<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `map_model/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> <link rel="alternate icon" 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Importing a map from OSM partly happens</span> <span class="doccomment">//! in `convert_osm` and here.</span> <span class="doccomment">//!</span> <span class="doccomment">//! Helpful terminology:</span> <span class="doccomment">//! - ch = contraction hierarchy, for speeding up pathfinding</span> <span class="doccomment">//! - degenerate intersection = only has 2 roads connected, so why is it an intersection at all?</span> <span class="doccomment">//! - lc = lane-change (which is modelled very strangely: <https://a-b-street.github.io/docs/trafficsim/discrete_event.html#lane-changing>)</span> <span class="doccomment">//! - ltr = left-to-right, the order of lanes for a road</span> <span class="doccomment">//! - osm = OpenStreetMap</span> <span class="doccomment">//!</span> <span class="doccomment">//! Map objects are usually abbreviated in method names:</span> <span class="doccomment">//! - a = area</span> <span class="doccomment">//! - b = building</span> <span class="doccomment">//! - br = bus route</span> <span class="doccomment">//! - bs = bus stop</span> <span class="doccomment">//! - i = intersection</span> <span class="doccomment">//! - l = lane</span> <span class="doccomment">//! - pl = parking lot</span> <span class="doccomment">//! - r = road</span> <span class="doccomment">//! - ss = stop sign</span> <span class="doccomment">//! - t = turn</span> <span class="doccomment">//! - ts = traffic signal</span> <span class="attribute">#[<span class="ident">macro_use</span>]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">anyhow</span>; <span class="attribute">#[<span class="ident">macro_use</span>]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">log</span>; <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">BTreeMap</span>; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="kw">use</span> <span class="ident">abstio</span>::<span class="ident">MapName</span>; <span class="kw">use</span> <span class="ident">abstutil</span>::{<span class="ident">deserialize_btreemap</span>, <span class="ident">serialize_btreemap</span>}; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Bounds</span>, <span class="ident">Distance</span>, <span class="ident">GPSBounds</span>, <span class="ident">Polygon</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">city</span>::<span class="ident">City</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">edits</span>::{ <span class="ident">EditCmd</span>, <span class="ident">EditEffects</span>, <span class="ident">EditIntersection</span>, <span class="ident">EditRoad</span>, <span class="ident">MapEdits</span>, <span class="ident">PermanentMapEdits</span>, }; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">make</span>::<span class="ident">RawToMapOptions</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">map</span>::{<span class="ident">DrivingSide</span>, <span class="ident">MapConfig</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">area</span>::{<span class="ident">Area</span>, <span class="ident">AreaID</span>, <span class="ident">AreaType</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">building</span>::{ <span class="ident">Amenity</span>, <span class="ident">AmenityType</span>, <span class="ident">Building</span>, <span class="ident">BuildingID</span>, <span class="ident">BuildingType</span>, <span class="ident">NamePerLanguage</span>, <span class="ident">OffstreetParking</span>, }; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">bus_stop</span>::{<span class="ident">BusRoute</span>, <span class="ident">BusRouteID</span>, <span class="ident">BusStop</span>, <span class="ident">BusStopID</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">intersection</span>::{<span class="ident">Intersection</span>, <span class="ident">IntersectionID</span>, <span class="ident">IntersectionType</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">lane</span>::{<span class="ident">Lane</span>, <span class="ident">LaneID</span>, <span class="ident">LaneSpec</span>, <span class="ident">LaneType</span>, <span class="ident">PARKING_LOT_SPOT_LENGTH</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">parking_lot</span>::{<span class="ident">ParkingLot</span>, <span class="ident">ParkingLotID</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">road</span>::{<span class="ident">DirectedRoadID</span>, <span class="ident">Direction</span>, <span class="ident">Road</span>, <span class="ident">RoadID</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">stop_signs</span>::{<span class="ident">ControlStopSign</span>, <span class="ident">RoadWithStopSign</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">traffic_signals</span>::{<span class="ident">ControlTrafficSignal</span>, <span class="ident">Stage</span>, <span class="ident">StageType</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">turn</span>::{ <span class="ident">CompressedMovementID</span>, <span class="ident">Movement</span>, <span class="ident">MovementID</span>, <span class="ident">Turn</span>, <span class="ident">TurnID</span>, <span class="ident">TurnPriority</span>, <span class="ident">TurnType</span>, }; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">objects</span>::<span class="ident">zone</span>::{<span class="ident">AccessRestrictions</span>, <span class="ident">Zone</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">pathfind</span>::<span class="ident">uber_turns</span>::{<span class="ident">IntersectionCluster</span>, <span class="ident">UberTurn</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">pathfind</span>::<span