not a part of the name or ref. For example the
> city a road way leads to often include on a road sign. Description is for
> descriptive information that needs to be interpreted by a person rather map
> generation software. Direction is north,south, east,west.
>
> --
>   Kevin Morgan
>   morgankev...@fastmail.fm
>
>
>
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[Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Kevin Morgan
Here is an idea. An additional tag is added called signage. The tag use
the following format  name;ref;text. Each item is added to the tag if
the information is in clued on road signs. The tag has the following sub
tags color, icon, description, direction and text. The text sub tag is
used to add additional text that is not a part of the name or ref. For
example the city a road way leads to often include on a road sign.
Description is for descriptive information that needs to be interpreted
by a person rather map generation software. Direction is north,south,
east,west.
 
--
  Kevin Morgan
  morgankev...@fastmail.fm
 
 
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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Paul Johnson
On Sun, Jul 10, 2016 at 5:47 AM, Richard Fairhurst 
wrote:

> Greg Troxel wrote:
> > When converting to garmin format with mkgmap, and I think with osmand,
> > I will tend to hear both the name and the ref.  That's a big lengthy, but
> > there's no real pattern on which to leave out.
>
> For cycle.travel's directions in the US, I've started post-processing the
> name and ref tag to remove duplication. So if name=State Route 315 and
> ref=OH 315, for example, it will simply say the road to follow is "OH 315"
> rather than "OH 315 State Route 315". But this requires some Lua
> string-matching magick which I suspect is outwith the capabilities of
> mkgmap.


Ideally the name tag would be removed in the OSM data in the first place in
such a case.
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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-10 Thread Richard Fairhurst
Greg Troxel wrote:
> When converting to garmin format with mkgmap, and I think with osmand, 
> I will tend to hear both the name and the ref.  That's a big lengthy, but
> there's no real pattern on which to leave out.

For cycle.travel's directions in the US, I've started post-processing the
name and ref tag to remove duplication. So if name=State Route 315 and
ref=OH 315, for example, it will simply say the road to follow is "OH 315"
rather than "OH 315 State Route 315". But this requires some Lua
string-matching magick which I suspect is outwith the capabilities of
mkgmap.

cheers
Richard



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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-09 Thread Greg Troxel

Paul Johnson  writes:

> On Thu, Jul 7, 2016 at 9:32 PM, Kevin Morgan 
> wrote:
>
>> It is confusing to use open street maps in my area(Central Ohio) for
>> driving directions since the "common names" of high ways do not match
>> road signs. The common names are used by open map chest for road names.
>> For example when turning on to State Route 315 with OpenMapChest loaded
>> on my GPS I am directed to turn on to Olentangy Freeway. However the
>> tiger name on open street maps is State route 315. Would it make more
>> sense to configure driving maps to use tiger names for driving
>> directions,  change commons names to include the state route number or
>> interstate number, or add state route number/ interstate number as a
>> different tag?
>>
>
> ref=* isn't name=*, don't tag for the renderer.  I'd go with the official
> name for name=*.  If you're inclined to do something like, name=State Route
> 315, you really want ref=OH 315.   Not all highways with refs will have
> names, not all highways with names have refs.  In particularly remote
> areas, it's not uncommon for a road to not have a name or a ref.
> Conversely, there's highways that might have eight or nine refs and
> multiple names.

I agree.   Around me, there are roads that have both a name and a ref.
Some of them are locally called by one, and some by the other, and there
is no real pattern.

When converting to garmin format with mkgmap, and I think with osmand, I
will tend to hear both the name and the ref.  That's a big lengthy, but
there's no real pattern on which to leave out.  Except perhaps if there
is a new tag that says whether locals call it by name or ref.  I made
garmin osm data for someone to upgrade them from old proprietary data,
and they commented out the dual name/ref was really helpful compared to
how the proprietary data only had one.

So I think Kevin should look at the mkgmap rules and end up with a name
in garmin format that is basically name+ref.  Or he can make it be just
ref, if that works for him.

