<!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 to the Rust file `map_model/src/make/initial/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs.html -- 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 src="../../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../../favicon.ico"><style 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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"> 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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> </pre><div class="example-wrap"><pre class="rust "> <span class="doccomment">//! Naming is confusing, but RawMap -> InitialMap -> Map. InitialMap is separate pretty much just</span> <span class="doccomment">//! for the step of producing <https://dabreegster.github.io/abstreet/map/importing/geometry.html>.</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::{<span class="ident">BTreeMap</span>, <span class="ident">BTreeSet</span>}; <span class="kw">use</span> <span class="ident">lane_specs</span>::<span class="ident">LaneSpec</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">Bounds</span>, <span class="ident">Circle</span>, <span class="ident">Distance</span>, <span class="ident">PolyLine</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">geometry</span>::<span class="ident">intersection_polygon</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">raw</span>::{<span class="ident">OriginalRoad</span>, <span class="ident">RawMap</span>, <span class="ident">RawRoad</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">osm</span>, <span class="ident">IntersectionType</span>, <span class="ident">MapConfig</span>}; <span class="kw">mod</span> <span class="ident">geometry</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">lane_specs</span>; <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">InitialMap</span> { <span class="kw">pub</span> <span class="ident">roads</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">OriginalRoad</span>, <span class="ident">Road</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">intersections</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">osm</span>::<span class="ident">NodeID</span>, <span class="ident">Intersection</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">bounds</span>: <span class="ident">Bounds</span>, } <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Road</span> { <span class="comment">// Redundant but useful to embed</span> <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">OriginalRoad</span>, <span class="kw">pub</span> <span class="ident">src_i</span>: <span class="ident">osm</span>::<span class="ident">NodeID</span>, <span class="kw">pub</span> <span class="ident">dst_i</span>: <span class="ident">osm</span>::<span class="ident">NodeID</span>, <span class="comment">// The true center of the road, including sidewalks</span> <span class="kw">pub</span> <span class="ident">trimmed_center_pts</span>: <span class="ident">PolyLine</span>, <span class="kw">pub</span> <span class="ident">half_width</span>: <span class="ident">Distance</span>, <span class="kw">pub</span> <span class="ident">lane_specs_ltr</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">LaneSpec</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">osm_tags</span>: <span class="ident">Tags</span>, } <span class="kw">impl</span> <span class="ident">Road</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">id</span>: <span class="ident">OriginalRoad</span>, <span class="ident">r</span>: <span class="kw-2">&</span><span class="ident">RawRoad</span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="ident">MapConfig</span>) <span class="op">-></span> <span class="ident">Road</span> { <span class="kw">let</span> <span class="ident">lane_specs_ltr</span> <span class="op">=</span> <span class="ident">lane_specs</span>::<span class="ident">get_lane_specs_ltr</span>(<span class="kw-2">&</span><span class="ident">r</span>.<span class="ident">osm_tags</span>, <span class="ident">cfg</span>); <span class="kw">let</span> (<span class="ident">trimmed_center_pts</span>, <span class="ident">total_width</span>) <span class="op">=</span> <span class="ident">r</span>.<span class="ident">get_geometry</span>(<span class="ident">id</span>, <span class="ident">cfg</span>); <span class="ident">Road</span> { <span class="ident">id</span>, <span class="ident">src_i</span>: <span class="ident">id</span>.<span class="ident">i1</span>, <span class="ident">dst_i</span>: <span class="ident">id</span>.<span class="ident">i2</span>, <span class="ident">trimmed_center_pts</span>, <span class="ident">half_width</span>: <span class="ident">total_width</span> <span class="op">/</span> <span class="number">2.0</span>, <span class="ident">lane_specs_ltr</span>, <span class="ident">osm_tags</span>: <span class="ident">r</span>.<span class="ident">osm_tags</span>.