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osrm-backend/features/guidance/anticipate-lanes.feature
Daniel J. Hofmann d53c267129
Be more aggresive classifying Roundabout Intersections. 
Roundabout Intersections are roundabouts with up to four ways and turn
angles which makes the turns obvious, e.g. as in:

```
    *
    *
* *   * *
    *
    *
```

but not

```
     *
    *
* *   *
    * *
     * *
```

For Roundabout Intersections we issue instructions such as
"turn <direction>" instead of "take the <nth> exit".

At the moment we have a limit on the radius for these Roundabout
Intersections of 5 meters. Which fails to classify a wide range of
Roundabout Intersections in the US (with the US-wide streets).

This changeset removes the Roundabout Intersection radius limit:

- if the roundabout is larger than a threshold and is named we classify
  it as a rotary

- if the roundabout matches our criteria for Roundabout Intersections
  we classify it as a Roundabout Intersection

- else fallback to plain old Roundabout

There is a second issue with determining a roundabout's radius.
But that's for another pull request (tracking in #2716).

References:
- https://github.com/Project-OSRM/osrm-backend/issues/2716
2016-08-18 10:50:32 +02:00

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@routing @guidance @turn-lanes
Feature: Turn Lane Guidance
Background:
Given the profile "car"
Given a grid size of 20 meters
@anticipate
Scenario: Anticipate Lane Change for subsequent multi-lane intersections
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | |
And the ways
| nodes | turn:lanes:forward |
| ab | through\|right\|right\|right |
| bx | |
| bc | left\|left\|through |
| cd | through\|right |
| cy | |
| dz | |
| de | |
When I route I should get
| waypoints | route | turns | lanes | # |
| a,d | ab,bc,cd,cd | depart,turn right,turn left,arrive | ,straight:false right:true right:true right:false,left:true left:true straight:false, | 2 hops |
| a,e | ab,bc,cd,de,de | depart,turn right,turn left,turn right,arrive | ,straight:false right:false right:true right:false,left:false left:true straight:false,straight:false right:true, | 3 hops |
@anticipate
Scenario: Anticipate Lane Change for quick same direction turns, staying on the same street
Given the node map
| a | | b | x |
| | | | |
| | | c | |
| | | | |
| e | | d | y |
And the ways
| nodes | turn:lanes:forward | turn:lanes:backward | name |
| ab | through\|right\|right | | MySt |
| bx | | | XSt |
| bc | | left\|right | MySt |
| cd | left\|right | through\|through | MySt |
| de | | left\|left\|through | MySt |
| dy | | | YSt |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | MySt,MySt,MySt,MySt | depart,continue right,turn right,arrive | ,straight:false right:false right:true,left:false right:true, |
| e,a | MySt,MySt,MySt,MySt | depart,continue left,turn left,arrive | ,left:true left:false straight:false,left:true right:false, |
@anticipate
Scenario: Anticipate Lane Change for quick same direction turns, changing between streets
Given the node map
| a | | b | x |
| | | | |
| | | c | |
| | | | |
| e | | d | y |
And the ways
| nodes | turn:lanes:forward | turn:lanes:backward | name |
| ab | through\|right\|right | | AXSt |
| bx | | | AXSt |
| bc | | left\|right | BDSt |
| cd | left\|right | through\|through | BDSt |
| de | | left\|left\|through | EYSt |
| dy | | | EYSt |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | AXSt,BDSt,EYSt,EYSt | depart,turn right,turn right,arrive | ,straight:false right:false right:true,left:false right:true, |
| e,a | EYSt,BDSt,AXSt,AXSt | depart,turn left,turn left,arrive | ,left:true left:false straight:false,left:true right:false, |
@anticipate
Scenario: Anticipate Lane Change for quick turns during a merge
Given the node map
| a | | | | |
| x | b | | c | y |
| | | | | d |
And the ways
| nodes | turn:lanes:forward | name | highway | oneway |
| ab | slight_left\|slight_left | On | motorway_link | yes |
| xb | | Hwy | motorway | |
| bc | through\|slight_right | Hwy | motorway | |
| cd | | Off | motorway_link | yes |
| cy | | Hwy | motorway | |
When I route I should get
| waypoints | route | turns | lanes |
| a,d | On,Hwy,Off,Off | depart,merge slight right,off ramp right,arrive | ,slight left:false slight left:true,straight:false slight right:true, |
@anticipate
Scenario: Schoenefelder Kreuz
# https://www.openstreetmap.org/way/264306388#map=16/52.3202/13.5568
Given the node map
