<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `perp_line` fn in crate `map_gui`."><metaname="keywords"content="rust, rustlang, rust-lang, perp_line"><title>perp_line in map_gui::render::intersection - Rust</title><linkrel="stylesheet"type="text/css"href="../../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../../ayu.css"disabled><scriptid="default-settings"></script><scriptsrc="../../../storage.js"></script><scriptsrc="../../../crates.js"></script><noscript><linkrel="stylesheet"href="../../../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../../../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../../../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../../../favicon.svg"><styletype="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><bodyclass="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu"role="button">☰</div><ahref='../../../map_gui/index.html'><divclass='logo-container rust-logo'><imgsrc='../../../rust-logo.png'alt='logo'></div></a><divclass="sidebar-elems"><h2class="location">Other items in<br><ahref="../../index.html">map_gui</a>::<wbr><ahref="../index.html">render</a>::<wbr><ahref="index.html">intersection</a></h2><divid="sidebar-vars"data-name="perp_line"data-ty="fn"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="18"height="18"alt="Pick another theme!"src="../../../brush.svg"></button><divid="theme-choices"role="menu"></div></div><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"disabledautocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../../../settings.html"title="settings"><imgwidth="18"height="18"alt="Change settings"src="../../../wheel.svg"></a></div></form></nav><sectionid="main"class="content"><h1class="fqn"><spanclass="in-band">Function <ahref="../../index.html">map_gui</a>::<wbr><ahref="../index.html">render</a>::<wbr><ahref="index.html">intersection</a>::<wbr><aclass="fn"href="#">perp_line</a><buttonid="copy-path"onclick="copy_path(this)"title="Copy item path to clipboard"><imgsrc="../../../clipboard.svg"width="19"height="18"alt="Copy item path"></button></span><spanclass="out-of-band"><spanid="render-detail"><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span><aclass="srclink"href="../../../src/map_gui/render/intersection.rs.html#630-634"title="goto source code">[src]</a></span></h1><preclass="rust fn"><code>fn perp_line(l: <aclass="struct"href="../../../geom/line/struct.Line.html"title="struct geom::line::Line">Line</a>, length: <aclass="struct"href="../../../geom/distance/struct.Distance.html"title="struct geom::distance::Distance">Distance</a>) -><aclass="struct"href="../../../geom/line/struct.Line.html"title="struct geom::line::Line">Line</a></code></pre></section><sectionid="search"class="content hidden"></section><divid="rustdoc-vars"data-root-path="../../../"data-current-crate=