It's much simpler than that:
Each of your section can consist of several ways in osm. Each way will
have its own attributes( we call them tags, which are key=value pairs).
But then all ways can be member of single relation, your route.
Incidentally these relation have type=route in OSM.
Just like this relation :
http://www.openstreetmap.org/browse/relation/2903733
Whose members are :
http://www.openstreetmap.org/browse/way/202847037 (with attributes
highway=track, network=nwn)
http://www.openstreetmap.org/browse/way/202847040 (with attribute
highway=track only)
You can find a lot of hiking routes from
http://www.waymarkedtrails.org/en/#routes
Yves
On 10/23/2013 10:52 PM, Jukka Rahkonen wrote:
Hi,
Sounds like linear referencing and dynamic segmentation. Something to read
about that
http://elogeo.nottingham.ac.uk/xmlui/bitstream/handle/url/166/iCarto.pdf?sequence=1
This is heavy GIS. The OSM method is to split the way to as many sections
as needed so that each segment has the same set of tags and constant
values for all the tags.
-Jukka Rahkonen-
AccessibilityGuide wrote:
Hi
I have the following requirement for a new software project:
Given a way, for example a hiking route, I'd like to attach some
attributes to this way. But the attributes should not apply to the
entire way but only a section of the way. The sections can even overlap,
like multiple layers of metadata per way.
The following example hopefully clarifies what I mean:
Given a 10km long way, the following attributes should be applied -
Section [0km - 5km]: Attribute A (Value X)
- Section [5km - 10km]: Attribute A (Value Y)
- Section [2km - 8km]: Attribute B (Value F)
Is this already possible with OpenStreetMap? If not I'm willing to
contribute a professional developer to make an implementation proposal
for this functionality. Would this be appreciated and would it be useful
for others too?
Thanks a lot for your answers!!
Feel free to ask me if something is not clear yet.
Kind regards,
Julian
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