| a | b | x | | | i |
| | | c | d | | |
| | | | | | j |
And the ways
| nodes | turn:lanes:forward | lanes | highway | oneway | name |
| ab | none\|none\|none\|slight_right\|slight_right | 5 | motorway | | abx |
| bx | | 3 | motorway | | abx |
| bc | | 2 | motorway_link | yes | bcd |
| cd | slight_left\|slight_left;slight_right\|slight_right | 3 | motorway_link | yes | bcd |
| di | slight_left\|slight_right | 2 | motorway_link | yes | di |
| dj | | 2 | motorway_link | yes | dj |
When I route I should get
| waypoints | route | turns | lanes |
| a,i | abx,bcd,di,di | depart,off ramp right,fork slight left,arrive | ,none:false none:false none:false slight right:true slight right:true,slight left:true slight left;slight right:true slight right:false, |
| a,j | abx,bcd,dj,dj | depart,off ramp right,fork slight right,arrive | ,none:false none:false none:false slight right:true slight right:true,slight left:false slight left;slight right:true slight right:true, |
@anticipate
Scenario: Kreuz Oranienburg
# https://www.openstreetmap.org/way/4484007#map=18/52.70439/13.20269
Given the node map
| i | | | | | a |
| j | | c | b | | x |
And the ways
| nodes | turn:lanes:forward | lanes | highway | oneway | name |
| ab | | 1 | motorway_link | yes | ab |
| xb | | 1 | motorway_link | yes | xbcj |
| bc | none\|slight_right | 2 | motorway_link | yes | xbcj |
| ci | | 1 | motorway_link | yes | ci |
| cj | | 1 | motorway_link | yes | xbcj |
When I route I should get
| waypoints | route | turns | lanes |
| a,i | ab,ci,ci | depart,turn slight right,arrive | ,none:false slight right:true, |
| a,j | ab,xbcj | depart,arrive | , |
@anticipate
Scenario: Lane anticipation for fan-in
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | |
And the ways
| nodes | turn:lanes:forward | name |
| ab | through\|right\|right\|right | abx |
| bx | | abx |
| bc | left\|left\|through | bcy |
| cy | | bcy |
| cd | through\|right | cdz |
| dz | | cdz |
| de | | de |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | abx,bcy,cdz,de,de | depart,turn right,turn left,turn right,arrive | ,straight:false right:false right:true right:false,left:false left:true straight:false,straight:false right:true, |
@anticipate
Scenario: Lane anticipation for fan-out
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | |
And the ways
| nodes | turn:lanes:forward | name |
| ab | through\|right | abx |
| bx | | abx |
| bc | left\|left\|through | bcy |
| cy | | bcy |
| cd | through\|right\|right\|right | cdz |
| dz | | cdz |
| de | | de |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | abx,bcy,cdz,de,de | depart,turn right,turn left,turn right,arrive | ,straight:false right:true,left:true left:true straight:false,straight:false right:true right:true right:true, |
@anticipate
Scenario: Lane anticipation for fan-in followed by fan-out
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | |
And the ways
| nodes | turn:lanes:forward | name |
| ab | through\|right\|right\|right | abx |
| bx | | abx |
| bc | left\|left\|through | bcy |
| cy | | bcy |
| cd | through\|right\|right\|right | cdz |
| dz | | cdz |
| de | | de |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | abx,bcy,cdz,de,de | depart,turn right,turn left,turn right,arrive | ,straight:false right:true right:true right:false,left:true left:true straight:false,straight:false right:true right:true right:true, |
@anticipate
Scenario: Lane anticipation for fan-out followed by fan-in
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | |
And the ways
| nodes | turn:lanes:forward | name |
| ab | through\|right | abx |
| bx | | abx |
| bc | left\|left\|through | bcy |
| cy | | bcy |
| cd | through\|right | cdz |
| dz | | cdz |
| de | | de |
When I route I should get
| waypoints | route | turns | lanes |
| a,e | abx,bcy,cdz,de,de | depart,turn right,turn left,turn right,arrive | ,straight:false right:true,left:false left:true straight:false,straight:false right:true, |
@anticipate
Scenario: Lane anticipation for multiple hops with same number of lanes
Given the node map
| a | | b | | x | | |
| | | | | | | |
| | | c | | d | | z |
| | | | | | | |
| | | y | | e | | f |
| | | | | | | |
| | | | | w | | |
And the ways
| nodes | turn:lanes:forward | name |
| ab | through\|right\|right\|right | abx |
| bx | | abx |
| bc | left\|left\|through | bcy |
| cy | | bcy |
| cd | through\|right\|right | cdz |
| dz | | cdz |
| de | left\|through | dew |
| ew | | dew |
| ef | | ef |
When I route I should get
