echarts encode
时间: 2023-10-02 09:08:40 浏览: 60
ECharts encode is a powerful feature that allows users to map data to visual properties of a chart. It allows users to customize the way data is displayed on the chart by encoding data values to different visual elements such as color, size, and position.
The encode property is used to specify the mapping between data and visual elements of the chart. It is a nested object that contains a set of key-value pairs, where each key represents a visual property and the corresponding value is an array of data indices or data fields to map to that property.
For example, to map data to the color of a scatter plot, the encode property can be set to:
```
encode: {
x: [0],
y: [1],
color: [2]
}
```
This will map the first data field to the x-axis, the second data field to the y-axis, and the third data field to the color of the data point.
ECharts encode can also be used to achieve more complex encoding. For example, it can be used to encode multiple data fields to a single visual element, or to map different data fields to different visual elements of the chart.
Overall, ECharts encode is a powerful tool that allows users to customize the way data is displayed on a chart and create more informative and visually appealing charts.