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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><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main" 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"> 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class="ident">anyhow::Result</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">GPSBounds</span>, <span class="ident">LonLat</span>, <span class="ident">Pt2D</span>}; <span class="kw">use</span> <span class="ident">widgetry::EventCtx</span>; <span class="doccomment">/// Utilities for reflecting the current map and viewport in the URL on the web. No effect on</span> <span class="doccomment">/// native.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">URLManager</span>; <span class="kw">impl</span> <span class="ident">URLManager</span> { <span class="doccomment">/// This does nothing on native. On web, it modifies the current URL to change the first free</span> <span class="doccomment">/// parameter in the HTTP GET params to the specified value, adding it if needed.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">update_url_free_param</span>(<span class="ident">free_param</span>: <span class="ident">String</span>) { <span class="ident">must_update_url</span>(<span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">url</span><span class="op">|</span> <span class="ident">change_url_free_param</span>(<span class="ident">url</span>, <span class="kw-2">&</span><span class="ident">free_param</span>))) } <span class="doccomment">/// This does nothing on native. On web, it modifies the current URL to change the first named</span> <span class="doccomment">/// parameter in the HTTP GET params to the specified value, adding it if needed.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">update_url_param</span>(<span class="ident">key</span>: <span class="ident">String</span>, <span class="ident">value</span>: <span class="ident">String</span>) { <span class="ident">must_update_url</span>(<span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">url</span><span class="op">|</span> <span class="ident">change_url_param</span>(<span class="ident">url</span>, <span class="kw-2">&</span><span class="ident">key</span>, <span class="kw-2">&</span><span class="ident">value</span>))) } <span class="doccomment">/// This does nothing on native. On web, it modifies the current URL to set --cam to an</span> <span class="doccomment">/// OSM-style `zoom/lat/lon` string</span> <span class="doccomment">/// (https://wiki.openstreetmap.org/wiki/Browsing#Other_URL_tricks) based on the current</span> <span class="doccomment">/// viewport.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">update_url_cam</span>(<span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>, <span class="ident">gps_bounds</span>: <span class="kw-2">&</span><span class="ident">GPSBounds</span>) { <span class="kw">let</span> <span class="ident">center</span> <span class="op">=</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">center_to_map_pt</span>().<span class="ident">to_gps</span>(<span class="ident">gps_bounds</span>); <span class="comment">// To calculate zoom, just solve for the inverse of the code in parse_center_camera.</span> <span class="kw">let</span> <span class="ident">earth_circumference_equator</span> <span class="op">=</span> <span class="number">40_075_016.686</span>; <span class="kw">let</span> <span class="ident">log_arg</span> <span class="op">=</span> <span class="ident">earth_circumference_equator</span> <span class="op">*</span> <span class="ident">center</span>.<span class="ident">y</span>().<span class="ident">to_radians</span>().<span class="ident">cos</span>() <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span>; <span class="kw">let</span> <span class="ident">zoom_lvl</span> <span class="op">=</span> <span class="ident">log_arg</span>.<span class="ident">log2</span>() <span class="op">-</span> <span class="number">8.0</span>; <span class="comment">// Trim precision</span> <span class="kw">let</span> <span class="ident">cam</span> <span class="op">=</span> <span class="macro">format!</span>(<span class="string">"{:.2}/{:.5}/{:.5}"</span>, <span class="ident">zoom_lvl</span>, <span class="ident">center</span>.<span class="ident">y</span>(), <span class="ident">center</span>.<span class="ident">x</span>()); <span class="ident">must_update_url</span>(<span class="ident">Box::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">url</span><span class="op">|</span> <span class="ident">change_url_param</span>(<span class="ident">url</span>, <span class="string">"--cam"</span>, <span class="kw-2">&</span><span class="ident">cam</span>))) } <span class="doccomment">/// Parse an OSM-style `zoom/lat/lon` string</span> <span class="doccomment">/// (https://wiki.openstreetmap.org/wiki/Browsing#Other_URL_tricks), changing the canvas</span> <span class="doccomment">/// appropriately. Returns true upon success.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">change_camera</span>(<span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">raw</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">String</span><span class="op">></span>, <span class="ident">gps_bounds</span>: <span class="kw-2">&</span><span class="ident">GPSBounds</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">pt</span>, <span class="ident">zoom</span>)) <span class="op">=</span> <span class="ident">raw</span>.