<span class="ident">clone</span>(), } } } <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Intersection</span> { <span class="comment">// Redundant but useful to embed</span> <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">osm</span>::<span class="ident">NodeID</span>, <span class="kw">pub</span> <span class="ident">polygon</span>: <span class="ident">Polygon</span>, <span class="kw">pub</span> <span class="ident">roads</span>: <span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">OriginalRoad</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">intersection_type</span>: <span class="ident">IntersectionType</span>, <span class="kw">pub</span> <span class="ident">elevation</span>: <span class="ident">Distance</span>, } <span class="kw">impl</span> <span class="ident">InitialMap</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">raw</span>: <span class="kw-2">&</span><span class="ident">RawMap</span>, <span class="ident">bounds</span>: <span class="kw-2">&</span><span class="ident">Bounds</span>, <span class="ident">timer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>) <span class="op">-></span> <span class="ident">InitialMap</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m</span> <span class="op">=</span> <span class="ident">InitialMap</span> { <span class="ident">roads</span>: <span class="ident">BTreeMap</span>::<span class="ident">new</span>(), <span class="ident">intersections</span>: <span class="ident">BTreeMap</span>::<span class="ident">new</span>(), <span class="ident">bounds</span>: <span class="ident">bounds</span>.<span class="ident">clone</span>(), }; <span class="kw">for</span> (<span class="ident">id</span>, <span class="ident">i</span>) <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">raw</span>.<span class="ident">intersections</span> { <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">insert</span>( <span class="kw-2">*</span><span class="ident">id</span>, <span class="ident">Intersection</span> { <span class="ident">id</span>: <span class="kw-2">*</span><span class="ident">id</span>, <span class="comment">// Dummy thing to start with</span> <span class="ident">polygon</span>: <span class="ident">Circle</span>::<span class="ident">new</span>(<span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.0</span>)).<span class="ident">to_polygon</span>(), <span class="ident">roads</span>: <span class="ident">BTreeSet</span>::<span class="ident">new</span>(), <span class="ident">intersection_type</span>: <span class="ident">i</span>.<span class="ident">intersection_type</span>, <span class="ident">elevation</span>: <span class="ident">i</span>.<span class="ident">elevation</span>, }, ); } <span class="kw">for</span> (<span class="ident">id</span>, <span class="ident">r</span>) <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">raw</span>.<span class="ident">roads</span> { <span class="kw">if</span> <span class="ident">id</span>.<span class="ident">i1</span> <span class="op">==</span> <span class="ident">id</span>.<span class="ident">i2</span> { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Skipping loop {}"</span>, <span class="ident">id</span>)); <span class="kw">continue</span>; } <span class="kw">if</span> <span class="ident">PolyLine</span>::<span class="ident">new</span>(<span class="ident">r</span>.<span class="ident">center_points</span>.<span class="ident">clone</span>()).<span class="ident">is_err</span>() { <span class="ident">timer</span>.<span class="ident">warn</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Skipping broken geom {}"</span>, <span class="ident">id</span>)); <span class="kw">continue</span>; } <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="ident">id</span>.<span class="ident">i1</span>).<span class="ident">unwrap</span>().<span class="ident">roads</span>.<span class="ident">insert</span>(<span class="kw-2">*</span><span class="ident">id</span>); <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="ident">id</span>.<span class="ident">i2</span>).<span class="ident">unwrap</span>().<span class="ident">roads</span>.<span class="ident">insert</span>(<span class="kw-2">*</span><span class="ident">id</span>); <span class="ident">m</span>.<span class="ident">roads</span>.<span class="ident">insert</span>(<span class="kw-2">*</span><span class="ident">id</span>, <span class="ident">Road</span>::<span class="ident">new</span>(<span class="kw-2">*</span><span class="ident">id</span>, <span class="ident">r</span>, <span class="kw-2">&</span><span class="ident">raw</span>.<span class="ident">config</span>)); } <span class="ident">timer</span>.<span class="ident">start_iter</span>(<span class="string">"find each intersection polygon"</span>, <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">len</span>()); <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">values_mut</span>() { <span class="ident">timer</span>.