[Talk-us] script for adding layer=1 to bridges

Anthony osm at inbox.org
Fri Jan 29 04:18:27 GMT 2010


On Thu, Jan 28, 2010 at 9:39 PM, Dale Puch <dale.puch at gmail.com> wrote:

> On Thu, Jan 28, 2010 at 7:53 PM, Anthony <osm at inbox.org> wrote:
>
>> On Thu, Jan 28, 2010 at 7:39 PM, Dale Puch <dale.puch at gmail.com> wrote:
>>
>>> Is it just a (very wide) road above?  (layer 0)  The road above would be
>>> Bridge=yes layer=1
>>> Is it building or park above (with or without roads)?  Tunnel=yes
>>> layer=-1 and the stuff above would be layer 0
>>>
>>
>> I'm not sure which is in the picture, but the one with Chestnut Street is
>> interesting.
>> http://www.openstreetmap.org/edit?lat=39.947699&lon=-75.141691&zoom=18&layers=B000FTF
>>
>> If you're going to put I-95 at layer=-1 (which I suppose you have to do
>> due to the park), then I think Chestnut Street is a good candidate for
>> layer=0 and bridge=yes.  Then I guess you'd have to split Chestnut Street
>> before it crosses Columbus and make it bridge=yes layer=1.
>>
>> Alternatively, I guess you could make the whole thing bridge=yes and
>> layer=1.  I don't really like either solution though.  Putting layer tags on
>> ways seems inadequate to handle this.
>>
>
> Why make it a bridge at all.  It is layer 0...  If you have a tunnel (I-95)
> you do not need a bridge to cross it.
>

There wasn't "a tunnel" until they built the bridge, just a trench.
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