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">raw</span><span class="op">|</span> <span class="ident">URLManager::parse_center_camera</span>(<span class="ident">raw</span>, <span class="ident">gps_bounds</span>)) { <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">cam_zoom</span> <span class="op">=</span> <span class="ident">zoom</span>; <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">center_on_map_pt</span>(<span class="ident">pt</span>); <span class="bool-val">true</span> } <span class="kw">else</span> { <span class="bool-val">false</span> } } <span class="doccomment">/// Parse an OSM-style `zoom/lat/lon` string</span> <span class="doccomment">/// (https://wiki.openstreetmap.org/wiki/Browsing#Other_URL_tricks), returning the map point to</span> <span class="doccomment">/// center on and the camera zoom.</span> <span class="kw">fn</span> <span class="ident">parse_center_camera</span>(<span class="ident">raw</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">gps_bounds</span>: <span class="kw-2">&</span><span class="ident">GPSBounds</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Pt2D</span>, <span class="ident">f64</span>)<span class="op">></span> { <span class="kw">let</span> <span class="ident">parts</span>: <span class="ident">Vec</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> <span class="op">=</span> <span class="ident">raw</span>.<span class="ident">split</span>(<span class="string">'/'</span>).<span class="ident">collect</span>(); <span class="kw">if</span> <span class="ident">parts</span>.<span class="ident">len</span>() <span class="op">!</span><span class="op">=</span> <span class="number">3</span> { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">let</span> <span class="ident">zoom_lvl</span> <span class="op">=</span> <span class="ident">parts</span>[<span class="number">0</span>].<span class="ident">parse</span>::<span class="op"><</span><span class="ident">f64</span><span class="op">></span>().<span class="ident">ok</span>()<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">lat</span> <span class="op">=</span> <span class="ident">parts</span>[<span class="number">1</span>].<span class="ident">parse</span>::<span class="op"><</span><span class="ident">f64</span><span class="op">></span>().<span class="ident">ok</span>()<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">lon</span> <span class="op">=</span> <span class="ident">parts</span>[<span class="number">2</span>].<span class="ident">parse</span>::<span class="op"><</span><span class="ident">f64</span><span class="op">></span>().<span class="ident">ok</span>()<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">gps</span> <span class="op">=</span> <span class="ident">LonLat::new</span>(<span class="ident">lon</span>, <span class="ident">lat</span>); <span class="kw">if</span> <span class="op">!</span><span class="ident">gps_bounds</span>.<span class="ident">contains</span>(<span class="ident">gps</span>) { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> <span class="ident">gps</span>.<span class="ident">to_pt</span>(<span class="ident">gps_bounds</span>); <span class="comment">// To figure out zoom, first calculate horizontal meters per pixel, using the formula from</span> <span class="comment">// https://wiki.openstreetmap.org/wiki/Zoom_levels.</span> <span class="kw">let</span> <span class="ident">earth_circumference_equator</span> <span class="op">=</span> <span class="number">40_075_016.686</span>; <span class="kw">let</span> <span class="ident">horiz_meters_per_pixel</span> <span class="op">=</span> <span class="ident">earth_circumference_equator</span> <span class="op">*</span> <span class="ident">gps</span>.<span class="ident">y</span>().<span class="ident">to_radians</span>().<span class="ident">cos</span>() <span class="op">/</span> <span class="number">2.0_f64</span>.<span class="ident">powf</span>(<span class="ident">zoom_lvl</span> <span class="op">+</span> <span class="number">8.0</span>); <span class="comment">// So this is the width in meters that should cover our screen</span> <span class="comment">// let horiz_meters_per_screen = ctx.canvas.window_width * horiz_meters_per_pixel;</span> <span class="comment">// Now we want to make screen_to_map(the top-right corner of the screen) =</span> <span class="comment">// horiz_meters_per_screen. Easy algebra:</span> <span class="comment">// let cam_zoom = ctx.canvas.window_width / horiz_meters_per_screen;</span> <span class="comment">// But actually, the algebra shows we don't even need window_width. Easy!</span> <span class="kw">let</span> <span class="ident">cam_zoom</span> <span class="op">=</span> <span class="number">1.0</span> <span class="op">/</span> <span class="ident">horiz_meters_per_pixel</span>; <span class="prelude-val">Some</span>((<span class="ident">pt</span>, <span class="ident">cam_zoom</span>)) } } <span class="kw">fn</span> <span class="ident">must_update_url</span>(<span class="ident">transform</span>: <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="ident">String</span>) <span class="op">-</span><span class="op">></span> <span class="ident">String</span><span class="op">></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">update_url</span>(<span class="ident">transform</span>) { <span class="macro">warn!</span>(<span class="string">"Couldn't update URL: {}"</span>, <span class="ident">err</span>); } } <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">unused_variables</span>)]</span> <span class="kw">fn</span> <span class="ident">update_url</span>(<span class="ident">transform</span>: <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">Fn</span>(<span class="ident">String</span>) <span class="op">-</span><span class="op">></span> <span class="ident">String</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>)]</span> { <span class="kw">let</span> <span class="ident">window</span> <span class="op">=</span> <span class="ident">web_sys::window</span>().