<!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 `convert_osm/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script> <noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../convert_osm/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> </a><h2 class="location"></h2> </nav> <nav class="sidebar"><a class="sidebar-logo" href="../../convert_osm/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../convert_osm/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><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> <span id="101">101</span> <span id="102">102</span> <span id="103">103</span> <span id="104">104</span> <span id="105">105</span> <span id="106">106</span> <span id="107">107</span> <span id="108">108</span> <span id="109">109</span> <span id="110">110</span> <span id="111">111</span> <span id="112">112</span> <span id="113">113</span> <span id="114">114</span> <span id="115">115</span> <span id="116">116</span> <span id="117">117</span> <span id="118">118</span> <span id="119">119</span> <span id="120">120</span> <span id="121">121</span> <span id="122">122</span> <span id="123">123</span> <span id="124">124</span> <span id="125">125</span> <span id="126">126</span> <span id="127">127</span> <span id="128">128</span> <span id="129">129</span> <span id="130">130</span> <span id="131">131</span> <span id="132">132</span> <span id="133">133</span> <span id="134">134</span> <span id="135">135</span> <span id="136">136</span> <span id="137">137</span> <span id="138">138</span> <span id="139">139</span> <span id="140">140</span> <span id="141">141</span> <span id="142">142</span> <span id="143">143</span> <span id="144">144</span> <span id="145">145</span> <span id="146">146</span> <span id="147">147</span> <span id="148">148</span> <span id="149">149</span> <span id="150">150</span> <span id="151">151</span> <span id="152">152</span> <span id="153">153</span> <span id="154">154</span> <span id="155">155</span> <span id="156">156</span> <span id="157">157</span> <span id="158">158</span> <span id="159">159</span> <span id="160">160</span> <span id="161">161</span> <span id="162">162</span> <span id="163">163</span> <span id="164">164</span> <span id="165">165</span> <span id="166">166</span> <span id="167">167</span> <span id="168">168</span> <span id="169">169</span> <span id="170">170</span> <span id="171">171</span> <span id="172">172</span> <span id="173">173</span> <span id="174">174</span> <span id="175">175</span> <span id="176">176</span> <span id="177">177</span> <span id="178">178</span> <span id="179">179</span> <span id="180">180</span> <span id="181">181</span> <span id="182">182</span> <span id="183">183</span> <span id="184">184</span> <span id="185">185</span> <span id="186">186</span> <span id="187">187</span> <span id="188">188</span> <span id="189">189</span> <span id="190">190</span> <span id="191">191</span> <span id="192">192</span> <span id="193">193</span> <span id="194">194</span> <span id="195">195</span> <span id="196">196</span> </pre><pre class="rust"><code><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">anyhow::Result</span>; <span class="kw">use</span> <span class="ident">abstio::MapName</span>; <span class="kw">use</span> <span class="ident">abstutil</span>::{<span class="ident">Tags</span>, <span class="ident">Timer</span>}; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Distance</span>, <span class="ident">FindClosest</span>, <span class="ident">GPSBounds</span>, <span class="ident">LonLat</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>, <span class="ident">Ring</span>}; <span class="kw">use</span> <span class="ident">raw_map</span>::{<span class="ident">osm</span>, <span class="ident">Amenity</span>, <span class="ident">OriginalRoad</span>, <span class="ident">RawMap</span>, <span class="ident">RawRoad</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">import_streets</span>::{ <span class="ident">OnstreetParking</span>, <span class="ident">Options</span>, <span class="ident">PrivateOffstreetParking</span>, <span class="ident">PublicOffstreetParking</span>, }; <span class="kw">mod</span> <span class="ident">elevation</span>; <span class="kw">mod</span> <span class="ident">extract</span>; <span class="kw">mod</span> <span class="ident">gtfs</span>; <span class="kw">mod</span> <span class="ident">parking</span>; <span class="doccomment">/// Create a RawMap from OSM and other input data.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">convert</span>( <span class="ident">osm_input_path</span>: <span class="ident">String</span>, <span class="ident">name</span>: <span class="ident">MapName</span>, <span class="ident">clip_path</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="ident">opts</span>: <span class="ident">Options</span>, <span class="ident">timer</span>: <span class="kw-2">&mut</span> <span class="ident">Timer</span>, ) -> <span class="ident">RawMap</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">RawMap::blank</span>(<span class="ident">name</span>); <span class="comment">// Do this early. Calculating RawRoads uses DrivingSide, for example!