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173 lines
4.5 KiB
HTML
173 lines
4.5 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], [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> |