<span class="ident">ok_or</span>(<span class="macro">anyhow!</span>(<span class="string">"no window?"</span>))<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">url</span> <span class="op">=</span> <span class="ident">window</span>.<span class="ident">location</span>().<span class="ident">href</span>().<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">err</span><span class="op">|</span> { <span class="macro">anyhow!</span>(<span class="ident">err</span> .<span class="ident">as_string</span>() .<span class="ident">unwrap_or</span>(<span class="string">"window.location.href failed"</span>.<span class="ident">to_string</span>())) })<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">new_url</span> <span class="op">=</span> (<span class="ident">transform</span>)(<span class="ident">url</span>); <span class="comment">// Setting window.location.href may seem like the obvious thing to do, but that actually</span> <span class="comment">// refreshes the page. This method just changes the URL and doesn't mess up history. See</span> <span class="comment">// https://developer.mozilla.org/en-US/docs/Web/API/History_API/Working_with_the_History_API.</span> <span class="kw">let</span> <span class="ident">history</span> <span class="op">=</span> <span class="ident">window</span>.<span class="ident">history</span>().<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">err</span><span class="op">|</span> { <span class="macro">anyhow!</span>(<span class="ident">err</span> .<span class="ident">as_string</span>() .<span class="ident">unwrap_or</span>(<span class="string">"window.history failed"</span>.<span class="ident">to_string</span>())) })<span class="question-mark">?</span>; <span class="ident">history</span> .<span class="ident">replace_state_with_url</span>(<span class="kw-2">&</span><span class="ident">wasm_bindgen::JsValue::NULL</span>, <span class="string">""</span>, <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="ident">new_url</span>)) .<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">err</span><span class="op">|</span> { <span class="macro">anyhow!</span>(<span class="ident">err</span> .<span class="ident">as_string</span>() .<span class="ident">unwrap_or</span>(<span class="string">"window.history.replace_state failed"</span>.<span class="ident">to_string</span>())) })<span class="question-mark">?</span>; } <span class="prelude-val">Ok</span>(()) } <span class="kw">fn</span> <span class="ident">change_url_free_param</span>(<span class="ident">url</span>: <span class="ident">String</span>, <span class="ident">free_param</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="ident">String</span> { <span class="comment">// The URL parsing crates I checked had lots of dependencies and didn't even expose such a nice</span> <span class="comment">// API for doing this anyway.</span> <span class="kw">let</span> <span class="ident">url_parts</span> <span class="op">=</span> <span class="ident">url</span>.<span class="ident">split</span>(<span class="string">'?'</span>).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span><span class="op">></span>(); <span class="kw">if</span> <span class="ident">url_parts</span>.<span class="ident">len</span>() <span class="op">=</span><span class="op">=</span> <span class="number">1</span> { <span class="kw">return</span> <span class="macro">format!</span>(<span class="string">"{}?{}"</span>, <span class="ident">url</span>, <span class="ident">free_param</span>); } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">query_params</span> <span class="op">=</span> <span class="ident">String::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found_free</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">true</span>; <span class="kw">for</span> <span class="ident">x</span> <span class="kw">in</span> <span class="ident">url_parts</span>[<span class="number">1</span>].<span class="ident">split</span>(<span class="string">'&'</span>) { <span class="kw">if</span> <span class="op">!</span><span class="ident">first</span> { <span class="ident">query_params</span>.<span class="ident">push</span>(<span class="string">'&'</span>); } <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">if</span> <span class="ident">x</span>.<span class="ident">starts_with</span>(<span class="string">"--"</span>) { <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="ident">x</span>); } <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">found_free</span> { <span class="comment">// Replace the first free parameter</span> <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="ident">free_param</span>); <span class="ident">found_free</span> <span class="op">=</span> <span class="bool-val">true</span>; } <span class="kw">else</span> { <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="ident">x</span>); } } <span class="kw">if</span> <span class="op">!</span><span class="ident">found_free</span> { <span class="kw">if</span> <span class="op">!</span><span class="ident">first</span> { <span class="ident">query_params</span>.<span class="ident">push</span>(<span class="string">'&'</span>); } <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="ident">free_param</span>); } <span class="macro">format!</span>(<span class="string">"{}?