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facetRect

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repeatMatrix

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用 row、column 字段维值对空间和数据进行划分,在各个子空间可视化数据片段。

开始使用

facetRect
import { Chart } from '@antv/g2';
const chart = new Chart({
container: 'container',
width: 928,
height: 270,
paddingBottom: 50,
});
const facetRect = chart
.facetRect()
.attr('paddingBottom', 50)
.data({
type: 'fetch',
value: 'https://assets.antv.antgroup.com/g2/anscombe.json',
})
.encode('x', 'series');
facetRect
.point()
.encode('x', 'x')
.encode('y', 'y')
.style('stroke', '#000')
.attr('inset', 10);
chart.render();

更多的案例,可以查看图表示例页面。

选项

facetRect 的底层实现和 mark 一致,所以在配置上有很多是一样的。

属性描述类型默认值
data参考 data 相关介绍Data
encode通道设置,见下表
paddingpadding 大小number0
paddingLeftnumber0
paddingRightnumber0
paddingTopnumber0
paddingBottomnumber0
marginmarginnumber0
marginLeftnumber0
marginRightnumber0
marginTopnumber0
marginBottomnumber0
title参考 title 相关介绍
scale参考 scale 相关介绍

facetRect 对应的配置都可以使用 API 进行设置,例如:

chart.facetRect().data([1, 2, 3]).encode('x', 'type');

encode

对于 facetRect 有自己独特的 encode 通道。

通道描述类型默认值
x指定 x 方向上分面的字段,可以是常年、字段名、回调函数string | (d, idx, arr) => any
y指定 x 方向上分面的字段,可以是常年、字段名、回调函数string | (d, idx, arr) => any

FAQ

  • facetRect 是不是和 repeatMatrix 功能上重复?

facetRect 是通过 x, y encode 字段去划分空间,比如指定 encode('x', 'sex'),那么就会根据性别的枚举值,在 x 方向均分为 2 个分面。而 repeatMatrix 是根据字段的个数来分面空间的。