<!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/osm.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>osm.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><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> <link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"> <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 source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../map_model/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><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><span class="help-button">?</span> <a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span id="18"> 18</span> <span id="19"> 19</span> <span id="20"> 20</span> <span id="21"> 21</span> <span id="22"> 22</span> <span id="23"> 23</span> <span id="24"> 24</span> <span id="25"> 25</span> <span id="26"> 26</span> <span id="27"> 27</span> <span id="28"> 28</span> <span id="29"> 29</span> <span id="30"> 30</span> <span id="31"> 31</span> <span id="32"> 32</span> <span id="33"> 33</span> <span id="34"> 34</span> <span id="35"> 35</span> <span id="36"> 36</span> <span id="37"> 37</span> <span id="38"> 38</span> <span id="39"> 39</span> <span id="40"> 40</span> <span id="41"> 41</span> <span id="42"> 42</span> <span id="43"> 43</span> <span id="44"> 44</span> <span id="45"> 45</span> <span id="46"> 46</span> <span id="47"> 47</span> <span id="48"> 48</span> <span id="49"> 49</span> <span id="50"> 50</span> <span id="51"> 51</span> <span id="52"> 52</span> <span id="53"> 53</span> <span id="54"> 54</span> <span id="55"> 55</span> <span id="56"> 56</span> <span id="57"> 57</span> <span id="58"> 58</span> <span id="59"> 59</span> <span id="60"> 60</span> <span id="61"> 61</span> <span id="62"> 62</span> <span id="63"> 63</span> <span id="64"> 64</span> <span id="65"> 65</span> <span id="66"> 66</span> <span id="67"> 67</span> <span id="68"> 68</span> <span id="69"> 69</span> <span id="70"> 70</span> <span id="71"> 71</span> <span id="72"> 72</span> <span id="73"> 73</span> <span id="74"> 74</span> <span id="75"> 75</span> <span id="76"> 76</span> <span id="77"> 77</span> <span id="78"> 78</span> <span id="79"> 79</span> <span id="80"> 80</span> <span id="81"> 81</span> <span id="82"> 82</span> <span id="83"> 83</span> <span id="84"> 84</span> <span id="85"> 85</span> <span id="86"> 86</span> <span id="87"> 87</span> <span id="88"> 88</span> <span id="89"> 89</span> <span id="90"> 90</span> <span id="91"> 91</span> <span id="92"> 92</span> <span id="93"> 93</span> <span id="94"> 94</span> <span id="95"> 95</span> <span id="96"> 96</span> <span id="97"> 97</span> <span id="98"> 98</span> <span id="99"> 99</span> <span id="100">100</span> </pre><div class="example-wrap"><pre class="rust "> <span class="doccomment">//! Useful utilities for working with OpenStreetMap.</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="comment">// These are common OSM keys. Keys used in just one or two places don't really need to be defined</span> <span class="comment">// here.</span> <span class="comment">// These're normal OSM keys.</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">NAME</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"name"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">HIGHWAY</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"highway"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MAXSPEED</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"maxspeed"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PARKING_RIGHT</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"parking:lane:right"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PARKING_LEFT</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"parking:lane:left"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PARKING_BOTH</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"parking:lane:both"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SIDEWALK</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"sidewalk"</span>; <span class="comment">// The rest of these are all inserted by A/B Street to plumb data between different stages of map</span> <span class="comment">// construction. They could be plumbed another way, but this is the most convenient.</span> <span class="comment">// Just a copy of OSM IDs, so that things displaying/searching tags will also pick these up.</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">OSM_WAY_ID</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:osm_way_id"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">OSM_REL_ID</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:osm_rel_id"</span>; <span class="comment">// OSM ways are split into multiple roads. The first and last road are marked, which is important</span> <span class="comment">// for interpreting turn restrictions.</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">ENDPT_FWD</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:endpt_fwd"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">ENDPT_BACK</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:endpt_back"</span>; <span class="comment">// Any roads might have these.</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">INFERRED_PARKING</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:parking_inferred"</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">INFERRED_SIDEWALKS</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"abst:sidewalks_inferred"</span>; <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">RoadRank</span> { <span class="ident">Local</span>, <span class="ident">Arterial</span>, <span class="ident">Highway</span>, } <span class="kw">impl</span> <span class="ident">RoadRank</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_highway</span>(<span class="ident">hwy</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="ident">RoadRank</span> { <span class="kw">match</span> <span class="ident">hwy</span> { <span class="string">"motorway"</span> <span class="op">|</span> <span class="string">"motorway_link"</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Highway</span>, <span class="string">"trunk"</span> <span class="op">|</span> <span class="string">"trunk_link"</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Highway</span>, <span class="string">"primary"</span> <span class="op">|</span> <span class="string">"primary_link"</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Arterial</span>, <span class="string">"secondary"</span> <span class="op">|</span> <span class="string">"secondary_link"</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Arterial</span>, <span class="string">"tertiary"</span> <span class="op">|</span> <span class="string">"tertiary_link"</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Arterial</span>, <span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="ident">RoadRank</span>::<span class="ident">Local</span>, } } } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</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">NodeID</span>(<span class="kw">pub</span> <span class="ident">i64</span>); <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</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">WayID</span>(<span class="kw">pub</span> <span class="ident">i64</span>); <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</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">RelationID</span>(<span class="kw">pub</span> <span class="ident">i64</span>); <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">NodeID</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"https://www.openstreetmap.org/node/{}"</span>, <span class="self">self</span>.<span class="number">0</span>) } } <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">WayID</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"https://www.openstreetmap.org/way/{}"</span>, <span class="self">self</span>.<span class="number">0</span>) } } <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">RelationID</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"https://www.openstreetmap.org/relation/{}"</span>, <span class="self">self</span>.<span class="number">0</span>) } } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">OsmID</span> { <span class="ident">Node</span>(<span class="ident">NodeID</span>), <span class="ident">Way</span>(<span class="ident">WayID</span>), <span class="ident">Relation</span>(<span class="ident">RelationID</span>), } <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">OsmID</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OsmID</span>::<span class="ident">Node</span>(<span class="ident">n</span>) <span class="op">=</span><span class="op">></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"{}"</span>, <span class="ident">n</span>), <span class="ident">OsmID</span>::<span class="ident">Way</span>(<span class="ident">w</span>) <span class="op">=</span><span class="op">></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"{}"</span>, <span class="ident">w</span>), <span class="ident">OsmID</span>::<span class="ident">Relation</span>(<span class="ident">r</span>) <span class="op">=</span><span class="op">></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"{}"</span>, <span class="ident">r</span>), } } } <span class="kw">impl</span> <span class="ident">OsmID</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">inner</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">i64</span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OsmID</span>::<span class="ident">Node</span>(<span class="ident">n</span>) <span class="op">=</span><span class="op">></span> <span class="ident">n</span>.<span class="number">0</span>, <span class="ident">OsmID</span>::<span class="ident">Way</span>(<span class="ident">w</span>) <span class="op">=</span><span class="op">></span> <span class="ident">w</span>.<span class="number">0</span>, <span class="ident">OsmID</span>::<span class="ident">Relation</span>(<span class="ident">r</span>) <span class="op">=</span><span class="op">></span> <span class="ident">r</span>.<span class="number">0</span>, } } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "map_model";</script><script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script><script defer src="../../search-index.js"></script></body></html>