<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `sim` crate."><metaname="keywords"content="rust, rustlang, rust-lang, sim"><title>sim - Rust</title><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../ayu.css"disabled><scriptsrc="../storage.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="shortcut icon"href="../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../sim/index.html'><divclass='logo-container rust-logo'><imgsrc='../rust-logo.png'alt='logo'></div></a><pclass='location'>Crate sim</p><divclass='block version'><p>Version 0.1.0</p></div><divclass="sidebar-elems"><aid='all-types'href='all.html'><p>See all sim's items</p></a><divclass="block items"><ul><li><ahref="#modules">Modules</a></li><li><ahref="#structs">Structs</a></li><li><ahref="#enums">Enums</a></li><li><ahref="#constants">Constants</a></li><li><ahref="#traits">Traits</a></li></ul></div><pclass='location'></p><script>window.sidebarCurrent={name:'sim',ty:'mod',relpath:'../'};</script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../theme.js"></script><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"disabledautocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><spanclass="help-button">?</span>
<aid="settings-menu"href="../settings.html"><imgsrc="../wheel.svg"width="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class='fqn'><spanclass='out-of-band'><spanid='render-detail'><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass='inner'>−</span>]</a></span><aclass='srclink'href='../src/sim/lib.rs.html#1-670'title='goto source code'>[src]</a></span><spanclass='in-band'>Crate <aclass="mod"href=''>sim</a></span></h1><divclass='docblock'><p>The sim crate runs a traffic simulation on top of the map_model. See also
<table><trclass='module-item'><td><aclass="mod"href="analytics/index.html"title='sim::analytics mod'>analytics</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="mod"href="cap/index.html"title='sim::cap mod'>cap</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="mod"href="events/index.html"title='sim::events mod'>events</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="mod"href="make/index.html"title='sim::make mod'>make</a></td><tdclass='docblock-short'><p>Everything needed to setup a simulation.
<ahref="https://dabreegster.github.io/abstreet/trafficsim/travel_demand.html">https://dabreegster.github.io/abstreet/trafficsim/travel_demand.html</a> for context.</p>
</td></tr><trclass='module-item'><td><aclass="mod"href="mechanics/index.html"title='sim::mechanics mod'>mechanics</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="mod"href="pandemic/index.html"title='sim::pandemic mod'>pandemic</a></td><tdclass='docblock-short'><p>An experimental SEIR model by https://github.com/omalaspinas/ glued to the traffic simulation.
Transmission may occur when people spend time in shared spaces like buildings, bus stops, and
buses.</p>
</td></tr><trclass='module-item'><td><aclass="mod"href="render/index.html"title='sim::render mod'>render</a></td><tdclass='docblock-short'><p>Intermediate structures so that sim and game crates don't have a cyclic dependency.</p>
</td></tr><trclass='module-item'><td><aclass="mod"href="router/index.html"title='sim::router mod'>router</a></td><tdclass='docblock-short'><p>For vehicles only, not pedestrians. Follows a Path from map_model, but can opportunistically
lane-change to avoid a slow lane, can can handle re-planning to look for available parking.</p>
<table><trclass='module-item'><td><aclass="struct"href="struct.AgentProperties.html"title='sim::AgentProperties struct'>AgentProperties</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.Analytics.html"title='sim::Analytics struct'>Analytics</a></td><tdclass='docblock-short'><p>As a simulation runs, different pieces emit Events. The Analytics object listens to these,
organizing and storing some information from them. The UI queries Analytics to draw time-series
and display statistics.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.BorderSpawnOverTime.html"title='sim::BorderSpawnOverTime struct'>BorderSpawnOverTime</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.CarID.html"title='sim::CarID struct'>CarID</a></td><tdclass='docblock-short'><p>The numeric ID must be globally unique, without considering VehicleType. VehicleType is bundled
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.CommutersVehiclesCounts.html"title='sim::CommutersVehiclesCounts struct'>CommutersVehiclesCounts</a></td><tdclass='docblock-short'><p>The number of active vehicles and commuters, broken into different categories.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.CreateCar.html"title='sim::CreateCar struct'>CreateCar</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.CreatePedestrian.html"title='sim::CreatePedestrian struct'>CreatePedestrian</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.DistanceInterval.html"title='sim::DistanceInterval struct'>DistanceInterval</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.DrawCarInput.html"title='sim::DrawCarInput struct'>DrawCarInput</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.DrawPedCrowdInput.html"title='sim::DrawPedCrowdInput struct'>DrawPedCrowdInput</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.DrawPedestrianInput.html"title='sim::DrawPedestrianInput struct'>DrawPedestrianInput</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.ExternalPerson.html"title='sim::ExternalPerson struct'>ExternalPerson</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.ExternalTrip.html"title='sim::ExternalTrip struct'>ExternalTrip</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.IndividTrip.html"title='sim::IndividTrip struct'>IndividTrip</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.OffMapLocation.html"title='sim::OffMapLocation struct'>OffMapLocation</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.OrigPersonID.html"title='sim::OrigPersonID struct'>OrigPersonID</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.ParkedCar.html"title='sim::ParkedCar struct'>ParkedCar</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.PedestrianID.html"title='sim::PedestrianID struct'>PedestrianID</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.Person.html"title='sim::Person struct'>Person</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.PersonID.html"title='sim::PersonID struct'>PersonID</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.PersonSpec.html"title='sim::PersonSpec struct'>PersonSpec</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.Scenario.html"title='sim::Scenario struct'>Scenario</a></td><tdclass='docblock-short'><p>A Scenario describes all the input to a simulation. Usually a scenario covers one day.