When I first see tower:type I think of how it is constructed .. not its
function.
So for me it should be tower:function=*
The value 'suspension' could be for rope or wire ...
If wire it could be for a cable car, hauling logs, transmission of
information (even fibre optic cable), transmission of electrical energy,
...
This value may suit the mapper who cannot identify what the actual
function is .. but it would need sub tags to further specify the
function ('type').
On 23/06/18 23:44, [email protected] wrote:
Not in any way involved with power mapping, but I don’t think
tower:type should have necessarily any implications about what it is
that’s being transmitted over the suspended cables.
In the specific case of power=tower, while I guess
tower:type=suspension might be considered the “default” value, the
default, still needs to be a “defined” value. Tagging of
tower:type=suspension can then be a way to indicate that someone
actually looked at it and made a determination in regards to what type
of tower it is, while the absence of the tag means that while it
probably is a suspension tower, no body has looked close enough to
make sure yet.
As for the wiki page, it should probably show the same information
that https://wiki.openstreetmap.org/wiki/Key:tower:type shows for
tower:type=suspension, that is:
“A tower which supports the conductors vertically using suspension
insulators. This is the default type and need not be tagged. However
it may be useful to tag a suspension tower if it is used as an angle
tower (an anchor tower would normally be expected here)”.
*From:*Martin Koppenhoefer <[email protected]>
*Sent:* Saturday, 23 June 2018 23:24
*To:* Tag discussion, strategy and related tools
<[email protected]>
*Subject:* [Tagging] tower:type=suspension
One of the most used values for tower:type is "suspension". Is this an
alternative way of saying power=tower or is there more behind it?
If you can provide information, please amend the wiki page stub:
https://wiki.openstreetmap.org/wiki/Tag:tower:type%3Dsuspension
Cheers,
Martin
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