[Tagging] Removing name_1 and alt_name_1 from Wiki

Tijmen Stam mailinglists at iivq.net
Sun Jan 24 09:43:16 UTC 2016


With the value "none"

For example on German Autobahnen, where you can drive as fast as you 
want is "maxspeed=none" which is different from having maxspeed not set: 
this means maxspeed is unknown or not tagged yet.



On 20-01-16 09:06, Colin Smale wrote:
> Exactly.
>
> If a missing value (i.e. use the default) is not the same as explicitly
> having NO value, how do you override the default with "no value"?
>
> --colin
>
> On 2016-01-20 08:50, Gerd Petermann wrote:
>
>> I don't think that the meaning really depends on the position. My
>> understanding is that the
>>
>> complete value (e.g. "80||" ) is parsed by splitting it into separate
>> strings at each pipe symbol.
>>
>> Result: three strings: "80" , "",""
>>
>> The value "|80|" also gives three strings: "","80",""
>>
>> Another point is that an empty value means "use the default", which can
>>
>> only make sense in special cases  like this.
>>
>> Gerd
>>
>>
>> ------------------------------------------------------------------------
>> *Von:* Colin Smale <colin.smale at xs4all.nl>
>> *Gesendet:* Mittwoch, 20. Januar 2016 08:23
>> *An:* Tag discussion, strategy and related tools
>> *Betreff:* Re: [Tagging] Removing name_1 and alt_name_1 from Wiki
>>
>> I meant that there is a value missing "between the pipes", which at a
>> slightly higher semantic level can mean "use the default". A
>> definition which varies according to position doesn't feel well-formed
>> to me.
>>
>> //colin
>>
>> On 2016-01-20 08:10, Gerd Petermann wrote:
>>
>>     Colin Smale wrote
>>
>>         The "lanes" tag family uses a different delimiter ("|"), sometimes
>>         together with a semicolon to make a kind of 2-d array. A
>>         double pipe
>>         ("||") indicates a missing value there. Wouldn't it be nice if
>>         we were
>>         consistent?
>>
>>
>>     That is new to me. My understanding of a double pipe is that
>>     described here:
>>     http://wiki.openstreetmap.org/wiki/Proposed_features/lanes_General_Extension#Default_values
>>
>>     Proposed features/lanes General Extension - OpenStreetMap Wiki
>>     <http://wiki.openstreetmap.org/wiki/Proposed_features/lanes_General_Extension#Default_values>
>>     wiki.openstreetmap.org
>>     A simple, straightforward extension of existing tags to specify
>>     properties not only for a way as whole but for the lanes of the
>>     way instead. Based on this general ...
>>
>>
>>     which indicates that a double pipe means one or two default values,
>>     depending on the position.
>>     At the end of the value, it means two default values.
>>
>>     Gerd
>>
>>
>>
>>     --
>>     View this message in context:
>>     http://gis.19327.n5.nabble.com/Removing-name-1-and-alt-name-1-from-Wiki-tp5864465p5865207.html
>>     <http://gis.19327.n5.nabble.com/Removing-name-1-and-alt-name-1-from-Wiki-tp5864465p5865207.html>
>>     Sent from the Tagging mailing list archive at Nabble.com.
>>
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