| waypoints | route | turns | lanes |
| a,f | abx,bcy,cdz,dew,ef,ef | depart,turn right,turn left,turn right,turn left,arrive | ,straight:false right:false right:true right:false,left:false left:true straight:false,straight:false right:true right:false,left:true straight:false, |
@anticipate @todo @bug @2661
Scenario: Anticipate with lanes in roundabout: roundabouts as the unit of anticipation
Given the node map
| | | e | | |
| a | b | | d | f |
| | | c | | |
| | | | | |
| | | g | | |
| k | h | | j | l |
| | | i | | |
And the ways
| nodes | turn:lanes:forward | highway | junction | # |
| ab | slight_right\|slight_right\|slight_right | primary | | |
| bc | slight_left\|slight_right\|slight_right | primary | roundabout | top |
| cd | | primary | roundabout | top |
| de | | primary | roundabout | top |
| eb | | primary | roundabout | top |
| df | | primary | | |
| cg | slight_right\|slight_right | primary | | |
| gh | slight_left\|slight_right | primary | roundabout | bot |
| hi | | primary | roundabout | bot |
| ij | slight_left\|slight_right | primary | roundabout | bot |
| jg | | primary | roundabout | bot |
| hk | | primary | | |
| jl | | primary | | |
When I route I should get
| # | waypoints | route | turns | lanes |
| right-right | a,k | ab,cg,hk,hk | depart,roundabout-exit-1,roundabout-exit-1,arrive | ,slight right:false slight right:false slight right:true,slight right:false slight right:true, |
| right-left | a,l | ab,cg,jl,jl | depart,roundabout-exit-1,roundabout-exit-2,arrive | ,slight right:false slight right:false slight right:true,slight right:false slight right:true, |
| todo exits | a,f | ab,df,df | depart,roundabout-exit-2,arrive | ,slight right:false slight right:false slight right:true, |
| todo exits | a,e | ab,bc,eb | depart,roundabout-exit-undefined,arrive | ,slight right:true slight right:true slight right:true, |
@anticipate @todo
Scenario: Roundabout with lanes only tagged on exit
Given the node map
| | | e | | |
| a | b | | d | f |
| | | c | | |
And the ways
| nodes | turn:lanes:forward | highway | junction |
| ab | | primary | |
| bc | | primary | roundabout |
| cd | slight_left\|slight_left\|slight_right | primary | roundabout |
| de | | primary | roundabout |
| eb | | primary | roundabout |
| df | | primary | |
When I route I should get
| waypoints | route | turns | lanes |
| a,f | ab,df,df | depart,roundabout-exit-1,use lane slight right,arrive | ,,slight left:false slight left:false slight right:true, |
@anticipate
Scenario: No Lanes for Roundabouts, see #2626
Given the node map
| | | a | | |
| | | b | | |
| | c | | g | h |
| | | | | |
| | d | | f | |
| | | e | | |
| x | | | | y |
And the ways
| nodes | turn:lanes:forward | highway | junction |
| ab | slight_right\|slight_right | primary | |
| bc | | primary | roundabout |
| cd | | primary | roundabout |
| de | | primary | roundabout |
| ef | | primary | roundabout |
| fg | slight_right | primary | roundabout |
| gb | | primary | roundabout |
| gh | | primary | |
| cx | | primary | |
| dx | | primary | |
| ey | | primary | |
| fy | | primary | |
When I route I should get
| waypoints | route | turns | lanes |
| a,h | ab,gh,gh | depart,roundabout-exit-5,arrive | ,, |
@anticipate
Scenario: No Lanes for Roundabouts, see #2626
Given the node map
| | | a | | |
| x | b | | d | y |
| | | c | | |
And the ways
| nodes | turn:lanes:forward | highway | junction | name |
| xb | slight_right\|slight_right | primary | | xb |
| dy | | primary | | dy |
| ab | | primary | roundabout | roundabout |
| bc | | primary | roundabout | roundabout |
| cd | left\|slight_right | primary | roundabout | roundabout |
| da | | primary | roundabout | roundabout |
When I route I should get
| waypoints | route | turns | lanes |
| x,y | xb,dy,dy | depart,roundabout-exit-1,arrive | ,, |
| x,c | xb,roundabout,roundabout | depart,roundabout-exit-undefined,arrive | ,, |
| x,a | xb,roundabout,roundabout | depart,roundabout-exit-undefined,arrive | ,, |
@anticipate
Scenario: No Lanes for Roundabouts, see #2626
Given the profile "lhs"
And the node map
| | | a | | |
| | | b | | |
| h | c | | g | |
| | | | | |
| | d | | f | |
| | | e | | |
| x | | | | y |
And the ways
| nodes | turn:lanes:forward | highway | junction |
| ab | slight_left\|slight_left | primary | |
| bg | | primary | roundabout |
| gf | | primary | roundabout |
| fe | | primary | roundabout |
| ed | | primary | roundabout |
| dc | slight_left | primary | roundabout |
