The river profile is very simplistic. Waterways are routeble, if tagged
as canal or river or lock_gate. Other waterway values are forbidden.
Profiles can evaluate only such tag and tag values that are mentioned in
text datafile http://brouter.de/brouter/profiles2/lookups.dat
All water related tags and values I have found in lookups.dat are below.
If you provide someinside, I can suggest improvement.
But there is a big warning - I have high suspicion that OSM tag based
info related to waterways may be very unsufficient for water traffic,
compared to various water sport guides and specialized maps.
---OSM ways context------
seamark:type;0001564 recommended_track
seamark:type;0000522 fairway
waterway;0000016046 river
waterway;0000009496 canal
waterway;0000007876 riverbank
waterway;0000002202 weir
waterway;0000001364 dam
waterway;0000000386 lock
waterway;0000000321 tidal_flat_slough
waterway;0000000179 wadi
waterway;0000000126 dock
waterway;0000000113 fish_pass
waterway;0000000086 boatyard
waterway;0000000071 fairway
waterway;0000000059 lock_gate
boat;0000019888 no
boat;0000002718 yes
boat;0000000232 private
boat;0000000064 permissive
boat;0000000045 designated
motorboat;0000001077 yes
motorboat;0000000808 no
motorboat;0000000025 private privat
route;0000000194 canoe
--- OSM node context ----
waterway;0000004698 weir
waterway;0000001647 lock_gate
waterway;0000000425 waterfall
waterway;0000000337 take_right_side
waterway;0000000332 take_left_side
waterway;0000000219 milestone
waterway;0000000187 depth
waterway;0000000170 lock
ford;0000037927 yes
ford;0000000310 stepping_stones
On 08/31/2016 01:02 PM, 'P Wat' via Osmand wrote:
Thanks for your lightning-fast reply! - Content understood.
Analysing and improving the profile would be beyond my "retired IT
person's" experience.
Do you know who wrote the "River" profile - Perhaps they would be keen
to improve it?
Does anyone else out there feel like examining this?
Cheers
PaulW
=================
On Wednesday, August 31, 2016 at 11:40:58 AM UTC+1, Poutnik wrote:
I cannot say much more. AFAIK it is rather experimental profile
and it's setting is simple, probably what is a water object is
routeable. Finer details are not addressed.
You can analyze the profile content and aventually improve it by
additional logic based on water related osm tagging.
31. srpna 2016 12:36:01 CEST, 'P Wat' via Osmand
<[email protected]> napsal:
Thank you Poutnik for your input.
After some false starts then trial and error, "River" mode now
functioning OK, but ....
Some of the routes presented by Brouter-River-mode/Osmand are
un-navigable.
For example, checking stretches of the River Thames known to me:-
(Pic1) This route is shown going over the weir rather than
through the lock. 51.559888, -0.873266.
(Pic2) Shows a navigable route via a lock, not over the weir.
51.567255, -0.76882.
(Pic3) This absurd route is via minor streams and ditches.
Should go south from 51.432725, -0.515320, not north.
(Pic4) = Road map of Pic3.
Several similar instances already found elsewhere.
These anomalies would make route-planning in "foreign" waters,
seriously flawed!
Is this caused by the "River" algorithm?
Regards
Paul W
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