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       
(Showing Draft Content)

ECharts词云

功能概述

词云是一种可视化描绘单词或词语出现在文本数据中频率的方式,它主要是由随机分布在词云图的单词或词语构成。

出现频率较高的单词或词语则会以较大的形式呈现出来,而频率越低的单词或词语则会以较小的形式呈现,下面是ECharts 词云的示例效果:

image

添加ECharts词云图

单击组件按钮展开列表,将ECharts词云图插件拖拽至编辑区,即可添加一个 ECharts 词云图

image

基本属性设置

在编辑区右侧选择属性设置或者双击该图表,打开属性设置面板可进行图表外观属性的设置。

词云图形状

支持圆形,菱形,三角形,三角形-水平,五边形,星形,以及自定义。

下图是一个三角形:

image

下图是自定义

image

保持形状比例: 是否需要保持底图的形状比例。保持比例是指保持宽高比显示,否则会进行适当拉伸缩放,以显示完整为优先。

自动字体大小: 自动分配字体大小。关闭选项后,需要手动设置字体大小的范围。

image

数据绑定

添加图表后,数据绑定面板会自动打开,在数据绑定面板中选择数据集或数据模型

将需要的字段拖拽至数据绑定区域,完成数据绑定。

image

数据绑定区域

说明

数值

绑定数值类字段,可绑定一个或多个字段。

分类

绑定组件的分析纬度,可绑定一个字段。

颜色

最多可绑定给一个字段,绑定后数据根据该字段划分颜色。

提示标签

提示标签是指当鼠标移至图形时,会出现相应的提示信息。使用方法详见鼠标提示标签

数据处理

将数据绑定到组件后,可以对字段和数据进行进一步配置处理,使其更符合使用场景的需要。

比如修改数据显示格式、字段重命名、级联显示效果。

或者进行数据的聚合运算(合计、平均数、最大值、最小值、计数)、快速运算(排名运算、占比运算、累计运算、移动运算、以及基于日期的同环比运算等)。

具体操作请详见数据处理

image2022-1-14_15-55-31.png

image

数据探索与分析

ECharts 插件同样支持丰富的数据探索分析能力,可为您的数据可视化分析过程提供强有力的支撑。

比如为组件添加过滤器、排名筛选、切换类型等。

有关具体操作的介绍,请参考数据探索与分析中对应的介绍。

image