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---
title: 路径图
order: 1
用一组首尾不闭合的点坐标对来定位的线图层，通常用来表示轨迹，线路，道路等
## 使用
### shape
shape 设置成line即可绘制路线图
- line
### size
路径图线的size支持两个维度
- width 宽度
- height 高度
```javascript
layer.size([2,10]) // 绘制宽度为2，高度为10的路径
layer.size('',[])
```
### animate