[OSM-talk] Turn restriction docs

[Erik Johansson]

On Sat, Nov 29, 2008 at 5:58 PM, Ed Loach <ed at loach.me.uk> wrote:
> Erik wrote:
>> I've been looking at the 100 or so turn restrictions[1] in use,
> http://www.openstreetmap.org/api/0.5/relations/search?type=type&value=restriction
>
> seems to omit at least the no_right_turn restriction I added in Clacton -
> relation 31496

It's actually 100 relations exactly, so it's apparently 100 relations
per search.:
http://wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.5#Searching_for_Objects_by_Tag


But using OSM XAPI I still get results that differ from Nics.

#curl -gl  http://osmxapi.hypercube.telascience.org/api/0.5/relation[type=restriction]
|tee restriction|grep '<relation' |wc -l
    1916

# sed 's/.*<relation.*/relation/;s/.*role=.via..*/via/;
>t
>d' restrictions |uniq -c|grep -v 1|grep via|wc -l
      20

# grep '<relation' restrictions  |wc -l
    1916

# grep "tag k='restriction"  restrictions|sort |uniq -c |sort -rn
 705     <tag k='restriction' v='no_left_turn'/>
 503     <tag k='restriction' v='no_right_turn'/>
 230     <tag k='restriction' v='only_right_turn'/>
  93     <tag k='restriction' v='only_straight_on'/>
  56     <tag k='restriction' v='no_u_turn'/>
  48     <tag k='restriction' v='only_left_turn'/>
  39     <tag k='restriction' v='no_straight_on'/>
  14     <tag k='restriction' v='only_turn_right'/>
   8     <tag k='restriction' v='no_turn_left'/>
   5     <tag k='restriction' v='only_turn_left'/>
   5     <tag k='restriction' v='only_left_right'/>
   5     <tag k='restriction' v='no_entry'/>
   4     <tag k='restriction' v='permissive'/>
   4     <tag k='restriction' v='only_right'/>
   3     <tag k='restriction' v='only_straigt_on'/>
   3     <tag k='restriction' v='only_straight'/>