[Tagging] How to tag high water marks (flood marks)?

Marc Gemis marc.gemis at gmail.com
Wed Jul 20 05:50:01 UTC 2016


On Wed, Jul 20, 2016 at 6:42 AM, Filip Mleczek <filio321 at gmail.com> wrote:
> How to describe whether it is left or the right bank of the river?
> Can I use riverbank=left/right?
> Or better will be riverbank:side=left/right?
>
> Water mile https://en.wikipedia.org/wiki/River_mile is waterway:kilometer?
>
> How to describe distance from the river?

isn't this information already available when you measure the distance
and position from the marker node to the way representing the river ?
OSM is a geographical database, and e.g. Postgis will allow you to do
certain queries based on the coordinates of the objects. There is no
need to explicitly add information like distance. You can compute this
from the coordinates of the objects
To determine left/right bank you will also need the direction of the
way representing the river.

Perhaps you need a relation with the marker and the river to indicate
that the marker is for that particular river. When there are many
rivers/streams/... in an area this might not be obvious without an
explicit relation containing both elements.

So, IMHO, you should not add tags for riverbank=left/right nor
waterway:kilometer.

regards

m



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