mirror of https://gitee.com/antv-l7/antv-l7
210 lines
3.3 KiB
Markdown
210 lines
3.3 KiB
Markdown
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---
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title: API
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---
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地图绘制组件，支持点、线、面， 圆、矩形、的绘制编辑。
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# 使用
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**using modules**
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```javascript
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import { DrawControl } from '@antv/l7-draw';
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```
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**CDN 版本引用**
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```html
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<head>
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<! --引入最新版的L7-Draw -->
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<script src="https://unpkg.com/@antv/l7-draw"></script>
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</head>
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```
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### DrawCircle
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绘制圆形
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```javascript
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import { DrawCircle } from '@antv/l7-draw';
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const drawCircle = new DrawCircle(scene);
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drawCircle.enable();
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```
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### DrawRect
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绘制矩形
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```javascript
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import { DrawRect } from '@antv/l7-draw';
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const drawRect = new DrawRect(scene);
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drawRect.enable();
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```
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### DrawLine
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绘制路径
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```javascript
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import { DrawLine } from '@antv/l7-draw';
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const drawLine = new DrawLine(scene);
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drawLine.enable();
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```
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#### DrawPoint
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绘制点
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```javascript
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import { DrawPoint } from '@antv/l7-draw';
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const drawPoint = new DrawPoint(scene);
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drawPoint.enable();
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```
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#### DrawPolygon
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绘制多边形
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```javascript
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import { DrawPolygon } from '@antv/l7-draw';
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const drawPoint = new DrawPolygon(scene);
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drawPoint.enable();
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```
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### 配置项 DrawOption
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- data `geojson' 初始化数据仅支持 Polygon, Line, Point, 不支持MultPolygon,Circle 可用编辑现有数据
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- editEnable boolean 是否允许编辑
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- selectEnable boolean 是否允许选中
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- style 绘制样式
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### 方法
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#### enable
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开始编辑，绘制完成之后会自动结束。
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```javascript
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draw.enable();
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```
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#### disable
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结束绘制
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```javascript
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draw.disable();
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```
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结束编辑
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### 事件
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#### draw.create
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绘制完成时触发该事件
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#### draw.delete
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图形删除时触发该事件
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#### draw.update
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图形更新时触发该事件，图形的平移，顶点的编辑
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### style
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- active 绘制过程中高亮颜色
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- normal 正常显示状态
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```javascript
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const style = {
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active: {
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point: {
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type: 'PointLayer',
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shape: 'circle',
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color: '#fbb03b',
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size: 5,
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style: {
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stroke: '#fff',
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strokeWidth: 2,
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},
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},
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line: {
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type: 'LineLayer',
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shape: 'line',
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color: '#fbb03b',
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size: 1,
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style: {
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opacity: 1,
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lineType: 'dash',
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dashArray: [2, 2],
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},
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},
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polygon: {
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shape: 'fill',
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color: '#fbb03b',
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style: {
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opacity: 0.1,
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stroke: '#fbb03b',
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strokeWidth: 1,
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strokeOpacity: 1,
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lineType: 'dash',
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dashArray: [2, 2],
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},
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},
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},
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normal: {
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polygon: {
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type: 'PolygonLayer',
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shape: 'fill',
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color: '#3bb2d0',
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style: {
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opacity: 0.1,
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stroke: '#3bb2d0',
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strokeWidth: 1,
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strokeOpacity: 1,
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lineType: 'solid',
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dashArray: [2, 2],
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},
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},
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line: {
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type: 'LineLayer',
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shape: 'line',
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size: 1,
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color: '#3bb2d0',
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style: {
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opacity: 1,
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},
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},
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point: {
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type: 'PointLayer',
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shape: 'circle',
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color: '#3bb2d0',
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size: 3,
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style: {
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stroke: '#fff',
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strokeWidth: 2,
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},
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},
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},
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normal_point: {
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type: 'PointLayer',
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shape: 'circle',
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color: '#3bb2d0',
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size: 3,
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style: {
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stroke: '#fff',
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strokeWidth: 2,
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},
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},
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mid_point: {
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point: {
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type: 'PointLayer',
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shape: 'circle',
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color: '#fbb03b',
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size: 3,
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style: {},
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},
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},
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};
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```
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