access=no seems ignored

[Jakob Mühldorfer]

As you can see here
http://brouter.de/brouter-web/#zoom=16&lat=50.98987&lon=13.63774&layer=OpenStreetMap&lonlats=13.641661,50.993514|13.63413,50.985606&nogos=&profile=trekking&alternativeidx=0&format=geojson

The trekking profile ignores the access tag

Can I check why?

[Jakob Mühldorfer]

For some reason it thinks bikeaccess is true

assign bikeaccess =

       if nodeaccessgranted then true

       else if bicycle= then

       (

         if vehicle= then defaultaccess

         else not vehicle=private|no

       )

       else not bicycle=private|no|dismount  

[Poutnik]

in absence of bicycle=* tag,
bicycle=private|no|dismount is always false
and
not bicycle=private|no|dismount is always true


Dne 22/10/2016 v 00:01 Jakob Mühldorfer napsal(a):
> Somethign does not add up here
> when a way has no bicycle= tag, the " else not
> bicycle=private|no|dismount" part can never be true?
> it should go to defaultaccess in this case?
>


--
Poutnik ( The Wanderer )

My Brouter profiles
https://github.com/poutnikl/Brouter-profiles/wiki

[Poutnik]

Correction,
if no bicycle tag there,
the branch else not bicycle=private|no|dismount is not evaluated.
but evaluated is

(
if vehicle= then defaultaccess
else not vehicle=private|no
)

[Jakob Mühldorfer]

Ok I added "vehicle=destination" and now it works

[Poutnik]

There is no access=no tag

WayTags

highway=residential

highway=service access=private foot=private vehicle=destination

highway=service access=private foot=private vehicle=destination

reversedirection=yes highway=unclassified

reversedirection=yes highway=unclassified

highway=service

highway=footway

default access is false
But is is used only if there is no vehicle nor bicycle tag
vehicle tag is destination, so neither default access nor explicit no access is used

assign defaultaccess =
       if access= then not motorroad=yes
       else if access=private|no then false
       else true

#
# calculate logical bike access
#
assign bikeaccess =
       if any_cycleroute then true

       else if bicycle= then
       (
         if vehicle= then defaultaccess
         else not vehicle=private|no
       )
       else not bicycle=private|no|dismount

Dne 21/10/2016 v 23:50 Jakob Mühldorfer napsal(a):

[Poutnik]

IMHO the profile is OK.
Perhaps destination access
should have penalty to be used if the only option.

Dne 22/10/2016 v 00:26 Jakob Mühldorfer napsal(a):

> Ok I added "vehicle=destination" and now it works

[Jakob Mühldorfer]

Unfortunately in this case "destination" you can go to is the middle of the train station, where you absolutely may not go

[Poutnik]

As if vehicle=destination then all vehicles including bicycle ( as there is no explicit bicycle tag )
have allowed access to reach the place, but are not allowed to go through.
If the access is forbidden, vehicle=destination is wrong value.

With given tagging, bikeaccess=true is perfectly valid,
but should be managed by high costfactor
for driving through to be avoided, but still available as destination.

That is for exact law view.
For practical view, breaking no driving through
is less critical for bicycles than for motor vehicles.

Dne 22/10/2016 v 06:48 poutnik napsal(a):

Then it is not tagged properly and should be edited in OSM.

22. října 2016 3:27:45 CEST, "Jakob Mühldorfer" <jmuehl...@gmail.com> napsal:

Unfortunately in this case "destination" you can go to is the middle of the train station, where you absolutely may not go

[Arndt Brenschede]

I would say the tagging is wrong.

If foot-access is private, vehicle-access should be private as well. It's true that brouter cannot handle a "destination" value as designed, in the sense of using it only for immediate access to your destination. But I think that's not the issue here.

Access tags have a hirachy, so already the foot=private is redundant in this example, because it is implied by access=private. So it should be tagged only with "access=private" and then all access is private.