<span class="ident">next</span>(); <span class="kw">match</span> <span class="ident">intersection_polygon</span>(<span class="ident">i</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">m</span>.<span class="ident">roads</span>, <span class="ident">timer</span>) { <span class="prelude-val">Ok</span>((<span class="ident">poly</span>, <span class="kw">_</span>)) <span class="op">=></span> { <span class="ident">i</span>.<span class="ident">polygon</span> <span class="op">=</span> <span class="ident">poly</span>; } <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> { <span class="ident">timer</span>.<span class="ident">error</span>(<span class="macro">format</span><span class="macro">!</span>( <span class="string">"Can't make intersection geometry for {}: {}"</span>, <span class="ident">i</span>.<span class="ident">id</span>, <span class="ident">err</span> )); <span class="comment">// Don't trim lines back at all</span> <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="kw-2">&</span><span class="ident">m</span>.<span class="ident">roads</span>[<span class="ident">i</span>.<span class="ident">roads</span>.<span class="ident">iter</span>().<span class="ident">next</span>().<span class="ident">unwrap</span>()]; <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">src_i</span> <span class="op">==</span> <span class="ident">i</span>.<span class="ident">id</span> { <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span>.<span class="ident">first_pt</span>() } <span class="kw">else</span> { <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span>.<span class="ident">last_pt</span>() }; <span class="ident">i</span>.<span class="ident">polygon</span> <span class="op">=</span> <span class="ident">Circle</span>::<span class="ident">new</span>(<span class="ident">pt</span>, <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">3.0</span>)).<span class="ident">to_polygon</span>(); <span class="comment">// Also don't attempt to make Movements later!</span> <span class="ident">i</span>.<span class="ident">intersection_type</span> <span class="op">=</span> <span class="ident">IntersectionType</span>::<span class="ident">StopSign</span>; } } } <span class="comment">// Some roads near borders get completely squished. Stretch them out here. Attempting to do</span> <span class="comment">// this in the convert_osm layer doesn't work, because predicting how much roads will be</span> <span class="comment">// trimmed is impossible.</span> <span class="kw">let</span> <span class="ident">min_len</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">5.0</span>); <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">m</span>.<span class="ident">intersections</span>.<span class="ident">values_mut</span>() { <span class="kw">if</span> <span class="ident">i</span>.<span class="ident">intersection_type</span> <span class="op">!=</span> <span class="ident">IntersectionType</span>::<span class="ident">Border</span> { <span class="kw">continue</span>; } <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">m</span>.<span class="ident">roads</span>.<span class="ident">get_mut</span>(<span class="ident">i</span>.<span class="ident">roads</span>.<span class="ident">iter</span>().<span class="ident">next</span>().<span class="ident">unwrap</span>()).<span class="ident">unwrap</span>(); <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span>.<span class="ident">length</span>() <span class="op">>=</span> <span class="ident">min_len</span> { <span class="kw">continue</span>; } <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">dst_i</span> <span class="op">==</span> <span class="ident">i</span>.<span class="ident">id</span> { <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span> <span class="op">=</span> <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span>.<span class="ident">extend_to_length</span>(<span class="ident">min_len</span>); } <span class="kw">else</span> { <span class="ident">r</span>.<span class="ident">trimmed_center_pts</span> <span class="op">=</span> <span class="ident">r</span> .<span class="ident">trimmed_center_pts</span> .<span class="ident">reversed</span>() .<span class="ident">extend_to_length</span>(<span class="ident">min_len</span>) .<span class="ident">reversed</span>(); } <span class="ident">i</span>.<span class="ident">polygon</span> <span class="op">=</span> <span class="ident">intersection_polygon</span>(<span class="ident">i</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">m</span>.<span class="ident">roads</span>, <span class="ident">timer</span>).<span class="ident">unwrap</span>().<span class="number">0</span>; <span class="ident">timer</span>.<span class="ident">note</span>(<span class="macro">format</span><span class="macro">!</span>( <span class="string">"Shifted border {} out a bit to make the road a reasonable length"</span>, <span class="ident">i</span>.<span class="ident">id</span> )); } <span class="ident">m</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>