antv-l7/.cache/caches/gatsby-transformer-remark/diskstore-b923ecb39dc7dd6f4752bf9bbf5c94da.json

{"expireTime":9007200827957780000,"key":"transformer-remark-markdown-html-4e775806f930bb554f175748236303d7-gatsby-remark-prettiergatsby-remark-prismjsgatsby-remark-external-linksgatsby-remark-autolink-headersgatsby-remark-reading-time-","val":"<h1 id=\"control\"><a href=\"#control\" aria-label=\"control permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>control</h1>\n<p>地图组件 用于控制地图的状态如果平移，缩放，或者展示地图一些的辅助信息如图例，比例尺</p>\n<h2 id=\"构造函数\"><a href=\"#%E6%9E%84%E9%80%A0%E5%87%BD%E6%95%B0\" aria-label=\"构造函数 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>构造函数</h2>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">const</span> baseControl <span class=\"token operator\">=</span> <span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Base</span><span class=\"token punctuation\">(</span>option<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"option\"><a href=\"#option\" aria-label=\"option permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>option</h4>\n<p> position: <code class=\"language-text\">string</code> 控件位置支持是个方位 <code class=\"language-text\">bottomright, topright, bottomleft, topleft</code></p>\n<h4 id=\"scene-内置地图组件\"><a href=\"#scene-%E5%86%85%E7%BD%AE%E5%9C%B0%E5%9B%BE%E7%BB%84%E4%BB%B6\" aria-label=\"scene 内置地图组件 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>scene 内置地图组件</h4>\n<p>zoom 地图放大缩小  默认添加<br />Scale 地图比例尺   默认添加<br />attribution 地图数据属性  默认添加<br />layer 图层列表</p>\n<p><strong>scene配置项设置控件添加状态</strong></p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\">scene <span class=\"token operator\">=</span> <span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>scene</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  zoomControl<span class=\"token punctuation\">:</span> <span class=\"token boolean\">true</span><span class=\"token punctuation\">,</span>\n  scaleControl<span class=\"token punctuation\">:</span> <span class=\"token boolean\">true</span><span class=\"token punctuation\">,</span>\n  attributionControl<span class=\"token punctuation\">:</span> <span class=\"token boolean\">true</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"\"><a href=\"#\" aria-label=\" permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a></h4>\n<h4 id=\"zoom\"><a href=\"#zoom\" aria-label=\"zoom permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>Zoom</h4>\n<p>放大缩小组件 默认 左上角</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Zoom</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  position<span class=\"token punctuation\">:</span> <span class=\"token string\">'topleft'</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"scale\"><a href=\"#scale\" aria-label=\"scale permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>Scale</h4>\n<p>比例尺组件默认左下角</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Scale</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  position<span class=\"token punctuation\">:</span> <span class=\"token string\">'bottomleft'</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"attribution\"><a href=\"#attribution\" aria-label=\"attribution permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>attribution</h4>\n<p>默认右下角</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Attribution</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  position<span class=\"token punctuation\">:</span> <span class=\"token string\">'bottomleft'</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"layer\"><a href=\"#layer\" aria-label=\"layer permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>layer</h4>\n<p>图层列表目前只支持可视化overlayers 图层控制</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">var</span> overlayers <span class=\"token operator\">=</span> <span class=\"token punctuation\">{</span>\n  围栏填充<span class=\"token punctuation\">:</span> layer<span class=\"token punctuation\">,</span>\n  围栏边界<span class=\"token punctuation\">:</span> layer2<span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">;</span>\n<span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Layers</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  overlayers<span class=\"token punctuation\">:</span> overlayers<span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h2 id=\"方法\"><a href=\"#%E6%96%B9%E6%B3%95\" aria-label=\"方法 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>方法</h2>\n<h4 id=\"onadd\"><a href=\"#onadd\" aria-label=\"onadd permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>onAdd</h4>\n<p>组件添加到地图Scene时调用，自定义组件时需要实现此方法</p>\n<h4 id=\"addto\"><a href=\"#addto\" aria-label=\"addto permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>addTo</h4>\n<p>添加到地图scene</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\">control<span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"setposition\"><a href=\"#setposition\" aria-label=\"setposition permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>setPosition</h4>\n<p>设置组件位置</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\">control<span class=\"token punctuation\">.