</span> <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">config</span> <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">map_config</span>.<span class="ident">clone</span>(); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">path</span>) <span class="op">=</span> <span class="ident">clip_path</span> { <span class="kw">let</span> <span class="ident">pts</span> <span class="op">=</span> <span class="ident">LonLat::read_osmosis_polygon</span>(<span class="ident">path</span>).<span class="ident">unwrap</span>(); <span class="kw">let</span> <span class="ident">gps_bounds</span> <span class="op">=</span> <span class="ident">GPSBounds::from</span>(<span class="ident">pts</span>.<span class="ident">clone</span>()); <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">boundary_polygon</span> <span class="op">=</span> <span class="ident">Ring::must_new</span>(<span class="ident">gps_bounds</span>.<span class="ident">convert</span>(<span class="kw-2">&</span><span class="ident">pts</span>)).<span class="ident">into_polygon</span>(); <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span> <span class="op">=</span> <span class="ident">gps_bounds</span>; } <span class="kw">let</span> (<span class="ident">extract</span>, <span class="ident">amenity_points</span>) <span class="op">=</span> <span class="ident">extract::extract_osm</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>, <span class="kw-2">&</span><span class="ident">osm_input_path</span>, <span class="ident">clip_path</span>, <span class="kw-2">&</span><span class="ident">opts</span>, <span class="ident">timer</span>); <span class="kw">let</span> <span class="ident">split_output</span> <span class="op">=</span> <span class="ident">import_streets::split_ways::split_up_roads</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">extract</span>, <span class="ident">timer</span>); <span class="ident">clip_map</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>, <span class="ident">timer</span>); <span class="comment">// Need to do a first pass of removing cul-de-sacs here, or we wind up with loop PolyLines when</span> <span class="comment">// doing the parking hint matching.</span> <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">roads</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="ident">r</span>, <span class="kw">_</span><span class="op">|</span> <span class="ident">r</span>.<span class="ident">i1</span> <span class="op">!</span><span class="op">=</span> <span class="ident">r</span>.<span class="ident">i2</span>); <span class="ident">use_amenities</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>, <span class="ident">amenity_points</span>, <span class="ident">timer</span>); <span class="ident">parking::apply_parking</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>, <span class="kw-2">&</span><span class="ident">opts</span>, <span class="ident">timer</span>); <span class="ident">import_streets::use_barrier_nodes</span>( <span class="kw-2">&mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">split_output</span>.<span class="ident">barrier_nodes</span>, <span class="kw-2">&</span><span class="ident">split_output</span>.<span class="ident">pt_to_road</span>, ); <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">elevation</span> { <span class="ident">timer</span>.<span class="ident">start</span>(<span class="string">"add elevation data"</span>); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">elevation::add_data</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>) { <span class="macro">error!</span>(<span class="string">"No elevation data: {}"</span>, <span class="ident">err</span>); } <span class="ident">timer</span>.<span class="ident">stop</span>(<span class="string">"add elevation data"</span>); } <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">path</span>) <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">extra_buildings</span> { <span class="ident">add_extra_buildings</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>, <span class="ident">path</span>).<span class="ident">unwrap</span>(); } <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">filter_crosswalks</span> { <span class="ident">import_streets::filter_crosswalks</span>( <span class="kw-2">&mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">split_output</span>.<span class="ident">crosswalks</span>, <span class="ident">split_output</span>.<span class="ident">pt_to_road</span>, <span class="ident">timer</span>, ); } <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">gtfs_url</span>.<span class="ident">is_some</span>() { <span class="ident">gtfs::import</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>).