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								# cesium-plot-js
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								cesium 军事标绘插件,支持绘制多边形、曲线、箭头等图形
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								淡入淡出效果:
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								生长动画:
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								在线示例: [demo](https://ethan-zf.github.io/cesium-plot-js/examples/index.html)
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								### CDN
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								1. 引入文件
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								```
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								<script src="https://unpkg.com/cesium-plot-js"></script>
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								```
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								2. 调用绘制 api
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								```
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								  new CesiumPlot.FineArrow(Cesium, viewer);
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								```
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								### NPM
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								1. install
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								```
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								npm i cesium-plot-js
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								```
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								2. import
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								```
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								import CesiumPlot from 'cesium-plot-js';
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								```
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								3. 调用绘制 api
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								```
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								  new CesiumPlot.FineArrow(Cesium, viewer);
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								```
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								### Classes
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								每个图形为独立的类,绑定事件或其他操作通过类的实例来实现
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								| 类名                   | 类型      | 描述             | 生长动画 |
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								| ---------------------- | --------- | ---------------- | -------- |
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								| Polygon                | 'polygon' | 多边形           | ❌       |
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								| Reactangle             | 'polygon' | 矩形             | ❌       |
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								| Triangle               | 'polygon' | 三角形           | ❌       |
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								| Circle                 | 'polygon' | 圆形             | ❌       |
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								| Sector                 | 'polygon' | 扇形             | ❌       |
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								| StraightArrow          | 'line'    | 细直箭头         | ✔️       |
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								| CurvedArrow            | 'line'    | 曲线箭头         | ✔️       |
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								| FineArrow              | 'polygon' | 直箭头           | ✔️       |
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								| AttackArrow            | 'polygon' | 进攻方向箭头     | ✔️       |
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								| SwallowtailAttackArrow | 'polygon' | 燕尾进攻方向箭头 | ✔️       |
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								| SquadCombat            | 'polygon' | 分队战斗方向     | ✔️       |
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								| SwallowtailSquadCombat | 'polygon' | 燕尾分队战斗方向 | ✔️       |
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								| AssaultDirection       | 'polygon' | 突击方向         | ✔️       |
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								| DoubleArrow            | 'polygon' | 双箭头           | ✔️       |
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								| FreehandLine           | 'line'    | 自由线           | ❌       |
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								| FreehandPolygon        | 'polygon' | 自由面           | ❌       |
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								| Curve                  | 'line'    | 曲线             | ❌       |
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								| Ellipse                | 'polygon' | 椭圆             | ❌       |
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								| Lune                   | 'polygon' | 半月面           | ❌       |
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								### 构造函数
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								所有图形的构造函数:
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								<类名>(cesium: Cesium, viewer: Cesium.Viewer, style?: [PolygonStyle](#PolygonStyle) | [LineStyle](#LineStyle))
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								<h5 id='PolygonStyle'>PolygonStyle类型</h5>
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								```
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								{
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								  material?: Cesium.MaterialProperty;
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								  outlineWidth?: number;
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								  outlineMaterial?: Cesium.MaterialProperty;
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								};
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								```
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								<h5 id='LineStyle'>LineStyle类型</h5>
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								```
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								{
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								  material?: Cesium.Color;
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								  lineWidth?: number;
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								};
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								```
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								示例
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								```
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								// 初始化viewer
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								const viewer = new Cesium.Viewer('cesiumContainer');
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								// 抗锯齿
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								viewer.scene.postProcessStages.fxaa.enabled = true;
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								// 设置自定义样式
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								const geometry = new CesiumPlot.FineArrow(Cesium, viewer, {
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								  material: Cesium.Color.fromCssColorString('rgba(59, 178, 208, 0.5)'),
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								  outlineMaterial: Cesium.Color.fromCssColorString('rgba(59, 178, 208, 1)'),
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								  outlineWidth: 3,
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								});
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								```
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								### 类的实例方法
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								| 方法名               | 参数                                                                  | 描述                                                 |
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								| -------------------- | --------------------------------------------------------------------- | ---------------------------------------------------- |
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								| hide                 | options?: [AnimationOpts](#AnimationOpts)                             | 隐藏,options 可配置动画参数,参数缺省时,不显示动画 |
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								| show                 | options?: [AnimationOpts](#AnimationOpts)                             | 显示,options 可配置动画参数,参数缺省时,不显示动画 |
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								| startGrowthAnimation | options?: [AnimationOpts](#AnimationOpts)                             | 生长动画,options 可配置动画参数                     |
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								| getPoints            |                                                                       | 获取图形关键点位                                     |
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								| remove               |                                                                       | 删除                                                 |
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								| on                   | (event: [EventType](#EventType), listener: (eventData?: any) => void) | 绑定事件                                             |
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								| off                  | (event: [EventType](#EventType))                                      | 解绑事件                                             |
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								<h5 id='AnimationOpts'>AnimationOpts类型</h5>
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								| 参数     | 类型       | 默认值 | 描述                   |
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								| -------- | ---------- | ------ | ---------------------- |
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								| duration | number     | 2000   | 动画持续时间(ms)     |
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								| delay    | number     | 0      | 动画延迟启动时间(ms) |
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								| callback | () => void | -      | 动画结束回调           |
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								```
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								// 隐藏图形
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								const geometry = new CesiumPlot.Reactangle(Cesium, viewer);
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								geometry.hide();
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								```
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								```
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								// 绑定事件
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								const geometry = new CesiumPlot.Reactangle(Cesium, viewer);
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								geometry.on('drawEnd', (data)=>{
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								  console.log(data)
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								});
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								```
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								### 静态方法
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								**CesiumPlot.createGeometryFromData(cesium: Cesium, viewer: Cesium.Viewer, options:[CreateGeometryFromDataOpts](#CreateGeometryFromDataOpts))**
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								根据图形的关键点位重新生成图形
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								<h5 id='CreateGeometryFromDataOpts'>CreateGeometryFromDataOpts参数类型</h5>
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								```
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								{
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								  type: 'FineArrow'|'AttackArrow'|'SwallowtailAttackArrow'|'SquadCombat'|'SwallowtailSquadCombat'|'StraightArrow'|'CurvedArrow'|'AssaultDirection'|'DoubleArrow'|'FreehandLine'|'FreehandPolygon'|'Curve'|'Ellipse'|'Lune'|'Reactangle'|'Triangle'|'Polygon'|'Circle'|'Sector', // 图形类型
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								  cartesianPoints: Cesium.Cartesian3[], // 图形关键点位,可通过实例方法getPoints或者drawEnd事件获得
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								  style?: PolygonStyle | LineStyle // 样式
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								}
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								```
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								<h3 id='EventType'>Events</h3>
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								- **drawStart**
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								绘制开始
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								- **drawUpdate**
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								绘制过程中点位更新,回调事件返回更新的 Cartesian3 点位
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								- **drawEnd**
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								绘制结束,回调事件返回图形的关键点位
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								```
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								geometry.on('drawEnd', (data) => {
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								  console.log(data);
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								});
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								```
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								- **editStart**
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								编辑开始
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								- **editEnd**
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								编辑结束,回调事件返回图形的关键点位
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