<!DOCTYPE html>

<html>

<head lang="en">

    <meta charset="UTF-8">

    <title></title>

    <script src="../bower_components/underscore/underscore-min.js"></script>

    <script src="../ventor/d3.min.js"></script>

    <style type="text/css">

        body {

            padding-top: 50px;

            padding-left: 100px;

        }

        #chartArea {

            width: 400px;

            height: 300px;

            background-color: #CCC;

        }

        .bar {

            display: inline-block;

            width: 20px;

            height: 75px; /* Gets overriden by D3-assigned height below */

            margin-right: 2px;

            /* fill: teal; *//* SVG doesn't have background prop, use fill instead*/

            z-index: 99;

        }

        .bubble {

            display: inline-block;

            fill: purple;

            fill-opacity: 0.5;

            stroke: black;

            stroke-weight: 1px;

        }

        .active {

            fill: magenta;

            fill-opacity: 0.5;

            stroke-width: 3px;

        }

        .axis path, .axis line {

            fill: none;

            stroke: #000;

            stroke-width: 1px;

            shape-rendering: crispEdges;

        }

    </style>

</head>

<body>

<section id="chartArea"></section>

<script>

    var dataset = _.map(_.range(30), function(num) {

                return {

                    x: Math.round(Math.random() * 100),

                    y: Math.round(Math.random() * 100),

                    r: Math.round(5 + Math.random() * 10)

                };

            }), //reandom generate 15 data from 1 to 50

            margin = {top: 20, right: 20, bottom: 40, left: 40},

            w = 400 - margin.left - margin.right,

            h = 300 - margin.top - margin.bottom;

    var svg = d3.select('#chartArea').append('svg')

            .attr('width', w + margin.left + margin.right)

            .attr('height', h + margin.top + margin.bottom)

            .append('g') //The last step is to add a G element which is a graphics container in SBG.

            .attr('transform', 'translate(' + margin.left + ', ' + margin.top + ')'); //Then offset that graphic element by our left and top margins.

    var yScale = d3.scale.linear()

            .domain([0, d3.max(dataset, function(d) {

                return d.y; //tell the max function just need to care about y prop

            })])

            .range([h, 0]);

    var yAxis = d3.svg.axis()

            .scale(yScale)

            .orient('left')

            .ticks(10)

            .innerTickSize(10)

            .outerTickSize(10)

            .tickPadding(10);

    svg.append('g')

            .attr('class', 'y axis')

            .attr('transform', 'translate(0,0)')

            .call(yAxis);

    var xScale = d3.scale.linear()

            .domain([0, 100])

            .range([0, w]);

    var xAxis = d3.svg.axis()

            .scale(xScale)

            .orient('bottom')

            .ticks(10)

            .innerTickSize(6)

            .outerTickSize(12)

            .tickPadding(12);

    svg.append('g')

            .attr('class', 'x axis')

            .attr('transform', 'translate(0, ' + h  + ')')

            .call(xAxis);

    svg.selectAll('circle')

            .data(dataset)

            .enter()

            .append('circle')// svg doesn't have div, use rect instead

            .attr('class', "bubble")

            .attr('cx', function(each_data, index) {

                return xScale(each_data.x);

            })

            .attr('cy', function(each_data) {

                return yScale(each_data.y);

            })

            .attr('r', function(each_data, i) {

                return each_data.r;

            })

            .on('mouseover', function() {

                d3.select(this).classed('active', true)

            })

            .on('mouseleave', function() {

                d3.select(this).classed('active', false)

            })

            .on('mousedown', function(d) {

                d3.select(this).attr('r', d.r * 1.2)

            })

            .on('mouseup', function(d) {

                d3.select(this).attr('r', d.r)

            });

</script>

</body>

</html>

[D3] 11. Basic D3 chart interactivity on(), select(this), classed(class, trueorfalse)的更多相关文章

  1. [D3] Build an Area Chart with D3 v4

    Similar to line charts, area charts are great for displaying temporal data. Whether you’re displayin ...

  2. [D3] Build a Line Chart with D3 v4

    Line charts are often used to plot temporal data, like a stock price over time. In this lesson we’ll ...

  3. [D3] 12. Basic Transitions with D3

    <!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8&quo ...

  4. A better way to learn D3 js - iLearning D3.js

    iLearning D3.js Basic is an iPad app to learn and code with D3. In 1.1 version, new tutorial is prov ...

  5. [D3] 13. Cleaner D3 code with selection.call()

    selection.call() method in D3 can aid in code organization and flexibility by eliminating the need t ...

  6. D3笔记01——D3简介与安装

    1 D3简介 发布于2011年,全称Data-Driven Documents,直译为“数据驱动的文档”. 简单概括为一句话:D3是一个Javascript的函数库,是用来做数据可视化的.文档指DOM ...

  7. 使用 angular directive 和 json 数据 D3 随着标签 donut chart演示样本

    使用angular resource载入中priorityData.json中间json数据,结合D3绘制甜甜圈图.执行index.html其结果见于图.: priorityData.json中jso ...

  8. [D3] Build a Column Chart with D3 v4

    Column and bar charts are staples of every visualization library. They also make a great project for ...

  9. [D3] Creating a D3 Force Layout in React

    Learn how to leverage d3's layout module to create a Force Layout inside of React. We'll take a look ...

随机推荐

  1. 【python之路6】pycharm的使用

    1.pycharm简介 PyCharm 是我众多python编辑器中比较好的一个.而且可以跨平台,在macos和windows下面都可以用,这点比较好. PyCharm是一种Python IDE,带有 ...

  2. centos系统使用技巧

    ===============================网络配置===============================1 eth0 接口配置:/etc/sysconfig/network ...

  3. C连接MySQL数据库开发之Linux环境完整示例演示（增、删、改、查）

    一.开发环境 ReadHat6.3 32位.mysql5.6.15.gcc4.4.6 二.编译 gcc -I/usr/include/mysql -L/usr/lib -lmysqlclient ma ...

  4. Codeforces Round #198 (Div. 2) —— A

    最水的题,可惜当时赶时间没有注意数据范围:暴力超时了! 其实应该用x,y的最大公约数来判断: 代码: #include<iostream> using namespace std; int ...

  5. 【POJ 1830】 开关问题 （高斯消元）

    开关问题   Description 有N个相同的开关,每个开关都与某些开关有着联系,每当你打开或者关闭某个开关的时候,其他的与此开关相关联的开关也会相应地发生变化,即这些相联系的开关的状态如果原来为 ...

  6. 替换SQL Server字段中的换行符，回车符

    replace(string_expression , string_pattern , string_replacement) 第一个参数:要查找的字段. 第二个参数:要查找的字符. 第三个参数:要 ...

  7. （转）Python：self

    原文:http://www.douban.com/group/topic/19376685/ 这是对前面一个php程序员问python方法为什么要手写一个self的回答,当时那个帖非常的热闹,但是下面 ...

  8. CUDA编程－（2）其实写个矩阵相乘并不是那么难

    程序代码及图解析: #include <iostream> #include "book.h" __global__ void add( int a, int b, i ...

  9. 开始学习C# string and regex，学习正则表达式

    最近看的太少喽,再多看点吧,这周要看完这本书的 第一章 系统处理文本的方式 c#的CLR(Common Language Runtime 公共语言运行时),主要为程序提供虚拟运行环境,和内存管理和垃圾 ...

  10. 洛谷P1407 工资

    洛谷P1407 工资 本题地址:http://www.luogu.org/problem/show?pid=1407 题目描述 有一家世界级大企业,他们经过调查,发现了一个奇特的现象,竟然在自己的公司 ...