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.ScenarioGenerator.html"title='sim::ScenarioGenerator struct'>ScenarioGenerator</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.SidewalkSpot.html"title='sim::SidewalkSpot struct'>SidewalkSpot</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.Sim.html"title='sim::Sim struct'>Sim</a></td><tdclass='docblock-short'><p>The Sim ties together all the pieces of the simulation. Its main property is the current time.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.SimFlags.html"title='sim::SimFlags struct'>SimFlags</a></td><tdclass='docblock-short'><p>SimFlags specifies a simulation to setup.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.SimOptions.html"title='sim::SimOptions struct'>SimOptions</a></td><tdclass='docblock-short'><p>Options controlling the traffic simulation.</p>
</td></tr><trclass='module-item'><td><aclass="struct"href="struct.SpawnOverTime.html"title='sim::SpawnOverTime struct'>SpawnOverTime</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.TimeInterval.html"title='sim::TimeInterval struct'>TimeInterval</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.TripID.html"title='sim::TripID struct'>TripID</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.TripInfo.html"title='sim::TripInfo struct'>TripInfo</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.TripPhase.html"title='sim::TripPhase struct'>TripPhase</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="struct"href="struct.TripSpawner.html"title='sim::TripSpawner struct'>TripSpawner</a></td><tdclass='docblock-short'><p>This structure is created temporarily by a Scenario or to interactively spawn agents.</p>
<table><trclass='module-item'><td><aclass="enum"href="enum.AgentID.html"title='sim::AgentID enum'>AgentID</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.AgentType.html"title='sim::AgentType enum'>AgentType</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.AlertHandler.html"title='sim::AlertHandler enum'>AlertHandler</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.AlertLocation.html"title='sim::AlertLocation enum'>AlertLocation</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.CarStatus.html"title='sim::CarStatus enum'>CarStatus</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.DrivingGoal.html"title='sim::DrivingGoal enum'>DrivingGoal</a></td><tdclass='docblock-short'><p>It'd be nice to inline the goal_pos like SidewalkSpot does, but DrivingGoal is persisted in
Scenarios, so this wouldn't survive map edits.</p>
</td></tr><trclass='module-item'><td><aclass="enum"href="enum.ExternalTripEndpoint.html"title='sim::ExternalTripEndpoint enum'>ExternalTripEndpoint</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.OriginDestination.html"title='sim::OriginDestination enum'>OriginDestination</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.ParkingSpot.html"title='sim::ParkingSpot enum'>ParkingSpot</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.PedCrowdLocation.html"title='sim::PedCrowdLocation enum'>PedCrowdLocation</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.PersonState.html"title='sim::PersonState enum'>PersonState</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.ScenarioModifier.html"title='sim::ScenarioModifier enum'>ScenarioModifier</a></td><tdclass='docblock-short'><p>Transforms an existing Scenario before instantiating it.</p>
</td></tr><trclass='module-item'><td><aclass="enum"href="enum.SidewalkPOI.html"title='sim::SidewalkPOI enum'>SidewalkPOI</a></td><tdclass='docblock-short'><p>Point of interest, that is</p>
</td></tr><trclass='module-item'><td><aclass="enum"href="enum.SpawnTrip.html"title='sim::SpawnTrip enum'>SpawnTrip</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.TripEndpoint.html"title='sim::TripEndpoint enum'>TripEndpoint</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.TripMode.html"title='sim::TripMode enum'>TripMode</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.TripPhaseType.html"title='sim::TripPhaseType enum'>TripPhaseType</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="enum"href="enum.TripPurpose.html"title='sim::TripPurpose enum'>TripPurpose</a></td><tdclass='docblock-short'><p>Lifted from Seattle's Soundcast model, but seems general enough to use anyhere.</p>
<table><trclass='module-item'><td><aclass="constant"href="constant.BIKE_LENGTH.html"title='sim::BIKE_LENGTH constant'>BIKE_LENGTH</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="constant"href="constant.BUS_LENGTH.html"title='sim::BUS_LENGTH constant'>BUS_LENGTH</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="constant"href="constant.FOLLOWING_DISTANCE.html"title='sim::FOLLOWING_DISTANCE constant'>FOLLOWING_DISTANCE</a></td><tdclass='docblock-short'><p>At all speeds (including at rest), cars must be at least this far apart, measured from front of
one car to the back of the other.</p>
</td></tr><trclass='module-item'><td><aclass="constant"href="constant.LIGHT_RAIL_LENGTH.html"title='sim::LIGHT_RAIL_LENGTH constant'>LIGHT_RAIL_LENGTH</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="constant"href="constant.MAX_CAR_LENGTH.html"title='sim::MAX_CAR_LENGTH constant'>MAX_CAR_LENGTH</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="constant"href="constant.MIN_CAR_LENGTH.html"title='sim::MIN_CAR_LENGTH constant'>MIN_CAR_LENGTH</a></td><tdclass='docblock-short'></td></tr><trclass='module-item'><td><aclass="constant"href="constant.SPAWN_DIST.html"title='sim::SPAWN_DIST constant'>SPAWN_DIST</a></td><tdclass='docblock-short'><p>When spawning at borders, start the front of the vehicle this far along and gradually appear.
Getting too close to EPSILON_DIST can lead to get_draw_car having no geometry at all.</p>
