mirror of
https://gitee.com/antv/g6.git
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170 lines
4.8 KiB
HTML
170 lines
4.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta http-equiv="X-UA-Compatible" content="ie=edge" />
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<title>标注图节点</title>
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<style>
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#mountNode {
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background: #001528;
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}
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</style>
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</head>
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<body>
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<div id="mountNode"></div>
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<script src="../build/g6.js"></script>
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<script>
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/**
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* 该案例演示如何自定义一个标注点节点
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* by 镜曦
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*
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*/
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// 自定义标注点节点
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G6.registerNode('justPoints', {
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draw(cfg, group) {
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const size = cfg.size || [40, 40]; // 如果没有 size 时的默认大小
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const width = size[0];
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const height = size[1];
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const baseR = 30;
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let nowAngle = 0;
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// Ref line
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let refR = baseR;
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const refInc = 10;
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for (let i = 0; i < 5; i++) {
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group.addShape('circle', {
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// attrs: style
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attrs: {
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x: 0, // 居中
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y: 0,
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r: (refR += refInc),
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stroke: 'rgba(255,255,255,0.4)',
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lineDash: [4, 4],
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},
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});
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}
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const everyIncAngle = (2 * Math.PI * (360 / 5 / 5)) / 360;
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nowAngle = nowAngle + everyIncAngle / 2;
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cfg.details.forEach(cat => {
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// 计算一系列点的位置
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const postions = [];
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cat.values.forEach((item, index) => {
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const r = baseR + item;
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const xPos = r * Math.cos(nowAngle);
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const yPos = r * Math.sin(nowAngle);
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nowAngle += everyIncAngle;
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postions.push([xPos, yPos]);
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if (index === 4) {
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const r = baseR + item;
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const xPos = r * Math.cos(nowAngle);
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const yPos = r * Math.sin(nowAngle);
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postions.push([xPos, yPos]);
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}
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});
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// 添加标注点
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postions.forEach((pos, index) => {
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if (index !== 5) {
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group.addShape('circle', {
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// attrs: style
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attrs: {
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x: pos[0], // 居中
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y: pos[1],
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r: 2,
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fill: 'black',
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stroke: cat.color,
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},
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});
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}
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});
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});
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let nowAngle2 = 0;
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const everyIncAngleCat = (2 * Math.PI * (360 / 5)) / 360;
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for (let i = 0; i < 5; i++) {
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const r = 30 + 50;
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const xPos = r * Math.cos(nowAngle2);
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const yPos = r * Math.sin(nowAngle2);
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const shape = group.addShape('path', {
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attrs: {
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path: [
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['M', 0, 0],
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['L', xPos, yPos],
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],
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lineDash: [4, 4],
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stroke: 'darkgray', // 颜色应用到边上，如果应用到填充，则使用 fill: cfg.color
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},
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});
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nowAngle2 += everyIncAngleCat;
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}
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// 添加一个和背景色相同的圆形
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group.addShape('circle', {
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// attrs: style
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attrs: {
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x: 0, // 居中
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y: 0,
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r: baseR,
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fill: cfg.centerColor,
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stroke: 'darkgray',
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},
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});
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if (cfg.label) {
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group.addShape('text', {
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// attrs: style
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attrs: {
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x: 0, // 居中
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y: 0,
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textAlign: 'center',
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textBaseline: 'middle',
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text: cfg.label,
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fill: 'white',
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fontStyle: 'bold',
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},
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});
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}
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return group;
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},
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});
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const graph = new G6.Graph({
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container: 'mountNode',
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width: 500,
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height: 500,
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});
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const data = {
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nodes: [
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{
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id: 'nodeC',
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x: 250,
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y: 150,
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label: 'Point',
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shape: 'justPoints',
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anchorPoints: [
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[0, 0.5],
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[1, 0.5],
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],
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details: [
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{ cat: 'pv', values: [20, 30, 40, 30, 30], color: '#25cbfd' },
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{ cat: 'dal', values: [40, 30, 20, 30, 50], color: '#feff7b' },
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{ cat: 'uv', values: [40, 30, 30, 40, 40], color: '#feab3a' },
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{ cat: 'sal', values: [20, 30, 50, 20, 20], color: '#fe5766' },
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{ cat: 'cal', values: [10, 10, 20, 20, 20], color: '#16c176' },
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],
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centerColor: '#0066FF',
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},
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],
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};
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graph.data(data);
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graph.render();
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</script>
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</body>
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</html>
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