class="ident">Pathfinder</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">pathfind</span>::{ <span class="ident">Path</span>, <span class="ident">PathConstraints</span>, <span class="ident">PathRequest</span>, <span class="ident">PathStep</span>, <span class="ident">PathStepV2</span>, <span class="ident">PathV2</span>, <span class="ident">RoutingParams</span>, }; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">traversable</span>::{<span class="ident">Position</span>, <span class="ident">Traversable</span>, <span class="ident">MAX_BIKE_SPEED</span>, <span class="ident">MAX_WALKING_SPEED</span>}; <span class="kw">mod</span> <span class="ident">city</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">connectivity</span>; <span class="kw">mod</span> <span class="ident">edits</span>; <span class="kw">mod</span> <span class="ident">make</span>; <span class="kw">mod</span> <span class="ident">map</span>; <span class="kw">mod</span> <span class="ident">objects</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">osm</span>; <span class="kw">mod</span> <span class="ident">pathfind</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">raw</span>; <span class="kw">mod</span> <span class="ident">traversable</span>; <span class="comment">// TODO Minimize uses of these!</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">NORMAL_LANE_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">2.5</span>); <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const</span> <span class="ident">SERVICE_ROAD_LANE_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">1.5</span>); <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SIDEWALK_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">1.5</span>); <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const</span> <span class="ident">SHOULDER_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">0.5</span>); <span class="comment">// The map used by the simulation and UI. This struct is declared here so that the rest of the</span> <span class="comment">// crate can reach into private fields.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Map</span> { <span class="ident">roads</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Road</span><span class="op">></span>, <span class="ident">lanes</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">LaneID</span>, <span class="ident">Lane</span><span class="op">></span>, <span class="ident">lane_id_counter</span>: <span class="ident">usize</span>, <span class="ident">intersections</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Intersection</span><span class="op">></span>, <span class="attribute">#[<span class="ident">serde</span>( <span class="ident">serialize_with</span> <span class="op">=</span> <span class="string">"serialize_btreemap"</span>, <span class="ident">deserialize_with</span> <span class="op">=</span> <span class="string">"deserialize_btreemap"</span> )]</span> <span class="ident">turns</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">TurnID</span>, <span class="ident">Turn</span><span class="op">></span>, <span class="ident">buildings</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Building</span><span class="op">></span>, <span class="attribute">#[<span class="ident">serde</span>( <span class="ident">serialize_with</span> <span class="op">=</span> <span class="string">"serialize_btreemap"</span>, <span class="ident">deserialize_with</span> <span class="op">=</span> <span class="string">"deserialize_btreemap"</span> )]</span> <span class="ident">bus_stops</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">BusStopID</span>, <span class="ident">BusStop</span><span class="op">></span>, <span class="ident">bus_routes</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">BusRoute</span><span class="op">></span>, <span class="ident">areas</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Area</span><span class="op">></span>, <span class="ident">parking_lots</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">ParkingLot</span><span class="op">></span>, <span class="ident">boundary_polygon</span>: <span class="ident">Polygon</span>, <span class="comment">// Note that border nodes belong in neither!</span> <span class="ident">stop_signs</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">IntersectionID</span>, <span class="ident">ControlStopSign</span><span class="op">></span>, <span class="ident">traffic_signals</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">IntersectionID</span>, <span class="ident">ControlTrafficSignal</span><span class="op">></span>, <span class="ident">gps_bounds</span>: <span class="ident">GPSBounds</span>, <span class="ident">bounds</span>: <span class="ident">Bounds</span>, <span class="ident">config</span>: <span class="ident">MapConfig</span>, <span class="ident">pathfinder</span>: <span class="ident">Pathfinder</span>, <span class="ident">pathfinder_dirty</span>: <span class="ident">bool</span>, <span class="ident">routing_params</span>: <span class="ident">RoutingParams</span>, <span class="comment">// Not the source of truth, just cached.</span> <span class="ident">zones</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Zone</span><span class="op">></span>, <span class="ident">name</span>: <span class="ident">MapName</span>, <span class="attribute">#[<span class="ident">serde</span>(<span class="ident">skip_serializing</span>, <span class="ident">skip_deserializing</span>)]</span> <span class="ident">edits</span>: <span class="ident">MapEdits</span>, } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="map_model" data-search-js="../../search-index.js"></div> <script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script></body></html>