<span class="ident">unwrap</span>(); } <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">name</span> <span class="op">==</span> <span class="ident">MapName::new</span>(<span class="string">"gb"</span>, <span class="string">"bristol"</span>, <span class="string">"east"</span>) { <span class="ident">bristol_hack</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>); } <span class="ident">map</span> } <span class="kw">fn</span> <span class="ident">use_amenities</span>(<span class="ident">map</span>: <span class="kw-2">&mut</span> <span class="ident">RawMap</span>, <span class="ident">amenities</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">Pt2D</span>, <span class="ident">Amenity</span>)<span class="op">></span>, <span class="ident">timer</span>: <span class="kw-2">&mut</span> <span class="ident">Timer</span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">closest</span>: <span class="ident">FindClosest</span><span class="op"><</span><span class="ident">osm::OsmID</span><span class="op">></span> <span class="op">=</span> <span class="ident">FindClosest::new</span>(<span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span>.<span class="ident">to_bounds</span>()); <span class="kw">for</span> (<span class="ident">id</span>, <span class="ident">b</span>) <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">buildings</span> { <span class="ident">closest</span>.<span class="ident">add</span>(<span class="kw-2">*</span><span class="ident">id</span>, <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">points</span>()); } <span class="ident">timer</span>.<span class="ident">start_iter</span>(<span class="string">"match building amenities"</span>, <span class="ident">amenities</span>.<span class="ident">len</span>()); <span class="kw">for</span> (<span class="ident">pt</span>, <span class="ident">amenity</span>) <span class="kw">in</span> <span class="ident">amenities</span> { <span class="ident">timer</span>.<span class="ident">next</span>(); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">id</span>, <span class="kw">_</span>)) <span class="op">=</span> <span class="ident">closest</span>.<span class="ident">closest_pt</span>(<span class="ident">pt</span>, <span class="ident">Distance::meters</span>(<span class="number">50.0</span>)) { <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="ident">id</span>).<span class="ident">unwrap</span>(); <span class="kw">if</span> <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">contains_pt</span>(<span class="ident">pt</span>) { <span class="ident">b</span>.<span class="ident">amenities</span>.<span class="ident">push</span>(<span class="ident">amenity</span>); } } } } <span class="kw">fn</span> <span class="ident">add_extra_buildings</span>(<span class="ident">map</span>: <span class="kw-2">&mut</span> <span class="ident">RawMap</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">let</span> <span class="ident">require_in_bounds</span> <span class="op">=</span> <span class="bool-val">true</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">id</span> <span class="op">=</span> <span class="op">-</span><span class="number">1</span>; <span class="kw">for</span> (<span class="ident">polygon</span>, <span class="kw">_</span>) <span class="kw">in</span> <span class="ident">Polygon::from_geojson_bytes</span>( <span class="kw-2">&</span><span class="ident">abstio::slurp_file</span>(<span class="ident">path</span>)<span class="question-mark">?</span>, <span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span>, <span class="ident">require_in_bounds</span>, )<span class="question-mark">?</span> { <span class="comment">// Add these as new buildings, generating a new dummy OSM ID.</span> <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">insert</span>( <span class="ident">osm::OsmID::Way</span>(<span class="ident">osm::WayID</span>(<span class="ident">id</span>)), <span class="ident">raw_map::RawBuilding</span> { <span class="ident">polygon</span>, <span class="ident">osm_tags</span>: <span class="ident">Tags::empty</span>(), <span class="ident">public_garage_name</span>: <span class="prelude-val">None</span>, <span class="ident">num_parking_spots</span>: <span class="number">1</span>, <span class="ident">amenities</span>: <span class="ident">Vec::new</span>(), }, ); <span class="comment">// We could use new_osm_way_id, but faster to just assume we're the only place introducing</span> <span class="comment">// new OSM IDs.</span> <span class="ident">id</span> <span class="op">-</span><span class="op">=</span> <span class="op">-</span><span class="number">1</span>; } <span class="prelude-val">Ok</span>(()) } <span class="comment">// We're using Bristol for a project that requires an unusual LTN neighborhood boundary. Insert a</span> <span class="comment">// fake road where a bridge crosses another road, to force blockfinding to trace along there.