D3 二维图表的绘制系列（二十三）旭日图

上一篇：桑基图 https://blog.youkuaiyun.com/zjw_python/article/details/98611559

下一篇：力导向图 https://blog.youkuaiyun.com/zjw_python/article/details/98617650

代码结构和初始化画布的Chart对象介绍，请先看 https://blog.youkuaiyun.com/zjw_python/article/details/98182540

本图完整的源码地址： https://github.com/zjw666/D3_demo/tree/master/src/sunburst/basicSunburst

1 图表效果

在这里插入图片描述

2 数据

{
   
   
    "name": "alphabet",
    "children": [
        {
   
   
            "name": "a",
            "children": [
                {
   
   
                    "name": "a1",
                    "children": [
                        {
   
   "name": "a11", "house": 2},
                        {
   
   
                            "name": "a12",
                            "children":[
                                {
   
   
                                    "name" : "a121",
                                    "house" : 2
                                },
                                {
   
   
                                    "name" : "a122",
                                    "house" : 1
                                }
                            ]
                        },
                        {
   
   "name": "a13", "house": 4}
                    ]
                }
            ]
        },
        {
   
   
            "name": "b",
            "children": [
                {
   
   
                    "name": "b1",
                    "children": [
                        {
   
   
                            "name": "b12",
                            "children":[
                                {
   
   
                                    "name" : "b121",
                                    "house" : 1
                                },
                                {
   
   
                                    "name" : "b122",
                                    "house" : 1
                                }
                            ]
                        },
                        {
   
   "name": "b12", "house": 2}
                    ]
                },
                {
   
   
                    "name": "b2",
                    "children": [
                        {
   
   
                            "name": "b21",
                            "children":[
                                {
   
   
                                    "name" : "b211",
                                    "house" : 3
                                }
                            ]
                        },
                        {
   
   
                            "name" : "b22",
                            "house" : 2
                        }
                    ]
                }
            ]
        },
        {
   
   
            "name": "c",
            "children": [
                {
   
   
                    "name": "c1",
                    "children": [
                        {
   
   
                            "name": "c22",
                            "children":[
                                {
   
   
                                    "name" : "c221",
                                    "children": [
                                        {
   
   "name" : "c2211", "house" : 3}
                                    ]
                                },
                                {
   
   "name" : "c222", "house" : 1}
                            ]
                        },
                        {
   
   
                            "name": "c22"