2019-11-25 11:47:02 +08:00
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---
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title: MapBox BaseMap
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order: 0
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---
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## 使用Mapbox 地图
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1、注册MapBox token
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注册地址 [Mapbox Access Tokens](https://docs.mapbox.com/help/how-mapbox-works/access-tokens/#creating-and-managing-access-tokens)
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2、引入mapbox.gl JS 和 css
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使用mapbox 需要单独引入 mapbox
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```html
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<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.css' rel='stylesheet' />
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<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.js'></script>
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```
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### 引入 L7
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```html
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2019-11-29 15:51:47 +08:00
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<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.l7-2.0.0-beta.16/dist/l7.js"></script>
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2019-11-25 11:47:02 +08:00
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```
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#### 添加div 标签指定地图容器
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同时需要为Div设置 高度和宽度
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``` html
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<div id="map"></div>
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````
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### 初始化 L7 Scene
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``` javascript
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const scene = new L7.Scene({
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id: 'map',
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2019-11-26 17:51:29 +08:00
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map: new L7.Mapbox({
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style: 'dark', // 样式URL
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center: [120.19382669582967, 30.258134],
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pitch: 0,
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zoom: 12,
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token: 'mapbox token',
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}),
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2019-11-25 11:47:02 +08:00
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});
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```
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这样我们就完成了通过L7 实例化mapbox地图
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### 添加可视化图层
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- 首先我们需要获取数据，获取数据方法，这里我们获取在线的json数据
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- 然后我们就可以初始一个Layer，并添加到Scene就完成了图层的添加。
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``` javascript
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fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
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.then(res => res.json())
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.then(data => {
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const pointLayer = new L7.PointLayer({})
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.source(data.list, {
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parser: {
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type: 'json',
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x: 'j',
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y: 'w'
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}
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})
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.shape('cylinder')
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.size('t', function(level) {
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return [ 1, 2, level * 2 + 20 ];
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})
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.color('t', [
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'#094D4A',
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'#146968',
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'#1D7F7E',
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'#289899',
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'#34B6B7',
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'#4AC5AF',
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'#5FD3A6',
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'#7BE39E',
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'#A1EDB8',
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'#CEF8D6'
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])
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.style({
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opacity: 1.0
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});
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scene.addLayer(pointLayer);
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});
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```
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### 完整demo 代码
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```html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>创建地图场景</title>
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<style> ::-webkit-scrollbar{display:none;}html,body{overflow:hidden;margin:0;}
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#map { position:absolute; top:0; bottom:0; width:100%; }
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</style>
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</head>
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<body>
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<div id="map"></div>
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2019-11-29 15:51:47 +08:00
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<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.l7-2.0.0-beta.16/dist/l7.js"></script>
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2019-11-25 11:47:02 +08:00
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<script>
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const scene = new L7.Scene({
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id: 'map',
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2019-11-26 17:51:29 +08:00
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map: new L7.Mapbox({
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style: 'dark', // 样式URL
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center: [120.19382669582967, 30.258134],
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pitch: 0,
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zoom: 12,
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token: 'mapbox token',
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}),
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2019-11-25 11:47:02 +08:00
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});
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fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
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.then(res => res.json())
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.then(data => {
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const pointLayer = new L7.PointLayer({})
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.source(data.list, {
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parser: {
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type: 'json',
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x: 'j',
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y: 'w'
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}
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})
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.shape('cylinder')
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.size('t', function(level) {
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return [ 1, 2, level * 2 + 20 ];
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})
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.color('t', [
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'#094D4A',
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'#146968',
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'#1D7F7E',
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'#289899',
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'#34B6B7',
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'#4AC5AF',
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'#5FD3A6',
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'#7BE39E',
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'#A1EDB8',
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'#CEF8D6'
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])
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.style({
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opacity: 1.0
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});
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scene.addLayer(pointLayer);
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});
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</script>
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</body>
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</html>
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```
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