But definitely don't adjust the OSM database for this.


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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread OSM Volunteer stevea
There are many parts here:  road signs in the real world, names which might not 
match those, data in OSM, and presentation by "stacks" 
(hardware/software/network) of those data.  The first two can be captured with 
proper tagging in the third.  If the fourth does not meet your needs, it MAY be 
that the underlying data are wrong, or need improvement.  However, it may also 
be that you need to reconfigure your viewing method/tool, or use another one 
altogether which more properly presents you with the data as you wish to see 
them.  Yes, it is important to you that you see the data you wish to see.  MORE 
important is that the data are "there" as they should be.  Let's capture what 
is important with good tagging.

SteveA
California
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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Minh Nguyen
Paul Johnson  writes:

> 
> On Thu, Jul 7, 2016 at 9:32 PM, Kevin Morgan
 wrote:It is confusing
to use open street maps in my area(Central Ohio) for
> driving directions since the "common names" of high ways do not match
> road signs. The common names are used by open map chest for road names.
> For example when turning on to State Route 315 with OpenMapChest loaded
> on my GPS I am directed to turn on to Olentangy Freeway. However the
> tiger name on open street maps is State route 315. Would it make more
> sense to configure driving maps to use tiger names for driving
> directions,  change commons names to include the state route number or
> interstate number, or add state route number/ interstate number as a
> different tag?
> 
> 
> ref=* isn't name=*, don't tag for the renderer.  I'd go with the official
name for name=*.  If you're inclined to do something like, name=State Route
315, you really want ref=OH 315.

You mean `ref=SR 315` and "don't tag for the router". ;-)

The established tagging conventions are designed so that any software that
needs to say something more sophisticated based on the route designation
would parse `network=US:OH` and `ref=315` from the associated route relation
and expand it into "State Route 315". You can find out more about tagging
Ohio route relations on the wiki. [1] The TIGER name Kevin refers to is a
vestige of an import; it isn't customary to tag this way when mapping by hand.

Ohio's DOT makes a point of avoiding names for any Interstate or state route
on signage, in favor of listing control cities. This is different than, say,
Kentucky, which tends to place the highway name next to the route marker on
overhead guide signage.

But Ohio highways still often have official names which are still known
locally, even if they aren't signposted. One example in the Cincinnati area
is the freeway portion of SR 562. The official name is "Norwood Lateral
Expressway", and Cincinnatians universally refer to it as the "Norwood
Lateral", to the point that pretty much no one knows what "SR 562" refers
to. It's clear that `official_name=Norwood Lateral Expressway` and
`loc_name=Norwood Lateral` would be appropriate. `unsigned_name=Norwood
Lateral` is another option.

(Incidentally, a nearby highway was exempted from ODOT's policy after being
renamed for Ronald Reagan. So the signs do include the road name. [2])

If you take the position that `name` should reflect signage, perhaps because
finding signage is more verifiable than asking someone at the nearby gas
station, then `name=Norwood Lateral` would clearly be inappropriate. (A part
of the world that doesn't signpost this way must look rather bare on the
map.) On the other hand, if your reasoning is that `name` should be whatever
name is most useful to someone attempting to use OSM for navigation, then
"Norwood Lateral" isn't entirely useless for that purpose. (You'll never
hear "562" on the traffic report.)

[1] http://wiki.openstreetmap.org/wiki/Ohio/Route_relations
[2] https://en.wikipedia.org/wiki/Ronald_Reagan_Cross_County_Highway

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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Paul Johnson
On Fri, Jul 8, 2016 at 9:22 AM, Andy Townsend  wrote:

> I've tended to use "name:signed=no" and/or "ref:signed=no" if there's a
> name or ref that is agreed to be "correct" but not useful for navigation.


