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abstreet/rustdoc/map_model/make/traffic_signals/index.html
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<!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="The various traffic signal generators live in the traffic signal module. Eventually, we might want to move to a trait. For now, there’s a single make_traffic_signal static method in each generator file, which is called to generate a traffic signal of a particular flavor."><meta name="keywords" content="rust, rustlang, rust-lang, traffic_signals"><title>map_model::make::traffic_signals - Rust</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">
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<link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a href='../../../map_model/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a><p class="location">Module traffic_signals</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#modules">Modules</a></li><li><a href="#constants">Constants</a></li><li><a href="#functions">Functions</a></li></ul></div><p class="location"><a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a></p><div id="sidebar-vars" data-name="traffic_signals" data-ty="mod" data-relpath="../"></div><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a class="mod" href="">traffic_signals</a><button id="copy-path" onclick="copy_path(this)">⎘</button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../../src/map_model/make/traffic_signals/mod.rs.html#1-493" title="goto source code">[src]</a></span></h1><div class="docblock"><p>The various traffic signal generators live in the traffic signal module. Eventually, we
might want to move to a trait. For now, there’s a single make_traffic_signal static method
in each generator file, which is called to generate a traffic signal of a particular flavor.</p>
<p>For example, lagging_green.rs contains a one public fn:
pub fn make_traffic_signal(map: &amp;Map, i: IntersectionID)-&gt;Option<ControlTrafficSignal></p>
</div><h2 id="modules" class="section-header"><a href="#modules">Modules</a></h2>
<table><tr class="module-item"><td><a class="mod" href="lagging_green/index.html" title="map_model::make::traffic_signals::lagging_green mod">lagging_green</a></td><td class="docblock-short"></td></tr></table><h2 id="constants" class="section-header"><a href="#constants">Constants</a></h2>
<table><tr class="module-item"><td><a class="constant" href="constant.PROTECTED.html" title="map_model::make::traffic_signals::PROTECTED constant">PROTECTED</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="constant" href="constant.YIELD.html" title="map_model::make::traffic_signals::YIELD constant">YIELD</a></td><td class="docblock-short"></td></tr></table><h2 id="functions" class="section-header"><a href="#functions">Functions</a></h2>
<table><tr class="module-item"><td><a class="fn" href="fn.all_walk_all_yield.html" title="map_model::make::traffic_signals::all_walk_all_yield fn">all_walk_all_yield</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.degenerate.html" title="map_model::make::traffic_signals::degenerate fn">degenerate</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.expand_all_stages.html" title="map_model::make::traffic_signals::expand_all_stages fn">expand_all_stages</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.four_way_four_stage.html" title="map_model::make::traffic_signals::four_way_four_stage fn">four_way_four_stage</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.four_way_two_stage.html" title="map_model::make::traffic_signals::four_way_two_stage fn">four_way_two_stage</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.get_possible_policies.html" title="map_model::make::traffic_signals::get_possible_policies fn">get_possible_policies</a></td><td class="docblock-short"><p>Applies a bunch of heuristics to a single intersection, returning the valid results in
best-first order. The signal configuration is only based on the roads connected to the
intersection.</p>
</td></tr><tr class="module-item"><td><a class="fn" href="fn.greedy_assignment.html" title="map_model::make::traffic_signals::greedy_assignment fn">greedy_assignment</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.half_signal.html" title="map_model::make::traffic_signals::half_signal fn">half_signal</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.make_stages.html" title="map_model::make::traffic_signals::make_stages fn">make_stages</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.new.html" title="map_model::make::traffic_signals::new fn">new</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.stage_per_road.html" title="map_model::make::traffic_signals::stage_per_road fn">stage_per_road</a></td><td class="docblock-short"></td></tr><tr class="module-item"><td><a class="fn" href="fn.synchronize.html" title="map_model::make::traffic_signals::synchronize fn">synchronize</a></td><td class="docblock-short"><p>Simple second-pass after generating all signals. Find pairs of traffic signals very close to
each other with 2 stages each, see if the primary movement of the first stages lead to each
other, and flip the order of stages if not. This is often wrong when the most common movement is
actually turning left then going straight (near Mercer for example), but not sure how we could
know that without demand data.</p>
</td></tr><tr class="module-item"><td><a class="fn" href="fn.three_way.html" title="map_model::make::traffic_signals::three_way fn">three_way</a></td><td class="docblock-short"></td></tr></table></section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="map_model" data-search-index-js="../../../search-index.js" data-search-js="../../../search.js"></div>
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