<!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 `raw_map/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><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 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Useful utilities for working with OpenStreetMap.</span> <span class="kw">use</span> <span class="ident">std::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 class="ident">Debug</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="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="ident">RoadRank::Highway</span>, <span class="string">"trunk"</span> <span class="op">|</span> <span class="string">"trunk_link"</span> => <span class="ident">RoadRank::Highway</span>, <span class="string">"primary"</span> <span class="op">|</span> <span class="string">"primary_link"</span> => <span class="ident">RoadRank::Arterial</span>, <span class="string">"secondary"</span> <span class="op">|</span> <span class="string">"secondary_link"</span> => <span class="ident">RoadRank::Arterial</span>, <span class="string">"tertiary"</span> <span class="op">|</span> <span class="string">"tertiary_link"</span> => <span class="ident">RoadRank::Arterial</span>, <span class="kw">_</span> => <span class="ident">RoadRank::Local</span>, } } <span class="doccomment">/// Larger number means a bigger road, according to https://wiki.openstreetmap.org/wiki/Key:highway</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">detailed_from_highway</span>(<span class="ident">hwy</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="ident">usize</span> { <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">x</span>) <span class="kw">in</span> <span class="macro">vec!</span>[ <span class="string">"motorway"</span>, <span class="string">"motorway_link"</span>, <span class="string">"trunk"</span>, <span class="string">"trunk_link"</span>, <span class="string">"primary"</span>, <span class="string">"primary_link"</span>, <span class="string">"secondary"</span>, <span class="string">"secondary_link"</span>, <span class="string">"tertiary"</span>, <span class="string">"tertiary_link"</span>, <span class="string">"unclassified"</span>, <span class="string">"residential"</span>, <span class="string">"cycleway"</span>, <span class="string">"track"</span>, ] .<span class="ident">into_iter</span>() .<span class="ident">enumerate</span>() { <span class="kw">if</span> <span class="ident">hwy</span> <span class="op">==</span> <span class="ident">x</span> { <span class="kw">return</span> <span class="number">100</span> <span class="op">-</span> <span class="ident">idx</span>; } } <span class="comment">// Everything else gets lowest priority</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">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::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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="macro">write!</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::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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="macro">write!</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::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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="macro">write!</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::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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OsmID::Node</span>(<span class="ident">n</span>) => <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"{}"</span>, <span class="ident">n</span>), <span class="ident">OsmID::Way</span>(<span class="ident">w</span>) => <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"{}"</span>, <span class="ident">w</span>), <span class="ident">OsmID::Relation</span>(<span class="ident">r</span>) => <span class="macro">write!</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="ident">i64</span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">OsmID::Node</span>(<span class="ident">n</span>) => <span class="ident">n</span>.<span class="number">0</span>, <span class="ident">OsmID::Way</span>(<span class="ident">w</span>) => <span class="ident">w</span>.<span class="number">0</span>, <span class="ident">OsmID::Relation</span>(<span class="ident">r</span>) => <span class="ident">r</span>.<span class="number">0</span>, } } } </code></pre></div> </section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="raw_map" data-search-index-js="../../search-index.js" data-search-js="../../search.js"></div> </body></html>