</span> <span class="kw">fn</span> <span class="ident">bristol_hack</span>(<span class="ident">map</span>: <span class="kw-2">&mut</span> <span class="ident">RawMap</span>) { <span class="kw">let</span> <span class="ident">osm_way_id</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">new_osm_way_id</span>(<span class="op">-</span><span class="number">1</span>); <span class="kw">let</span> <span class="ident">i1</span> <span class="op">=</span> <span class="ident">osm::NodeID</span>(<span class="number">364061012</span>); <span class="kw">let</span> <span class="ident">i2</span> <span class="op">=</span> <span class="ident">osm::NodeID</span>(<span class="number">1215755208</span>); <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">OriginalRoad</span> { <span class="ident">osm_way_id</span>, <span class="ident">i1</span>, <span class="ident">i2</span> }; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tags</span> <span class="op">=</span> <span class="ident">Tags::empty</span>(); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"highway"</span>, <span class="string">"service"</span>); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"name"</span>, <span class="string">"Fake road"</span>); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"oneway"</span>, <span class="string">"yes"</span>); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"sidewalk"</span>, <span class="string">"none"</span>); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"lanes"</span>, <span class="string">"1"</span>); <span class="comment">// TODO The LTN pathfinding tool will try to use this road. Discourage that heavily. It'd be</span> <span class="comment">// safer to mark this as under construction, but then blockfinding wouldn't treat it as a</span> <span class="comment">// boundary.</span> <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"maxspeed"</span>, <span class="string">"1 mph"</span>); <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">"bicycle"</span>, <span class="string">"no"</span>); <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">roads</span>.<span class="ident">insert</span>( <span class="ident">id</span>, <span class="ident">RawRoad::new</span>( <span class="macro">vec!</span>[ <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">intersections</span>[<span class="kw-2">&</span><span class="ident">i1</span>].<span class="ident">point</span>, <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">intersections</span>[<span class="kw-2">&</span><span class="ident">i2</span>].<span class="ident">point</span>, ], <span class="ident">tags</span>, <span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">config</span>, ) .<span class="ident">unwrap</span>(), ); } <span class="kw">fn</span> <span class="ident">clip_map</span>(<span class="ident">map</span>: <span class="kw-2">&mut</span> <span class="ident">RawMap</span>, <span class="ident">timer</span>: <span class="kw-2">&mut</span> <span class="ident">Timer</span>) { <span class="ident">import_streets::clip::clip_map</span>(<span class="kw-2">&mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">timer</span>); <span class="kw">let</span> <span class="ident">boundary_polygon</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">boundary_polygon</span>.<span class="ident">clone</span>(); <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="kw">_</span>, <span class="ident">b</span><span class="op">|</span> { <span class="ident">b</span>.<span class="ident">polygon</span> .<span class="ident">points</span>() .<span class="ident">iter</span>() .<span class="ident">all</span>(<span class="op">|</span><span class="ident">pt</span><span class="op">|</span> <span class="ident">boundary_polygon</span>.<span class="ident">contains_pt</span>(<span class="kw-2">*</span><span class="ident">pt</span>)) }); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result_areas</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">for</span> <span class="ident">orig_area</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">areas</span>.<span class="ident">drain</span>(..) { <span class="kw">for</span> <span class="ident">polygon</span> <span class="kw">in</span> <span class="ident">map</span> .<span class="ident">streets</span> .<span class="ident">boundary_polygon</span> .<span class="ident">intersection</span>(<span class="kw-2">&</span><span class="ident">orig_area</span>.<span class="ident">polygon</span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">area</span> <span class="op">=</span> <span class="ident">orig_area</span>.<span class="ident">clone</span>(); <span class="ident">area</span>.<span class="ident">polygon</span> <span class="op">=</span> <span class="ident">polygon</span>; <span class="ident">result_areas</span>.<span class="ident">push</span>(<span class="ident">area</span>); } } <span class="ident">map</span>.<span class="ident">areas</span> <span class="op">=</span> <span class="ident">result_areas</span>; <span class="comment">// TODO Don't touch parking lots. It'll be visually obvious if a clip intersects one of these.</span> <span class="comment">// The boundary should be manually adjusted.</span> } </code></pre></div> </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="convert_osm" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.62.1 (e092d0b6b 2022-07-16)" ></div> </body></html>