How to write the sample code of radar map realized by vue+antv

This article introduces you how to write the sample code of vue+antv radar map, the content is very detailed, interested friends can refer to, hope to be helpful to you.

Download dependence

Npm install @ antv/data-set

Npm install @ antv/g2

2. Import DataSet from'@ antv/data-set'import {Chart} from'@ antv/g2'export default {/ / create radar map mounted () {this.constradar ()}, methods: {constradar () {const data = [{item: 'work efficiency', a: 70, b: 30}, {item: 'attendance', a: 60, b: 70} {item: 'enthusiasm', a: 50, b: 60}, {item: 'help colleagues', a: 40, b: 50}, {item: 'autonomous learning', a: 60, b: 70}, {item: 'accuracy', a: 70 B: 50}] const {DataView} = DataSet const dv = new DataView () .source (data) dv.transform ({type: 'fold', fields: [' asides,'b'], / / expand the field set key: 'user' / / key field value: 'score' / / value field}) const chart = new Chart ({container: this.$refs.container, autoFit: true, height: 500}) chart.data (dv.rows) chart.scale (' score', {min: 0, max: 80}) chart.coordinate ('polar' {radius: 0.8}) chart.tooltip ({shared: true, showCrosshairs: true, crosshairs: {line: {style: {lineDash: [4,4], stroke:'# 333'}) chart.axis ('item' {line: null, tickLine: null, grid: {line: {style: {lineDash: null}) chart.axis ('score', {line: null, tickLine: null Grid: {line: {type: 'line' Style: {lineDash: null}) chart.line (). Position ('item*score'). Color (' user'). Size (2) chart .point () .position ('item*score') .color (' user') .shape ('circle') .size (4) .style ({stroke:'# fff' LineWidth: 1, fillOpacity: 1}) chart.area (). Position ('item*score'). Color (' user') chart.render () / / modify data const newData = [{item: 'productivity', a: 20, b: 30}, {item: 'attendance', a: 30, b: 70}, {item: 'enthusiasm' A: 10, b: 60}, {item: 'help colleagues', a: 40, b: 50}, {item: 'autonomous learning', a: 60, b: 70}, {item: 'accuracy', a: 20 B: 50}] / / immediately update setTimeout (() = > {/ / start processing data const dv = new DataView () .source (newData) dv.transform ({type: 'fold', fields: [' asides,'b'], / / expand the field set key: 'user' / / key field value: 'score' / / value field}) / / end of processing / / data after processing is officially used to update chart.changeData (dv.rows)}, 3000)}} 3. Achieve effect

Before data modification

After data modification

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