Struct map_model::Turn

pub struct Turn {
    pub id: TurnID,
    pub turn_type: TurnType,
    pub geom: PolyLine,
    pub other_crosswalk_ids: BTreeSet<TurnID>,
}

A Turn leads from the end of one Lane to the start of another. (Except for pedestrians; sidewalks are bidirectional.)

Fields

id: TurnID

turn_type: TurnType

geom: PolyLine

other_crosswalk_ids: BTreeSet<TurnID>

Empty except for TurnType::Crosswalk. Usually just one other ID, except for the case of 4 duplicates at a degenerate intersection.

Implementations

impl Turn

pub fn conflicts_with(&self, other: &Turn) -> bool

pub fn angle(&self) -> Angle

pub fn between_sidewalks(&self) -> bool

pub fn penalty(
    &self,
    constraints: PathConstraints,
    map: &Map
) -> (usize, usize, usize)

Penalties for (lane types, lane-changing, slow lane). The penalty may depend on the vehicle performing the turn. Lower means preferable.

pub fn is_crossing_arterial_intersection(&self, map: &Map) -> bool

pub(crate) fn permitted_by_lane(&self, map: &Map) -> bool

Is this turn legal, according to turn lane tagging?

pub(crate) fn permitted_by_road(&self, i: &Intersection, map: &Map) -> bool

Is this turn legal, according to turn restrictions defined between road segments?

Trait Implementations

impl Clone for Turn

fn clone(&self) -> Turn

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Turn

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Turn

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl PartialEq<Turn> for Turn

fn eq(&self, other: &Turn) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Turn) -> bool

This method tests for !=.

impl Serialize for Turn

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Turn