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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">☰</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>
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<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">−</span>]</a></span><a class="srclink" href="../../../src/map_model/make/traffic_signals/mod.rs.html#1-499" 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
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might want to move to a trait. For now, there’s a single make_traffic_signal static method
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in each generator file, which is called to generate a traffic signal of a particular flavor.</p>
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<p>For example, lagging_green.rs contains a one public fn:
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pub fn make_traffic_signal(map: &Map, i: IntersectionID)->Option<ControlTrafficSignal></p>
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</div><h2 id="modules" class="section-header"><a href="#modules">Modules</a></h2>
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<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>
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<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>
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<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
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best-first order. The signal configuration is only based on the roads connected to the
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intersection.</p>
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</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.make_stages_filtered.html" title="map_model::make::traffic_signals::make_stages_filtered fn">make_stages_filtered</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
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each other with 2 stages each, see if the primary movement of the first stages lead to each
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other, and flip the order of stages if not. This is often wrong when the most common movement is
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actually turning left then going straight (near Mercer for example), but not sure how we could
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know that without demand data.</p>
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</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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