{}"</span>, <span class="ident">url_parts</span>[<span class="number">0</span>], <span class="ident">query_params</span>) } <span class="kw">fn</span> <span class="ident">change_url_param</span>(<span class="ident">url</span>: <span class="ident">String</span>, <span class="ident">key</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="ident">String</span> { <span class="comment">// The URL parsing crates I checked had lots of dependencies and didn't even expose such a nice</span> <span class="comment">// API for doing this anyway.</span> <span class="kw">let</span> <span class="ident">url_parts</span> <span class="op">=</span> <span class="ident">url</span>.<span class="ident">split</span>(<span class="string">'?'</span>).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span><span class="op">></span>(); <span class="kw">if</span> <span class="ident">url_parts</span>.<span class="ident">len</span>() <span class="op">=</span><span class="op">=</span> <span class="number">1</span> { <span class="kw">return</span> <span class="macro">format!</span>(<span class="string">"{}?{}={}"</span>, <span class="ident">url</span>, <span class="ident">key</span>, <span class="ident">value</span>); } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">query_params</span> <span class="op">=</span> <span class="ident">String::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found_key</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">true</span>; <span class="kw">for</span> <span class="ident">x</span> <span class="kw">in</span> <span class="ident">url_parts</span>[<span class="number">1</span>].<span class="ident">split</span>(<span class="string">'&'</span>) { <span class="kw">if</span> <span class="op">!</span><span class="ident">first</span> { <span class="ident">query_params</span>.<span class="ident">push</span>(<span class="string">'&'</span>); } <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">if</span> <span class="ident">x</span>.<span class="ident">starts_with</span>(<span class="ident">key</span>) { <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"{}={}"</span>, <span class="ident">key</span>, <span class="ident">value</span>)); <span class="ident">found_key</span> <span class="op">=</span> <span class="bool-val">true</span>; } <span class="kw">else</span> { <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="ident">x</span>); } } <span class="kw">if</span> <span class="op">!</span><span class="ident">found_key</span> { <span class="kw">if</span> <span class="op">!</span><span class="ident">first</span> { <span class="ident">query_params</span>.<span class="ident">push</span>(<span class="string">'&'</span>); } <span class="ident">query_params</span>.<span class="ident">push_str</span>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"{}={}"</span>, <span class="ident">key</span>, <span class="ident">value</span>)); } <span class="macro">format!</span>(<span class="string">"{}?{}"</span>, <span class="ident">url_parts</span>[<span class="number">0</span>], <span class="ident">query_params</span>) } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> <span class="kw">mod</span> <span class="ident">tests</span> { <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_change_url_free_param</span>() { <span class="kw">use</span> <span class="kw">super</span><span class="ident">::change_url_free_param</span>; <span class="macro">assert_eq!</span>( <span class="string">"http://0.0.0.0:8000/?--dev&seattle/maps/montlake.bin"</span>, <span class="ident">change_url_free_param</span>( <span class="string">"http://0.0.0.0:8000/?--dev"</span>.<span class="ident">to_string</span>(), <span class="string">"seattle/maps/montlake.bin"</span> ) ); <span class="macro">assert_eq!</span>( <span class="string">"http://0.0.0.0:8000/?--dev&seattle/maps/qa.bin"</span>, <span class="ident">change_url_free_param</span>( <span class="string">"http://0.0.0.0:8000/?--dev&seattle/maps/montlake.bin"</span>.<span class="ident">to_string</span>(), <span class="string">"seattle/maps/qa.bin"</span> ) ); <span class="macro">assert_eq!</span>( <span class="string">"http://0.0.0.0:8000?seattle/maps/montlake.bin"</span>, <span class="ident">change_url_free_param</span>( <span class="string">"http://0.0.0.0:8000"</span>.<span class="ident">to_string</span>(), <span class="string">"seattle/maps/montlake.bin"</span> ) ); } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_change_url_param</span>() { <span class="kw">use</span> <span class="kw">super</span><span class="ident">::change_url_param</span>; <span class="macro">assert_eq!</span>( <span class="string">"http://0.0.0.0:8000/?--dev&seattle/maps/montlake.bin&--cam=16.6/53.78449/-1.70701"</span>, <span class="ident">change_url_param</span>( <span class="string">"http://0.0.0.0:8000/?--dev&seattle/maps/montlake.bin"</span>.<span class="ident">to_string</span>(), <span class="string">"--cam"</span>, <span class="string">"16.6/53.78449/-1.70701"</span> ) ); <span class="macro">assert_eq!</span>( <span class="string">"http://0.0.0.0:8000?--cam=16.6/53.78449/-1.70701"</span>, <span class="ident">change_url_param</span>( <span class="string">"http://0.0.0.0:8000"</span>.<span class="ident">to_string</span>(), <span class="string">"--cam"</span>, <span class="string">"16.6/53.78449/-1.70701"</span> ) ); } } </pre></div> </section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="map_gui" data-search-index-js="../../../search-index.js" data-search-js="../../../search.js"></div> <script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script> </body></html>