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- ---
- sidebar: auto
- ---
-
- # 第三方集成 🌎
-
- 在三维场景中添加第三方的地图库
-
- ## DC.ChartLayer
-
- > 图表图层,继承于[Layer](../layer/#layer)
-
- ### example
-
- ```js
- let chartLayer = new DC.ChartLayer('layer')
- viewer.addLayer(chartLayer)
- ```
-
- :::warning
- 图表图层依赖于 echarts 库,使用前请确保全局变量中能够获取到 echarts
- :::
-
- ### creation
-
- - **_constructor([id],[option])_**
-
- 构造函数
-
- - 参数
- - `{String} id`:唯一标识
- - `{Object} option`:echarts 配置,详情参考:[echarts](https://www.echartsjs.com/zh/option.html#title)
- - 返回值 `chartLayer`
-
- ```json
- // options,其他的参数参考 echarts
- {
- "animation": false, // 必须要加
- "GLMap": {}, //地图
- "series": [
- {
- "coordinateSystem": "GLMap" // 坐标系统
- }
- ]
- }
- ```
-
- ### methods
-
- - **_setOption(option)_**
-
- 设置点位
-
- - 参数
- - `{Object} option`:echarts 配置,详情参考:[echarts](https://www.echartsjs.com/zh/option.html#title)
- - 返回值 `this`
-
- ## DC.MapvDataSet
-
- ### example
-
- ```js
- let geoCoordMap = {
- 上海: [121.4648, 31.2891],
- 东莞: [113.8953, 22.901],
- 东营: [118.7073, 37.5513],
- 中山: [113.4229, 22.478],
- 临汾: [111.4783, 36.1615],
- }
- let data = []
- for (let key in geoCoordMap) {
- let geoCoord = geoCoordMap[key]
- data.push({
- geometry: {
- type: 'Point',
- coordinates: [
- geoCoord[0] - 2 + Math.random() * 4,
- geoCoord[1] - 2 + Math.random() * 4,
- ],
- },
- count: 30 * Math.random(),
- })
- }
-
- let dataset = new DC.MapvDataSet(data)
- ```
-
- ### creation
-
- - **_constructor(data)_**
-
- 构造函数
-
- - 参数
- - `{Array<Object>} data`:数据数组,详情参考:[DataSet](https://github.com/huiyan-fe/mapv/blob/master/src/data/DataSet.md)
- - 返回值 `dataset`
-
- ```json
- // 数据说明
- {
- "geometry": {
- "type": "Point", // 类别,有:Point、Polygon、LineString
- "coordinates": [123, 23] // 坐标,线和面是二位数组
- },
- "count": 30, // 用于阈值计算
- "time": 100 * Math.random() // 步长 用于动画
- }
- ```
-
- ## DC.MapvLayer
-
- > 数据可视化图层,继承于[Layer](../layer/#layer)
-
- ### example
-
- ```js
- let options = {
- fillStyle: 'rgba(55, 50, 250, 0.8)',
- shadowColor: 'rgba(255, 250, 50, 1)',
- shadowBlur: 20,
- size: 40,
- globalAlpha: 0.5,
- label: {
- show: true,
- fillStyle: 'white',
- },
- animation: {
- type: 'time',
- stepsRange: {
- start: 0,
- end: 100,
- },
- trails: 10,
- duration: 4,
- },
- gradient: {
- 0.25: 'rgb(0,0,255)',
- 0.55: 'rgb(0,255,0)',
- 0.85: 'yellow',
- 1.0: 'rgb(255,0,0)',
- },
- draw: 'grid',
- }
- let layer = new DC.MapvLayer('layer', options)
- viewer.addLayer(layer)
- ```
-
- ### creation
-
- - **_constructor(id,options)_**
-
- 构造函数
-
- - 参数
- - `{String} id`:图层唯一标识
- - `{Object} options`:属性
- - 返回值 `mapvLayer`
-
- ```json
- // 属性参数(可选)
- {
- "fillStyle": "rgba(55, 50, 250, 0.8)", //颜色
- "shadowColor": "rgba(255, 250, 50, 1)", // 阴影颜色
- "shadowBlur": 20, // 阴影扩散
- "size": 40, // 点大小
- "globalAlpha": 0.5, //
- "globalCompositeOperation": "lighter",
- "label": {
- "show": true,
- "fillStyle": "white"
- }, // 文字
- "animation": {
- "type": "time",
- "stepsRange": {
- "start": 0,
- "end": 100
- },
- "trails": 10,
- "duration": 4
- }, //动画
- "lineWidth": 0.7, // 线宽
- "lineDash": [15], // 虚线
- "gradient": {
- 0.25: "rgb(0,0,255)",
- 0.55: "rgb(0,255,0)",
- 0.85: "yellow",
- 1.0: "rgb(255,0,0)"
- }, //渐变
- "draw": "grid" //展现方式 有:simple:简单、intensity:强度、honeycomb:蜂巢、grid:格子等
- }
- ```
-
- ### methods
-
- - **_setDataSet(dataset)_**
-
- 设置点位
-
- - 参数
- - `{MapvDataSet} dataset`: 数据配置
- - 返回值 `this`
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