</span><span class=\"token function\">setPosition</span><span class=\"token punctuation\">(</span><span class=\"token string\">'bottomright'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h4 id=\"remove\"><a href=\"#remove\" aria-label=\"remove permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>remove</h4>\n<p>移除地图组件</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\">control<span class=\"token punctuation\">.</span><span class=\"token function\">remove</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h2 id=\"示例代码\"><a href=\"#%E7%A4%BA%E4%BE%8B%E4%BB%A3%E7%A0%81\" aria-label=\"示例代码 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>示例代码</h2>\n<h4 id=\"自定义图例控件\"><a href=\"#%E8%87%AA%E5%AE%9A%E4%B9%89%E5%9B%BE%E4%BE%8B%E6%8E%A7%E4%BB%B6\" aria-label=\"自定义图例控件 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>自定义图例控件</h4>\n<p><a href=\"https://antv.alipay.com/zh-cn/l7/1.x/demo/component/extendControl.html\" target=\"_self\" rel=\"nofollow\">源码</a></p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token keyword\">var</span> legend <span class=\"token operator\">=</span> <span class=\"token keyword\">new</span> <span class=\"token class-name\">L7<span class=\"token punctuation\">.</span>Control<span class=\"token punctuation\">.</span>Base</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n  position<span class=\"token punctuation\">:</span> <span class=\"token string\">'bottomright'</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\nlegend<span class=\"token punctuation\">.</span><span class=\"token function-variable function\">onAdd</span> <span class=\"token operator\">=</span> <span class=\"token keyword\">function</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span> <span class=\"token punctuation\">{</span>\n  <span class=\"token keyword\">var</span> el <span class=\"token operator\">=</span> document<span class=\"token punctuation\">.</span><span class=\"token function\">createElement</span><span class=\"token punctuation\">(</span><span class=\"token string\">'div'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  el<span class=\"token punctuation\">.</span>className <span class=\"token operator\">=</span> <span class=\"token string\">'infolegend legend'</span><span class=\"token punctuation\">;</span>\n  <span class=\"token keyword\">var</span> grades <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">8</span><span class=\"token punctuation\">,</span> <span class=\"token number\">15</span><span class=\"token punctuation\">,</span> <span class=\"token number\">30</span><span class=\"token punctuation\">,</span> <span class=\"token number\">65</span><span class=\"token punctuation\">,</span> <span class=\"token number\">120</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">;</span>\n  <span class=\"token keyword\">for</span> <span class=\"token punctuation\">(</span><span class=\"token keyword\">var</span> i <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">;</span> i <span class=\"token operator\">&lt;</span> grades<span class=\"token punctuation\">.</span>length<span class=\"token punctuation\">;</span> i<span class=\"token operator\">++</span><span class=\"token punctuation\">)</span> <span class=\"token punctuation\">{</span>\n    el<span class=\"token punctuation\">.</span>innerHTML <span class=\"token operator\">+=</span>\n      <span class=\"token string\">'&lt;i style=\"background:'</span> <span class=\"token operator\">+</span>\n      colors<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">+</span>\n      <span class=\"token string\">'\">&lt;/i> '</span> <span class=\"token operator\">+</span>\n      grades<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">+</span>\n      <span class=\"token punctuation\">(</span>grades<span class=\"token punctuation\">[</span>i <span class=\"token operator\">+</span> <span class=\"token number\">1</span><span class=\"token punctuation\">]</span> <span class=\"token operator\">?</span> <span class=\"token string\">'–'</span> <span class=\"token operator\">+</span> grades<span class=\"token punctuation\">[</span>i <span class=\"token operator\">+</span> <span class=\"token number\">1</span><span class=\"token punctuation\">]</span> <span class=\"token operator\">+</span> <span class=\"token string\">'&lt;br>'</span> <span class=\"token punctuation\">:</span> <span class=\"token string\">'+'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  <span class=\"token punctuation\">}</span>\n  <span class=\"token keyword\">return</span> el<span class=\"token punctuation\">;</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">;</span>\nlegend<span class=\"token punctuation\">.</span><span class=\"token function\">addTo</span><span class=\"token punctuation\">(</span>scene<span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>\n<h2 id=\"-1\"><a href=\"#-1\" aria-label=\" 1 permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a></h2>\n<h2 id=\"faq\"><a href=\"#faq\" aria-label=\"faq permalink\" class=\"anchor\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>FAQ</h2>"}