This is where things get *exceedingly* complicated in my region.   Signage
can be *highly* inconsistent for decades, and sometimes posted incorrectly
to begin with (for example, in eastern Broken Arrow, the route Creek
Turnpike is signed as Liberty Parkway on the actual turnpike (which is
correct, the route is named and not numbered, and it's late 1980s expansion
runs on a road whose name doesn't match the name of the route).  What's
incorrect, though, is that the ramps are signed as "TURNPIKE NORTH" or
"TURNPIKE SOUTH", which makes no sense considering that the route runs
east/west.  And the state legislature declares an emergency at least once
per session (and in at least one case since I moved here, actually called
an emergency session) to rename dozens of roads, which, since an emergency
is declared, OklaDOT has to post it *right now*, quality or consistency be
damned...and so it's often only posted where the name changes and none of
the intermediate signs until the intermediate signs wear out.  And with the
ridiculously long names that have been pumped out lately, where the highway
has been renamed, OklaDOT (already under absurd budget pressure), usually
just goes "screw it" and posts a simple route number trail blazer, removing
the old name signs when they wear out at the intermediate locations.
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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Andy Townsend

On 08/07/2016 15:45, Jeffrey Ollie wrote:

... According to the Iowa DOT, it's official name is
"Interstate Highway 235" but ...


As Paul has already said, that sounds like a "ref" to me, not a "name".  
If something doesn't have a name, you don't need to create one for OSM...


Cheers,

Andy


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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Jeffrey Ollie
On Fri, Jul 8, 2016 at 9:22 AM, Andy Townsend  wrote:
>
> In the UK we've also had a problem with some (generally armchair) mappers
> thinking that "all roads must have a name" and "any name is better than no
> name" so they've been adding "names" that might have been in a news report
> ages ago along the lines of "Greater Chigley and Trumpton Bypass Scheme"
> which aren't signed and aren't useful.  I tend to move those to
> "description".

That kind of happens in the US - the main problems are highways and
freeways that have been given an official name (for some level of
"officialness") but aren't useful. The one that comes to mind is I-235
in Des Moines. According to the Iowa DOT, it's official name is
"Interstate Highway 235" but the city of Des Moines named it the "John
MacVicar Freeway" in the 1960's (or at least they did the parts that
are within the city limits)[1].  But, no one ever refers to it as
anything but I-235 and I'd bet that most people don't even know that
it's called anything but I-235. There's probably a tiny sign somewhere
that lets you know what it's called but the rest of the signage never
refers to it.

I'm sure that there are similar stories all over. I'm not sure if the
"*:signed=no" tags help with this but some scheme for tagging a name
that is official on some level but isn't useful for navigation
(because it isn't signed etc) would be helpful.

[1] http://www.iowadot.gov/autotrails/bridges.aspx?MacVicar%20Freeway

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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Andy Townsend
I've tended to use "name:signed=no" and/or "ref:signed=no" if there's a 
name or ref that is agreed to be "correct" but not useful for 
navigation.  It's not used much:


http://taginfo.openstreetmap.org/keys/name%3Asigned

but it does mean that you can exclude "non-useful names" from maps made 
with OSM data, either in a slippy map:


https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/style.lua#L1762

or on a Garmin.

In the UK we've also had a problem with some (generally armchair) 
mappers thinking that "all roads must have a name" and "any name is 
better than no name" so they've been adding "names" that might have been 
in a news report ages ago along the lines of "Greater Chigley and 
Trumpton Bypass Scheme" which aren't signed and aren't useful.  I tend 
to move those to "description".


Cheers,

Andy

On 08/07/2016 15:07, Jeffrey Ollie wrote:

It's been a long time since I've messed much with turning OSM data
into Garmin maps, but even back then the main problem was mapping the
OSM data model to the Garmin data model, what kind of data to retain,
what data to leave out, what data needed to be massaged before being
included etc. It's more of an art than a science. If you're having
problems, they best thing to do isn't to change the OSM data (unless
it's obviously wrong) but to discuss with the OpenMapChest people what
sort of changes could be made to their translation process to improve
your results. This is the first I've heard of OpenMapChest (but it
looks cool, I still have a Garmin GPS that I get out now and then) so
I don't know what the best way to contact them is (there's nothing on
their web site that provides specific contact information).