| cb | | primary | roundabout |
| ch | | primary | |
| ex | | primary | |
| dx | | primary | |
| gy | | primary | |
| fy | | primary | |
When I route I should get
| waypoints | route | turns | lanes |
| a,h | ab,ch,ch | depart,roundabout-exit-5,arrive | ,, |
@anticipate
Scenario: No Lanes for Roundabouts, see #2626
Given the node map
| | | a | | |
| x | b | | d | y |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
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| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | c | | |
And the ways
| nodes | turn:lanes:forward | highway | junction | name |
| xb | slight_right\|slight_right | primary | | xb |
| dy | | primary | | dy |
| ab | | primary | roundabout | roundabout |
| bc | | primary | roundabout | roundabout |
| cd | left\|slight_right | primary | roundabout | roundabout |
| da | | primary | roundabout | roundabout |
When I route I should get
| waypoints | route | turns | lanes |
| x,y | xb,dy,dy | depart,roundabout-exit-1,arrive | ,, |
| x,c | xb,roundabout,roundabout | depart,roundabout-exit-undefined,arrive | ,, |
| x,a | xb,roundabout,roundabout | depart,roundabout-exit-undefined,arrive | ,, |
@anticipate
Scenario: No Lanes for Roundabouts, see #2626
Given the node map
| a | b | | | x |
| | c | | | |
| d | | f | g | z |
| | e | | h | |
| | | | | |
| | y | | | |
And the ways
| nodes | turn:lanes:forward | highway | junction | name |
| ab | through\|right\|right\|right\|right | primary | | abx |
| bx | | primary | | abx |
| bc | right\|right\|right\|right | primary | | bc |
| cd | | primary | roundabout | cdefc |
| de | slight_left\|slight_left&slight_left\|slight_right | primary | roundabout | cdefc |
| ef | left\|slight_right\|slight_right | primary | roundabout | cdefc |
| fc | | primary | roundabout | cdefc |
| ey | | primary | | ey |
| fg | through\|right | primary | | fg |
| gz | | primary | | gz |
| gh | | primary | | gh |
When I route I should get
| waypoints | route | turns | lanes |
| a,h | abx,bc,fg,gh,gh | depart,turn right,cdefc-exit-2,turn right,arrive | ,straight:false right:false right:false right:false right:true,,straight:false right:true, |
@anticipate @bug @todo
Scenario: Tripple Right keeping Left
Given the node map
| a | | | | b | | i |
| | | | | | | |
| | | | | | | |
| f | | e | | | | g |
| | | | | | | |
| | | | | | | |
| | j | d | | c | | |
| | | | | h | | |
And the ways
| nodes | turn:lanes:forward | highway | name |
| abi | \|\|right\|right | primary | start |
| bch | \|\|right\|right | primary | first |
| cdj | \|\|right\|right | primary | second |
| de | left\|right\|right | secondary | third |
| feg | | tertiary | fourth |
When I route I should get
| waypoints | route | turns | lanes |
| a,f | start,first,second,third,fourth,fourth | depart,turn right,turn right,turn right,end of road left,arrive | ,none:false none:true right:false right:false,none:false none:true right:false right:false,none:false none:true right:false right:false,left:true right:false right:false, |
| a,g | start,first,second,third,fourth,fourth | depart,turn right,turn right,turn right,end of road right,arrive | ,none:false none:false right:true right:true,none:false none:false right:true right:true,none:false none:false right:true right:true,left:false right:true right:true, |
@anticipate @bug @todo
Scenario: Tripple Left keeping Right
Given the node map
| i | | b | | | | a |
| | | | | | | |
| | | | | | | |
| g | | | | e | | f |
| | | | | | | |
| | | | | | | |
| | | c | | d | j | |
| | | h | | | | |
And the ways
| nodes | turn:lanes:forward | highway | name |
| abi | left\|left\|\| | primary | start |
| bch | left\|left\|\| | primary | first |
| cdj | left\|left\|\| | primary | second |
| de | left\|left\|right | secondary | third |
| feg | | tertiary | fourth |
When I route I should get
| waypoints | route | turns | lanes |
| a,f | start,first,second,third,fourth,fourth | depart,turn left,turn left,turn left,end of road right,arrive | ,left:false left:false none:true none:false,left:false left:false none:true none:false,left:false left:false none:true none:false,left:false left:false right:true, |
| a,g | start,first,second,third,fourth,fourth | depart,turn left,turn left,turn left,end of road left,arrive | ,left:true left:true none:false none:false,left:true left:true none:false none:false,left:true left:true none:false none:false,left:true left:true right:false, |
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