test/sunburst-label-centering.html - master - githubmirror/echarts

test/sunburst-label-centering.html
185 строк6 KB
akash.sonune
feat(sunburst): align root node label to center
09 окт 2025, 19:54
09 окт 2025, 19:542362925
<!DOCTYPE html>
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<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <script src="lib/simpleRequire.js"></script>
    <script src="lib/config.js"></script>
    <script src="lib/jquery.min.js"></script>
    <script src="lib/facePrint.js"></script>
    <script src="lib/testHelper.js"></script>
    <script src="lib/dat.gui.min.js"></script>
    <link rel="stylesheet" href="lib/reset.css" />
</head>
<body>
    
    <div id="test1"></div>
    <div id="test2"></div>
    <div id="test3"></div>
    <script>
        require(['echarts'], function (echarts) {
            
        // Test Case 1: Partial Arcs with r0 = 0
           var partialArcData = [
                {
                    name: 'Grandpa',
                    children: [
                        {
                            name: 'Uncle Leo',
                            value: 15,
                            children: [
                                {
                                    name: 'Cousin Jack',
                                    value: 2
                                },
                                {
                                    name: 'Cousin Mary',
                                    value: 5,
                                    children: [
                                        {
                                            name: 'Jackson',
                                            value: 2
                                        }
                                    ]
                                },
                                {
                                    name: 'Cousin Ben',
                                    value: 4
                                }
                            ]
                        },
                        {
                            name: 'Father',
                            value: 10,
                            children: [
                                {
                                    name: 'Me',
                                    value: 5
                                },
                                {
                                    name: 'Brother Peter',
                                    value: 1
                                }
                            ]
                        }
                    ]
                }
            ];
           

            var chart1 = testHelper.create(echarts, 'test1', {
                title: ['Test 1: Family Tree with Inner Radius = 0'],
                option: {
                    series: {
                        type: 'sunburst',
                        data: partialArcData,
                        radius: [0, '80%'], // r0 = 0
                        startAngle: 0,
                        label: {
                            show: true,
                            fontSize: 12,
                            fontWeight: 'bold'
                        },
                        levels: [{}, {
                            label: {
                                rotate: 'tangential'
                            }
                        }]
                    }
                },
                height: 350
            });

            // Test Case 2: Same data with inner radius > 0
            var chart2 = testHelper.create(echarts, 'test2', {
                title: ['Test 2: Family Tree with Inner Radius > 0)'],
                option: {
                    series: {
                        type: 'sunburst',
                        data: partialArcData,
                        radius: ['20%', '80%'], // r0 > 0
                        startAngle: 0,
                        label: {
                            show: true,
                            fontSize: 12,
                            fontWeight: 'bold'
                        },
                        levels: [{}, {
                            label: {
                                rotate: 'tangential'
                            }
                        }]
                    }
                },
                height: 350
            });

            // Test Case 3: Multiple Root Nodes (Root A & Root B) - Overlap Prevention
            var multipleRootsData = [
                {
                    name: 'Root A',
                    children: [
                        {
                            name: 'Child A1',
                            value: 1
                        },
                        {
                            name: 'Child A2',
                            value: 10
                        }
                    ]
                },
                {
                    name: 'Root B',
                    children: [
                        {
                            name: 'Child B1',
                            value: 5
                        },
                        {
                            name: 'Child B2',
                            value: 8
                        }
                    ]
                }
            ];

            var chart3 = testHelper.create(echarts, 'test3', {
                title: ['Test 3: Multiple Roots (A & B) - Labels NOT Centered'],
                option: {
                    series: {
                        type: 'sunburst',
                        data: multipleRootsData,
                        radius: [0, '80%'], // r0 = 0
                        label: {
                            show: true,
                            fontSize: 12,
                            fontWeight: 'bold'
                        }
                    }
                },
                height: 350
            });
        });
    </script>
</body>
</html>