On Thu, Jul 7, 2016 at 9:32 PM, Kevin Morgan  wrote:

It is confusing to use open street maps in my area(Central Ohio) for
driving directions since the "common names" of high ways do not match
road signs. The common names are used by open map chest for road names.
For example when turning on to State Route 315 with OpenMapChest loaded
on my GPS I am directed to turn on to Olentangy Freeway. However the
tiger name on open street maps is State route 315. Would it make more
sense to configure driving maps to use tiger names for driving
directions,  change commons names to include the state route number or
interstate number, or add state route number/ interstate number as a
different tag?

--
   Kevin Morgan
   morgankev...@fastmail.fm

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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Jeffrey Ollie
It's been a long time since I've messed much with turning OSM data
into Garmin maps, but even back then the main problem was mapping the
OSM data model to the Garmin data model, what kind of data to retain,
what data to leave out, what data needed to be massaged before being
included etc. It's more of an art than a science. If you're having
problems, they best thing to do isn't to change the OSM data (unless
it's obviously wrong) but to discuss with the OpenMapChest people what
sort of changes could be made to their translation process to improve
your results. This is the first I've heard of OpenMapChest (but it
looks cool, I still have a Garmin GPS that I get out now and then) so
I don't know what the best way to contact them is (there's nothing on
their web site that provides specific contact information).

On Thu, Jul 7, 2016 at 9:32 PM, Kevin Morgan  wrote:
> It is confusing to use open street maps in my area(Central Ohio) for
> driving directions since the "common names" of high ways do not match
> road signs. The common names are used by open map chest for road names.
> For example when turning on to State Route 315 with OpenMapChest loaded
> on my GPS I am directed to turn on to Olentangy Freeway. However the
> tiger name on open street maps is State route 315. Would it make more
> sense to configure driving maps to use tiger names for driving
> directions,  change commons names to include the state route number or
> interstate number, or add state route number/ interstate number as a
> different tag?
>
> --
>   Kevin Morgan
>   morgankev...@fastmail.fm
>
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Re: [Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Paul Johnson
On Thu, Jul 7, 2016 at 9:32 PM, Kevin Morgan 
wrote:

> It is confusing to use open street maps in my area(Central Ohio) for
> driving directions since the "common names" of high ways do not match
> road signs. The common names are used by open map chest for road names.
> For example when turning on to State Route 315 with OpenMapChest loaded
> on my GPS I am directed to turn on to Olentangy Freeway. However the
> tiger name on open street maps is State route 315. Would it make more
> sense to configure driving maps to use tiger names for driving
> directions,  change commons names to include the state route number or
> interstate number, or add state route number/ interstate number as a
> different tag?
>

ref=* isn't name=*, don't tag for the renderer.  I'd go with the official
name for name=*.  If you're inclined to do something like, name=State Route
315, you really want ref=OH 315.   Not all highways with refs will have
names, not all highways with names have refs.  In particularly remote
areas, it's not uncommon for a road to not have a name or a ref.
Conversely, there's highways that might have eight or nine refs and
multiple names.
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[Talk-us] Common names of highways do not match road signs.

2016-07-08 Thread Kevin Morgan
It is confusing to use open street maps in my area(Central Ohio) for
driving directions since the "common names" of high ways do not match
road signs. The common names are used by open map chest for road names. 
For example when turning on to State Route 315 with OpenMapChest loaded
on my GPS I am directed to turn on to Olentangy Freeway. However the
tiger name on open street maps is State route 315. Would it make more
sense to configure driving maps to use tiger names for driving
directions,  change commons names to include the state route number or
interstate number, or add state route number/ interstate number as a
different tag?  

-- 
  Kevin Morgan
  morgankev...@fastmail.fm

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